Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/07/2024, 20:31

General

  • Target

    2db3cbddcd45660dc1337fd6b32fccf2_JaffaCakes118.exe

  • Size

    108KB

  • MD5

    2db3cbddcd45660dc1337fd6b32fccf2

  • SHA1

    2f09f8d48c6916e96bc1afd7a91099de9598b4be

  • SHA256

    91392ec36c6286f2f6798c8d41b604798f52e5800123283ebe7b259c913599a0

  • SHA512

    10733b938b6ed40fa13996cf35483d13120b4e04b991b9be145403eb44c0558eb7cd643d8ba85bcac13ce82ebe253444e027882c505b0628bbf81b32e2243061

  • SSDEEP

    1536:dSSdfweHDtfZ1G606v2kNNrkNNNorumNyJ3Zx+GgQ+lGtSY:rflDtT0

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 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
  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2db3cbddcd45660dc1337fd6b32fccf2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2db3cbddcd45660dc1337fd6b32fccf2_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3552
    • C:\Users\Admin\fiepa.exe
      "C:\Users\Admin\fiepa.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\fiepa.exe

    Filesize

    108KB

    MD5

    6f0e7ddca8f0098dff93d775b6042dc2

    SHA1

    967f5e560efb772e5de585164c033731dc22455d

    SHA256

    485c593b0a94828fbbfccd864dba3876b03d5b5a4106aef6cfd984eaec8e7dfd

    SHA512

    e11383013a0089291239b195d099e075aa88089b108d286f570b29b104b18071761489d97dd5457050ee20b6c4542e1142f414eed83a6a07157f18ebb3e5bd08