Overview

overview

10

Static

static

3

84c2b08c26...f2.exe

windows7-x64

10

84c2b08c26...f2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    84c2b08c26db2bbe9efd7c71ce82a103cc8eac5ed774432961c931aed3c8f8f2

  • Size

    95KB

  • Sample

    250307-1q8qwsylx4

  • MD5

    a0950fa2910089ff5a119f644e6d3bae

  • SHA1

    0417fdc8a2b8f2ce7be4c33dd2aa844b79d33fb8

  • SHA256

    84c2b08c26db2bbe9efd7c71ce82a103cc8eac5ed774432961c931aed3c8f8f2

  • SHA512

    43c384d6f067fdc09752a43663d31f2e5b298ac358a0ac92aec5b6edeeaa1640beedc43bd66cd28fe3d7fbe96890c4bba824f48460789daa681cd3537cc07079

  • SSDEEP

    1536:aXNvlzWaDYH6Rg6eNkM0nJyjSLrzLOM6bOLXi8PmCofGV:MbQN10nEjGzLDrLXfzoeV

Score
10/10
berbewbackdoordiscoverypersistence

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

      84c2b08c26db2bbe9efd7c71ce82a103cc8eac5ed774432961c931aed3c8f8f2

    • Size

      95KB

    • MD5

      a0950fa2910089ff5a119f644e6d3bae

    • SHA1

      0417fdc8a2b8f2ce7be4c33dd2aa844b79d33fb8

    • SHA256

      84c2b08c26db2bbe9efd7c71ce82a103cc8eac5ed774432961c931aed3c8f8f2

    • SHA512

      43c384d6f067fdc09752a43663d31f2e5b298ac358a0ac92aec5b6edeeaa1640beedc43bd66cd28fe3d7fbe96890c4bba824f48460789daa681cd3537cc07079

    • SSDEEP

      1536:aXNvlzWaDYH6Rg6eNkM0nJyjSLrzLOM6bOLXi8PmCofGV:MbQN10nEjGzLDrLXfzoeV

    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