Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 18:50

General

  • Target

    315b0cb1e5b6fbc81f6ddb00c36a13ceb7af4982b65c88dcde42966136e3598c.exe

  • Size

    1.2MB

  • MD5

    ca87a83be4921aafc3530175871c7653

  • SHA1

    b6053f25e34e208939010ab5c10923fbe3f399a1

  • SHA256

    315b0cb1e5b6fbc81f6ddb00c36a13ceb7af4982b65c88dcde42966136e3598c

  • SHA512

    33c1fe5726d0ab740cf80e2f46c2216367d9c7426fc78e6dc4e72db0e85c39d063d86142ceaca3383a6a8d781ef0f0b85c8f212cae19c401a4cae11fd0ee2d1b

  • SSDEEP

    24576:9WnukjaDKSnYBzaJbjSoGF9LzpELx3N/nHwhHK28URjX+I:MnTjaD/9v6Vcx9HwNhuI

Malware Config

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 7 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
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 7 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 3 IoCs
  • UPX packed file 7 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 8 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.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 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 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\315b0cb1e5b6fbc81f6ddb00c36a13ceb7af4982b65c88dcde42966136e3598c.exe
    "C:\Users\Admin\AppData\Local\Temp\315b0cb1e5b6fbc81f6ddb00c36a13ceb7af4982b65c88dcde42966136e3598c.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      "C:\Users\Admin\AppData\Local\Temp\AK47.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2380
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      C:\Users\Admin\AppData\Local\Temp\\AK47.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1652
    • 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:2184
      • 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:2772
        • 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:2632
    • 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:2624
  • C:\Windows\SysWOW64\Ghiya.exe
    C:\Windows\SysWOW64\Ghiya.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2816
    • 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:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • 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

    a977ffe1a18f6cd9e64bde9c07b79e3d

    SHA1

    6beae5610ff370ec3bfed110eb6492ee1392e0e7

    SHA256

    19260d825d17c6be29c06e07980f842b86cf661df1f5b8d06c8cabe1da891660

    SHA512

    efcdc5db85b655785b5833ca1e523e6606724fbcd4e69c8fb70a963f321d53417e03fafde19ae493a2ee86225a8ee4f64785d1ce53ba41cbfd3dcd0ae106fbcc

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

    Filesize

    91KB

    MD5

    423eb994ed553294f8a6813619b8da87

    SHA1

    eca6a16ccd13adcfc27bc1041ddef97ec8081255

    SHA256

    050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

    SHA512

    fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

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

    Filesize

    400KB

    MD5

    b0998aa7d5071d33daa5b60b9c3c9735

    SHA1

    9365a1ff0c6de244d6f36c8d84072cc916665d3c

    SHA256

    3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

    SHA512

    308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

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

    Filesize

    1.2MB

    MD5

    d694177360aa52f93bc22d9dc54bb976

    SHA1

    f8abc3d4fadfaeb413813df9b6a05c0799570eb7

    SHA256

    41c9d88d3cf64694aac4afe58669e16339946cc1b9802abc22914ac046631527

    SHA512

    6e49a918c2f50fb9e2c671b567100beaa6d6b681ba2507561aab307dd2f8639a47baca8388cfa669494db0bd42db0b64138d2634e5ef85297d91b8d573945779

  • \Windows\SysWOW64\259427353.txt

    Filesize

    49KB

    MD5

    8e41e9e60914c00a283bedba44880dab

    SHA1

    b0727a1621c5611d2090d3cd4e68c4f4e9d0bfab

    SHA256

    a0232fda74fd902abbcc003e7ded62e7b37a8d3fa5b69c8eb4dec73395015c72

    SHA512

    53cc99aec5c665357f8a2abce468c54a6283d61ab7c459aa108f902bd8c30063f321dc111909d0c7b4206bd08fdbdb4695141085a1d97400a234a3aaef681e37

  • memory/2184-21-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2184-24-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2184-23-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2524-58-0x0000000002310000-0x0000000002320000-memory.dmp

    Filesize

    64KB

  • memory/2524-72-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2524-59-0x0000000002310000-0x0000000002320000-memory.dmp

    Filesize

    64KB

  • memory/2524-0-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2524-85-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2524-82-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2524-63-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2524-66-0x0000000002310000-0x0000000002320000-memory.dmp

    Filesize

    64KB

  • memory/2524-65-0x0000000002310000-0x0000000002320000-memory.dmp

    Filesize

    64KB

  • memory/2524-69-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2524-79-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2524-76-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2524-1-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2752-48-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2752-44-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2752-60-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB