Overview

overview

10

Static

static

7

a7cb185b6c...b7.exe

windows7-x64

10

a7cb185b6c...b7.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    127s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-10-2024 10:36

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General

  • Target

    a7cb185b6c148e85c2643ca88c9e540dfb6e0108c400318c7cf0f3e50b66b2b7.exe

  • Size

    1.2MB

  • MD5

    235e6dfc8b34d98070843da3b4e530eb

  • SHA1

    c9e497588f7d0305bf5ccd76d7d30c93e2444b6e

  • SHA256

    a7cb185b6c148e85c2643ca88c9e540dfb6e0108c400318c7cf0f3e50b66b2b7

  • SHA512

    94885ba31a4b5737904d83e752c29cd2933bed908c86a41ee7d189a56705b90cf1a38c082d9aa64a02b349962242ef087ea6a7a4cc3774956abf5dabbfefa3be

  • SSDEEP

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

Score
10/10
gh0stratpurplefoxdiscoverypersistenceratrootkittrojanupxvmprotect

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

    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.

    ratgh0strat
  • PurpleFox

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

    rootkittrojanpurplefox
  • Drops file in Drivers directory 1 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
    persistence
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • 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 3 IoCs
  • VMProtect packed file 10 IoCs

    Detects executables packed with VMProtect commercial packer.

    vmprotect
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 7 IoCs
  • UPX packed file 9 IoCs

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

    upx
  • 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.

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

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 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\a7cb185b6c148e85c2643ca88c9e540dfb6e0108c400318c7cf0f3e50b66b2b7.exe
    "C:\Users\Admin\AppData\Local\Temp\a7cb185b6c148e85c2643ca88c9e540dfb6e0108c400318c7cf0f3e50b66b2b7.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:1836
    • 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:3368
    • 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:3176
    • 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:1220
      • 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:2604
        • 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:1168
    • 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:4140
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:3028
    • 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:4172
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240614437.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4068
    • 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:1984
      • 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:1924

    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

      Download Submit

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

      92B

      MD5

      d0c27806f31b93b9fc2f40725c83fe20

      SHA1

      59b05bb965b9f9670f7b91c70e9e2175f6249f50

      SHA256

      827d79897a4ae98726ba7df9e70a554976117bfdd7e4867047011e1260b82e8e

      SHA512

      00755e257773645293e6330aef499a96562f65076f616d539c4dd91b13f6b67d8ebe936881edd0c10b2da3ca67e4a854f3d708c594fba291dab83897d890a4fa

      Download Submit

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

      753B

      MD5

      6fd59f3a13fdee97be0eae2d3b2ee6d8

      SHA1

      d69fb1244db2206b225b5ae604de7ea5bd54d4dc

      SHA256

      a1878f599260f7abbc1a0295008b813d177e63316da62292673c2a0db96310e1

      SHA512

      ca97c4145571c337befba919b76c45a61c416c51eea92e262eedd72f8a7fb64de64fb38d465ff1cbed6496f4f52858d67ef7475987ba5367644ba71acc19f69d

      Download Submit

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

      1.2MB

      MD5

      801c2a18b7d41a6c8b5b26c50ac65359

      SHA1

      b488f85a3dd589a3716d52d85dfc05b7d2011185

      SHA256

      44be9e473a3c1edb7674576bf07e96ba60bc1389d7d4b48e70fbd7c5c35e0323

      SHA512

      20c22951f6dbee7a5a78ef0934f9ae4a59526ce9ab8c5f85499ac8f742bc25e423dfff340ba4d83c7fb35a5fe6d840070b20cdbeb23347f867c5635f0cbf5cd4

      Download Submit

    • C:\Windows\SysWOW64\240614437.txt
      Filesize

      49KB

      MD5

      afadf7fe6a5cf16f77fda0999bae6a39

      SHA1

      67f91bdd57bc7cafc98cef90d8302ee8fd275c55

      SHA256

      9e71aeb02492c71b2e2a8eeecb935c02af6a20b43832accf828be310d6a27589

      SHA512

      ecfd6850e0d1e3cdee4003911325659db5a8e62d17432ca109bc31ef2191ab877449fb7ab1a855fef72b8b313ca89ab4af8b089909f140777076396267df7f2a

      Download Submit

    • C:\Windows\SysWOW64\Ghiya.exe
      Filesize

      400KB

      MD5

      b0998aa7d5071d33daa5b60b9c3c9735

      SHA1

      9365a1ff0c6de244d6f36c8d84072cc916665d3c

      SHA256

      3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

      SHA512

      308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

      Download Submit

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

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

      Download Submit

    • memory/1220-28-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

      Download

    • memory/1220-30-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

      Download

    • memory/1220-31-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

      Download

    • memory/1836-84-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

      Download

    • memory/1836-81-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

      Download

    • memory/1836-0-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

      Download

    • memory/1836-1-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

      Download

    • memory/1836-78-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

      Download

    • memory/1836-74-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

      Download

    • memory/1836-87-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

      Download

    • memory/1836-68-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

      Download

    • memory/1836-71-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

      Download

    • memory/1924-54-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

      Download

    • memory/1924-53-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

      Download

    • memory/1924-49-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

      Download

    • memory/1984-36-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

      Download

    • memory/1984-39-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

      Download

    • memory/1984-38-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

      Download