Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 14:42

General

  • Target

    9cd4436b2d8c15315938b0f07e0bdcabc3067bfabf058f78f7478b8b37694f9b.exe

  • Size

    4.6MB

  • MD5

    06392ad7dd4129ac0df78a50ab739cf3

  • SHA1

    dae35cd95be4580e16bddd39cb5eb885b5f7b603

  • SHA256

    9cd4436b2d8c15315938b0f07e0bdcabc3067bfabf058f78f7478b8b37694f9b

  • SHA512

    67e6d1b3119ad2f3b023520d3bc405a2308f63b85aa340e73c0399476bf1570fe63b7395cf5ef7fd3deae7a9e125129af59b1aef3e19bf2e0a22d3c855a6e78c

  • SSDEEP

    49152:oQZAdVyVT9n/Gg0P+WhodlbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8bU:BGdVyVT9nOgmhclbXsPN5kiQaZ56

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9cd4436b2d8c15315938b0f07e0bdcabc3067bfabf058f78f7478b8b37694f9b.exe
    "C:\Users\Admin\AppData\Local\Temp\9cd4436b2d8c15315938b0f07e0bdcabc3067bfabf058f78f7478b8b37694f9b.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\\svchost.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2356
      • 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\svchost.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2112
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2516
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2672
    • C:\Users\Admin\AppData\Local\Temp\HD_9cd4436b2d8c15315938b0f07e0bdcabc3067bfabf058f78f7478b8b37694f9b.exe
      C:\Users\Admin\AppData\Local\Temp\HD_9cd4436b2d8c15315938b0f07e0bdcabc3067bfabf058f78f7478b8b37694f9b.exe
      2⤵
      • Executes dropped EXE
      PID:2996
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.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:2828

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\HD_X.dat
    Filesize

    1.5MB

    MD5

    0d19b5a08c39e6ec6a5cffc18045f7a9

    SHA1

    8733b0351658308dca618bffb8d162c2dcea1c45

    SHA256

    ed8a8128a30ca578001f8f84583965295496aa438930eed93378e9dfe917dc49

    SHA512

    dd13725578f44fb274f8a072521570981c4e2ef898096884c980cacdb85982016b7373fb3471e0f7001eb64d6467ebf3155c63fd02462499cca27ac8011c760a

  • \Users\Admin\AppData\Local\Temp\HD_9cd4436b2d8c15315938b0f07e0bdcabc3067bfabf058f78f7478b8b37694f9b.exe
    Filesize

    3.1MB

    MD5

    fb083acd60fe5c3156dc25442be815e3

    SHA1

    61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

    SHA256

    f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

    SHA512

    7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

  • \Users\Admin\AppData\Local\Temp\svchos.exe
    Filesize

    93KB

    MD5

    3b377ad877a942ec9f60ea285f7119a2

    SHA1

    60b23987b20d913982f723ab375eef50fafa6c70

    SHA256

    62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

    SHA512

    af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

  • \Users\Admin\AppData\Local\Temp\svchost.exe
    Filesize

    377KB

    MD5

    a4329177954d4104005bce3020e5ef59

    SHA1

    23c29e295e2dbb8454012d619ca3f81e4c16e85a

    SHA256

    6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

    SHA512

    81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

  • \Windows\SysWOW64\259394734.txt
    Filesize

    50KB

    MD5

    b0167e941abdd623017a66a98768834c

    SHA1

    9eda602d6cab0af168f90be5132a59925f7cc27a

    SHA256

    8e402c8553aad71692adc8b448576f403c493bf2092aa918e6cc7db893deea59

    SHA512

    9a3eaaa122a87abf3356a2fc4573c099ec09c6c07d0adc21390345b80124ff105eae8a175f0492ce80888def7f256f5b9fa79f3b3caf63861ad2177f7bea7d79

  • memory/2356-7-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2356-12-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2356-8-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2356-5-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2484-18-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2484-27-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2828-35-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2828-38-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2828-46-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB