Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    03/02/2024, 11:37

General

  • Target

    8c3b24bffde9ba404da05255feb616b4.exe

  • Size

    506KB

  • MD5

    8c3b24bffde9ba404da05255feb616b4

  • SHA1

    9aa3190a6ab829fd2aea4bfc085ec90910a4868a

  • SHA256

    0eb626ec7c70038341e28d054ca51223c493fe3bb63a2b1cb9b2f07005fed0c9

  • SHA512

    72b8f149ee2fa3ea50f7b9aa971f1baaf15cbe836bd43c2a653fcc08220cc01f1fbbc3926a2641b75abe6b53ff7f8cb1f865f2f458917cb071d0ea942ecc8ee1

  • SSDEEP

    12288:JoFyTKvRhiUp8JY8xypgl4ocWH+RzELOAPI3W6YDk/t:JKym7OY8Ig0WH+HAw/t

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c3b24bffde9ba404da05255feb616b4.exe
    "C:\Users\Admin\AppData\Local\Temp\8c3b24bffde9ba404da05255feb616b4.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Users\Admin\AppData\Local\Temp\8c3b24bffde9ba404da05255feb616b4.exe
      C:\Users\Admin\AppData\Local\Temp\8c3b24bffde9ba404da05255feb616b4.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2268
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\8c3b24bffde9ba404da05255feb616b4.exe" /TN Google_Trk_Updater /F
        3⤵
        • Creates scheduled task(s)
        PID:2524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\8c3b24bffde9ba404da05255feb616b4.exe

    Filesize

    363KB

    MD5

    87e50f739bbd310126bfe69185ac022e

    SHA1

    4b02bb8a3bff64e9f2008372a87bb12c26deabed

    SHA256

    cb7266c92133e5586a96f095be44f439016397f88facdb1084bceef4d112e5af

    SHA512

    8c43a8ecdbd17595197809467eff75b6e5ddd62980851c528cdce9be236fadf6b2b2a927592152966d5d80db635719898a9ddb0cf8899d8aec3dcaa9b10f9138

  • C:\Users\Admin\AppData\Local\Temp\8c3b24bffde9ba404da05255feb616b4.exe

    Filesize

    480KB

    MD5

    b1f3c0c86ea50466272dff5e757630f7

    SHA1

    605cb4cb19f5a32bcfae67ba85885adff377d1e4

    SHA256

    5c28b02c649dd07814b87e30d1e997adfbcd2df44ac8dd0f0f790326ed75bf28

    SHA512

    889201861faa9b582d0cd6d76715b4982063f2b140de44288fec280ccf90721acc07f697914ef831f3ece3e6872ee53fbdad9f79923af4b8faa1ea58b5e8d12f

  • C:\Users\Admin\AppData\Local\Temp\Tar1DF1.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\8c3b24bffde9ba404da05255feb616b4.exe

    Filesize

    506KB

    MD5

    d32bdb1b8782ac7c45bf3d6afa284497

    SHA1

    1f78977c4fccac678593fd6b5d7cd715c9ac9cc5

    SHA256

    eea1df967ab73b9dfa0585ebacfd3a22ba795797757e81d90fd9723385b8a5c8

    SHA512

    d3e9e9889573b93d7490b591db28408f2dd6a74122b9bd164d44e67be2eb2af92873959cff9b0dbf25ad5e98b0976b040392624114ed4c0460f3ffb427caea3c

  • memory/1244-14-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/1244-0-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

  • memory/1244-16-0x0000000002DC0000-0x0000000002E43000-memory.dmp

    Filesize

    524KB

  • memory/1244-2-0x0000000000240000-0x00000000002C3000-memory.dmp

    Filesize

    524KB

  • memory/1244-1-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/2268-19-0x0000000000250000-0x00000000002D3000-memory.dmp

    Filesize

    524KB

  • memory/2268-28-0x0000000002DD0000-0x0000000002E4E000-memory.dmp

    Filesize

    504KB

  • memory/2268-23-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2268-66-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB