Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 18:34

General

  • Target

    13ab0e09c0e7dca315c4bcf558ad321ad086c636246466f048d08eba604f22df.exe

  • Size

    1.2MB

  • MD5

    b0bdb6af7c3bcb3cb2d7f2760f7c8943

  • SHA1

    f362845a74c2f755a9a2f8c5bbe07ef9dce02032

  • SHA256

    13ab0e09c0e7dca315c4bcf558ad321ad086c636246466f048d08eba604f22df

  • SHA512

    157a8fe7d8a593e00d13f305dd6ee552e0c64f403fc5184cedd84c18b953f61a83c998a46bf9cd75a34bda257412cbe085f4006509877d2390cb6b71eb89df67

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtis:WIwgMEuy+inDfp3/XoCw57XYBwKs

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 8 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
  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Purplefox family
  • Drops file in Drivers directory 1 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 4 IoCs
  • VMProtect packed file 10 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 8 IoCs
  • UPX packed file 9 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13ab0e09c0e7dca315c4bcf558ad321ad086c636246466f048d08eba604f22df.exe
    "C:\Users\Admin\AppData\Local\Temp\13ab0e09c0e7dca315c4bcf558ad321ad086c636246466f048d08eba604f22df.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      "C:\Users\Admin\AppData\Local\Temp\AK47.exe"
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2636
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      C:\Users\Admin\AppData\Local\Temp\\AK47.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:4684
    • C:\Users\Admin\AppData\Local\Temp\AK74.exe
      C:\Users\Admin\AppData\Local\Temp\\AK74.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5064
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\AK74.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:3048
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:4780
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2748
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
      C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240623750.txt",MainThread
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1868
  • C:\Windows\SysWOW64\Ghiya.exe
    C:\Windows\SysWOW64\Ghiya.exe -auto
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1272
    • C:\Windows\SysWOW64\Ghiya.exe
      C:\Windows\SysWOW64\Ghiya.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:3456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\AK47.exe

    Filesize

    91KB

    MD5

    423eb994ed553294f8a6813619b8da87

    SHA1

    eca6a16ccd13adcfc27bc1041ddef97ec8081255

    SHA256

    050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

    SHA512

    fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

  • C:\Users\Admin\AppData\Local\Temp\AK74.exe

    Filesize

    400KB

    MD5

    b0998aa7d5071d33daa5b60b9c3c9735

    SHA1

    9365a1ff0c6de244d6f36c8d84072cc916665d3c

    SHA256

    3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

    SHA512

    308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

  • C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini

    Filesize

    92B

    MD5

    29ce53e2a4a446614ccc8d64d346bde4

    SHA1

    39a7aa5cc1124842aa0c25abb16ea94452125cbe

    SHA256

    56225be6838bc6e93ea215891eacf28844ae27a9f8b2b29bf19d3a8c2b1f58df

    SHA512

    b2c5a2708c427171a5715801f8ea733ffe88d73aaaaf59c5c752ea32cbe7aae8526cc26eabe84ad5043174c0c69b1d6b15a9fb125c15accfac3462d5d08a0faa

  • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

    Filesize

    753B

    MD5

    3c174867873335f9b1f4435d42eee0f2

    SHA1

    8a48f51977955372c4a8a7b040e130db0c377ab7

    SHA256

    f2d417296234d42317403552270721b8660de0949b9c7cc703085a56988c1b3f

    SHA512

    25ba21074963f45e3310ec3ec73a97c1ef3b400c8ea70c2f9f5ac3a7117684ffdf2ab1be9397998ce751eb4c4fedb76b02f4f7269f16750efc290865a140ee07

  • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

    Filesize

    1.2MB

    MD5

    0f514bac8d08039238841e751c19e346

    SHA1

    70d79be936b1ffadccc2f695ecad0425c5bdc067

    SHA256

    59571c7b1c6127ad176527052d1e14d1b52fdd8dd9793010d0b9dd3ea2002624

    SHA512

    9b9561f4d57eb414fc70dc6f4842f2e871aed62a8135f579fe7bb8b8ed9644c8ec68b40e35b3c253298c4300d42076b5f8bab42b23e8e43bb5860851dda72842

  • C:\Windows\SysWOW64\240623750.txt

    Filesize

    49KB

    MD5

    e58c13abf1953ed4e212f42d44643735

    SHA1

    6fe7f509df3f49e05e6640fc25586d623a0176f0

    SHA256

    2897c044c4205c0f860ba4617924bcdb409ed85481566036c0f48447ef3e727d

    SHA512

    1a942624c66882f9a9f3b8063f484a5c1570c6c35293129dd69384f909db0984cc865bc111afcc1f5e6096ce0ac67ee6f1658fedc0011d5c78b8aea1dba8181f

  • C:\Windows\SysWOW64\ini.ini

    Filesize

    45B

    MD5

    18d69371a0ab942c9e1f794a14a4bffc

    SHA1

    ef5ff43c325bb646f0de3231180d2c3132249f51

    SHA256

    ccfdcd28ed8d63a3498189d67dd0ebb0f015e74f4ed0d1784aa68d92408d6a04

    SHA512

    a28fd93cd082750414643dad113c09497bca376947d782cffdd67474af7f935b986fcdcbff1cdebafea1296118665037aec12fbbf1a594b4bc1d082c02971f2f

  • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

  • memory/1272-46-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/1272-45-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/1272-43-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/3456-61-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/3456-56-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/3456-60-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/4704-75-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/4704-0-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/4704-78-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/4704-81-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/4704-85-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/4704-1-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/4704-88-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/4704-91-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/4704-94-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/5064-38-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/5064-35-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/5064-37-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB