General

  • Target

    7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f

  • Size

    3.6MB

  • Sample

    240524-rxt2mshf39

  • MD5

    3ccf2ae7c700765b7baee5fcc754d3ed

  • SHA1

    e4171e502eef538896e0a1b28ac08beb360e9bfe

  • SHA256

    7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f

  • SHA512

    ed7e85b09d72761e99b4c57abc7f2648fecff7d6d6bdb59479be8f942078c1113b36a232889c25e0740eba7c4ec4247f1e5f58c7747a97be85bad91f66f9043b

  • SSDEEP

    98304:e6hmT+WPOBzN3FjxhQwA5hjjHNiicU+s3C76L/:e6h9IOBznjgwA5hjjHGN6z

Malware Config

Targets

    • Target

      7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f

    • Size

      3.6MB

    • MD5

      3ccf2ae7c700765b7baee5fcc754d3ed

    • SHA1

      e4171e502eef538896e0a1b28ac08beb360e9bfe

    • SHA256

      7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f

    • SHA512

      ed7e85b09d72761e99b4c57abc7f2648fecff7d6d6bdb59479be8f942078c1113b36a232889c25e0740eba7c4ec4247f1e5f58c7747a97be85bad91f66f9043b

    • SSDEEP

      98304:e6hmT+WPOBzN3FjxhQwA5hjjHNiicU+s3C76L/:e6h9IOBznjgwA5hjjHGN6z

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

4
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

4
T1005

Tasks