General

  • Target

    cumloader-4noname.exe

  • Size

    1.1MB

  • Sample

    230516-nrj3psae99

  • MD5

    c611b4af1a4c2f5a9870bc7ef635c1af

  • SHA1

    a7154b0fd2183aeddc80f2520372195e30a2a420

  • SHA256

    83b3e742e5066c1bc02670f0e19db826c4d40c165e8d73f9ceb4bbcc36919d40

  • SHA512

    f5edf58f00aff1d04a6ba8ab90171c01031826d1a4d54151c4f62ba2bc45f9d70a4f3bbbae41f7db850588e4096643a8830bf6d1bc2aff08c81bfde6ceab0463

  • SSDEEP

    24576:6yC0HtNSi6K8LP1APcpSp19u/2/ZjF6B9f8nKNGGPbPJOWZuDAP6hu:BCytH6K18SfwOnoEKRPjoi6h

Malware Config

Extracted

Family

redline

Botnet

dopon

C2

185.161.248.75:4132

Attributes
  • auth_value

    8b75ad7ee23fb4d414b2c7174486600e

Extracted

Family

redline

Botnet

srala

C2

185.161.248.75:4132

Attributes
  • auth_value

    c90de493c232a904fb467fa366785cb6

Targets

    • Target

      cumloader-4noname.exe

    • Size

      1.1MB

    • MD5

      c611b4af1a4c2f5a9870bc7ef635c1af

    • SHA1

      a7154b0fd2183aeddc80f2520372195e30a2a420

    • SHA256

      83b3e742e5066c1bc02670f0e19db826c4d40c165e8d73f9ceb4bbcc36919d40

    • SHA512

      f5edf58f00aff1d04a6ba8ab90171c01031826d1a4d54151c4f62ba2bc45f9d70a4f3bbbae41f7db850588e4096643a8830bf6d1bc2aff08c81bfde6ceab0463

    • SSDEEP

      24576:6yC0HtNSi6K8LP1APcpSp19u/2/ZjF6B9f8nKNGGPbPJOWZuDAP6hu:BCytH6K18SfwOnoEKRPjoi6h

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • 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.

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks