General

  • Target

    4b10ba4a00d6161573b7d3a2409ba9a426b7255d241f2ef25d71dd640fc3c886N.exe

  • Size

    896KB

  • Sample

    241207-21k81synbt

  • MD5

    ea7fec9ecd68a415e61c33b09b13e950

  • SHA1

    7c3de438b11e6d1e060982bc2ee18689f9106677

  • SHA256

    4b10ba4a00d6161573b7d3a2409ba9a426b7255d241f2ef25d71dd640fc3c886

  • SHA512

    a5a9cec23ac0a2bdfe462f76cf51418602de30dead68572b01afad8a931e6d12018bb904d93140910cb86667374c9fb89c688a72fc064f794ff355f48e109e25

  • SSDEEP

    12288:IRs4HWpBnUNByvNv54B9f01ZmqLonfBHLqF1Nw5ILonfByvNv5HV:L7pB3vr4B9f01ZmoENOVvr1

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      4b10ba4a00d6161573b7d3a2409ba9a426b7255d241f2ef25d71dd640fc3c886N.exe

    • Size

      896KB

    • MD5

      ea7fec9ecd68a415e61c33b09b13e950

    • SHA1

      7c3de438b11e6d1e060982bc2ee18689f9106677

    • SHA256

      4b10ba4a00d6161573b7d3a2409ba9a426b7255d241f2ef25d71dd640fc3c886

    • SHA512

      a5a9cec23ac0a2bdfe462f76cf51418602de30dead68572b01afad8a931e6d12018bb904d93140910cb86667374c9fb89c688a72fc064f794ff355f48e109e25

    • SSDEEP

      12288:IRs4HWpBnUNByvNv54B9f01ZmqLonfBHLqF1Nw5ILonfByvNv5HV:L7pB3vr4B9f01ZmoENOVvr1

    • Adds autorun key to be loaded by Explorer.exe on startup

    • Berbew

      Berbew is a backdoor written in C++.

    • Berbew family

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks