General

  • Target

    57f144a367aad10f85ac746fde7e9571.exe

  • Size

    503KB

  • Sample

    201109-2rh2p9kef6

  • MD5

    57f144a367aad10f85ac746fde7e9571

  • SHA1

    d4b7744b503b11e7a82564953e4179ba36bd9c5c

  • SHA256

    3a7f7b56d9b3c6996f00bd40b7ff5d70e0ce858fc76cc0d89f603a26c34e9e5c

  • SHA512

    11fe3ef1fbc6218693ecc1afa88b0cefedc72b1b1800fba430cf547401d8f3860a206b67f050fe06b30a7aeeb7cdebf4d6e4afe311aca989e8a775c75853d96b

Malware Config

Targets

    • Target

      57f144a367aad10f85ac746fde7e9571.exe

    • Size

      503KB

    • MD5

      57f144a367aad10f85ac746fde7e9571

    • SHA1

      d4b7744b503b11e7a82564953e4179ba36bd9c5c

    • SHA256

      3a7f7b56d9b3c6996f00bd40b7ff5d70e0ce858fc76cc0d89f603a26c34e9e5c

    • SHA512

      11fe3ef1fbc6218693ecc1afa88b0cefedc72b1b1800fba430cf547401d8f3860a206b67f050fe06b30a7aeeb7cdebf4d6e4afe311aca989e8a775c75853d96b

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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 2FA software files, possible credential harvesting

    • Checks installed software on the system

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

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks