General

  • Target

    e109ffd6170183fc6e8ab7fcbf07d9f6

  • Size

    159KB

  • Sample

    220615-vg4gxsbca8

  • MD5

    e109ffd6170183fc6e8ab7fcbf07d9f6

  • SHA1

    6727234317ee5318ef83fbef4b0cf2510e262405

  • SHA256

    6f943d65dcd851c0f5209915f9da7937b474fe40cb3da03579916ebb4f192e5d

  • SHA512

    138ca2a6c3b1e67b9d6e849e66850fa3b187e89c780156582446fa602b615e684585157d524283010115e4c748d58985c2c1252e0db623513ba098ba116c3c6c

Malware Config

Extracted

Family

arkei

Botnet

Default

Targets

    • Target

      e109ffd6170183fc6e8ab7fcbf07d9f6

    • Size

      159KB

    • MD5

      e109ffd6170183fc6e8ab7fcbf07d9f6

    • SHA1

      6727234317ee5318ef83fbef4b0cf2510e262405

    • SHA256

      6f943d65dcd851c0f5209915f9da7937b474fe40cb3da03579916ebb4f192e5d

    • SHA512

      138ca2a6c3b1e67b9d6e849e66850fa3b187e89c780156582446fa602b615e684585157d524283010115e4c748d58985c2c1252e0db623513ba098ba116c3c6c

    • Arkei

      Arkei is an infostealer written in C++.

    • suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4

      suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4

    • suricata: ET MALWARE Generic Request to gate.php Dotted-Quad

      suricata: ET MALWARE Generic Request to gate.php Dotted-Quad

    • suricata: ET MALWARE Generic gate .php GET with minimal headers

      suricata: ET MALWARE Generic gate .php GET with minimal headers

    • suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers

      suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers

    • suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer

      suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer

    • suricata: ET MALWARE Win32/Vidar Variant/Mars CnC Activity (GET)

      suricata: ET MALWARE Win32/Vidar Variant/Mars CnC Activity (GET)

    • suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

      suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • 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 v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks