asyncrat

General

Target

F487F870FDF6550C4CA3241481FD49DC.exe
Size

3.7MB
Sample

210708-cah4d7rsge
MD5

f487f870fdf6550c4ca3241481fd49dc
SHA1

f5f4a37e432c551b67508a74861e2f6e70ec2d4d
SHA256

b138c67994648f1784c8263e0af703662e2bd8e55d9d8a1189dcf243f2bff657
SHA512

6e5d57fdbe36492955df7b50ab40b7a1466cd225126eabbd36cebbdb1696e7bd560e1728cf2b697861b5c59be58bab6f1f4f868c00ef32b38e4fa4d84fb3bb6f

Score

10^/10

Malware Config

Extracted

Family

redline

Botnet

Cana

C2

176.111.174.254:56328

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com

Attributes

profile_id
706

Extracted

Family

asyncrat

Version

0.5.7B

C2

null:null

Mutex

AsyncMutex_6SI8OkPnk

Attributes

aes_key
3htbU7p8VLsbVqyiXfg3CvefpcBeyVlh
anti_detection
true
autorun
true
bdos
false
delay
Default
host
null
hwid
3
install_file
install_folder
%AppData%
mutex
AsyncMutex_6SI8OkPnk
pastebin_config
https://pastebin.com/raw/xV7ZAURy
port
null
version
0.5.7B

aes.plain

Targets

- Target
  
  F487F870FDF6550C4CA3241481FD49DC.exe
- Size
  
  3.7MB
- MD5
  
  f487f870fdf6550c4ca3241481fd49dc
- SHA1
  
  f5f4a37e432c551b67508a74861e2f6e70ec2d4d
- SHA256
  
  b138c67994648f1784c8263e0af703662e2bd8e55d9d8a1189dcf243f2bff657
- SHA512
  
  6e5d57fdbe36492955df7b50ab40b7a1466cd225126eabbd36cebbdb1696e7bd560e1728cf2b697861b5c59be58bab6f1f4f868c00ef32b38e4fa4d84fb3bb6f
Score

10^/10

redline smokeloader vidar cana aspackv2 backdoor infostealer stealer trojan asyncrat 706 discovery evasion persistence rat spyware upx
- AsyncRat
  AsyncRAT is designed to remotely monitor and control other computers.
  rat asyncrat
- Modifies Windows Defender Real-time Protection settings
  evasion trojan
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- RedLine
  RedLine Stealer is a malware family written in C#, first appearing in early 2020.
  infostealer redline
- RedLine Payload
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Async RAT payload
  rat
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Vidar Stealer
  stealer
- ASPack v2.12-2.42
  Detects executables packed with ASPack v2.12-2.42
  aspackv2
- Downloads MZ/PE file
- Executes dropped EXE
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Checks whether UAC is enabled
  evasion trojan
- Legitimate hosting services abused for malware hosting/C2
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2