Overview

overview

10

Static

static

7

8b11d2b47b...ca.exe

windows7-x64

10

8b11d2b47b...ca.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-08-2024 12:34

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General

  • Target

    8b11d2b47be800ed7bb6e7b259646460ba9bc4564bf79acfd36274c58706f0ca.exe

  • Size

    1.2MB

  • MD5

    a663fa02456a18ec8089836d2e6be0ab

  • SHA1

    1b4f5e3ec2127ab2e189540676a3f9ffa68a350c

  • SHA256

    8b11d2b47be800ed7bb6e7b259646460ba9bc4564bf79acfd36274c58706f0ca

  • SHA512

    c7a714a77ebd39c2c8422028f0647f795557180ce55c0d1978785f4d02fed9083de3f66b25f1b8744246ae28c0c143104ce5f2c02396386a0214253d62b870df

  • SSDEEP

    24576:9WnukjaDKSnYBzaJbjSoGF9LzpELx3N/nHwhHK28URjX+e:MnTjaD/9v6Vcx9HwNhue

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
  • 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 5 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 9 IoCs

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

    upx
  • VMProtect packed file 11 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • 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.

    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 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 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b11d2b47be800ed7bb6e7b259646460ba9bc4564bf79acfd36274c58706f0ca.exe
    "C:\Users\Admin\AppData\Local\Temp\8b11d2b47be800ed7bb6e7b259646460ba9bc4564bf79acfd36274c58706f0ca.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:2808
    • 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:1420
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 468
        3⤵
        • Program crash
        PID:3000
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 444
        3⤵
        • Program crash
        PID:3608
    • 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:3576
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 352
        3⤵
        • Program crash
        PID:4976
    • 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:544
      • 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:2128
        • 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:4768
    • 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:856
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1420 -ip 1420
    1⤵
      PID:3808
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3576 -ip 3576
      1⤵
        PID:1848
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1420 -ip 1420
        1⤵
          PID:1608
        • 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:4160
          • 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:3136

        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\Local\Temp\AK74.exe
          Filesize

          400KB

          MD5

          b0998aa7d5071d33daa5b60b9c3c9735

          SHA1

          9365a1ff0c6de244d6f36c8d84072cc916665d3c

          SHA256

          3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

          SHA512

          308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

          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

          0a36e37d65d89c442fcd59fd9823cba8

          SHA1

          31363943ddffcb80ab7e6e7c818ad23c511ce639

          SHA256

          0177cfaceafb1e57b93ad5b8d5358582002d9dbdc82963560846eefdbf9f0105

          SHA512

          6f9b13a794cdbb99f5dbcbe6620324be914d353eae8522e53c3f4c66de4de6886fc047e7fb80c24d42b2e8cb44ed41511fa0a6f7199f1b6115701d8244a0ff75

          Download Submit

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

          1.2MB

          MD5

          945954d887981ae6c4118cc5a9f1e634

          SHA1

          42484b22364f244b808e617f1239c52a78adebaa

          SHA256

          821edc3fc8d281e06526e4b2cf8d7b9539b4f4f645108fbf1cf4d9aea5626c8b

          SHA512

          d61e65de4a9e90ee0775626fbd1cd735e77c51e99f1846d00d07e902059588e94519294c9f5a9cbb175a08982dfb12c8c5cfdd65eda7949f769c00a832a97aaf

          Download Submit

        • C:\Windows\SysWOW64\240628250.txt
          Filesize

          49KB

          MD5

          10c1ce4f36d119232fc8b56c551069d4

          SHA1

          a008d9645147ba8368e97b4496c99a9d01b91dd4

          SHA256

          9da9ac7f1bcceca88f8792fcdce2ed915e905561a34d42bb287cd5f2d2fce962

          SHA512

          3c043702ea412c1405208307a7dd736e33b1f8aec3d2a67e7644fb09e49cba9bea5295ccc64e82d8c6ef65175aaa225a0f01d29be2f633a299645e5f266e3d98

          Download Submit

        • memory/544-27-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

          Download

        • memory/544-26-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

          Download

        • memory/544-24-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

          Download

        • memory/2808-66-0x0000000000400000-0x0000000000761000-memory.dmp

          Filesize

          3.4MB

          Download

        • memory/2808-70-0x0000000000400000-0x0000000000761000-memory.dmp

          Filesize

          3.4MB

          Download

        • memory/2808-80-0x0000000000400000-0x0000000000761000-memory.dmp

          Filesize

          3.4MB

          Download

        • memory/2808-78-0x0000000000400000-0x0000000000761000-memory.dmp

          Filesize

          3.4MB

          Download

        • memory/2808-76-0x0000000000400000-0x0000000000761000-memory.dmp

          Filesize

          3.4MB

          Download

        • memory/2808-73-0x0000000000400000-0x0000000000761000-memory.dmp

          Filesize

          3.4MB

          Download

        • memory/2808-1-0x0000000000400000-0x0000000000761000-memory.dmp

          Filesize

          3.4MB

          Download

        • memory/2808-60-0x0000000000400000-0x0000000000761000-memory.dmp

          Filesize

          3.4MB

          Download

        • memory/2808-63-0x0000000000400000-0x0000000000761000-memory.dmp

          Filesize

          3.4MB

          Download

        • memory/2808-0-0x0000000000400000-0x0000000000761000-memory.dmp

          Filesize

          3.4MB

          Download

        • memory/3136-50-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

          Download

        • memory/3136-48-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

          Download

        • memory/3136-45-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

          Download

        • memory/4160-34-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

          Download

        • memory/4160-32-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

          Download

        • memory/4160-35-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

          Download