General

  • Target

    0cb86ef36606d254603b9043259b9795111f66cf089c1fb0219870a157022010

  • Size

    2.0MB

  • Sample

    240523-afp8paeb9w

  • MD5

    75212dabdba487d0404009426e1603fe

  • SHA1

    d1b63bdc08dbc2a2b02be720135325ab93023cc6

  • SHA256

    0cb86ef36606d254603b9043259b9795111f66cf089c1fb0219870a157022010

  • SHA512

    09380b7cacc5a5ef85b655f9fdfa49eddc9d21e52ea9844d3c94c8f26b12aa131313698619de00c860d51317fca505c39c32c49b451568c9076f04c565db43e3

  • SSDEEP

    49152:7QzHt472D8JtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtKtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      0cb86ef36606d254603b9043259b9795111f66cf089c1fb0219870a157022010

    • Size

      2.0MB

    • MD5

      75212dabdba487d0404009426e1603fe

    • SHA1

      d1b63bdc08dbc2a2b02be720135325ab93023cc6

    • SHA256

      0cb86ef36606d254603b9043259b9795111f66cf089c1fb0219870a157022010

    • SHA512

      09380b7cacc5a5ef85b655f9fdfa49eddc9d21e52ea9844d3c94c8f26b12aa131313698619de00c860d51317fca505c39c32c49b451568c9076f04c565db43e3

    • SSDEEP

      49152:7QzHt472D8JtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtKtIuoITsdZ

    • 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.

    • Executes dropped EXE

    • 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.

    • Suspicious use of SetThreadContext

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