General

  • Target

    0ae903ec33ad4f930697e461f869e86410dc4d22cf26de40f5775283c002d971

  • Size

    664KB

  • Sample

    220222-zwejkafaak

  • MD5

    329d395b6edfc1c931bbd0c9dd8b5be5

  • SHA1

    d6cbbeaec3e3571acc01470b01ea4e926e9a4a50

  • SHA256

    0ae903ec33ad4f930697e461f869e86410dc4d22cf26de40f5775283c002d971

  • SHA512

    6ae1fb8aa6dd4fbbf0d70587bbf6ff291514ef33d2b4699d50a9ccac55b692a457a6d94dc7afca611d781d12da47c65c505314faf2015f34141639bcd263bff1

Malware Config

Extracted

Family

matiex

Credentials

Targets

    • Target

      0ae903ec33ad4f930697e461f869e86410dc4d22cf26de40f5775283c002d971

    • Size

      664KB

    • MD5

      329d395b6edfc1c931bbd0c9dd8b5be5

    • SHA1

      d6cbbeaec3e3571acc01470b01ea4e926e9a4a50

    • SHA256

      0ae903ec33ad4f930697e461f869e86410dc4d22cf26de40f5775283c002d971

    • SHA512

      6ae1fb8aa6dd4fbbf0d70587bbf6ff291514ef33d2b4699d50a9ccac55b692a457a6d94dc7afca611d781d12da47c65c505314faf2015f34141639bcd263bff1

    • Matiex

      Matiex is a keylogger and infostealer first seen in July 2020.

    • Matiex Main Payload

    • 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 Microsoft Outlook profiles

    • Adds Run key to start application

    • 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

2
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks