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Overview

overview

10

Static

static

3

f29c8ebe36...62.exe

windows7-x64

10

f29c8ebe36...62.exe

windows10-2004-x64

10

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General

  • Target

    f29c8ebe366238efc013e4ec4d204c21ebdfbc17eadb48758a5db05663979262

  • Size

    71KB

  • Sample

    250305-pzdrbsywaw

  • MD5

    254faa3e7dc8da6fbbf8e2d3a046a01b

  • SHA1

    16a2124519b1086cc117cfd7b66ddc9c03d69f54

  • SHA256

    f29c8ebe366238efc013e4ec4d204c21ebdfbc17eadb48758a5db05663979262

  • SHA512

    520d5b760d2fd244a3152fdf34394b7c8728824dc3ddc93728d877d040a18bd6f14f7f08591afe67830fe8295ae629a587c5ed8f914a1d7b3b3b4bd3c7c6c8e0

  • SSDEEP

    1536:rmfYyUV9ZAhEByXnJnqos83bTcRKJisxsLRQiK1P+ATT:KgyUwEcndps8LrF6exP+A3

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

      f29c8ebe366238efc013e4ec4d204c21ebdfbc17eadb48758a5db05663979262

    • Size

      71KB

    • MD5

      254faa3e7dc8da6fbbf8e2d3a046a01b

    • SHA1

      16a2124519b1086cc117cfd7b66ddc9c03d69f54

    • SHA256

      f29c8ebe366238efc013e4ec4d204c21ebdfbc17eadb48758a5db05663979262

    • SHA512

      520d5b760d2fd244a3152fdf34394b7c8728824dc3ddc93728d877d040a18bd6f14f7f08591afe67830fe8295ae629a587c5ed8f914a1d7b3b3b4bd3c7c6c8e0

    • SSDEEP

      1536:rmfYyUV9ZAhEByXnJnqos83bTcRKJisxsLRQiK1P+ATT:KgyUwEcndps8LrF6exP+A3

    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