Overview

overview

10

Static

static

3

53f9da2780...ef.exe

windows7-x64

10

53f9da2780...ef.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    139s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-01-2024 20:05

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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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 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).

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

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 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
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Users\Admin\AppData\Local\Temp\Crypted.exe
      "C:\Users\Admin\AppData\Local\Temp\Crypted.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4608
      • 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:4292
      • 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:3700
    • C:\Windows\SysWOW64\taskmgr.exe
      taskmgr.exe
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2996
  • C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    1⤵
    • Sets file to hidden
    • Views/modifies file attributes
    PID:3804
  • C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\Crypted.exe" +s +h
    1⤵
    • Sets file to hidden
    • Views/modifies file attributes
    PID:1700

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

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

    649KB

    MD5

    c0cebd70cd9ab9af0582764101331351

    SHA1

    2e1308817abe1151fd63622b2316491e4a25de8e

    SHA256

    84fd686a3ee7c0326ab6058bb49667c18250660a79c3f710730f8ef941028f92

    SHA512

    89bed80bedc435e7b7c7a25ab6c4d2dff81d18c1fe550bd9ce3f8b21d5441ca7e764b23108979f3cec0fe7528ce163d8c6aeab61719aba690b9630883af765d6

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\Crypted.exe
    Filesize

    251KB

    MD5

    cea9e18d1928a85ef304d3896c1bd1d0

    SHA1

    7e02f6dda75062e2897078035ddfbeda3b8a0694

    SHA256

    405d939f6c92c86a02b8277328604661af1de2bbd4cc5e0a83088e8064f8641b

    SHA512

    068274165efc965487bf6348f882fd1aab5e60b969247d83c238fc195e089af072314791ccaf8973c345cfaa474ac6238785608ba7836438162c1d209f6669f8

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\Crypted.exe
    Filesize

    363KB

    MD5

    6d41053daadd5b81835688495405436e

    SHA1

    288f34cec9b18a8801c13f4a3b65df6f00b3884b

    SHA256

    248f637e1223e831c3d891de6827cb6f996a861959cfdc909c8c3e9c73f72874

    SHA512

    05cab82180ac2156b88d8eafe1295e6e2fcc6037516e0c9fce301a46c3b35a8a99eac28ecb858af304d98c2e086520d86aefeebee0230b5e829450d13bb2cc76

    Download Submit
  • memory/2900-19-0x0000000075580000-0x0000000075B31000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2900-1-0x0000000000D10000-0x0000000000D20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2900-2-0x0000000075580000-0x0000000075B31000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2900-36-0x0000000000D10000-0x0000000000D20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2900-0-0x0000000075580000-0x0000000075B31000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2900-20-0x0000000000D10000-0x0000000000D20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2900-18-0x0000000000D10000-0x0000000000D20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2900-17-0x0000000075580000-0x0000000075B31000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2996-29-0x0000000006070000-0x0000000006071000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2996-22-0x0000000006070000-0x0000000006071000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2996-23-0x0000000006070000-0x0000000006071000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2996-33-0x0000000006070000-0x0000000006071000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2996-32-0x0000000006070000-0x0000000006071000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2996-31-0x0000000006070000-0x0000000006071000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2996-30-0x0000000006070000-0x0000000006071000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2996-21-0x0000000006070000-0x0000000006071000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2996-28-0x0000000006070000-0x0000000006071000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2996-27-0x0000000006070000-0x0000000006071000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4608-35-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4608-39-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4608-34-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4608-16-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4608-14-0x00000000022B0000-0x00000000022B1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4608-37-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4608-38-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4608-15-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4608-40-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4608-42-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4608-43-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4608-44-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4608-45-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4608-46-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download
  • memory/4608-47-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

    Download