Overview

overview

10

Static

static

3

31f86b190d...95.exe

windows7-x64

10

31f86b190d...95.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    31f86b190d766ebf5923411fa2b70290f74e94c916f6a93144718d862b1b4b95

  • Size

    90KB

  • Sample

    241209-ze9clsvrdp

  • MD5

    9e604329de7fa7444c8bfe2b4e93fea7

  • SHA1

    bf62c05e7a293b69e25ec02cc19457b14fbd221a

  • SHA256

    31f86b190d766ebf5923411fa2b70290f74e94c916f6a93144718d862b1b4b95

  • SHA512

    9a84b670744968bb1e7ccddda877e8fb4740d410952394bb67ea69046a3a3acc846e5c06a56815781608b32556965e9a683116f16f49a397724ba2e84b9ec299

  • SSDEEP

    1536:9ulo27tM0boOInM32OrFmV+THuF/YCnVJUxNO2/MnFGou/Ub0VkVNK:9b27tM0bvwOhmV+THuFxn2/MnFGou/UW

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

      31f86b190d766ebf5923411fa2b70290f74e94c916f6a93144718d862b1b4b95

    • Size

      90KB

    • MD5

      9e604329de7fa7444c8bfe2b4e93fea7

    • SHA1

      bf62c05e7a293b69e25ec02cc19457b14fbd221a

    • SHA256

      31f86b190d766ebf5923411fa2b70290f74e94c916f6a93144718d862b1b4b95

    • SHA512

      9a84b670744968bb1e7ccddda877e8fb4740d410952394bb67ea69046a3a3acc846e5c06a56815781608b32556965e9a683116f16f49a397724ba2e84b9ec299

    • SSDEEP

      1536:9ulo27tM0boOInM32OrFmV+THuF/YCnVJUxNO2/MnFGou/Ub0VkVNK:9b27tM0bvwOhmV+THuFxn2/MnFGou/UW

    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