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General

  • Target

    6a592a4498fbeb7aa95167da40bf5b200b7f3320bb2a3b80556a479998a97862N

  • Size

    1.3MB

  • Sample

    241005-egalvaybkb

  • MD5

    7259ba91ebe90af0d3b8abc8703cb020

  • SHA1

    a2f8b1143210999fa64eb7e9a9c9a79349da988e

  • SHA256

    6a592a4498fbeb7aa95167da40bf5b200b7f3320bb2a3b80556a479998a97862

  • SHA512

    f900005bacb048deaa2ca5950b1d35929779b181040144d7f52e898ef0ba87270b32c22bfdcaa25fcf0f8b776b861c8dc863418d87a02c2f58a44135af22b31e

  • SSDEEP

    6144:wuGf/QN3cE5ZC2npb+oB+Zz2HG8t0DoEWufVuvw0HBHY8rQ+6bPD3wPSk8ymL2Mn:wuGf/JAbaz22cWfVaw0HBHY8r8ABjMn

Malware Config

Extracted

Family

berbew

C2

http://f/wcmd.htm

http://f/ppslog.php

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

Targets

    • Target

      6a592a4498fbeb7aa95167da40bf5b200b7f3320bb2a3b80556a479998a97862N

    • Size

      1.3MB

    • MD5

      7259ba91ebe90af0d3b8abc8703cb020

    • SHA1

      a2f8b1143210999fa64eb7e9a9c9a79349da988e

    • SHA256

      6a592a4498fbeb7aa95167da40bf5b200b7f3320bb2a3b80556a479998a97862

    • SHA512

      f900005bacb048deaa2ca5950b1d35929779b181040144d7f52e898ef0ba87270b32c22bfdcaa25fcf0f8b776b861c8dc863418d87a02c2f58a44135af22b31e

    • SSDEEP

      6144:wuGf/QN3cE5ZC2npb+oB+Zz2HG8t0DoEWufVuvw0HBHY8rQ+6bPD3wPSk8ymL2Mn:wuGf/JAbaz22cWfVaw0HBHY8r8ABjMn

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

    • Berbew

      Berbew is a backdoor written in C++.

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks