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General

  • Target

    OPH21.bat.exe

  • Size

    622KB

  • Sample

    230330-h94beada4t

  • MD5

    d5823a84e4b8e1cf3d66e71c0bfdc634

  • SHA1

    6f21f997a4f810f899bfe07fbeeb231c3594b773

  • SHA256

    2c02e5bec85fedefe1d21d2cc02b0d7e91eebfedcb53f444127463987de67bc0

  • SHA512

    88cd67b071413ce6cee8553e64c007ae16c7b83efcc271fdf8887c69a1835f0983a6f093a67103048ed1182432fabc566b42ebf5a5f80811eaece0b1750f6af7

  • SSDEEP

    6144:sMm4CCHM4NL26fgvQVA2QNzTlIWFLVEXeVwp9gSGmsBYnrfs:sMwg/NL26fgvQK2QN6WRVAgSGm+Ynrfs

Malware Config

Extracted

Family

snakekeylogger

Credentials

Targets

    • Target

      OPH21.bat.exe

    • Size

      622KB

    • MD5

      d5823a84e4b8e1cf3d66e71c0bfdc634

    • SHA1

      6f21f997a4f810f899bfe07fbeeb231c3594b773

    • SHA256

      2c02e5bec85fedefe1d21d2cc02b0d7e91eebfedcb53f444127463987de67bc0

    • SHA512

      88cd67b071413ce6cee8553e64c007ae16c7b83efcc271fdf8887c69a1835f0983a6f093a67103048ed1182432fabc566b42ebf5a5f80811eaece0b1750f6af7

    • SSDEEP

      6144:sMm4CCHM4NL26fgvQVA2QNzTlIWFLVEXeVwp9gSGmsBYnrfs:sMwg/NL26fgvQK2QN6WRVAgSGm+Ynrfs

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Loads dropped DLL

    • Accesses Microsoft Outlook profiles

    • Legitimate hosting services abused for malware hosting/C2

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks