Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 16:58

General

  • Target

    ab7964ad3e3d116444fb6be1f8728c395e467b69b737965e86742ee9a2f82e71.exe

  • Size

    3.0MB

  • MD5

    3c8dc14ba11ae3a079505d7ce63299ac

  • SHA1

    6a2356e94faa9d94e90820c758c1a8731ed9219b

  • SHA256

    ab7964ad3e3d116444fb6be1f8728c395e467b69b737965e86742ee9a2f82e71

  • SHA512

    6dcd5e99be55779a192ec65bb773547b21fd50e62a6f16159aabc2b526f04a6ae83eae8245400e6fa1708249ff54d8a1bf77c0697a3c49658010ae3de423c85f

  • SSDEEP

    49152:j09XJt4HIN2H2tFvduySbgHuBu/zUUQXvboiCMQeX54Bf:wZJt4HINy2LkE8SiNK

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox 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.

  • 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 4 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in System32 directory 2 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab7964ad3e3d116444fb6be1f8728c395e467b69b737965e86742ee9a2f82e71.exe
    "C:\Users\Admin\AppData\Local\Temp\ab7964ad3e3d116444fb6be1f8728c395e467b69b737965e86742ee9a2f82e71.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Users\Admin\AppData\Local\Temp\RVN.exe
      C:\Users\Admin\AppData\Local\Temp\\RVN.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:836
      • 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\RVN.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2636
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1916
    • C:\Users\Admin\AppData\Local\Temp\HD_ab7964ad3e3d116444fb6be1f8728c395e467b69b737965e86742ee9a2f82e71.exe
      C:\Users\Admin\AppData\Local\Temp\HD_ab7964ad3e3d116444fb6be1f8728c395e467b69b737965e86742ee9a2f82e71.exe
      2⤵
      • Executes dropped EXE
      PID:2696
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3016
    • 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:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1.4MB

    MD5

    ab58828ed72ff670dd3b9b7993bb132f

    SHA1

    d105cdf120cf336e79a33d2ecc91ee3aba86bcc4

    SHA256

    1048f91f151b266cdb67296c3b89c16f58212bff23bf5b8b31184ed912440b15

    SHA512

    dcc3f9b626dfbf3e2afefd8c9f4ced183dcca6b693bd9650841459b65a099339a08b58d45753c149c00b5a0c58f7aa31d6a48f0181dd1a422936e437913328f9

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

    Filesize

    377KB

    MD5

    80ade1893dec9cab7f2e63538a464fcc

    SHA1

    c06614da33a65eddb506db00a124a3fc3f5be02e

    SHA256

    57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

    SHA512

    fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

  • \Users\Admin\AppData\Local\Temp\HD_ab7964ad3e3d116444fb6be1f8728c395e467b69b737965e86742ee9a2f82e71.exe

    Filesize

    1.6MB

    MD5

    1611a7dda9df7a034c8221b80975e08f

    SHA1

    526190bb41ef2b4ec2f56e455d92bc088881b8bd

    SHA256

    bb0c0802f48d77f4bcbda80d86f7b66e59e0e6672944414d11128ee907b4c505

    SHA512

    975c18a800a90541fa53442d491235f15065af0b6580983018f0cabdcaff93190700a9117fb62a336018bbcb25bc3ed26a9977a34174b248a957cc85cca91083

  • memory/836-5-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/836-8-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/836-9-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/836-7-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2740-44-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2740-68-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2740-70-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/3016-18-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/3016-32-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB