Analysis

  • max time kernel
    121s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 13:54

General

  • Target

    0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe

  • Size

    1.4MB

  • MD5

    ae6a1280743efe069b752257c809c248

  • SHA1

    569f58679426b54952f2fa5e8c17565942d08ba1

  • SHA256

    0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3

  • SHA512

    14b6676f53e537742685bede083aa2b7910a7f6a46b0597b88ca03ec18d9a3e7561cfbe608dd9230a54da125e9af4e6f3f91e4785bcec1e80698913f0204afcb

  • SSDEEP

    24576:n39WkOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN:39qHPkVOBTK

Malware Config

Signatures

  • Detect PurpleFox Rootkit 2 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 2 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Gh0strat family
  • PurpleFox

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

  • Purplefox family
  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 12 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe
    "C:\Users\Admin\AppData\Local\Temp\0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2376
    • 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\0FCD66~1.EXE > nul
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2956
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2740
  • C:\Windows\SysWOW64\Mnfvn.exe
    C:\Windows\SysWOW64\Mnfvn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Windows\SysWOW64\Mnfvn.exe
      C:\Windows\SysWOW64\Mnfvn.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Mnfvn.exe

    Filesize

    1.4MB

    MD5

    ae6a1280743efe069b752257c809c248

    SHA1

    569f58679426b54952f2fa5e8c17565942d08ba1

    SHA256

    0fcd663751043d6a00c38c55d0afc5641257870079349ecce877369b918d61c3

    SHA512

    14b6676f53e537742685bede083aa2b7910a7f6a46b0597b88ca03ec18d9a3e7561cfbe608dd9230a54da125e9af4e6f3f91e4785bcec1e80698913f0204afcb

  • memory/2376-0-0x0000000000400000-0x0000000000580000-memory.dmp

    Filesize

    1.5MB

  • memory/2376-1-0x0000000010000000-0x000000001019F000-memory.dmp

    Filesize

    1.6MB

  • memory/2896-20-0x0000000000400000-0x0000000000580000-memory.dmp

    Filesize

    1.5MB

  • memory/2896-21-0x0000000010000000-0x000000001019F000-memory.dmp

    Filesize

    1.6MB