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General

  • Target

    a9c98904a888933d4d5c966f836e64d1_JaffaCakes118

  • Size

    544KB

  • Sample

    240819-ga4mfsxald

  • MD5

    a9c98904a888933d4d5c966f836e64d1

  • SHA1

    9fd5fed2662bc04d4d4cab61a0cb1f4d79b5556f

  • SHA256

    46b0d4c55924d1990478c7c8eb252731ecb8770e6bea5ad18ba8c4c6991a1473

  • SHA512

    ce7514eb6dc9bc2cbc055d724409a2977e82474fefe576f0236d1ea3effa115b101c395d9d8dcd409d8ad8d4676503405e33becb368ef8d7d9c2189d5b6e21f6

  • SSDEEP

    12288:AQIWT/UzJW8ivxh7vHzgryd4GT1QOoJqbbEUqe9mJd/uB28Rr8O9F8/CwM:AQI+cJHiJRTHnxhUqEhe9suB2C8O9O

Malware Config

Targets

    • Target

      a9c98904a888933d4d5c966f836e64d1_JaffaCakes118

    • Size

      544KB

    • MD5

      a9c98904a888933d4d5c966f836e64d1

    • SHA1

      9fd5fed2662bc04d4d4cab61a0cb1f4d79b5556f

    • SHA256

      46b0d4c55924d1990478c7c8eb252731ecb8770e6bea5ad18ba8c4c6991a1473

    • SHA512

      ce7514eb6dc9bc2cbc055d724409a2977e82474fefe576f0236d1ea3effa115b101c395d9d8dcd409d8ad8d4676503405e33becb368ef8d7d9c2189d5b6e21f6

    • SSDEEP

      12288:AQIWT/UzJW8ivxh7vHzgryd4GT1QOoJqbbEUqe9mJd/uB28Rr8O9F8/CwM:AQI+cJHiJRTHnxhUqEhe9suB2C8O9O

    • Modifies WinLogon for persistence

    • Modifies visiblity of hidden/system files in Explorer

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Unexpected DNS network traffic destination

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

    • Adds Run key to start application

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Enumerates processes with tasklist

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks