Analysis

  • max time kernel
    159s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2022 18:34

General

  • Target

    06525df1ba0a8ef25cedd5e010b062eea40a40c3c9862f51afdbc3b2b23f5a66.exe

  • Size

    967KB

  • MD5

    245d2cec5bb0f3cb375028c72ef684f0

  • SHA1

    e4030d976f994697dd482fdae62258b55b0c3eed

  • SHA256

    06525df1ba0a8ef25cedd5e010b062eea40a40c3c9862f51afdbc3b2b23f5a66

  • SHA512

    59658b4db272d15b4680f6546168f72ea34c7125e45fa91b0694443cb020f1fe2fb92e88e01ca545cc2ccb1420aa208fee4019436a3c9c0947a04a8465e04a59

  • SSDEEP

    24576:gRmJkcoQricOIQxiZY1iavReA7pZk0/arYy:VJZoQrbTFZY1iavRtpTcYy

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:321

Mutex

DC_MUTEX-R0X7EMW

Attributes
  • gencode

    8wq0x7iUlHMN

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06525df1ba0a8ef25cedd5e010b062eea40a40c3c9862f51afdbc3b2b23f5a66.exe
    "C:\Users\Admin\AppData\Local\Temp\06525df1ba0a8ef25cedd5e010b062eea40a40c3c9862f51afdbc3b2b23f5a66.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Users\Admin\AppData\Local\Temp\06525df1ba0a8ef25cedd5e010b062eea40a40c3c9862f51afdbc3b2b23f5a66.exe
      "C:\Users\Admin\AppData\Local\Temp\06525df1ba0a8ef25cedd5e010b062eea40a40c3c9862f51afdbc3b2b23f5a66.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5076
      • C:\Users\Admin\AppData\Local\Temp\06525df1ba0a8ef25cedd5e010b062eea40a40c3c9862f51afdbc3b2b23f5a66.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3140

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3140-137-0x0000000000000000-mapping.dmp
  • memory/3140-138-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/3140-139-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/3140-140-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/3140-141-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/3140-143-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/3140-144-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/5076-132-0x0000000000000000-mapping.dmp
  • memory/5076-133-0x0000000000400000-0x0000000000405000-memory.dmp
    Filesize

    20KB

  • memory/5076-142-0x0000000000400000-0x0000000000405000-memory.dmp
    Filesize

    20KB