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Analysis

  • max time kernel
    117s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2025, 15:37

General

  • Target

    26c1bdfed569159ce8ade627e1ae7f49ac27735482e5e67956bc875e9ebe8a38N.dll

  • Size

    137KB

  • MD5

    6104d88fe032378df850355ad139cbd0

  • SHA1

    f0302259f1a1c23905a36127d744b426967b2023

  • SHA256

    26c1bdfed569159ce8ade627e1ae7f49ac27735482e5e67956bc875e9ebe8a38

  • SHA512

    633c328daf49778ad55a73df6be6c85fa7fd7eaa5629b9936642404867fe66bf1374e5d03a37dd8b3120b680cf8909b1c25928323054a150411955ea046fc28f

  • SSDEEP

    3072:8R02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuX:J25GgFny61mraZ

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.

  • 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\26c1bdfed569159ce8ade627e1ae7f49ac27735482e5e67956bc875e9ebe8a38N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\26c1bdfed569159ce8ade627e1ae7f49ac27735482e5e67956bc875e9ebe8a38N.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:748
      • 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:2220
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 616
        3⤵
        • Program crash
        PID:1484
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 748 -ip 748
    1⤵
      PID:2268
    • 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:3656

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\AppPatch\ComBack.Dll

      Filesize

      137KB

      MD5

      bc69e2d8ab51504d6d4c87bf7f31f647

      SHA1

      b750cd31038e29c56f00333f10e3e602712aa687

      SHA256

      f945a9f02771d5f429864384511132d85445b9b095ed2857ef4b866a16c613c5

      SHA512

      8a9f062554cc80b6a70d5d90444ee6768bd0f8591de5418e342acf1eb5fe3085ed90b3f53c05044910d610046ead5d14c9d9ab81a931b2d221db38afd316aa24

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

      Filesize

      127B

      MD5

      f801c584f5eb71f02867f3a0cbb059a9

      SHA1

      675a6de7f9778dd15d824d4a1acd7663ac508354

      SHA256

      d8132d18bcbe7b5d761bedda7cbbd1b2907ca2ca7a399806d7d07e56d9ee6849

      SHA512

      f12f16bd9d537cdf9b90f3331e0c4facda5f376f7836bcbcc4dae7f455324ef3dcd9a71862a27cd755b897ee5d43288137cb7a0f5ad42646bea819ea62eb8688

    • memory/748-13-0x0000000002EB0000-0x0000000002ECD000-memory.dmp

      Filesize

      116KB

    • memory/748-10-0x0000000002EB0000-0x0000000002ECD000-memory.dmp

      Filesize

      116KB

    • memory/748-14-0x0000000002EB0000-0x0000000002ECD000-memory.dmp

      Filesize

      116KB

    • memory/748-15-0x0000000002EB0000-0x0000000002ECD000-memory.dmp

      Filesize

      116KB

    • memory/748-6-0x0000000002EB0000-0x0000000002ECD000-memory.dmp

      Filesize

      116KB

    • memory/748-12-0x0000000002EB0000-0x0000000002ECD000-memory.dmp

      Filesize

      116KB

    • memory/748-34-0x0000000043E50000-0x0000000043E77000-memory.dmp

      Filesize

      156KB

    • memory/748-32-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/748-5-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/748-9-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/748-31-0x0000000002EB0000-0x0000000002ECD000-memory.dmp

      Filesize

      116KB

    • memory/2220-17-0x0000000000330000-0x0000000000353000-memory.dmp

      Filesize

      140KB

    • memory/2220-29-0x00000000009D0000-0x00000000009ED000-memory.dmp

      Filesize

      116KB

    • memory/2220-30-0x00000000009D0000-0x00000000009ED000-memory.dmp

      Filesize

      116KB

    • memory/2220-28-0x00000000009D0000-0x00000000009ED000-memory.dmp

      Filesize

      116KB

    • memory/2220-27-0x00000000009D0000-0x00000000009ED000-memory.dmp

      Filesize

      116KB

    • memory/2220-24-0x00000000009D0000-0x00000000009ED000-memory.dmp

      Filesize

      116KB

    • memory/2220-23-0x00000000009D0000-0x00000000009ED000-memory.dmp

      Filesize

      116KB

    • memory/2220-18-0x0000000000800000-0x0000000000827000-memory.dmp

      Filesize

      156KB

    • memory/2220-16-0x0000000000800000-0x0000000000827000-memory.dmp

      Filesize

      156KB

    • memory/2220-35-0x0000000000800000-0x0000000000827000-memory.dmp

      Filesize

      156KB