General

  • Target

    kos1.exe

  • Size

    1.4MB

  • Sample

    231011-zejrysea48

  • MD5

    85b698363e74ba3c08fc16297ddc284e

  • SHA1

    171cfea4a82a7365b241f16aebdb2aad29f4f7c0

  • SHA256

    78efcbb0c6eb6a4c76c036adc65154b8ff028849f79d508e45babfb527cb7cfe

  • SHA512

    7e4816c43e0addba088709948e8aedc9e39d6802c74a75cfbc2a0e739b44c5b5eef2bb2453b7032c758b0bdb38e4e7a598aa29be015796361b81d7f9e8027796

  • SSDEEP

    24576:uS7LJeESj3RxrDKaWrnuzzBv7oV2Ev20sYoh9nhhM/vacAVoZFjo:T7LJqjr/KaWrn4Ev20m9h8ZF

Score
7/10

Malware Config

Targets

    • Target

      kos1.exe

    • Size

      1.4MB

    • MD5

      85b698363e74ba3c08fc16297ddc284e

    • SHA1

      171cfea4a82a7365b241f16aebdb2aad29f4f7c0

    • SHA256

      78efcbb0c6eb6a4c76c036adc65154b8ff028849f79d508e45babfb527cb7cfe

    • SHA512

      7e4816c43e0addba088709948e8aedc9e39d6802c74a75cfbc2a0e739b44c5b5eef2bb2453b7032c758b0bdb38e4e7a598aa29be015796361b81d7f9e8027796

    • SSDEEP

      24576:uS7LJeESj3RxrDKaWrnuzzBv7oV2Ev20sYoh9nhhM/vacAVoZFjo:T7LJqjr/KaWrn4Ev20m9h8ZF

    Score
    7/10
    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v15

Tasks