Overview

overview

10

Static

static

3

53f9da2780...ef.exe

windows7-x64

10

53f9da2780...ef.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2024 16:11

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General

  • Target

    53f9da2780b6f5a90cfa960a7ba80eef.exe

  • Size

    1.3MB

  • MD5

    53f9da2780b6f5a90cfa960a7ba80eef

  • SHA1

    797377e262f78ebcbb50203a286fdcbc76b45e81

  • SHA256

    4764430a1dcd759ca63408103232d28a82c2e1ae3c1cc29a536fecdee9171fb3

  • SHA512

    bced0651108eecdad60f6b9291e065877f9b7b43ae5edbf659d6028c192de918f11e8d6019cc5e287f9036f33825c52f5b34fce58d4d76f02c834aa16dfdaa41

  • SSDEEP

    24576:Vt3Neacap5W/4UHRY2FhJvQywVLjaGVOUN6nyhkHgKU6Y:VtUaAwls+9j4HgK

Score
10/10
darkcometslaveevasionpersistenceratspywarestealertrojan

Malware Config

Extracted

Family

darkcomet

Botnet

slave

C2

ratting.no-ip.org:1605

Mutex

DC_MUTEX-Q21PSYS

Attributes
  • gencode

    3xN2KEijP0Bj

  • install

    false

  • offline_keylogger

    true

  • password

    darkcomet

  • persistence

    false

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

    evasion
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\53f9da2780b6f5a90cfa960a7ba80eef.exe
    "C:\Users\Admin\AppData\Local\Temp\53f9da2780b6f5a90cfa960a7ba80eef.exe"
    1⤵
    • Disables RegEdit via registry modification
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Users\Admin\AppData\Local\Temp\Crypted.exe
      "C:\Users\Admin\AppData\Local\Temp\Crypted.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2156
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\Crypted.exe" +s +h
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2164
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\Crypted.exe" +s +h
          4⤵
          • Sets file to hidden
          • Views/modifies file attributes
          PID:2812
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2068
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • Views/modifies file attributes
          PID:2820
    • C:\Windows\SysWOW64\taskmgr.exe
      taskmgr.exe
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1444

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\Crypted.exe
    Filesize

    649KB

    MD5

    c0cebd70cd9ab9af0582764101331351

    SHA1

    2e1308817abe1151fd63622b2316491e4a25de8e

    SHA256

    84fd686a3ee7c0326ab6058bb49667c18250660a79c3f710730f8ef941028f92

    SHA512

    89bed80bedc435e7b7c7a25ab6c4d2dff81d18c1fe550bd9ce3f8b21d5441ca7e764b23108979f3cec0fe7528ce163d8c6aeab61719aba690b9630883af765d6

    Download Submit
  • memory/2156-19-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/2156-28-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/2156-20-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/2156-24-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/2156-23-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/2156-32-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/2156-31-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/2156-17-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/2156-30-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/2156-29-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/2156-27-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/2156-14-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/2156-12-0x0000000000280000-0x0000000000281000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2156-25-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/2156-26-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/3004-1-0x0000000074930000-0x0000000074EDB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3004-2-0x0000000000500000-0x0000000000540000-memory.dmp
    Filesize

    256KB

    Download
  • memory/3004-0-0x0000000074930000-0x0000000074EDB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3004-18-0x0000000000500000-0x0000000000540000-memory.dmp
    Filesize

    256KB

    Download
  • memory/3004-16-0x0000000074930000-0x0000000074EDB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3004-15-0x0000000074930000-0x0000000074EDB000-memory.dmp
    Filesize

    5.7MB

    Download