Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 04:57

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 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.

  • 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 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 10 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 7 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 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.

  • 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 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57d351420b4b339d78441003326f35fed9311c5246dcd6e7f3d4c23f7ddbfc64.exe
    "C:\Users\Admin\AppData\Local\Temp\57d351420b4b339d78441003326f35fed9311c5246dcd6e7f3d4c23f7ddbfc64.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:2096
    • 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:2112
    • 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:1688
    • 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:2848
      • 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:2992
        • 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:2776
    • 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:2652
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2920
    • 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:2696
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259424904.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2012
    • 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:2732
      • 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:2900

    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

      4dfcf8073cc8e1dd13b35ede81324506

      SHA1

      87e7e8d00c2be9520343845beab7e2eec081239e

      SHA256

      9cfc34eb301562998041d5dc84be9d7f0f78bf432022e6a114d794c058b9fcda

      SHA512

      3f6dde455146237ce827bb1edf02ee41ad915f9950cba35b263455e993d39ba8ca28ec63cef655452deb475cd4530b92b859579f1ebcc59bf62003f96aae3b69

    • \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

      c4679b3b8595e2b0bbf55dd101a2a595

      SHA1

      37f8f3026950c554bd9fbe67e9d40306646b7816

      SHA256

      b5cbe2230ea67dd75c713f42c9c62edb75f7d2889fb6d70cbe1e76589772bed9

      SHA512

      355f23d5bf2827ab131ad368d7e6596af297f27dad53e91bfcf2931f0fb0a84e742edc1a8f77b7adba84ec3e0a3a902a400026c7d143e874eaf81b53826390b7

    • \Windows\SysWOW64\259424904.txt

      Filesize

      49KB

      MD5

      50df3fa886fa556c6cf79a38c81115bc

      SHA1

      e7d8fadb8b75dd369c15f38b80ae29c10991c6db

      SHA256

      b6fd84894df0abd2b0f11536c894ecab7b2bd6886d4f61349435cbeb70a5a4b0

      SHA512

      21d982b7eb566163cb43ccc64b73b28bc2db59f6e275d34575afad2eba2f3757f918f00bf93af68e31cf4a0b540e357f96263402565e6e951a5f49ccf57ca587

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2096-76-0x0000000000B90000-0x0000000000BA0000-memory.dmp

      Filesize

      64KB

    • memory/2096-74-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2096-96-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2096-93-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2096-65-0x0000000000B90000-0x0000000000BA0000-memory.dmp

      Filesize

      64KB

    • memory/2096-64-0x0000000000B90000-0x0000000000BA0000-memory.dmp

      Filesize

      64KB

    • memory/2096-90-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2096-1-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2096-87-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2096-83-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2096-77-0x0000000000B90000-0x0000000000BA0000-memory.dmp

      Filesize

      64KB

    • memory/2096-0-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2096-80-0x0000000000400000-0x0000000000761000-memory.dmp

      Filesize

      3.4MB

    • memory/2848-26-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2848-29-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2848-28-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2900-49-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2900-56-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/2900-53-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB