Overview

overview

10

Static

static

3

c0acdf245d...18.exe

windows7-x64

10

c0acdf245d...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 11:45

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    c0acdf245db3db9716a9740252953050_JaffaCakes118.exe
  • Size 256KB
  • Sample240825-nw7pkaserf
  • SHA256 70978036d4af7e699682d98b66a53ebb834e02737a345d6d3f54830ff5311c6c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
discoveryevasionpersistenceupx

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 8 IoCs
  • UPX packed file 16 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 53 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
    discovery
  • Suspicious use of SetThreadContext 5 IoCs
  • 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 10 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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0acdf245db3db9716a9740252953050_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c0acdf245db3db9716a9740252953050_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Users\Admin\pmuEma.exe
      C:\Users\Admin\pmuEma.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3996
      • C:\Users\Admin\daoza.exe
        "C:\Users\Admin\daoza.exe"
        3⤵
        • 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
        • Suspicious use of WriteProcessMemory
        PID:4980
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del pmuEma.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3788
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4804
    • C:\Users\Admin\2gal.exe
      C:\Users\Admin\2gal.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4744
      • C:\Users\Admin\2gal.exe
        "C:\Users\Admin\2gal.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1984
      • C:\Users\Admin\2gal.exe
        "C:\Users\Admin\2gal.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:4108
      • C:\Users\Admin\2gal.exe
        "C:\Users\Admin\2gal.exe"
        3⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Suspicious behavior: EnumeratesProcesses
        PID:4268
      • C:\Users\Admin\2gal.exe
        "C:\Users\Admin\2gal.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:64
      • C:\Users\Admin\2gal.exe
        "C:\Users\Admin\2gal.exe"
        3⤵
        • Executes dropped EXE
        PID:4764
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 80
          4⤵
          • Program crash
          PID:2708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del c0acdf245db3db9716a9740252953050_JaffaCakes118.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5016
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3896
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4764 -ip 4764
    1⤵
      PID:4632

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          2gal.exe
          • Path C:\Users\Admin\2gal.exe
          • Size 124KB
          • SHA256 dcb0fe1a43622940710ddfb0092310b4dbec0e33734ca4f821e3e0676c856c20
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          daoza.exe
          • Path C:\Users\Admin\daoza.exe
          • Size 228KB
          • SHA256 f8f05b45d6654f838e265b6829c699c46eca4ab632c261f13067533b5fa116f6
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          pmuEma.exe
          • Path C:\Users\Admin\pmuEma.exe
          • Size 228KB
          • SHA256 baf38692de9b19c79fc98686a16f8f557b6cd6cf483669b589e4f7ed84e9ed24
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/64-65-0x0000000000400000-0x0000000000407000-memory.dmp
          Download

          memory/64-81-0x0000000000400000-0x0000000000407000-memory.dmp
          Download

          memory/64-68-0x0000000000400000-0x0000000000407000-memory.dmp
          Download

          memory/64-70-0x0000000000400000-0x0000000000407000-memory.dmp
          Download

          memory/1984-51-0x0000000000400000-0x0000000000407000-memory.dmp
          Download

          memory/1984-47-0x0000000000400000-0x0000000000407000-memory.dmp
          Download

          memory/1984-73-0x0000000000400000-0x0000000000407000-memory.dmp
          Download

          memory/1984-49-0x0000000000400000-0x0000000000407000-memory.dmp
          Download

          memory/4108-56-0x0000000000400000-0x000000000040E000-memory.dmp
          Download

          memory/4108-57-0x0000000000400000-0x000000000040E000-memory.dmp
          Download

          memory/4108-59-0x0000000000400000-0x000000000040E000-memory.dmp
          Download

          memory/4108-53-0x0000000000400000-0x000000000040E000-memory.dmp
          Download

          memory/4268-64-0x0000000000400000-0x0000000000426000-memory.dmp
          Download

          memory/4268-63-0x0000000000400000-0x0000000000426000-memory.dmp
          Download

          memory/4268-60-0x0000000000400000-0x0000000000426000-memory.dmp
          Download

          memory/4268-78-0x0000000000400000-0x0000000000426000-memory.dmp
          Download