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Analysis

  • max time kernel
    156s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 14:05

General

  • Target

    17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe

  • Size

    691KB

  • MD5

    2d983b47cbae7d27f46c829ca98cb7d0

  • SHA1

    a3dd8cde57480ec3439fd1e72a630fc1128cec84

  • SHA256

    17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369

  • SHA512

    502f1b384f61f0cf36baa168334e04ac55fadb1b7fab438a4f3036e091152770f2ecbadb94ff78ab01b11efc6a70a5ceb7b5eabb620494aa9fac0d0deac5105b

  • SSDEEP

    6144:QGzRxSVtp0l6whGfsKR+zkBpTaa5tJH7cHANUTNhGl:jt0VPFfsKAkrbPl7cHANUTNhGl

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 4 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\17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe
    "C:\Users\Admin\AppData\Local\Temp\17d4ff5d2e4475acb3f934b7618eb2fbabbd985ad4bdb8a78a73519776173369.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1988
    • \??\c:\Windows\(null)0.exe
      c:\Windows\(null)0.exe
      2⤵
      • Executes dropped EXE
      PID:1712

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\(null)0.exe

    Filesize

    691KB

    MD5

    9075bf15259721dddcd8913ba7fe433f

    SHA1

    b096c43add8f0ace6dbb16ff9f02e6a63b2dcc95

    SHA256

    801b99bbee64148b23d198a3d811e7841a0f0841eb4c18293e654e3474d6416e

    SHA512

    e5f0bae168a4e3d68a6de8908b6c1068e1c69ff904fcc41786154847b9cb5ac7cf19bf8ef6994531fe1d2308d5cad04a184c7ba8930c6dbafde621ac2f980788

  • memory/1712-60-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/1988-54-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/1988-55-0x0000000075A91000-0x0000000075A93000-memory.dmp

    Filesize

    8KB

  • memory/1988-56-0x0000000002570000-0x0000000002661000-memory.dmp

    Filesize

    964KB