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Analysis

  • max time kernel
    94s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 06:51

General

  • Target

    8d371ed712462b4be1100fd35723f162_JaffaCakes118.exe

  • Size

    683KB

  • MD5

    8d371ed712462b4be1100fd35723f162

  • SHA1

    bd5d3b3ba4d425985078f5152fd3e0e7ea1b162e

  • SHA256

    23ba3797ca73c3946d6fd768958941b90edee7ff85a1a0bccb88a2881ec5fd4e

  • SHA512

    502925a3762178645df05c3bd6c23a49ada40199f74162f5b0860ed2e7fb6aa56877f1d15ea1ccfe4378edb048a1b0e9744a41a652349be586fbd68e902d74f0

  • SSDEEP

    12288:apI1ozCEXgFQZ5O4GsLUfia4eiTxMovq6WuPCOlf5+V6i:yI1oz7gFGL/Uqbe6x5Ku6Op5+V6i

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d371ed712462b4be1100fd35723f162_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8d371ed712462b4be1100fd35723f162_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2376
    • C:\Users\Admin\AppData\Local\Temp\n1637\s1637.exe
      "C:\Users\Admin\AppData\Local\Temp\n1637\s1637.exe" ef2aaf306eded3f2031d3065Z83cGM3JxPM+nQxTSUIw+0mL5HKeJPR5f3k10wQX4gI5iIN7DDnQwYXQ13NLMR/uHqMJzDgk6bZ1q7ZVay95Jvn044m8233VGG/NIh+HnHMsFsU+N+/KXZNXTbWazB/9e8ArZLLhnNLlzlABW+uottpT0iOxXQAeI4KQSN0= /v "C:\Users\Admin\AppData\Local\Temp\8d371ed712462b4be1100fd35723f162_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1637\s1637.exe

    Filesize

    350KB

    MD5

    d438749bcfe5bcdf1d59cbbb82341315

    SHA1

    2f4176c631e0190f35eb2963a4f8ad692fdcd6b7

    SHA256

    0aa566ada2feeb1714acd636da309edc6c3a9b0b8873d97942b55e053e55dd42

    SHA512

    f6ea2cf132c6564d685a6386705f2ff9b3912697f70d3e97e1754084c6c589141f3f72d6d82eeb6cc677a331325ab486389b1e3a202b7b21149499e8c020c67e

  • memory/1968-12-0x00007FFCC0985000-0x00007FFCC0986000-memory.dmp

    Filesize

    4KB

  • memory/1968-13-0x00007FFCC06D0000-0x00007FFCC1071000-memory.dmp

    Filesize

    9.6MB

  • memory/1968-29-0x000000001BF50000-0x000000001BF60000-memory.dmp

    Filesize

    64KB

  • memory/1968-32-0x000000001C980000-0x000000001CE4E000-memory.dmp

    Filesize

    4.8MB

  • memory/1968-33-0x000000001CEF0000-0x000000001CF8C000-memory.dmp

    Filesize

    624KB

  • memory/1968-34-0x00007FFCC06D0000-0x00007FFCC1071000-memory.dmp

    Filesize

    9.6MB

  • memory/1968-35-0x000000001D0E0000-0x000000001D142000-memory.dmp

    Filesize

    392KB

  • memory/1968-36-0x00007FFCC06D0000-0x00007FFCC1071000-memory.dmp

    Filesize

    9.6MB

  • memory/1968-37-0x00007FFCC06D0000-0x00007FFCC1071000-memory.dmp

    Filesize

    9.6MB

  • memory/1968-38-0x000000001C3F0000-0x000000001C3F8000-memory.dmp

    Filesize

    32KB

  • memory/1968-39-0x00007FFCC06D0000-0x00007FFCC1071000-memory.dmp

    Filesize

    9.6MB

  • memory/1968-40-0x00007FFCC06D0000-0x00007FFCC1071000-memory.dmp

    Filesize

    9.6MB

  • memory/1968-42-0x00007FFCC0985000-0x00007FFCC0986000-memory.dmp

    Filesize

    4KB

  • memory/1968-41-0x00007FFCC06D0000-0x00007FFCC1071000-memory.dmp

    Filesize

    9.6MB

  • memory/1968-43-0x00007FFCC06D0000-0x00007FFCC1071000-memory.dmp

    Filesize

    9.6MB

  • memory/1968-44-0x00007FFCC06D0000-0x00007FFCC1071000-memory.dmp

    Filesize

    9.6MB

  • memory/1968-45-0x00007FFCC06D0000-0x00007FFCC1071000-memory.dmp

    Filesize

    9.6MB

  • memory/1968-46-0x0000000020960000-0x0000000020A9C000-memory.dmp

    Filesize

    1.2MB

  • memory/1968-47-0x0000000020FB0000-0x00000000214BE000-memory.dmp

    Filesize

    5.1MB

  • memory/1968-48-0x00007FFCC06D0000-0x00007FFCC1071000-memory.dmp

    Filesize

    9.6MB

  • memory/1968-49-0x00007FFCC06D0000-0x00007FFCC1071000-memory.dmp

    Filesize

    9.6MB

  • memory/1968-50-0x00007FFCC06D0000-0x00007FFCC1071000-memory.dmp

    Filesize

    9.6MB

  • memory/1968-52-0x00007FFCC06D0000-0x00007FFCC1071000-memory.dmp

    Filesize

    9.6MB