Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30-03-2024 22:16

General

  • Target

    45ab445f996969fefe0e530ec2827515_JaffaCakes118.exe

  • Size

    1.5MB

  • MD5

    45ab445f996969fefe0e530ec2827515

  • SHA1

    6b0b2be8348c381051c54a5d3bdecd2d44d1abf2

  • SHA256

    6d8b3a1bf9dcc6fcd92a2388fb8e2dde25de097b50c4bbeff7a9e579c23bfc61

  • SHA512

    900d183f4491ed0e7c8c275226ecf64a25b3b0d44e7a71189a7a28ae6b1ae87bd7ea7e1eb4b2e6ecde3db5210a586632835d3adcd29e4e15679d181bdf92749b

  • SSDEEP

    24576:VqBk70TrcXkF3EPDA5AtiKhhUF54clNf7+6uHAW92zt/sWu2BSMCqDoRg:ykQTA06PD7o54clgLH+tkWJ0NG

Score
10/10

Malware Config

Signatures

  • Detects Echelon Stealer payload 1 IoCs
  • Echelon

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

  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45ab445f996969fefe0e530ec2827515_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\45ab445f996969fefe0e530ec2827515_JaffaCakes118.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\ProgramData\Decoder.exe
      "C:\ProgramData\Decoder.exe"
      2⤵
      • Executes dropped EXE
      PID:2556
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2408
      • C:\Windows\system32\timeout.exe
        timeout 4
        3⤵
        • Delays execution with timeout.exe
        PID:2112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Decoder.exe

    Filesize

    440KB

    MD5

    190518c85fbc2fae376e22ec5f8900ad

    SHA1

    44debc4e9d3144176b29f3b5ee18c92bc2efc757

    SHA256

    82fb966d944b586453ee3102d5907f9174d92c74d7cb32b0ebb00d99f4724c67

    SHA512

    26382be3edc564aace2a2044ed7885c3925ca82173e94762bd6d2add844444318f4de15fcc411d27f6589ae048f24799b705a677ecc40a371683d14e239d5119

  • C:\Users\Admin\AppData\Local\Temp\.cmd

    Filesize

    28B

    MD5

    217407484aac2673214337def8886072

    SHA1

    0f8c4c94064ce1f7538c43987feb5bb2d7fec0c6

    SHA256

    467c28ed423f513128575b1c8c6674ee5671096ff1b14bc4c32deebd89fc1797

    SHA512

    8466383a1cb71ea8b049548fd5a41aaf01c0423743b886cd3cb5007f66bff87d8d5cfa67344451f4490c8f26e4ebf9e306075d5cfc655dc62f0813a456cf1330

  • memory/2020-0-0x00000000003C0000-0x0000000000546000-memory.dmp

    Filesize

    1.5MB

  • memory/2020-1-0x000007FEF58A0000-0x000007FEF628C000-memory.dmp

    Filesize

    9.9MB

  • memory/2020-2-0x0000000000340000-0x00000000003C0000-memory.dmp

    Filesize

    512KB

  • memory/2020-3-0x00000000006E0000-0x0000000000756000-memory.dmp

    Filesize

    472KB

  • memory/2020-14-0x000007FEF58A0000-0x000007FEF628C000-memory.dmp

    Filesize

    9.9MB

  • memory/2556-16-0x0000000004830000-0x00000000048B6000-memory.dmp

    Filesize

    536KB

  • memory/2556-17-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2556-18-0x00000000048C0000-0x0000000004900000-memory.dmp

    Filesize

    256KB

  • memory/2556-19-0x00000000048C0000-0x0000000004900000-memory.dmp

    Filesize

    256KB

  • memory/2556-20-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB