Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2024 01:28

General

  • Target

    6512ee54cb87daf804d1d337785c947e_JaffaCakes118.exe

  • Size

    1.5MB

  • MD5

    6512ee54cb87daf804d1d337785c947e

  • SHA1

    6e29351ed23c4b14d731a36c789e08cea5f8eb5e

  • SHA256

    fe2a40f78f2acb54fb1675bbe256de830d9c78ff813818d7335b98ce8b2bb3e6

  • SHA512

    a7725fee1f1a90fe6b0571cf293b028f4128ac5baf62f64cc3b6ba20d7c412437918096c86b005411bb922b42f020c393980965f0ec7c16b000a8e0773da96b7

  • SSDEEP

    24576:+DWHSb4Nc0yPFtkTb67tzzM9DvVIJV1rliDpL9Dh7qd2P69EuKA+R:t846kKzzKVIJ5+pLTpP699Kn

Malware Config

Signatures

  • Detects Echelon Stealer payload 2 IoCs
  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6512ee54cb87daf804d1d337785c947e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6512ee54cb87daf804d1d337785c947e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe
      "C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3504
      • C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe
        "C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3284
        • C:\Users\Admin\AppData\Local\Temp\Crypt.exe
          "C:\Users\Admin\AppData\Local\Temp\Crypt.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1.0MB

    MD5

    0088abee944713ab183c41f3a2b07ea8

    SHA1

    ea027d6de4b2feebfb35b4ebde88cdaab6d6e744

    SHA256

    8ce4be0ab67c82e4f9023bbea4228430e56ef9ac133d377d75ecf2be75045111

    SHA512

    98c88b5f4d4b30f922fbd219da691842649e7aa39eeac65a8b21ad0bdd9437ace260bdf744910690b3d004fda16f1f267f78c307741526e8ba6bde3558f4c64d

  • C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe

    Filesize

    1.0MB

    MD5

    35c69ab07ba4fd97cb23a0351d7293b6

    SHA1

    65c3a14d30364f80ebda6cd1b83c6f9633291c35

    SHA256

    f6d38b7dda48f70fabd8cf49cfb5191ef8bb4f351629c06ec102630d852da81c

    SHA512

    072d19611df7a7807a4edff57befe8568132925b493cc7484684b59ef7cee31649eca13adafd3023f0a444241af6e571325880760b534990dfbac6a71bba1a70

  • C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe

    Filesize

    1.3MB

    MD5

    06670ce4174643ad43c413115c8fde00

    SHA1

    6b7ecb0a6c058d6bd008121478178847bfa59b9b

    SHA256

    af4b0b4e4184e5283032f0b141bd2aac39241624471888061bd6cfe661ff24fc

    SHA512

    ef119712659b877f65310635552898c2518aae66a7e836db5ef699ec52ca21f95e040547f40175a0f9f0329aead206c800d7b6756e78e61321564d45d6ec3dc1

  • memory/3284-20-0x00007FF887543000-0x00007FF887545000-memory.dmp

    Filesize

    8KB

  • memory/3284-21-0x0000000000140000-0x0000000000340000-memory.dmp

    Filesize

    2.0MB

  • memory/3932-34-0x000001CDF61E0000-0x000001CDF63A6000-memory.dmp

    Filesize

    1.8MB

  • memory/3932-35-0x000001CDF8960000-0x000001CDF89D6000-memory.dmp

    Filesize

    472KB