Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2024 10:52

General

  • Target

    RAT/CobaltStrike.docm

  • Size

    86KB

  • MD5

    96ff9d4cac8d3a8e73c33fc6bf72f198

  • SHA1

    17d7edf6e496dec4695d686e7d0e422081cd5cbe

  • SHA256

    96db5d52f4addf46b0a41d45351a52041d9e5368aead642402db577bcb33cc3d

  • SHA512

    23659fb32dff24b17caffaf94133dac253ccde16ea1ad4d378563b16e99cb10b3d7e9dacf1b95911cd54a2cad4710e48c109ab73796b954cd20844833d3a7c46

  • SSDEEP

    1536:lDZnLvdWcSVUj473eXfb6K3ABfSlH+ArfocK4XEorNColhVDo8NYzyReCxRVZs+x:vDAzVY4zSfb6mABfSleqocKg7Bo8NiCR

Malware Config

Extracted

Family

metasploit

Version

windows/download_exec

C2

http://149.129.72.37:23456/SNpK

Attributes
  • headers User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; NP09; NP09; MAAU)

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Metasploit family
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\RAT\CobaltStrike.docm" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4028
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      PID:3056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\TCD44.tmp\iso690.xsl

    Filesize

    263KB

    MD5

    ff0e07eff1333cdf9fc2523d323dd654

    SHA1

    77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4

    SHA256

    3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5

    SHA512

    b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d

  • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

    Filesize

    2KB

    MD5

    bb28e940523aa3303db93acbe2d118c4

    SHA1

    f076b1dc0ba10b6a792c2da5044813d4393dab27

    SHA256

    1ba5facd4cf6d16f9ffa0c0d9df263d368b6b2329ac332fa3bdabb260cbec1b7

    SHA512

    86f6664f70ce447c4ff91f9666616cf97571997924b873b23e7dc46266661f7c7203587f2187ad5bad555c15bb16365c54b0747cd6588bd494f22c10e932ba70

  • memory/3056-34-0x0000000000E30000-0x0000000000E31000-memory.dmp

    Filesize

    4KB

  • memory/3056-76-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/3056-38-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-31-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-35-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-10-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-11-0x00007FF7DA9E0000-0x00007FF7DA9F0000-memory.dmp

    Filesize

    64KB

  • memory/4028-9-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-8-0x00007FF7DCAD0000-0x00007FF7DCAE0000-memory.dmp

    Filesize

    64KB

  • memory/4028-13-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-12-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-15-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-14-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-16-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-17-0x00007FF7DA9E0000-0x00007FF7DA9F0000-memory.dmp

    Filesize

    64KB

  • memory/4028-3-0x00007FF7DCAD0000-0x00007FF7DCAE0000-memory.dmp

    Filesize

    64KB

  • memory/4028-7-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-36-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-6-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-33-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-32-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-5-0x00007FF7DCAD0000-0x00007FF7DCAE0000-memory.dmp

    Filesize

    64KB

  • memory/4028-4-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-59-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-65-0x00007FF81CAED000-0x00007FF81CAEE000-memory.dmp

    Filesize

    4KB

  • memory/4028-66-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-67-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-68-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-69-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-0-0x00007FF7DCAD0000-0x00007FF7DCAE0000-memory.dmp

    Filesize

    64KB

  • memory/4028-75-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

    Filesize

    2.0MB

  • memory/4028-1-0x00007FF81CAED000-0x00007FF81CAEE000-memory.dmp

    Filesize

    4KB

  • memory/4028-2-0x00007FF7DCAD0000-0x00007FF7DCAE0000-memory.dmp

    Filesize

    64KB