Analysis

  • max time kernel
    116s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2024 11:41

General

  • Target

    246c6ae2cd80e7f094414177fd7d24fe94005cdd4a52f116e3645ab68863620dN.dll

  • Size

    137KB

  • MD5

    0da72c05d3b22e39d88018f37b59bc90

  • SHA1

    9d48a15eb10793523a84df18cb99b811c2d9389a

  • SHA256

    246c6ae2cd80e7f094414177fd7d24fe94005cdd4a52f116e3645ab68863620d

  • SHA512

    b63a6e00750730936bb4b1c28f1888d210e0f66ee8c4010cc8d55618954ae2c692094bd163d7353b0b49a0a71b1dac002a89498da355fd6e9d4208cc78bb7d43

  • SSDEEP

    3072:IR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuT:d25GgFny61mra1

Malware Config

Signatures

  • Gh0st RAT payload 4 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
  • Boot or Logon Autostart Execution: Port Monitors 1 TTPs 16 IoCs

    Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

  • Sets service image path in registry 2 TTPs 2 IoCs
  • ACProtect 1.3x - 1.4x DLL software 16 IoCs

    Detects file using ACProtect software.

  • Drops file in System32 directory 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 12 IoCs

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

  • Modifies data under HKEY_USERS 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\246c6ae2cd80e7f094414177fd7d24fe94005cdd4a52f116e3645ab68863620dN.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3088
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\246c6ae2cd80e7f094414177fd7d24fe94005cdd4a52f116e3645ab68863620dN.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Boot or Logon Autostart Execution: Port Monitors
      • Sets service image path in registry
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3948
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe -k rundll32
        3⤵
        • Boot or Logon Autostart Execution: Port Monitors
        • Sets service image path in registry
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1656
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 616
        3⤵
        • Program crash
        PID:4440
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3948 -ip 3948
    1⤵
      PID:3940
    • C:\Windows\system32\Spoolsv.exe
      Spoolsv.exe
      1⤵
      • Boot or Logon Autostart Execution: Port Monitors
      • Checks SCSI registry key(s)
      • Modifies data under HKEY_USERS
      PID:780

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\AppPatch\ComBack.Dll

      Filesize

      137KB

      MD5

      203f26e0febac026957e3c2626dc9b70

      SHA1

      ee3eb20643c96cbc30e340e7fb28749470f58dae

      SHA256

      ee51b4c413f7ad3564a30f6021d16351e495d01b083483490832d18363843903

      SHA512

      d615642ddc1ba905d05b3d7105d44847d621f2740af13c9221cb2fc51d28924c85ac8025e8f9b0c8ae43c3a913db3a91d3b54fdebcc26a000bdc43ae7020176d

    • C:\Windows\SysWOW64\com\comb.dll

      Filesize

      128B

      MD5

      ac90cdceaeff039787e8b36b43918e1b

      SHA1

      701f6e2158e99dd167cadb85bf9d76ed53a30cdd

      SHA256

      5e7ad71fd23e15155c30db84957cd4409a970c898a509abd89b1ab509980caaf

      SHA512

      765b0d81321e9733f307259f23e3c2ffe500e80874d3107624f1764a74ce912c02436e8941564216e823c8d9b14044c2f71eb900659332123e90a5c160228281

    • memory/1656-29-0x0000000002B10000-0x0000000002B2D000-memory.dmp

      Filesize

      116KB

    • memory/1656-24-0x0000000002B10000-0x0000000002B2D000-memory.dmp

      Filesize

      116KB

    • memory/1656-31-0x00000000007C0000-0x00000000007E7000-memory.dmp

      Filesize

      156KB

    • memory/1656-18-0x00000000007C0000-0x00000000007E7000-memory.dmp

      Filesize

      156KB

    • memory/1656-17-0x00000000006F0000-0x0000000000713000-memory.dmp

      Filesize

      140KB

    • memory/1656-15-0x00000000007C0000-0x00000000007E7000-memory.dmp

      Filesize

      156KB

    • memory/1656-25-0x0000000002B10000-0x0000000002B2D000-memory.dmp

      Filesize

      116KB

    • memory/1656-27-0x0000000002B10000-0x0000000002B2D000-memory.dmp

      Filesize

      116KB

    • memory/1656-28-0x0000000002B10000-0x0000000002B2D000-memory.dmp

      Filesize

      116KB

    • memory/1656-30-0x0000000002B10000-0x0000000002B2D000-memory.dmp

      Filesize

      116KB

    • memory/3948-12-0x0000000000C30000-0x0000000000C4D000-memory.dmp

      Filesize

      116KB

    • memory/3948-5-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/3948-7-0x0000000000C30000-0x0000000000C4D000-memory.dmp

      Filesize

      116KB

    • memory/3948-4-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/3948-10-0x0000000000C30000-0x0000000000C4D000-memory.dmp

      Filesize

      116KB

    • memory/3948-6-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/3948-13-0x0000000000C30000-0x0000000000C4D000-memory.dmp

      Filesize

      116KB

    • memory/3948-14-0x0000000000C30000-0x0000000000C4D000-memory.dmp

      Filesize

      116KB

    • memory/3948-16-0x0000000000C30000-0x0000000000C4D000-memory.dmp

      Filesize

      116KB

    • memory/3948-36-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/3948-35-0x0000000043E50000-0x0000000043E77000-memory.dmp

      Filesize

      156KB