Overview

overview

10

Static

static

3

f2ec3d0520...eN.exe

windows7-x64

10

f2ec3d0520...eN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f2ec3d05204f51636217a0f83d5c16bf20d00d1013092ca51bac99b9cd7a417eN.exe

  • Size

    93KB

  • Sample

    241123-1p5b3svkdm

  • MD5

    f5ce39a1fcd70f5e0b9514cb619a2010

  • SHA1

    3ebcd9fd8fa58af6df312c13b1c1c99995f7e2dc

  • SHA256

    f2ec3d05204f51636217a0f83d5c16bf20d00d1013092ca51bac99b9cd7a417e

  • SHA512

    2c2e855ebe9fe763add4a6621345358ad525bb7df40e9cfc4ac48f57d113814258700eeb5286d7a2c9665c53a01a88ee1ec9dc4e9b68bb52b7ff1559bae40d23

  • SSDEEP

    1536:3lgAcpM2N8T9giVpZNNXe3lF7Yn3V/mIFj57Tc/KRQjFRRs3cO57OWxXPu4n6yYn:3IpM2A9Nu337Y33jRA/KejFE9pui6yYn

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

      f2ec3d05204f51636217a0f83d5c16bf20d00d1013092ca51bac99b9cd7a417eN.exe

    • Size

      93KB

    • MD5

      f5ce39a1fcd70f5e0b9514cb619a2010

    • SHA1

      3ebcd9fd8fa58af6df312c13b1c1c99995f7e2dc

    • SHA256

      f2ec3d05204f51636217a0f83d5c16bf20d00d1013092ca51bac99b9cd7a417e

    • SHA512

      2c2e855ebe9fe763add4a6621345358ad525bb7df40e9cfc4ac48f57d113814258700eeb5286d7a2c9665c53a01a88ee1ec9dc4e9b68bb52b7ff1559bae40d23

    • SSDEEP

      1536:3lgAcpM2N8T9giVpZNNXe3lF7Yn3V/mIFj57Tc/KRQjFRRs3cO57OWxXPu4n6yYn:3IpM2A9Nu337Y33jRA/KejFE9pui6yYn

    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