Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2024 02:17

General

  • Target

    86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe

  • Size

    292KB

  • MD5

    08a59e2c9ffb12836ab61cd45d1470fa

  • SHA1

    4c5a205e220f3d75c45186c365f6c5d02a19c218

  • SHA256

    86be02a8682e584e135380d6e0fc60cf6ae80417cc195bb2c02c1af1b51fe438

  • SHA512

    bea8ddb4699b3397d4ca2487b64ec5e6ba5d9b26958d3c77c78b03bb23b9ba03ed025accc8e69d54c7f31196d6c8de9dd813e1a488927336fb75cd9e1a1c8990

  • SSDEEP

    6144:KtOdwLgxbcvr0x0ssTh0ZfjL4UVLpKb0p0KKAo+6k8sEXO3nRqflm:kOdwLgFFLW0ZL7jKYaKKAoBkx4O3RqN

Malware Config

Extracted

Family

darkcomet

Botnet

jhgjlg

C2

bonda7678.ddns.net:7678

Mutex

DCMIN_MUTEX-P1E7YQD

Attributes
  • gencode

    xh9S271HqNkk

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 8 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe
    "C:\Users\Admin\AppData\Local\Temp\86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3148
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'chome_exe';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'chome_exe' -Value 'C:\Users\Admin\AppData\Roaming\HWMonitor\sjruau mmlkqac.exe' -PropertyType 'String'
      2⤵
      • Adds Run key to start application
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3476
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fy41daag.ujq.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3148-15-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3148-3-0x0000000007AF0000-0x0000000008094000-memory.dmp

    Filesize

    5.6MB

  • memory/3148-1-0x0000000000580000-0x00000000005CE000-memory.dmp

    Filesize

    312KB

  • memory/3148-4-0x0000000007540000-0x00000000075D2000-memory.dmp

    Filesize

    584KB

  • memory/3148-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/3148-6-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3148-7-0x0000000005160000-0x000000000516A000-memory.dmp

    Filesize

    40KB

  • memory/3148-2-0x0000000004F10000-0x0000000004F60000-memory.dmp

    Filesize

    320KB

  • memory/3148-8-0x0000000005170000-0x00000000051B4000-memory.dmp

    Filesize

    272KB

  • memory/3148-5-0x00000000028A0000-0x00000000028A6000-memory.dmp

    Filesize

    24KB

  • memory/3476-17-0x00000000054F0000-0x0000000005B18000-memory.dmp

    Filesize

    6.2MB

  • memory/3476-20-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

    Filesize

    64KB

  • memory/3476-39-0x0000000007390000-0x0000000007426000-memory.dmp

    Filesize

    600KB

  • memory/3476-12-0x0000000002A70000-0x0000000002AA6000-memory.dmp

    Filesize

    216KB

  • memory/3476-44-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3476-18-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3476-21-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

    Filesize

    64KB

  • memory/3476-37-0x0000000006380000-0x000000000639E000-memory.dmp

    Filesize

    120KB

  • memory/3476-26-0x0000000005D00000-0x0000000005D66000-memory.dmp

    Filesize

    408KB

  • memory/3476-25-0x0000000005C90000-0x0000000005CF6000-memory.dmp

    Filesize

    408KB

  • memory/3476-40-0x0000000006870000-0x000000000688A000-memory.dmp

    Filesize

    104KB

  • memory/3476-24-0x00000000054B0000-0x00000000054D2000-memory.dmp

    Filesize

    136KB

  • memory/3476-41-0x00000000068D0000-0x00000000068F2000-memory.dmp

    Filesize

    136KB

  • memory/3476-38-0x00000000064B0000-0x00000000064FC000-memory.dmp

    Filesize

    304KB

  • memory/3476-36-0x0000000005D70000-0x00000000060C4000-memory.dmp

    Filesize

    3.3MB

  • memory/3636-16-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3636-22-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3636-19-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3636-23-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3636-14-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3636-13-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3636-10-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3636-45-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB