Overview

overview

10

Static

static

3

036404e0d5...18.exe

windows7-x64

10

036404e0d5...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2024 21:53

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General

  • Target

    036404e0d59d55c279207f750f124a22_JaffaCakes118.exe

  • Size

    111KB

  • MD5

    036404e0d59d55c279207f750f124a22

  • SHA1

    d7e29b796e29b8dffc46f07416cf756e65280448

  • SHA256

    e3656bfed4a601c7fa964441f6977ace1ff2d7cc1daeb37fec4baf51a059e7ca

  • SHA512

    09d50a1af70d4007c8ebefc49e27da44a9a4648654805ce8c1532240bcb2a99907b3047766852dc8ab56ff9ff8fd985be70690b9aceab167c3a85145caeccda5

  • SSDEEP

    768:sduwfCcDlhE2lNEjWOz1P34DGltCJWx+7AppL4zG4dslM8lP+wgG0SXdkUr9AeXU:sdFXHlWF1lN+aLHM8WSXjyR

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • 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 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\036404e0d59d55c279207f750f124a22_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\036404e0d59d55c279207f750f124a22_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3500
    • C:\Users\Admin\piougo.exe
      "C:\Users\Admin\piougo.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 1432
      2⤵
      • Program crash
      PID:1316
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3500 -ip 3500
    1⤵
      PID:2308

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

    • C:\Users\Admin\piougo.exe
      Filesize

      111KB

      MD5

      04ff3cfe8e31be7db26b883b1d54a42c

      SHA1

      0c4577118aa3c0ef91a764d521cefda84395ba74

      SHA256

      d636516413d7924d244f3a148b137b8c599352dcfe54ad6a81846d93691b78da

      SHA512

      4dac828234ac8fe1e9fb7366bcba0124c82fec939c17ef444f36f85c3affd0f1c4de0cef3561fe7973a885eac59166f14e7d4ee3024595c6ebbb41442626084c

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