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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    28/12/2024, 06:51

General

  • Target

    695c792a68702a6c0ff449f46013bf3e639b00c19d14093e3a58c385f571d9fc.exe

  • Size

    1.2MB

  • MD5

    3dc45649587e8e6c20503829f50a73e6

  • SHA1

    82b5f1b33b3352f51667f566ddbb2bcc8c75314b

  • SHA256

    695c792a68702a6c0ff449f46013bf3e639b00c19d14093e3a58c385f571d9fc

  • SHA512

    1113ded5bff9418c2eb86882472dbce7ca171f1fe9289437289581594104636899c0efdd80e1e297d367ca2ade62d2f2b66174dc9487065002454c37549105a3

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJti1:WIwgMEuy+inDfp3/XoCw57XYBwK1

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
  • 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 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 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 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\695c792a68702a6c0ff449f46013bf3e639b00c19d14093e3a58c385f571d9fc.exe
    "C:\Users\Admin\AppData\Local\Temp\695c792a68702a6c0ff449f46013bf3e639b00c19d14093e3a58c385f571d9fc.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:2188
    • 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:2712
    • 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:2796
    • 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:3048
      • 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:2748
        • 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:2324
    • 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:1580
  • 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:2804
    • 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:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    400KB

    MD5

    b0998aa7d5071d33daa5b60b9c3c9735

    SHA1

    9365a1ff0c6de244d6f36c8d84072cc916665d3c

    SHA256

    3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

    SHA512

    308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

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

    Filesize

    92B

    MD5

    29ce53e2a4a446614ccc8d64d346bde4

    SHA1

    39a7aa5cc1124842aa0c25abb16ea94452125cbe

    SHA256

    56225be6838bc6e93ea215891eacf28844ae27a9f8b2b29bf19d3a8c2b1f58df

    SHA512

    b2c5a2708c427171a5715801f8ea733ffe88d73aaaaf59c5c752ea32cbe7aae8526cc26eabe84ad5043174c0c69b1d6b15a9fb125c15accfac3462d5d08a0faa

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

    Filesize

    753B

    MD5

    c41c183010913b5f60922ac463c2b01f

    SHA1

    54552815d00aab8871d13214a138f7ba49ee85fe

    SHA256

    59efef68e9b49faa259618fb6d78b54671cbb701c440818ba17c07f37585268d

    SHA512

    0b78c88e6d594fe352f1441732f99f410f889d491f8b18dcdff93c3c2b9e03b1f62bdc6b0220984b3b68e7dc94505946eac649f628a5911b3378229da4b9f56a

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

    Filesize

    91KB

    MD5

    423eb994ed553294f8a6813619b8da87

    SHA1

    eca6a16ccd13adcfc27bc1041ddef97ec8081255

    SHA256

    050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

    SHA512

    fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

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

    Filesize

    1.2MB

    MD5

    913902a438663676a0b53f5cc276c37f

    SHA1

    1fd5bb4596f23c3526d2fe0b8de8a5e130493649

    SHA256

    6072d6f77198a2f85067ada2829ce7b167dfb69bb6122054a1fb05de663c36ca

    SHA512

    3f143393c06a7b5db647d6b49aaa09f10570be52f7e95258c895d65f82a898c97038b1525f2c2fceaf920e2b2b7876530f8ad14723184d998ef96f3052cc86ba

  • \Windows\SysWOW64\259464482.txt

    Filesize

    49KB

    MD5

    a411970bc3f20e63f49f163292a97315

    SHA1

    f1fa2580fbbef6cfc43beb31679c5174c94899bd

    SHA256

    e86616f536cc8b61b81666bf78380c11f40f1958a1e98d63a526c740aae4efdf

    SHA512

    735cb50e9ef881ff8d5e113c26d4932b8219cf3683d84f4ea0c1394ff0441efac0875feb6b4937b6b43a631c99fbee3462fd50955f99cd9e6b607c5f216349a7

  • memory/2188-69-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2188-72-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2188-85-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2188-82-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2188-79-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2188-1-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2188-60-0x0000000002230000-0x0000000002240000-memory.dmp

    Filesize

    64KB

  • memory/2188-59-0x0000000002230000-0x0000000002240000-memory.dmp

    Filesize

    64KB

  • memory/2188-76-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2188-63-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2188-65-0x0000000002230000-0x0000000002240000-memory.dmp

    Filesize

    64KB

  • memory/2188-66-0x0000000002230000-0x0000000002240000-memory.dmp

    Filesize

    64KB

  • memory/2188-0-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB

  • memory/2764-49-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2764-48-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2764-44-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/3048-21-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/3048-24-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB

  • memory/3048-23-0x0000000010000000-0x00000000101BA000-memory.dmp

    Filesize

    1.7MB