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Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2024, 00:19

General

  • Target

    110f089a036c5ae8f58748407eb3725e_JaffaCakes118.exe

  • Size

    281KB

  • MD5

    110f089a036c5ae8f58748407eb3725e

  • SHA1

    427ed0cd0a52ded407bc9830ebafb935aebe45d3

  • SHA256

    73cf3e794020f35e572192f0dc8c1ffebb912558b534f1845d1aba130249334b

  • SHA512

    fbbf2b903dc2a2d4a83972d060ada0a61caee3ae8ca6fb236998ec9f937c98650aa409c560a20355d8b0e8ce180c3b6b08cc98f65dd80568fd19a3ffe135cced

  • SSDEEP

    6144:aGKyXxrOBzS4Yf0pBoC3QEOO4sKJ6RrIa7mCe9Ed:anypcOOqC3QW9mT9w

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\110f089a036c5ae8f58748407eb3725e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\110f089a036c5ae8f58748407eb3725e_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Users\Admin\AppData\Local\Temp\Du1j84ZRk04UcCP.exe
      C:\Users\Admin\AppData\Local\Temp\Du1j84ZRk04UcCP.exe
      2⤵
      • Executes dropped EXE
      PID:2760
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\CTS.exe

    Filesize

    64KB

    MD5

    666d25a859fed65a834945976ebbb637

    SHA1

    609f4596cf135fa66aa35236dfc5fd3e7b2ac9a1

    SHA256

    d9b9c7b832ac3f5b989af17bc2d43f174bd94794166d5e1db7e02c25b1f32490

    SHA512

    35fe9afcf54e7111d81051997a6abedfd5a4245ea438ffc98cffa11a2a37d64d33c472664f4edb5cfbe84f12dedb8af99eb22895d6cfa7250cc446f109aaa38b

  • \Users\Admin\AppData\Local\Temp\Du1j84ZRk04UcCP.exe

    Filesize

    217KB

    MD5

    f8a38fd27da720881c0af1ac99b8c1ad

    SHA1

    2ed31938119e2ebdeb0f5539c985e9965aef72d7

    SHA256

    b2e32b3fa44b3a9a8fdfa906627355f6f48b4821929f9bce5ded2d07894361d4

    SHA512

    aafa05bc5bd68687b998fe4d9a619caecc65d14f317af7a05ac0ecab7e231891e8719029245dc84eddce20bdd4c0cc6f4ffafdf8200227746b28cc6628564495

  • memory/2724-0-0x0000000000240000-0x0000000000253000-memory.dmp

    Filesize

    76KB

  • memory/2884-13-0x0000000000F80000-0x0000000000F93000-memory.dmp

    Filesize

    76KB