asyncrat

General

Target

9955e237e5f00ca94109005a2d778a88641d25fef299864223fa835e808f2236
Size

1018KB
Sample

250421-x18bbsswhz
MD5

eceb6e1e8aa84e6501589dc1d3deb419
SHA1

467a412530d7af26b01ec278d7d325e4b6dd047a
SHA256

9955e237e5f00ca94109005a2d778a88641d25fef299864223fa835e808f2236
SHA512

be256564941a092d73b6931dfa0a238b17d68c69e1742b98844e43fa3010db83bf9d52922912e127cd9b6cd1bbf9ecd39c4a36c2da676ca060bf21ffef8b27bf
SSDEEP

24576:pji1+TKiRzC0NqgGApfkxIpePcvkTR8cvkTAU:pu1+miRnQjALpe0vkTNvkTN

Score

10^/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

jvjv2044duck33.duckdns.org:8808

Mutex

0fC8zJGwBBNm

Attributes

delay
3
install
true
install_file
csrss.exe
install_folder
%AppData%

aes.plain

Extracted

Family

darkcomet

Botnet

Guest16

C2

jvjv2044duck33.duckdns.org:1604

Mutex

DC_MUTEX-CK7UE3N

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
Jp74nsvbhc4i
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

rc4.plain

Extracted

Family

nanocore

Version

1.2.2.0

C2

jvjv2044duck33.duckdns.org:54984

Mutex

2fda0c27-65af-4514-b648-0066e7bbf615

Attributes

activate_away_mode
true
backup_connection_host
jvjv2044duck33.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2025-01-27T20:01:11.197098036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
54984
default_group
Default
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
2fda0c27-65af-4514-b648-0066e7bbf615
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
jvjv2044duck33.duckdns.org
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
  
  9955e237e5f00ca94109005a2d778a88641d25fef299864223fa835e808f2236
- Size
  
  1018KB
- MD5
  
  eceb6e1e8aa84e6501589dc1d3deb419
- SHA1
  
  467a412530d7af26b01ec278d7d325e4b6dd047a
- SHA256
  
  9955e237e5f00ca94109005a2d778a88641d25fef299864223fa835e808f2236
- SHA512
  
  be256564941a092d73b6931dfa0a238b17d68c69e1742b98844e43fa3010db83bf9d52922912e127cd9b6cd1bbf9ecd39c4a36c2da676ca060bf21ffef8b27bf
- SSDEEP
  
  24576:pji1+TKiRzC0NqgGApfkxIpePcvkTR8cvkTAU:pu1+miRnQjALpe0vkTNvkTN
Score

10^/10

asyncrat darkcomet nanocore default guest16 defense_evasion discovery execution keylogger persistence rat spyware stealer trojan upx
- AsyncRat
  AsyncRAT is designed to remotely monitor and control other computers written in C#.
  rat asyncrat
- Asyncrat family
  asyncrat
- Darkcomet
  DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
  trojan rat darkcomet
- Darkcomet family
  darkcomet
- Modifies WinLogon for persistence
  persistence
- NanoCore
  NanoCore is a remote access tool (RAT) with a variety of capabilities.
  keylogger trojan stealer spyware nanocore
- Nanocore family
  nanocore
- Async RAT payload
  rat
- Disables Task Manager via registry modification
  defense_evasion
- Sets file to hidden
  Modifies file attributes to stop it showing in Explorer etc.
  defense_evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Adds Run key to start application
  persistence
- Checks whether UAC is enabled
  defense_evasion trojan
- Drops file in System32 directory
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
behavioral1 behavioral2