General

  • Target

    8674d939f855200da391bccec849d791990d29a676531a082c19208d7d450089

  • Size

    11.8MB

  • Sample

    240407-ts2a9sgh53

  • MD5

    2fb55990daf8b471dd5f3c6297020508

  • SHA1

    084b2a241dd211da48e1653f21613bc86e2ad002

  • SHA256

    8674d939f855200da391bccec849d791990d29a676531a082c19208d7d450089

  • SHA512

    0dcbf78abdd89a129bf2e7842679c03df62f951658e4aaab3045518209887eb326a142e4e87b2c8f5b43b0685d1fde49dba346634abb1a1133d659fa83b362f6

  • SSDEEP

    196608:OIJ6eA5cPmiRqfk0ScX/eBDv+cRc7A4Yn7WILy+aEkcGXe6bqmOIhJZEFIxgabSR:Of1xAcX/Or/M07neRJXe6basrSsgabI

Malware Config

Targets

    • Target

      8674d939f855200da391bccec849d791990d29a676531a082c19208d7d450089

    • Size

      11.8MB

    • MD5

      2fb55990daf8b471dd5f3c6297020508

    • SHA1

      084b2a241dd211da48e1653f21613bc86e2ad002

    • SHA256

      8674d939f855200da391bccec849d791990d29a676531a082c19208d7d450089

    • SHA512

      0dcbf78abdd89a129bf2e7842679c03df62f951658e4aaab3045518209887eb326a142e4e87b2c8f5b43b0685d1fde49dba346634abb1a1133d659fa83b362f6

    • SSDEEP

      196608:OIJ6eA5cPmiRqfk0ScX/eBDv+cRc7A4Yn7WILy+aEkcGXe6bqmOIhJZEFIxgabSR:Of1xAcX/Or/M07neRJXe6basrSsgabI

    • Blackmoon, KrBanker

      Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

    • Detect Blackmoon payload

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks