Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2024, 19:17

General

  • Target

    0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe

  • Size

    324KB

  • MD5

    0c21c76ef1241ec901459146bbbda82c

  • SHA1

    fc2126b7814095bad13156a280f646906b2e207e

  • SHA256

    b16788178214847ba54efaf55596babada0336689173f40a41286274107682e8

  • SHA512

    fdd007251a3457b67bc94a9272cd20ab3c0ac77adb1dff60928bb4bf3c57cde6a7b1436e8129a0faf2d985b73c54742edcf373fe1d3b4a63d58958d0e79e292c

  • SSDEEP

    6144:nnuzKS+cEKpmeHxh8ckm/TH89bNYVMDZatPv040T:nIMA138KHaGv0

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Disables taskbar notifications via registry modification
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 17 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
  • 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.

  • Modifies registry class 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of FindShellTrayWindow 37 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\uhx.exe
      "C:\Users\Admin\AppData\Local\uhx.exe" -gav C:\Users\Admin\AppData\Local\Temp\0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2092
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\uhx.exe

    Filesize

    324KB

    MD5

    0c21c76ef1241ec901459146bbbda82c

    SHA1

    fc2126b7814095bad13156a280f646906b2e207e

    SHA256

    b16788178214847ba54efaf55596babada0336689173f40a41286274107682e8

    SHA512

    fdd007251a3457b67bc94a9272cd20ab3c0ac77adb1dff60928bb4bf3c57cde6a7b1436e8129a0faf2d985b73c54742edcf373fe1d3b4a63d58958d0e79e292c

  • memory/2092-31-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-30-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-36-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-34-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-15-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-33-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-32-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-23-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-22-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-19-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-21-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-18-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-17-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-24-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-25-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2092-29-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2524-3-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2524-0-0x00000000001D0000-0x00000000001EC000-memory.dmp

    Filesize

    112KB

  • memory/2524-13-0x0000000000401000-0x00000000005E5000-memory.dmp

    Filesize

    1.9MB

  • memory/2524-14-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2524-1-0x0000000000400000-0x00000000005EE000-memory.dmp

    Filesize

    1.9MB

  • memory/2524-2-0x0000000000401000-0x00000000005E5000-memory.dmp

    Filesize

    1.9MB

  • memory/2748-35-0x00000000040C0000-0x00000000040D0000-memory.dmp

    Filesize

    64KB