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Analysis

  • max time kernel
    151s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 11:01

General

  • Target

    97b41caf01bca53907503c11f1e4dad38ce19c1f2aa9fc499af878577d177c6a.exe

  • Size

    571KB

  • MD5

    11c24b76d0a15256a8fb81f838c4a060

  • SHA1

    edc4a4c15f7aec56ea418a6a0d3b447fc7a63977

  • SHA256

    97b41caf01bca53907503c11f1e4dad38ce19c1f2aa9fc499af878577d177c6a

  • SHA512

    d8d164c21b824742ca11ad17884a11d31a668b415a16719e2c16caa3849cca9cd0c66a7dca268c6ef7466c9f6a9cd00a7d888845713c6735210fda1d4852e1c3

  • SSDEEP

    6144:LGzRxSVtp0l6whGfsKR+zkBpTaa5tJH3qJH3Y:6t0VPFfsKAkrbPlalI

Malware Config

Signatures

  • Gh0st RAT payload 1 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 1 IoCs
  • UPX packed file 3 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97b41caf01bca53907503c11f1e4dad38ce19c1f2aa9fc499af878577d177c6a.exe
    "C:\Users\Admin\AppData\Local\Temp\97b41caf01bca53907503c11f1e4dad38ce19c1f2aa9fc499af878577d177c6a.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1592
    • \??\c:\Windows\(null)0.exe
      c:\Windows\(null)0.exe
      2⤵
      • Executes dropped EXE
      PID:940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\(null)0.exe

    Filesize

    571KB

    MD5

    95ce6724cd8fc022f7714c63503e55ff

    SHA1

    29fa92d1ae08b825f0bd959455346d36199a015f

    SHA256

    16e4e5bfa9c25f5c02fcc840c76a58d05bd4becec57887efdb5f4b87fa5990e8

    SHA512

    fcd6fae7d6a7fe6146f7a5f84a849b31bdca961c12cf57a6089739ab5642253c5b3a9001579fd7e89f5feb9e7f78cb100a3cd8eead2c164e73e9f13c06f24445

  • memory/940-59-0x0000000000400000-0x00000000004F0000-memory.dmp

    Filesize

    960KB

  • memory/1592-54-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

    Filesize

    8KB

  • memory/1592-55-0x0000000000400000-0x00000000004F0000-memory.dmp

    Filesize

    960KB

  • memory/1592-60-0x00000000023F0000-0x00000000024E0000-memory.dmp

    Filesize

    960KB

  • memory/1592-61-0x00000000023F0000-0x00000000024E0000-memory.dmp

    Filesize

    960KB