stealc

General

Target

d698f4a95e8e4906e2ac061839316a6f45a713944952db9b61bdd9b64222961f
Size

2.0MB
Sample

240527-dqkyhaeb9v
MD5

8122eccc7f6626465aea3665bc561514
SHA1

c2037dd299d568296da48c942ff9bec63332ea5b
SHA256

d698f4a95e8e4906e2ac061839316a6f45a713944952db9b61bdd9b64222961f
SHA512

2faf1534e65673cee0a0d4f9f43050112305bb9f6ba3a1ea3c5af7f9e36250129180d3e89be984fcaa24d2cdf0354a12cf7b84fa783772964a7266ca66c5aaa0
SSDEEP

49152:s4K3x1vUmJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18mtIuoITsdZ

Score

10^/10

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199689717899

https://t.me/copterwin

Attributes

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

Targets

- Target
  
  d698f4a95e8e4906e2ac061839316a6f45a713944952db9b61bdd9b64222961f
- Size
  
  2.0MB
- MD5
  
  8122eccc7f6626465aea3665bc561514
- SHA1
  
  c2037dd299d568296da48c942ff9bec63332ea5b
- SHA256
  
  d698f4a95e8e4906e2ac061839316a6f45a713944952db9b61bdd9b64222961f
- SHA512
  
  2faf1534e65673cee0a0d4f9f43050112305bb9f6ba3a1ea3c5af7f9e36250129180d3e89be984fcaa24d2cdf0354a12cf7b84fa783772964a7266ca66c5aaa0
- SSDEEP
  
  49152:s4K3x1vUmJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18mtIuoITsdZ
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
- Executes dropped EXE
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- 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