Overview

overview

10

Static

static

3

2a1eb09aab...9N.exe

windows7-x64

10

2a1eb09aab...9N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2a1eb09aab9f066c2f54d0a8e37b612186414c51b6025f2c766cc8f03cdaee19N.exe

  • Size

    74KB

  • Sample

    241123-wrd6fswjhm

  • MD5

    745d116ddec33ddb3b4aac4944d18c50

  • SHA1

    c187e195d8814dea76ebdc918aa19697cfb35ddf

  • SHA256

    2a1eb09aab9f066c2f54d0a8e37b612186414c51b6025f2c766cc8f03cdaee19

  • SHA512

    9d998c4ba83957726bef9b9cc14dddc03054657f78e3d7d21f7a341dd4b82cc1f6aa09c06032eaf709408a2d4a4fa20ac21512d0d4780f0911e154c40ece48bf

  • SSDEEP

    1536:vbLvtGD32Pyw5RHV0fsJlponSr2a9PXeHBFID7CWa4Phx6:vPvAD32Pz530fsTESr4BevCW3Phx6

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

      2a1eb09aab9f066c2f54d0a8e37b612186414c51b6025f2c766cc8f03cdaee19N.exe

    • Size

      74KB

    • MD5

      745d116ddec33ddb3b4aac4944d18c50

    • SHA1

      c187e195d8814dea76ebdc918aa19697cfb35ddf

    • SHA256

      2a1eb09aab9f066c2f54d0a8e37b612186414c51b6025f2c766cc8f03cdaee19

    • SHA512

      9d998c4ba83957726bef9b9cc14dddc03054657f78e3d7d21f7a341dd4b82cc1f6aa09c06032eaf709408a2d4a4fa20ac21512d0d4780f0911e154c40ece48bf

    • SSDEEP

      1536:vbLvtGD32Pyw5RHV0fsJlponSr2a9PXeHBFID7CWa4Phx6:vPvAD32Pz530fsTESr4BevCW3Phx6

    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