darkcomet

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General

Target

A1DB2DK7S9.CNT.exe
Size

2.1MB
Sample

230222-b9tzeahd67
MD5

9cb1667d78bac6997eefe37a44397558
SHA1

992651316c65ac2f6e0bd301543bea6c6cc507b1
SHA256

8f130ed18524730bdeab3cb340518acddaa6fb8ed2947bcbf902b2b94b2cdb69
SHA512

21e73434d0ba367f6eb45fd92b24f3d1567ef6aaccee2871620cf311f698b8ec3ac22261c95931f6a998ba1e3f8f3bc06b119d8164ddd2e4d376edb00c933a69
SSDEEP

24576:RUMPXPReQkyrfVQHxsvw2HuSOVyrGYZF0CV8twiylCS9u+cY7KPJ+HlD9IExKMac:3pe9qNQHxfwGUlype8+cY7KUx3

Score

10^/10

Malware Config

Extracted

Family

darkcomet

Botnet

FEBEUARY 2023

timmy08.ddns.net:39399

Mutex

DC_MUTEX-Q2S9RDY

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
uwAzfkQN5QEN
install
true
offline_keylogger
true
persistence
true
reg_key
chrome

Extracted

Family

nanocore

Version

1.2.2.0

timmy06.ddns.net:28289

timmy08.ddns.net:28289

Mutex

62f06349-2bb0-4c20-ac84-f82ad01a1521

Attributes

activate_away_mode
false
backup_connection_host
timmy08.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-12-01T20:37:32.816492236Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
28289
default_group
FEBRUARY 2023
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
62f06349-2bb0-4c20-ac84-f82ad01a1521
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
timmy06.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Targets

- Target
  
  A1DB2DK7S9.CNT.exe
- Size
  
  2.1MB
- MD5
  
  9cb1667d78bac6997eefe37a44397558
- SHA1
  
  992651316c65ac2f6e0bd301543bea6c6cc507b1
- SHA256
  
  8f130ed18524730bdeab3cb340518acddaa6fb8ed2947bcbf902b2b94b2cdb69
- SHA512
  
  21e73434d0ba367f6eb45fd92b24f3d1567ef6aaccee2871620cf311f698b8ec3ac22261c95931f6a998ba1e3f8f3bc06b119d8164ddd2e4d376edb00c933a69
- SSDEEP
  
  24576:RUMPXPReQkyrfVQHxsvw2HuSOVyrGYZF0CV8twiylCS9u+cY7KPJ+HlD9IExKMac:3pe9qNQHxfwGUlype8+cY7KUx3
Score

10^/10

darkcomet nanocore febeuary 2023 evasion keylogger persistence rat spyware stealer trojan
- Darkcomet
  DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
  trojan rat darkcomet
- Modifies WinLogon for persistence
  persistence
- Modifies security service
  evasion
- NanoCore
  NanoCore is a remote access tool (RAT) with a variety of capabilities.
  keylogger trojan stealer spyware nanocore
- Windows security bypass
  evasion trojan
- Disables Task Manager via registry modification
  evasion
- Sets file to hidden
  Modifies file attributes to stop it showing in Explorer etc.
  evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
  evasion trojan
- Adds Run key to start application
  persistence
- Checks whether UAC is enabled
  evasion trojan
- Suspicious use of SetThreadContext
behavioral1 behavioral2