Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 16:08

General

  • Target

    882799c1ca14012be39d607932eca1e51a6cff2135f1d9899fab9e62f550b92c.exe

  • Size

    3.9MB

  • MD5

    c896ca4fb835d859e359e4d5fd3d7a1c

  • SHA1

    4f1351772a8e3cf8790fa11b914e768066b742ee

  • SHA256

    882799c1ca14012be39d607932eca1e51a6cff2135f1d9899fab9e62f550b92c

  • SHA512

    883012d2334c7583306dedb74209141a611203a652e3f8a26070bd5f6d78061cfd956394930da97ae0d2af288d4376793d5348f46cade162d277dda6d699440b

  • SSDEEP

    49152:tCwsbCANnKXferL7Vwe/Gg0P+WhpbBffbKIcFN48SMW1aMNwt:Qws2ANnKXOaeOgmhRhVcFG8SM28t

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
  • 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 29 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 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\882799c1ca14012be39d607932eca1e51a6cff2135f1d9899fab9e62f550b92c.exe
    "C:\Users\Admin\AppData\Local\Temp\882799c1ca14012be39d607932eca1e51a6cff2135f1d9899fab9e62f550b92c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1708
    • 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:1664
    • 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:2088
      • 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:2644
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2476
    • C:\Users\Admin\AppData\Local\Temp\HD_882799c1ca14012be39d607932eca1e51a6cff2135f1d9899fab9e62f550b92c.exe
      C:\Users\Admin\AppData\Local\Temp\HD_882799c1ca14012be39d607932eca1e51a6cff2135f1d9899fab9e62f550b92c.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2552
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2236
    • 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:2484
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259400381.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1328
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2732
      • 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:2016

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2.4MB

      MD5

      e7833fdf83dbb59f45981052ccdc1a45

      SHA1

      07ee4f7c12792908cf7669f5d000908791d2ac0a

      SHA256

      bf26a6ef20663f90bfa19d2cae7833786dc3f33b7473aaa17efa814c26e37ce1

      SHA512

      a8eb22e133dac7d704292bcbe62173e0f3f2f3ad399669c2c5fce335ebb14d7defa8b02aae5390ad12100f156eb66e1275f21d6427ea33a864e274bf11216374

    • \Users\Admin\AppData\Local\Temp\HD_882799c1ca14012be39d607932eca1e51a6cff2135f1d9899fab9e62f550b92c.exe
      Filesize

      1.5MB

      MD5

      0609e05259f6cce23b622a84e0fe8d5e

      SHA1

      62cd065e8b37a6f27a1ebfc69b19d0f5150b9142

      SHA256

      23dd34d16c7591f958b0de07043c9be99c7a9303c5c529581d5925c3f601da0b

      SHA512

      b2ed0f00aa11faaf45fe81514a95e0e299f4f331855c8be9d2fc36705915a878d163fccd8529dc9e7d9f9d2daed059589218539dcd5319394c6d50955ad46e46

    • \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\259400381.txt
      Filesize

      899KB

      MD5

      7ed59e03db6ea97fd514e2a36ad01ec2

      SHA1

      c8f9b0cf335ea866aba16c8f5bf773975b4a56df

      SHA256

      01a140862dd448689752017bdfb91150f8a6bcef69488ce844dd3a212598add7

      SHA512

      5d91f0b0e7b006daa54cdcd5e18f4df970a87b43b3c6c4721b5628cc1634b3db03f90491ddd6be943bd573a2b93ebb0202b220378083dc028e2f84597a837bee

    • \Windows\SysWOW64\Remote Data.exe
      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2016-96-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2016-41-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2016-49-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2088-18-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2088-20-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2088-21-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2552-83-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-68-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-85-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-89-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-91-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-81-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-79-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-77-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-75-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-73-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-70-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-87-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-66-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-64-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-62-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-60-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-58-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-56-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-54-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-53-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-51-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-93-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2552-95-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB