General

  • Target

    48302a0bd757aab1f869f88f8f5c758b

  • Size

    564KB

  • Sample

    240107-gfs3xagec7

  • MD5

    48302a0bd757aab1f869f88f8f5c758b

  • SHA1

    db09b74ab6d38967eb2128e986518cd4f06b90aa

  • SHA256

    a3a5dc4d5d1b72c1864dca606a47cf8735a464cdf4d24ec74a113960c128d2c6

  • SHA512

    188a7f195786687efe4559436fbbc71137f8ab11c95e8baa6794cd8ca2d66dfc61d39c0240d9a530ceeb45a2732ad228adb6d96ef4ea13e06df9fb297dbcf438

  • SSDEEP

    12288:hVWX8yg3/V0nQWVrmCmtHLY4FrsASNMNNoZfGIl0rA5:CMyg3Cr8S+fS

Malware Config

Extracted

Family

matiex

Credentials

Targets

    • Target

      48302a0bd757aab1f869f88f8f5c758b

    • Size

      564KB

    • MD5

      48302a0bd757aab1f869f88f8f5c758b

    • SHA1

      db09b74ab6d38967eb2128e986518cd4f06b90aa

    • SHA256

      a3a5dc4d5d1b72c1864dca606a47cf8735a464cdf4d24ec74a113960c128d2c6

    • SHA512

      188a7f195786687efe4559436fbbc71137f8ab11c95e8baa6794cd8ca2d66dfc61d39c0240d9a530ceeb45a2732ad228adb6d96ef4ea13e06df9fb297dbcf438

    • SSDEEP

      12288:hVWX8yg3/V0nQWVrmCmtHLY4FrsASNMNNoZfGIl0rA5:CMyg3Cr8S+fS

    • 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

    • 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 v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks