General

  • Target

    f30562f12f6ef79b34b52f506780e01a.exe

  • Size

    697KB

  • Sample

    201109-k411ermqtx

  • MD5

    f30562f12f6ef79b34b52f506780e01a

  • SHA1

    a70a54548bec648b92253ac5ac998e92ef3dabd9

  • SHA256

    341847d9c11face1487ab04072d6ddc5065a379011c6684e56e1f4fa8d8ab3f3

  • SHA512

    ad7739d8c8d0de69ebd20c41cb9c7739d6cd4f388bb928e228149a8bd454f510d9b0cc379ae56a478855fea665d2cbc031256c09d4ce7a2fbaa7eeed3fc445b6

Malware Config

Targets

    • Target

      f30562f12f6ef79b34b52f506780e01a.exe

    • Size

      697KB

    • MD5

      f30562f12f6ef79b34b52f506780e01a

    • SHA1

      a70a54548bec648b92253ac5ac998e92ef3dabd9

    • SHA256

      341847d9c11face1487ab04072d6ddc5065a379011c6684e56e1f4fa8d8ab3f3

    • SHA512

      ad7739d8c8d0de69ebd20c41cb9c7739d6cd4f388bb928e228149a8bd454f510d9b0cc379ae56a478855fea665d2cbc031256c09d4ce7a2fbaa7eeed3fc445b6

    • 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