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Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30/05/2024, 08:49

General

  • Target

    1eaae465bda927c1893a5744301cde9b.exe

  • Size

    844KB

  • MD5

    1eaae465bda927c1893a5744301cde9b

  • SHA1

    6d5f62d54dda0a61f5f7a8b2cbbff86cf2ac2ae9

  • SHA256

    c297e02f804f7c95762ada2efb98866c6a509db4ace8bf06f95af3a41c8e702c

  • SHA512

    76a20258f1c43f620ad8f66916192c1a33c48ec2f4594107ad987088da3a500bff5ea5d3cd3954457aee09b2c44c36530cf00518398caf0c756f48b7b0aa7819

  • SSDEEP

    12288:VCQjgAtAHM+vetZxF5EWry8AJGy0/X+tMLNjG6pgt6cBUl48ij/ePdEkHwicLMdB:V5ZWs+OZVEWry8AFaNj5E6wUmx0pp

Score
10/10

Malware Config

Signatures

  • 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.

  • 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.

  • 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 Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Modifies data under HKEY_USERS 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1eaae465bda927c1893a5744301cde9b.exe
    "C:\Users\Admin\AppData\Local\Temp\1eaae465bda927c1893a5744301cde9b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Users\csrss.exe
      "C:\Users\csrss.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3036
      • C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
        "C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2920
  • C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
    "C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
      "C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2448-65-0x0000000000400000-0x0000000000863000-memory.dmp

    Filesize

    4.4MB

  • memory/2448-64-0x0000000010000000-0x0000000010362000-memory.dmp

    Filesize

    3.4MB

  • memory/2448-63-0x0000000010000000-0x0000000010362000-memory.dmp

    Filesize

    3.4MB

  • memory/2448-62-0x0000000010000000-0x0000000010362000-memory.dmp

    Filesize

    3.4MB

  • memory/2520-54-0x0000000000400000-0x0000000000863000-memory.dmp

    Filesize

    4.4MB

  • memory/2920-42-0x0000000000400000-0x0000000000863000-memory.dmp

    Filesize

    4.4MB

  • memory/2920-51-0x0000000000400000-0x0000000000863000-memory.dmp

    Filesize

    4.4MB

  • memory/2920-40-0x0000000010000000-0x0000000010362000-memory.dmp

    Filesize

    3.4MB

  • memory/2920-41-0x0000000010000000-0x0000000010362000-memory.dmp

    Filesize

    3.4MB

  • memory/2920-37-0x0000000010000000-0x0000000010362000-memory.dmp

    Filesize

    3.4MB

  • memory/3036-20-0x0000000000400000-0x0000000000863000-memory.dmp

    Filesize

    4.4MB

  • memory/3036-34-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/3036-35-0x0000000000400000-0x0000000000863000-memory.dmp

    Filesize

    4.4MB

  • memory/3036-22-0x0000000010000000-0x0000000010362000-memory.dmp

    Filesize

    3.4MB

  • memory/3036-21-0x0000000010000000-0x0000000010362000-memory.dmp

    Filesize

    3.4MB

  • memory/3036-14-0x00000000002D0000-0x00000000003D0000-memory.dmp

    Filesize

    1024KB

  • memory/3036-17-0x0000000010000000-0x0000000010362000-memory.dmp

    Filesize

    3.4MB

  • memory/3036-15-0x0000000002000000-0x0000000002061000-memory.dmp

    Filesize

    388KB

  • memory/3036-16-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB