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Overview

overview

10

Static

static

10

9d5cc05581...e5.exe

windows7-x64

10

9d5cc05581...e5.exe

windows10-2004-x64

10

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General

  • Target

    9d5cc055816bc7ca8696b3fcdbdffe0b069371ef7144ac4d5fff30440c156ce5

  • Size

    386KB

  • Sample

    250308-gw1spaspx3

  • MD5

    b35038646f5466b103ee5925e332e1dc

  • SHA1

    5c437fcac1834f4fbaa39b9861945d2944651a67

  • SHA256

    9d5cc055816bc7ca8696b3fcdbdffe0b069371ef7144ac4d5fff30440c156ce5

  • SHA512

    3fe40793e1858d884527d97caf798503934e87b48a1a7f1ee0fcff84c4c7915ef0760f45593af29f7877c5b97ed85520c74536d7673c06ed01dd08a0842dd817

  • SSDEEP

    12288:sC4sgz3hwQZ7287xmPFRkfJg9qwQZ7287xmPB:sw2hZZ/aFKm9qZZ/aB

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

      9d5cc055816bc7ca8696b3fcdbdffe0b069371ef7144ac4d5fff30440c156ce5

    • Size

      386KB

    • MD5

      b35038646f5466b103ee5925e332e1dc

    • SHA1

      5c437fcac1834f4fbaa39b9861945d2944651a67

    • SHA256

      9d5cc055816bc7ca8696b3fcdbdffe0b069371ef7144ac4d5fff30440c156ce5

    • SHA512

      3fe40793e1858d884527d97caf798503934e87b48a1a7f1ee0fcff84c4c7915ef0760f45593af29f7877c5b97ed85520c74536d7673c06ed01dd08a0842dd817

    • SSDEEP

      12288:sC4sgz3hwQZ7287xmPFRkfJg9qwQZ7287xmPB:sw2hZZ/aFKm9qZZ/aB

    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