General

  • Target

    2024-11-12_866a8c337594137e62d19aad596f5f98_ryuk

  • Size

    3.6MB

  • Sample

    241112-vzqnsaxemm

  • MD5

    866a8c337594137e62d19aad596f5f98

  • SHA1

    42c663ccc4b5b695289bd9c622ed78fbb0c03f7d

  • SHA256

    301d598b303d98504b8247036a6c30945be86ab1499fb564eb3180edb035dad6

  • SHA512

    6fa839874a1abff6682883ea67e0ec1843c44300cc7a23d149921bacb9efbef4186d2598d6442e1aba30a95ca93ca67e4df14b3665b81a347e6417d540507ec4

  • SSDEEP

    49152:0Qusxfsa6NLq4TsxdIlgEnYKRopwAh1Ruy25gjvxPmdjAeTMA8p:51p

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    445

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Targets

    • Target

      2024-11-12_866a8c337594137e62d19aad596f5f98_ryuk

    • Size

      3.6MB

    • MD5

      866a8c337594137e62d19aad596f5f98

    • SHA1

      42c663ccc4b5b695289bd9c622ed78fbb0c03f7d

    • SHA256

      301d598b303d98504b8247036a6c30945be86ab1499fb564eb3180edb035dad6

    • SHA512

      6fa839874a1abff6682883ea67e0ec1843c44300cc7a23d149921bacb9efbef4186d2598d6442e1aba30a95ca93ca67e4df14b3665b81a347e6417d540507ec4

    • SSDEEP

      49152:0Qusxfsa6NLq4TsxdIlgEnYKRopwAh1Ruy25gjvxPmdjAeTMA8p:51p

    • Meduza

      Meduza is a crypto wallet and info stealer written in C++.

    • Meduza Stealer payload

    • Meduza family

    • Checks computer location settings

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

    • Deletes itself

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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 Enterprise v15

Tasks