cstealer | bc424fa116202a1cca16fc04a8ae6a211e3783ddb460faa6b22f565f360c1c11 | Triage

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Reports

Overview

overview

Static

static

2025-03-30...om.exe

windows7-x64

7

2025-03-30...om.exe

windows10-2004-x64

Sharing

General

Target

2025-03-30_40cce5a074d7d41f24b79f293e4a7bc5_black-basta_cobalt-strike_satacom
Size

20.9MB
Sample

250330-wq5l1stvat
MD5

40cce5a074d7d41f24b79f293e4a7bc5
SHA1

3a7206262e5977dcb9d0179e5b5f04a45cb53b6c
SHA256

bc424fa116202a1cca16fc04a8ae6a211e3783ddb460faa6b22f565f360c1c11
SHA512

310c4d62dd5a06226b0e5a7a9a5bd4c64b15c44703e8e618ce9c944276eac3e879182943e062db0e364f7b9699514a3d54d82fb2040e81cf50627637e9406fb3
SSDEEP

393216:89YiVVlj87dt8WdqODLfHqO1UTdQJl3wF3MnG3CblCOL/AJ0bderWM4uYyk5aH:89YiVVl8ZO8ETdQC3MGVOb1b6UA

Score

10^/10

cstealer credential_access discovery pyinstaller spyware stealer

Static task

static1

pyinstaller cstealer

4 signatures

Behavioral task

behavioral1

Sample

2025-03-30_40cce5a074d7d41f24b79f293e4a7bc5_black-basta_cobalt-strike_satacom.exe

Resource

win7-20241010-en

windows7-x64

2 signatures

150 seconds

Behavioral task

behavioral2

Sample

2025-03-30_40cce5a074d7d41f24b79f293e4a7bc5_black-basta_cobalt-strike_satacom.exe

Resource

win10v2004-20250314-en

cstealer credential_access discovery spyware stealer

windows10-2004-x64

11 signatures

150 seconds

Malware Config

Targets

- Target
  
  2025-03-30_40cce5a074d7d41f24b79f293e4a7bc5_black-basta_cobalt-strike_satacom
- Size
  
  20.9MB
- MD5
  
  40cce5a074d7d41f24b79f293e4a7bc5
- SHA1
  
  3a7206262e5977dcb9d0179e5b5f04a45cb53b6c
- SHA256
  
  bc424fa116202a1cca16fc04a8ae6a211e3783ddb460faa6b22f565f360c1c11
- SHA512
  
  310c4d62dd5a06226b0e5a7a9a5bd4c64b15c44703e8e618ce9c944276eac3e879182943e062db0e364f7b9699514a3d54d82fb2040e81cf50627637e9406fb3
- SSDEEP
  
  393216:89YiVVlj87dt8WdqODLfHqO1UTdQJl3wF3MnG3CblCOL/AJ0bderWM4uYyk5aH:89YiVVl8ZO8ETdQC3MGVOb1b6UA
Score

10^/10

cstealer credential_access discovery spyware stealer
- CStealer
  CStealer is an open-source infostealer written in Python and packaged with PyInstaller.
  stealer cstealer
- Cstealer family
  cstealer
- Drops startup file
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Unsecured Credentials: Credentials In Files
  Steal credentials from unsecured files.
  credential_access stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- 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.
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

Credentials from Web Browsers

Unsecured Credentials

Credentials In Files

Discovery

Browser Information Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Web Service

Exfiltration

Impact

Tasks

static1

pyinstallercstealer

behavioral1

behavioral2

cstealercredential_accessdiscoveryspywarestealer

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