stealc

General

Target

a134e905db8d5f59ed7b4d1d2239c50e4a517654a2772c47d76b091c83e2a2d4
Size

2.1MB
Sample

240615-alt4tsscqd
MD5

b6a92815e6e91a6c03a7db4befeab436
SHA1

020083bbc10727bc1056ba5c1bae024de4bdd3ad
SHA256

a134e905db8d5f59ed7b4d1d2239c50e4a517654a2772c47d76b091c83e2a2d4
SHA512

8adfedc5f3f4d1f463957a3c8124e4bbed29af51a7201c86ac586abe6489b6074c4e2c0d6815aa3e06aabfd978358e1fb9a7ba506e58af09093e4d6edf73a207
SSDEEP

24576:Ub4m+sws1qLVNMIlJl6DRKbAlcNRfCKdUfMxVVtes12FxwojKr98YGeGG9iO:UZXOjt6DuAwCKdUkxVVChjHZQs

Score

10^/10

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

- Target
  
  a134e905db8d5f59ed7b4d1d2239c50e4a517654a2772c47d76b091c83e2a2d4
- Size
  
  2.1MB
- MD5
  
  b6a92815e6e91a6c03a7db4befeab436
- SHA1
  
  020083bbc10727bc1056ba5c1bae024de4bdd3ad
- SHA256
  
  a134e905db8d5f59ed7b4d1d2239c50e4a517654a2772c47d76b091c83e2a2d4
- SHA512
  
  8adfedc5f3f4d1f463957a3c8124e4bbed29af51a7201c86ac586abe6489b6074c4e2c0d6815aa3e06aabfd978358e1fb9a7ba506e58af09093e4d6edf73a207
- SSDEEP
  
  24576:Ub4m+sws1qLVNMIlJl6DRKbAlcNRfCKdUfMxVVtes12FxwojKr98YGeGG9iO:UZXOjt6DuAwCKdUkxVVChjHZQs
Score

10^/10

stealc vidar discovery spyware stealer
- Detect Vidar Stealer
  stealer
- Stealc
  Stealc is an infostealer written in C++.
  stealer stealc
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Detect binaries embedding considerable number of MFA browser extension IDs.
- Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
- Detects Windows executables referencing non-Windows User-Agents
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
- Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
- Detects executables containing potential Windows Defender anti-emulation checks
- Downloads MZ/PE file
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Reads data files stored by FTP clients
  Tries to access configuration files associated with programs like FileZilla.
  spyware stealer
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Suspicious use of SetThreadContext
behavioral1 behavioral2