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
    24-12-2024 04:47

General

  • Target

    57d351420b4b339d78441003326f35fed9311c5246dcd6e7f3d4c23f7ddbfc64.exe

  • Size

    1.2MB

  • MD5

    80ccfb1b2aa9cfe0c0edb8e6eefbb96b

  • SHA1

    85e2d4915850774ee272ad190fffdd468a573efe

  • SHA256

    57d351420b4b339d78441003326f35fed9311c5246dcd6e7f3d4c23f7ddbfc64

  • SHA512

    139c0ddd56808d2cc81aa7a1476f41247bb4bf091150edc6608df28327dc854bbc4167ff9d0f74e6ac22d5853a9cbf5d0d764a31b5f9b0b61d44a9e643fb0920

  • SSDEEP

    24576:9WnukjaDKSnYBzaJbjSoGF9LzpELx3N/nHwhHK28URjX+y:MnTjaD/9v6Vcx9HwNhuy

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\57d351420b4b339d78441003326f35fed9311c5246dcd6e7f3d4c23f7ddbfc64.exe
    "C:\Users\Admin\AppData\Local\Temp\57d351420b4b339d78441003326f35fed9311c5246dcd6e7f3d4c23f7ddbfc64.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:1832
    • 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:2232
    • 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:384
    • 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:1124
      • 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:3848
        • 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:3212
    • 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:2008
  • 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:5000
    • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
      C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240626171.txt",MainThread
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4480
  • 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:3764
    • 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:3876

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

    d0c27806f31b93b9fc2f40725c83fe20

    SHA1

    59b05bb965b9f9670f7b91c70e9e2175f6249f50

    SHA256

    827d79897a4ae98726ba7df9e70a554976117bfdd7e4867047011e1260b82e8e

    SHA512

    00755e257773645293e6330aef499a96562f65076f616d539c4dd91b13f6b67d8ebe936881edd0c10b2da3ca67e4a854f3d708c594fba291dab83897d890a4fa

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

    Filesize

    753B

    MD5

    e2582836f355337c0102ceb21166208c

    SHA1

    0b10a1e9bbec4c5fb82a37aabd5d90c362dc502b

    SHA256

    849753f7a2d1e1f355d2fdd1970b3a6e627448801f837ce454bc450e71e0135e

    SHA512

    9b1a6cb5db08e5e794dbae08819a8f83f96fb9302026d13d6668aa25739383da9ae049d59c07e0cf4248533d7be90b6c21b71025ca370cc4509cb5ec09e40de9

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

    Filesize

    1.2MB

    MD5

    676f7219f714a22d7ecf9a6f95b9956a

    SHA1

    7cbe44a76f2b10938609a68614e9b8aea6f0dec7

    SHA256

    b0609672c4967d8ec65d0fde16670cc661ec9c1632917b74be0a51c8f22eb128

    SHA512

    300ae87c093bf1f7c92358a0a175c9f2bc492f46879f3b000afc80c78225ef154685ce4c997e3deb7c627ce3312b74b4243b025a5deec34365beb37529c909e7

  • C:\Windows\SysWOW64\240626171.txt

    Filesize

    49KB

    MD5

    e6c0a3affbdd32b0d5f54d3b813a315c

    SHA1

    0224a26e897ec9e36f1468a90ddb3ec86179de78

    SHA256

    11fbbaa2250d95dc72883357303e3c28bc3d6b4ecb74a3150fec441df39fa99f

    SHA512

    eec1706b528165f9ea702640f4bbac475323701646e1c4f390373cc68f835915ce0292069b831c6aeaa1d9d261757b0cf5f24f83184d6b4749991fefcaa3dce6

  • C:\Windows\SysWOW64\ini.ini

    Filesize

    45B

    MD5

    77e57c3ca9e110729a67fa96d9c0845e

    SHA1

    372ba9fba2b96c4a8873f998f0a21c9111befa0d

    SHA256

    6d95a5b651c6cd7a312e9ddbde5206eb626539195b7639bebf8b99e292034c0e

    SHA512

    a79e673c78d74c40ad9da802d171d2211f31414645bf444df51714bd379fff3dc3975ea2525d53d17e90a2168ad84591f550acab758da3ecf0afb7cecc2ab337

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

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

  • memory/1124-37-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/1124-38-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/1124-35-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/1832-76-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1832-86-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1832-95-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1832-92-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1832-89-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1832-1-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1832-82-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1832-0-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1832-79-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/3764-46-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/3764-45-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/3764-43-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/3876-57-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/3876-63-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/3876-59-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB