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Analysis

  • max time kernel
    147s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/02/2025, 04:14

General

  • Target

    JaffaCakes118_31842d7013c9d89f72389ebd80f8eb6a.exe

  • Size

    235KB

  • MD5

    31842d7013c9d89f72389ebd80f8eb6a

  • SHA1

    a0d19957dd904abed634377a790942a7c334dbfa

  • SHA256

    55250ffcf517527e1a9da7a2ddc48587bc58d15cbcae1b9869a8a880288ceb13

  • SHA512

    628d665017c36d5d3eb9a4dfa62a321a00ba71846a7f45a42be7a381fc8e64e863db71048ffce662cf73b6d8f53c9b80aa211aab86cf290bd500f08c749638a1

  • SSDEEP

    6144:SlnRhs9jerKEL4yDT06AoKSGm1egyzZa7kLJJMGB/rr:Su4KIU65L1egy1LJJMi

Malware Config

Signatures

  • Gh0st RAT payload 3 IoCs
  • Gh0strat

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

  • Gh0strat family
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31842d7013c9d89f72389ebd80f8eb6a.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31842d7013c9d89f72389ebd80f8eb6a.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\run_kl_file.bat" "
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2684
      • C:\Users\Admin\AppData\Local\Temp\ki1FA18.tmp
        C:\Users\Admin\AppData\Local\Temp\ki1FA18.tmp
        3⤵
        • Server Software Component: Terminal Services DLL
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2772
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\insFF75.tmp.msi" /quiet
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2716
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\run_dws_file.bat" "
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Users\Admin\AppData\Local\Temp\inl2D0.tmp
        C:\Users\Admin\AppData\Local\Temp\inl2D0.tmp cdf1912.tmp
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2836
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl2D0.tmp > nul
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2236
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp_ext_favurl_cab.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1692
      • C:\Windows\SysWOW64\expand.exe
        expand.exe "C:\Users\Admin\AppData\Local\Temp\favorites_url.cab" -F:*.* "C:\Users\Admin\Favorites"
        3⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:2608
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE > nul
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2644
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DCA55EA452853C4EC08627055E5313B2
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:708
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k imgsvc
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\cdf1912.tmp

    Filesize

    768B

    MD5

    d20d9eda31a2d0300e4589df7f352370

    SHA1

    79b46d2dbb489914cfedafdbc90e62951471b48e

    SHA256

    d7a1d6a8cf5c3fbb85cd06147a599f5274630b86b1c89721f10a60c1bbe994d8

    SHA512

    d28c5b69325a9833776ea362445b77b231a0ec9b9b8b4a2ad37a434ee8b2b0c1903d6ade1e372f73ac8ada951e0a24076cf23d9307d27fed5927f4bf8b0d0a5e

  • C:\Users\Admin\AppData\Local\Temp\run_dws_file.bat

    Filesize

    56B

    MD5

    af3aaf96cd6aff70451d192cf3188e02

    SHA1

    4f532c4d297d305773bd5c914bb786a68b7d6fb7

    SHA256

    ac8445aff52ab8e9817308a52b2248b5e4533449ae9165abad0128635942b683

    SHA512

    7ac786b8d4d46eb86770c14a4f9980eaafb6fd97fab7489f6c273c556d2d0cb4ffd02edd2683df64e70d9619d3a572876c83fdd102b3fbecb3934b27cab6bbd9

  • C:\Users\Admin\AppData\Local\Temp\run_kl_file.bat

    Filesize

    45B

    MD5

    ecbe9e5ec81c2d6249527df653eddbdf

    SHA1

    e91bb244293b31b79bcda781500865b9921fdcaa

    SHA256

    3290caef6c9ae261806b832d2fb5ea8078227eaca908d95276e57479ac7c363a

    SHA512

    c0471deeb29a7871c9fa47719ad714cd6b4520f9016eee6d168a15e4321f9c948a673ca869eb653072c887ffe79998f4301474c371921488a87839d7b9c576e8

  • C:\Users\Admin\AppData\Local\Temp\tmp_ext_favurl_cab.bat

    Filesize

    98B

    MD5

    8663de6fce9208b795dc913d1a6a3f5b

    SHA1

    882193f208cf012eaf22eeaa4fef3b67e7c67c15

    SHA256

    2909ea8555f2fc19097c1070a1da8fcfd6dc6886aa1d99d7e0c05e53feeb5b61

    SHA512

    9381063e0f85e874be54ae22675393b82c6ab54b223090148e4acbeff6f22393c96c90b83d6538461b695528af01d1f1231cf5dc719f07d6168386974b490688

  • C:\Windows\Installer\MSI780.tmp

    Filesize

    48KB

    MD5

    9067aad412defc0d2888479609041392

    SHA1

    36cfffc3bafeb24f88ad5886ca5787ca008b6ba9

    SHA256

    99f4e00b6908057a2fe5067ff6c8b6e32b5c07558ab79139dc4b998f1da4b517

    SHA512

    e69f259d78b02e6c1a5d9c45898b59372329a5288fff655dd741353f112b2b8eed18b01caa2bf312a91f5e314e1c0b036321b37c8efbebdcf3650ba6b12dee6a

  • \??\c:\users\admin\appdata\local\temp\favorites_url.cab

    Filesize

    425B

    MD5

    da68bc3b7c3525670a04366bc55629f5

    SHA1

    15fda47ecfead7db8f7aee6ca7570138ba7f1b71

    SHA256

    73f3605192b676c92649034768378909a19d13883a7ea6f8ba1b096c78ffadb5

    SHA512

    6fee416affcb6a74621479697bca6f14f5429b00de3aa595abe3c60c6b2e094877b59f8783bbe7bdd567fa565d0630bb02def5603f8f0ea92fe8f2c3ac5383c0

  • \??\c:\windows\SysWOW64\6ovudn.dll

    Filesize

    48.1MB

    MD5

    34942deabb7861d45cc3496063c557d1

    SHA1

    fa2c44fbdedb0aa260a246120b2fb685ae3e9d46

    SHA256

    0ad1a88747358972043d14383b6203992afee52b5646be3a2d791cd820790c1c

    SHA512

    0f12e80c3981c526f1de24f2d20e4c9058d3fc2be84ea12ddc65821565ad79b9dede56185818346e584c235fa6424b0c33a8585c2059f02cd3903cb3e5d1f1cd

  • memory/2656-0-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2656-10-0x0000000000850000-0x0000000000860000-memory.dmp

    Filesize

    64KB

  • memory/2656-1-0x0000000000020000-0x0000000000023000-memory.dmp

    Filesize

    12KB

  • memory/2656-51-0x0000000000020000-0x0000000000023000-memory.dmp

    Filesize

    12KB

  • memory/2656-50-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2672-94-0x0000000020000000-0x0000000020027000-memory.dmp

    Filesize

    156KB

  • memory/2672-90-0x0000000000110000-0x0000000000111000-memory.dmp

    Filesize

    4KB

  • memory/2672-77-0x0000000020000000-0x0000000020027000-memory.dmp

    Filesize

    156KB

  • memory/2684-18-0x0000000023560000-0x0000000023596000-memory.dmp

    Filesize

    216KB

  • memory/2684-20-0x0000000023560000-0x0000000023596000-memory.dmp

    Filesize

    216KB

  • memory/2772-55-0x0000000023560000-0x0000000023595BE0-memory.dmp

    Filesize

    214KB

  • memory/2772-21-0x0000000023560000-0x0000000023595BE0-memory.dmp

    Filesize

    214KB

  • memory/2836-92-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB