Analysis

  • max time kernel
    126s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 19:46

General

  • Target

    0033b46b2d76ea3aad5e1cef55648e99_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    0033b46b2d76ea3aad5e1cef55648e99

  • SHA1

    153f1051c93d0090a76359ab48d3d6b482eeb4af

  • SHA256

    a571cbff7518319ff7a3177fd480ccbcf7bec4a8e6694b07b4cb2e8d267e1a7c

  • SHA512

    9fbce334ba5e3f8736a0e37a766d0f9b93e896cfaf2df2646441f90569461ef5d1937197a4211c2021f796b8dbd93851ab6cf80455c7778a96ba48a4c572b8a6

  • SSDEEP

    24576:bKsYsjRvjPCsgSGMGK1LyRcr2APSyxY2phUbZUdIb/UZObpbf:bKJSvzeLMGCL1IyxHhUqO/cupz

Malware Config

Signatures

  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0033b46b2d76ea3aad5e1cef55648e99_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0033b46b2d76ea3aad5e1cef55648e99_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\temp\2011529111153.exe
      "C:\Windows\temp\2011529111153.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4268
    • C:\Windows\temp\2011529111155.exe
      "C:\Windows\temp\2011529111155.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:1628
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 700
        3⤵
        • Program crash
        PID:4140
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 748
        3⤵
        • Program crash
        PID:3164
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 1628 -ip 1628
    1⤵
      PID:2672
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1628 -ip 1628
      1⤵
        PID:3948
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4240,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=3988 /prefetch:8
        1⤵
          PID:2484

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\Temp\2011529111153.exe

          Filesize

          308KB

          MD5

          7d86edf22313fa5d5eb1c54be6f6a324

          SHA1

          8eeb4548895910fbc7075dda25361ce959c95bdf

          SHA256

          e45adc891873e7f3de969313430c494ed6d1e07086208bf5a01094ffe9046c4f

          SHA512

          64f88917cf394de7ee603f7acf00e9d6b0cafb7083a46669ad106a776a60443898a906a5a05c917a31fc24780f94149d2628a541a645ac8d4f094c67055de69c

        • C:\Windows\Temp\2011529111155.exe

          Filesize

          1.4MB

          MD5

          88c3255b87af2fbc78529daac66d02c1

          SHA1

          8215823855a427ba69a4ca8edab8f340e8a9bfde

          SHA256

          dd87e30afab371f9be168cbdb0bed2496b12e4631c388bddfe57a232071df227

          SHA512

          b0740b2e401aa629099a6a0b099ba9ea6cf9c59bc2f96e493adbca8db0d541ab987df70eff4257afebe33edb5d3be2362bf28fc4809da27499a092de7cc158c5

        • C:\Windows\Temp\SkinH_EL.dll

          Filesize

          86KB

          MD5

          147127382e001f495d1842ee7a9e7912

          SHA1

          92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

          SHA256

          edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

          SHA512

          97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

        • memory/1628-34-0x0000000010009000-0x000000001000A000-memory.dmp

          Filesize

          4KB

        • memory/1628-33-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1628-35-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1628-36-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB