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Analysis

  • max time kernel
    149s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 17:30

General

  • Target

    4809eb31780117099ca2c2672571db362cd589a74a29d1b6bc08f7780053c15c.exe

  • Size

    754KB

  • MD5

    82abb62490052752f815c104af6d63e2

  • SHA1

    051f8f8f421c988375305a445c737b587c7c5535

  • SHA256

    4809eb31780117099ca2c2672571db362cd589a74a29d1b6bc08f7780053c15c

  • SHA512

    8f492bf54dca92e5ff893f42c9f0a73583620092972264f5bd1c0a753f8e96d5d28dfb4c44feeeef296bc2ab4c94d99ba17c586f0a3aa28ace07332fcdc8b13e

  • SSDEEP

    12288:qZ9V/Vw4Zc6bjcCPkLU3DcEMbIKOPBhIfnrJYXMcQ/BYfUocX5AsCes5OFlZboZQ:qvV/nc6sSko3DcfIKOJh+n9Y05gUocpi

Malware Config

Signatures

  • Gh0st RAT payload 3 IoCs
  • Gh0strat

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

  • Modifies Installed Components in the registry 2 TTPs 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 1 IoCs
  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4809eb31780117099ca2c2672571db362cd589a74a29d1b6bc08f7780053c15c.exe
    "C:\Users\Admin\AppData\Local\Temp\4809eb31780117099ca2c2672571db362cd589a74a29d1b6bc08f7780053c15c.exe"
    1⤵
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Windows\SysWOW64\userinit.exe
      userinit.exe
      2⤵
      • Modifies Installed Components in the registry
      • Loads dropped DLL
      PID:2040

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7081790_lang.dll

    Filesize

    114KB

    MD5

    c73df762965b58faadcb0db875ffe662

    SHA1

    82e72b60dec32ba6f8636485d58be11610d9b140

    SHA256

    00673e9b0d5a5a8920363b847a42d4e0e9e9fa9deddfaf0aa9117b9b92968cbc

    SHA512

    78e0ccce88b3673d825544cf764e576551d946ea4955f6003ac5fee26d819511fb2d1341469f81525823c7627ceb97970823f47521d08cf261cf9abb268557fc

  • \Users\Admin\AppData\Local\Temp\7081790_lang.dll

    Filesize

    114KB

    MD5

    c73df762965b58faadcb0db875ffe662

    SHA1

    82e72b60dec32ba6f8636485d58be11610d9b140

    SHA256

    00673e9b0d5a5a8920363b847a42d4e0e9e9fa9deddfaf0aa9117b9b92968cbc

    SHA512

    78e0ccce88b3673d825544cf764e576551d946ea4955f6003ac5fee26d819511fb2d1341469f81525823c7627ceb97970823f47521d08cf261cf9abb268557fc

  • memory/1596-54-0x0000000074C91000-0x0000000074C93000-memory.dmp

    Filesize

    8KB

  • memory/1596-57-0x0000000000B10000-0x0000000000CAB000-memory.dmp

    Filesize

    1.6MB

  • memory/1596-58-0x0000000000400000-0x000000000059B000-memory.dmp

    Filesize

    1.6MB