Overview

overview

10

Static

static

3

afc1f63c00...fa.exe

windows7-x64

10

afc1f63c00...fa.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    afc1f63c00533b782dd4c4b63b523777141928f87426c342e6e1242f77256efa

  • Size

    100KB

  • Sample

    241223-ckv1vatrcr

  • MD5

    ad3556a56799292f80fd1b40607a6f1b

  • SHA1

    bb3fb0deafe72bf33f3ae2b265e96d0860b5ca61

  • SHA256

    afc1f63c00533b782dd4c4b63b523777141928f87426c342e6e1242f77256efa

  • SHA512

    fee5e829644a2405caeb7d373e3e4ec4c3f6d157eed4c07b5700932c2071ffd53ca8d1aca8f963c21aac02dbecb346776eca1e8503d964b3b90fc5a882c540d9

  • SSDEEP

    3072:3SH33SgnK8892pvCjQkrSgb3a3+X13XRzT:EnbM92pvVgL7aOl3BzT

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

      afc1f63c00533b782dd4c4b63b523777141928f87426c342e6e1242f77256efa

    • Size

      100KB

    • MD5

      ad3556a56799292f80fd1b40607a6f1b

    • SHA1

      bb3fb0deafe72bf33f3ae2b265e96d0860b5ca61

    • SHA256

      afc1f63c00533b782dd4c4b63b523777141928f87426c342e6e1242f77256efa

    • SHA512

      fee5e829644a2405caeb7d373e3e4ec4c3f6d157eed4c07b5700932c2071ffd53ca8d1aca8f963c21aac02dbecb346776eca1e8503d964b3b90fc5a882c540d9

    • SSDEEP

      3072:3SH33SgnK8892pvCjQkrSgb3a3+X13XRzT:EnbM92pvVgL7aOl3BzT

    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