Overview

overview

10

Static

static

3

88592d9a80...4N.exe

windows7-x64

10

88592d9a80...4N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    88592d9a803019148fb26cf8a465cfff0dc4b6db5dfd5a968b5b1cb068640024N.exe

  • Size

    896KB

  • Sample

    241208-a1yesssphz

  • MD5

    42ab3404e58bcef958fe588458fb93b0

  • SHA1

    d5bab6623be61fd1fe0f5cf757af598d765a9536

  • SHA256

    88592d9a803019148fb26cf8a465cfff0dc4b6db5dfd5a968b5b1cb068640024

  • SHA512

    ca0c9bdcfff0b7900aece261e87a68028f434c2f7cfda121a42e0b31d1ffa627ef23ef9f5ebee44ce5cd0d9d183641bf1320639f61ef3d76ecb40defa0812945

  • SSDEEP

    12288:nqiCk/ByvNv54B9f01ZmHByvNv5VwLonfBHLqF1Nw5ILonfByvNv5HV:nkvr4B9f01ZmQvrUENOVvr1

Score
10/10
berbewbackdoordiscoverypersistence

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

      88592d9a803019148fb26cf8a465cfff0dc4b6db5dfd5a968b5b1cb068640024N.exe

    • Size

      896KB

    • MD5

      42ab3404e58bcef958fe588458fb93b0

    • SHA1

      d5bab6623be61fd1fe0f5cf757af598d765a9536

    • SHA256

      88592d9a803019148fb26cf8a465cfff0dc4b6db5dfd5a968b5b1cb068640024

    • SHA512

      ca0c9bdcfff0b7900aece261e87a68028f434c2f7cfda121a42e0b31d1ffa627ef23ef9f5ebee44ce5cd0d9d183641bf1320639f61ef3d76ecb40defa0812945

    • SSDEEP

      12288:nqiCk/ByvNv54B9f01ZmHByvNv5VwLonfBHLqF1Nw5ILonfByvNv5HV:nkvr4B9f01ZmQvrUENOVvr1

    Score
    10/10
    berbewbackdoordiscoverypersistence

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

      persistence

    • Berbew

      Berbew is a backdoor written in C++.

      backdoorberbew

    • Berbew family

      berbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks