Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/03/2025, 11:35

General

  • Target

    7f431f72b95114125ba0ef9c59906ff5288178dafa667.dll

  • Size

    224KB

  • MD5

    9485b8cb4d81dd009864b1b9787ef7d8

  • SHA1

    50f7ad7a4fef7b43eb189575a9b5b089bc83118b

  • SHA256

    7f431f72b95114125ba0ef9c59906ff5288178dafa6673af0ae868c1fcc0faca

  • SHA512

    dcc7bd8bb9bc47f16b2348f6e149f41f87543c5fcabab3b56304e2e8992b0da7ccde65de8661d305304dc478cf84682c18b871c7f6ea31606b020aa4cdef68f6

  • SSDEEP

    3072:MdQo6wtIptugitFof9zCPc4Mj77IxZa39TtsAneb/eZJH3tt4TSOB3c7TLby:iQoPIHi0zYOj77aZQ10/6JHzWSOBay

Score
10/10

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.

  • Gh0strat family
  • Blocklisted process makes network request 1 IoCs
  • Loads dropped DLL 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies data under HKEY_USERS 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f431f72b95114125ba0ef9c59906ff5288178dafa667.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f431f72b95114125ba0ef9c59906ff5288178dafa667.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2664
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k imgsvc
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Windows\TEMP\sysw.jpg", FineView
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\users\admin\appdata\local\temp\sysw.jpg

    Filesize

    224KB

    MD5

    9485b8cb4d81dd009864b1b9787ef7d8

    SHA1

    50f7ad7a4fef7b43eb189575a9b5b089bc83118b

    SHA256

    7f431f72b95114125ba0ef9c59906ff5288178dafa6673af0ae868c1fcc0faca

    SHA512

    dcc7bd8bb9bc47f16b2348f6e149f41f87543c5fcabab3b56304e2e8992b0da7ccde65de8661d305304dc478cf84682c18b871c7f6ea31606b020aa4cdef68f6