Analysis

  • max time kernel
    152s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    20-06-2024 03:29

General

  • Target

    b154a0a52d90c2cf9517717895dbe134494c7582d34a4fa1a56aba2f629cf810.exe

  • Size

    3.9MB

  • MD5

    9b60e3cb6db844200ec361d319bce19a

  • SHA1

    1b2cbb2a82b6d85655888084c70a3fbf6d060db4

  • SHA256

    b154a0a52d90c2cf9517717895dbe134494c7582d34a4fa1a56aba2f629cf810

  • SHA512

    11d7f6b69e3cdc49d14408d939883dc409554827534350aec04f97c0905436de3c6985f4dc542f1e872654bd9c08b9edb3bc33598499142dd9a8dcce6cfbf045

  • SSDEEP

    49152:FCwsbCANnKXferL7Vwe/Gg0P+WhawEgR7hzWJm8:Yws2ANnKXOaeOgmhdEgNhyx

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.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • 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
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 8 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in System32 directory 6 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 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b154a0a52d90c2cf9517717895dbe134494c7582d34a4fa1a56aba2f629cf810.exe
    "C:\Users\Admin\AppData\Local\Temp\b154a0a52d90c2cf9517717895dbe134494c7582d34a4fa1a56aba2f629cf810.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2556
    • 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:3044
      • 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:3032
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1336
    • C:\Users\Admin\AppData\Local\Temp\HD_b154a0a52d90c2cf9517717895dbe134494c7582d34a4fa1a56aba2f629cf810.exe
      C:\Users\Admin\AppData\Local\Temp\HD_b154a0a52d90c2cf9517717895dbe134494c7582d34a4fa1a56aba2f629cf810.exe
      2⤵
      • Executes dropped EXE
      PID:2472
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3004
    • 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:2612
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259423141.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:900
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2856
      • 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:2632

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Server Software Component

    1
    T1505

    Terminal Services DLL

    1
    T1505.005

    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

      2.5MB

      MD5

      b2fef11cf1136b832f5ec58a50b57eb8

      SHA1

      f306d0a9d223c1e425074bfad92571c0c309288a

      SHA256

      897cf6db26a3ff14a3e85c0c050844cb87dd083028c8c84313a1da3595da2329

      SHA512

      8c781ed370149c988359bc23fff44651221555aa1d549475b974d7aebbf354654a6680c6cb48be672f7413bdb25572c83e0fa2ae099e992dc02dc5836d57f306

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

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • \Users\Admin\AppData\Local\Temp\HD_b154a0a52d90c2cf9517717895dbe134494c7582d34a4fa1a56aba2f629cf810.exe
      Filesize

      1.5MB

      MD5

      0baeac29996d82b96e7599e8ffb35376

      SHA1

      647154e3e84cfb3160cacef05137d61a70329189

      SHA256

      0ddb31c14fa6ec35e0caaf85f23423d3dc33fb30d6dfdcb7361694de4d7e2ad9

      SHA512

      a0f578e269cae62732e90647fa0c51225a8db6859f73c2db0e44cd91a1beb2676899239dba7d826976436148773e79f2ce92feb817520c9f7ca8a0ab3ea65615

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

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

    • \Windows\SysWOW64\259423141.txt
      Filesize

      899KB

      MD5

      4258369d19d66bc9c08ce2e98f9ccdec

      SHA1

      ccf3c06ea3595eb606e6623d8b328cfaf831f13d

      SHA256

      e6e714e2ab5cb4bfdf968b75e6140082cff5a904914b655354d47cf70b2c217d

      SHA512

      c804f383ca73d2764c6fe281918d64089bb08ba7c04b70885e4d573b95c30d7864a179d8cff65190e08a04e77e5897eeb02f0a905433b120112152289a3a7770

    • \Windows\SysWOW64\Remote Data.exe
      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2472-50-0x0000000000D70000-0x0000000000EE6000-memory.dmp
      Filesize

      1.5MB

    • memory/2632-49-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2632-48-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2632-43-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/3044-20-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/3044-21-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/3044-19-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB