Windows 7 deprecation

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

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 08:32

General

  • Target

    2024-06-03_a0891af499a44f5ad0e216c6913144ce_cryptolocker.exe

  • Size

    82KB

  • MD5

    a0891af499a44f5ad0e216c6913144ce

  • SHA1

    878f5a447314f77bcfa75a1520b808c70d39bc5b

  • SHA256

    898abc1e77e9e0ca0f6c91c0c87cc2b11cf8886ade6589329f8a07a747ae6f21

  • SHA512

    c21d6136ab41a87a47ba3ea7c4c670a0d9f0f8d6e0df61f0ff1ee95bed4ec8b7f4327620f7a7ab539983b78c7e9bf1e30ef184806e12c3233403b7bcb5b47a89

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNqVN:vCjsIOtEvwDpj5H9YvQd2q

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 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\2024-06-03_a0891af499a44f5ad0e216c6913144ce_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-03_a0891af499a44f5ad0e216c6913144ce_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1988
    • 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:3692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    82KB

    MD5

    5812fec199c165dc0537258f68b5481c

    SHA1

    3909564170d87a6830c3a95c97b9abf73fd9698b

    SHA256

    7b2e15c6b5521395ac8cb56cbf14bc9cf3ead21936852177d4a4ab468bccacc6

    SHA512

    e53d30db980b7cc323b08843763f8ab0e27357c0e0b9e51f7cbfbbdc324f1d2dd174e512aa5a3a57eaf135b73db25047efcbece73dfa2ef4c6cb1c38eba0aae9

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1988-0-0x00000000007B0000-0x00000000007B6000-memory.dmp

    Filesize

    24KB

  • memory/1988-1-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB

  • memory/1988-8-0x00000000007B0000-0x00000000007B6000-memory.dmp

    Filesize

    24KB

  • memory/3692-17-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/3692-23-0x00000000021D0000-0x00000000021D6000-memory.dmp

    Filesize

    24KB