General

  • Target

    5772340cf31a79bda48233f83129000e1251729177d89f673c78a03611d478ce

  • Size

    494KB

  • Sample

    220511-c4nqwadgf7

  • MD5

    1b877b7ef603ff7b253dec28404d1a39

  • SHA1

    b5e184b39159b9a7c05993e8aaa3fd405bf5b27a

  • SHA256

    5772340cf31a79bda48233f83129000e1251729177d89f673c78a03611d478ce

  • SHA512

    0eae1eceb638fc3df6d8a9a23ef1b69f4ae2ab49aa11496fb8a5261045704bf76e58ccc1a4e9e2dc1f50dc98d1ae582de6f37366432e558fab0b0ebb0f3961fd

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    srvc13.turhost.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    italik2015

Targets

    • Target

      5772340cf31a79bda48233f83129000e1251729177d89f673c78a03611d478ce

    • Size

      494KB

    • MD5

      1b877b7ef603ff7b253dec28404d1a39

    • SHA1

      b5e184b39159b9a7c05993e8aaa3fd405bf5b27a

    • SHA256

      5772340cf31a79bda48233f83129000e1251729177d89f673c78a03611d478ce

    • SHA512

      0eae1eceb638fc3df6d8a9a23ef1b69f4ae2ab49aa11496fb8a5261045704bf76e58ccc1a4e9e2dc1f50dc98d1ae582de6f37366432e558fab0b0ebb0f3961fd

    • Matiex

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

    • Matiex Main Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks