Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    90s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2024, 19:41

General

  • Target

    2024-01-23_721b2f14bd4175a4f2bb49a8925dbd9f_cryptolocker.exe

  • Size

    62KB

  • MD5

    721b2f14bd4175a4f2bb49a8925dbd9f

  • SHA1

    0e99eccde140359cc313421e4aed3ba2e24468b8

  • SHA256

    b0c84102ad40416c74569091050ec2a87b9fdedb7c5131d97ba5878656e5d5f2

  • SHA512

    fd27b80e865f55625fe6e63b425681f5a2c9732cbb25c9365a8fe2f6f197ca1de963d18c49d6fa58a8641f445732f88e9a92a6e0f83bd488638a54ba4788fc54

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMJ:TCjsIOtEvwDpj5HE/OUHnSMK

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-23_721b2f14bd4175a4f2bb49a8925dbd9f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-23_721b2f14bd4175a4f2bb49a8925dbd9f_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1320
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    62KB

    MD5

    923e95a97b2552cf1de32cc7603b9fe6

    SHA1

    235a2c9f94d632bd5c2f1de29b09a849363eeac5

    SHA256

    d5262bf0f10177036e20678c53122159d4f077a451059bec422340b0ac2e495e

    SHA512

    1c6538236b21e321f5ad639ab7e1390275cd7619c2c8b06301ba8f19fbd5a96cb4fe55da65c659429fb3cdd2e8976171f7cbe67cfa7b4da3065383b92de60124

  • C:\Users\Admin\AppData\Local\Temp\misids.exe

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1320-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/1320-2-0x0000000002220000-0x0000000002226000-memory.dmp

    Filesize

    24KB

  • memory/1320-7-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/1320-1-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/1320-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/1956-19-0x0000000000860000-0x0000000000866000-memory.dmp

    Filesize

    24KB

  • memory/1956-25-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/1956-48-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB