General

  • Target

    27e5e2ab47115e5a26ff10ab570b221519f2c0e3e836a85abf87b4e5d63df3de

  • Size

    1.3MB

  • Sample

    211028-w1v6bsgggk

  • MD5

    a21083e3799762685013f624ef688c60

  • SHA1

    f7b91c016081b32131a002e6787483fc5848ee24

  • SHA256

    27e5e2ab47115e5a26ff10ab570b221519f2c0e3e836a85abf87b4e5d63df3de

  • SHA512

    9a8b29ae1acb6a275ddb4f611689aab1076e5ac6cbc02dfe5511b5b81985b2d7c85ef4c84278c1e753bcd13e218b31a3dd0afccdd159a38312a10485b26be853

Malware Config

Targets

    • Target

      27e5e2ab47115e5a26ff10ab570b221519f2c0e3e836a85abf87b4e5d63df3de

    • Size

      1.3MB

    • MD5

      a21083e3799762685013f624ef688c60

    • SHA1

      f7b91c016081b32131a002e6787483fc5848ee24

    • SHA256

      27e5e2ab47115e5a26ff10ab570b221519f2c0e3e836a85abf87b4e5d63df3de

    • SHA512

      9a8b29ae1acb6a275ddb4f611689aab1076e5ac6cbc02dfe5511b5b81985b2d7c85ef4c84278c1e753bcd13e218b31a3dd0afccdd159a38312a10485b26be853

    • suricata: ET MALWARE Arechclient2 Backdoor CnC Init

      suricata: ET MALWARE Arechclient2 Backdoor CnC Init

    • Executes dropped EXE

    • Drops startup file

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Tasks