RTF / .DOC malware analysis — malicious · 30fe24940708e058

MALICIOUS

RTF / .DOC

484.6 KB Created: 2019-05-29 22:49:00

MD5: 4b36d94807c5e5c7013a54a405d8ba64 SHA-1: 7ee56908ec1859b7d65bdfeece94b981d6d75381 SHA-256: 30fe24940708e05805161b6c2da8c069d0e6f9c30f09012309e32d9926279de1

80 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The sample is an RTF document containing multiple OLE objects, triggered by \objupdate directives. This indicates an attempt to exploit vulnerabilities related to OLE object activation within RTF parsers. While no specific payload or script was directly extracted, the presence of these embedded objects strongly suggests the document is designed to download and execute a secondary malicious payload.

Heuristics 3

\objupdate forces OLE activation high RTF_OBJUPDATE

RTF contains \objupdate — forces automatic OLE object instantiation when the document is opened, bypassing user interaction. Almost exclusively seen in Equation Editor exploit documents.
OLE object data medium RTF_OBJDATA

RTF contains 8 \objdata section(s) — embedded OLE objects
Embedded OLE object medium RTF_OBJEMB

RTF contains \objemb — embedded OLE object

Extracted artifacts 8

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off00002cdc.bin` `4dfd6fd1710adb7847e05a8504960445ab6ca66b978559cec639610d378a45f6`	rtf-objdata-decoded	RTF \objdata at offset 0x2CDC	16955 bytes
`objdata_01_off00010ac3.bin` `a9046468b425bd2975bffcf231da7facda8b8c4e11974e2b73f7249d14049fb5`	rtf-objdata-decoded	RTF \objdata at offset 0x10AC3	16955 bytes
`objdata_02_off0001e8aa.bin` `f798c14dc7ff395b2ace6f5e9f270bb807c8249056d56a2f3384ef155c5a326b`	rtf-objdata-decoded	RTF \objdata at offset 0x1E8AA	16955 bytes
`objdata_03_off0002c691.bin` `9f16628e1acedd16d5fe34c78e68561568922dd6861afed39d5ce23c3a88c1bf`	rtf-objdata-decoded	RTF \objdata at offset 0x2C691	16955 bytes
`objdata_04_off0003a478.bin` `6f7a8e2c1488f682cc3865e4d738d95a231ed169ad005e2627708e024458bd5e`	rtf-objdata-decoded	RTF \objdata at offset 0x3A478	16955 bytes
`objdata_05_off0004825f.bin` `26cf19589f9b62d8aa0830505a2861169bf87eae07c66a9e65d72705ea0f7abf`	rtf-objdata-decoded	RTF \objdata at offset 0x4825F	16955 bytes
`objdata_06_off00056046.bin` `29fd80e5e9cc3548aceb724677fb92f92a52ae334571880c1210d33e958b7543`	rtf-objdata-decoded	RTF \objdata at offset 0x56046	16955 bytes
`objdata_07_off00063e2d.bin` `ea0a524b73155827e3d5949b50c2bb84fa9649285b66d4624133b8cc5ef4bf9c`	rtf-objdata-decoded	RTF \objdata at offset 0x63E2D	16955 bytes

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