Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 16:01

General

  • Target

    4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe

  • Size

    2.9MB

  • MD5

    6ace6a45d7d7163b973bb893702234a1

  • SHA1

    cb91448290fcb8d099d3cefc6b1b5554dc778038

  • SHA256

    4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d

  • SHA512

    e05c49189a5b70fa715fc0fe56e586a00de5836ef37a96ac0e0d4713e0c7ce09f7b9764a8af7075b84417ad1b29997bcee2bbd308c1772595e0e211fb75e4241

  • SSDEEP

    49152:UCwsbCANnKXferL7Vwe/Gg0P+WhSGdcFK:3ws2ANnKXOaeOgmhSGd

Malware Config

Signatures

  • Detect PurpleFox Rootkit 6 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 7 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 DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 9 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • 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 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe
    "C:\Users\Admin\AppData\Local\Temp\4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:1500
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2924
      • 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\N.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2472
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2840
    • C:\Users\Admin\AppData\Local\Temp\HD_4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe
      C:\Users\Admin\AppData\Local\Temp\HD_4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe
      2⤵
      • Executes dropped EXE
      PID:2416
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2136
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259426074.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2332
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.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:2388

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_4d547b22e98285a235783a675cd95aca397cb1a99973c0d25f2fd55def2c931d.exe
      Filesize

      420KB

      MD5

      bb21fcf06007534eef2520e08aded19b

      SHA1

      067cf5715cdc58f39f65bfa0a7710f9ee950e43a

      SHA256

      752310af5ab65135a790644c2311d0ba1114cfd4587a137d2ae0944ed7415edc

      SHA512

      0c21d9aef9bc0acd94d7328bd0653b18012e0ca7d8645e4d6ff80af1a60b2b91f947bd1ed7292d912da3d48f57620fa53efca842f422fb734a780ff6585523b5

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

      2.5MB

      MD5

      fb0c5ba935dcb806d92b1a2518ae0b60

      SHA1

      1ad998b5c9e31ed95bb2df3acf191bd0069e38cf

      SHA256

      0606549c4058ca956aec0a1cfae41d2635d0d6b8e81c427e7923df16f5feebe0

      SHA512

      dbd5914b08af885e60506f790a7d5ecf1d2653d7cbca8cebf2fcb306a5b6bade262ce8ac55e2b0d983547290bda67c6f61352fd1bc4aaa665bd06855a1dbe19c

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

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • \Windows\SysWOW64\259426074.txt
      Filesize

      899KB

      MD5

      930b00702692903ceb645b97920efb58

      SHA1

      d9e1ab1914b64835d7108a902980e85b0f812e06

      SHA256

      7a9399957412e5b5743154e44a838d1cddd9e8f366417ceab2ba6c1bc3229714

      SHA512

      ce0aeb10bd06ae9751a960cd6a8025e87ee554cad9e11cf019758591324b444321b5a2de90396d96c53113a3efa4cea4d748db2f22e55feef059ee97db2d86ce

    • \Windows\SysWOW64\Remote Data.exe
      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2388-37-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2388-38-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2388-39-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2388-35-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2388-52-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2924-18-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2924-21-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2924-20-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB