Analysis

  • max time kernel
    121s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-10-2024 10:36

General

  • Target

    a7cb185b6c148e85c2643ca88c9e540dfb6e0108c400318c7cf0f3e50b66b2b7.exe

  • Size

    1.2MB

  • MD5

    235e6dfc8b34d98070843da3b4e530eb

  • SHA1

    c9e497588f7d0305bf5ccd76d7d30c93e2444b6e

  • SHA256

    a7cb185b6c148e85c2643ca88c9e540dfb6e0108c400318c7cf0f3e50b66b2b7

  • SHA512

    94885ba31a4b5737904d83e752c29cd2933bed908c86a41ee7d189a56705b90cf1a38c082d9aa64a02b349962242ef087ea6a7a4cc3774956abf5dabbfefa3be

  • SSDEEP

    24576:9WnukjaDKSnYBzaJbjSoGF9LzpELx3N/nHwhHK28URjX+7:MnTjaD/9v6Vcx9HwNhu7

Malware Config

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 6 IoCs
  • Gh0strat

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

  • PurpleFox

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

  • 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 4 IoCs
  • UPX packed file 6 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 9 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 8 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7cb185b6c148e85c2643ca88c9e540dfb6e0108c400318c7cf0f3e50b66b2b7.exe
    "C:\Users\Admin\AppData\Local\Temp\a7cb185b6c148e85c2643ca88c9e540dfb6e0108c400318c7cf0f3e50b66b2b7.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:1236
    • 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:1244
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      C:\Users\Admin\AppData\Local\Temp\\AK47.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2772
    • 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:2784
      • 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:2824
        • 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:2692
    • 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:2024
    • 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:2284
  • 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:2148
    • 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:2972

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

    97c55339579c3aa3b5abc3b12a5c3413

    SHA1

    7fa56de114e5a1e05bed101e10e799f268c7dbdb

    SHA256

    4062bc6cc410a35d2309e172a4e11021927c659241cf9479f59d2b9513048090

    SHA512

    663270c85d73b58a2f3d416fb3b737b824eb88eb093cf315ac00158b665df77129b612e2bf6e2094a9160e3efe143fcb579b2a982e541fe0be4c410ecaa104f0

  • \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

    b05aeb95b34c9652f3f5f836732ac84d

    SHA1

    97ae0abc46d5214d6cb7be61e9603537084da80b

    SHA256

    bc120448899128dbaae983c9438a15b873c3f7dd7afee50a5dc65a52451f87d3

    SHA512

    0d7b4bb579996bb9079ce5df8c9df091bd1636e913a2fd805f34b2f2324ad6df1f4a6718778ff3aa59cf8bd145a077601a4adff14b206048154c030f7a11bc21

  • \Windows\SysWOW64\259533652.txt

    Filesize

    49KB

    MD5

    afadf7fe6a5cf16f77fda0999bae6a39

    SHA1

    67f91bdd57bc7cafc98cef90d8302ee8fd275c55

    SHA256

    9e71aeb02492c71b2e2a8eeecb935c02af6a20b43832accf828be310d6a27589

    SHA512

    ecfd6850e0d1e3cdee4003911325659db5a8e62d17432ca109bc31ef2191ab877449fb7ab1a855fef72b8b313ca89ab4af8b089909f140777076396267df7f2a

  • memory/1236-71-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1236-74-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1236-87-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1236-84-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1236-81-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1236-1-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1236-78-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1236-57-0x00000000027E0000-0x00000000027F0000-memory.dmp

    Filesize

    64KB

  • memory/1236-63-0x00000000027E0000-0x00000000027F0000-memory.dmp

    Filesize

    64KB

  • memory/1236-65-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/1236-67-0x00000000027E0000-0x00000000027F0000-memory.dmp

    Filesize

    64KB

  • memory/1236-68-0x00000000027E0000-0x00000000027F0000-memory.dmp

    Filesize

    64KB

  • memory/1236-0-0x0000000000400000-0x0000000000761000-memory.dmp

    Filesize

    3.4MB

  • memory/2784-24-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2784-22-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2784-23-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2972-49-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2972-47-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2972-44-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB