Overview

overview

10

Static

static

1

bbd550a356...54.exe

windows7-x64

10

bbd550a356...54.exe

windows10-2004-x64

10

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General

  • Target

    50793b3b016fe3d7042a286e70c8c2db.bin

  • Size

    178KB

  • Sample

    230324-bxfagsdd5y

  • MD5

    fcd144c50b041c6b88e0e99917461aa5

  • SHA1

    5a9a0a654bdf7aad0c2ad18cab44d0d917914a70

  • SHA256

    6cd5954cd059e42320836890d56dc71c66b79c6286a718b4b90342970e9a229a

  • SHA512

    b2302fd6ccfe06de87ab0dd87dcec51c236345725d2175eda591834d4a295828182c5e14ecb4886732768c6f448e677297e2d9d705c569d4ff8bc70670906bbf

  • SSDEEP

    3072:8MlgQ80PZRZnUDxQN4XdyU6NbKYZTbmUUWHcP915IzGaBFgt/LnEhf+mm+YTjeXI:8MOQ8orZ/N+a0eThfcFrw5aVnCtYOXcZ

Score
10/10
pseudomanuscryptloader

Malware Config

Targets

    • Target

      bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254.exe

    • Size

      880KB

    • MD5

      50793b3b016fe3d7042a286e70c8c2db

    • SHA1

      636db5add1b385fdbe8f01a097a39aa64591fc8e

    • SHA256

      bbd550a356ad847fbec4080976e7f7d72b3d431d923df772b65880b7a5cc7254

    • SHA512

      b2035b2fcd0eb4b3874b2a0cf14ce25b17509129fe88924f1884a70e78b51a78922d6299e728b113754cbb1b21f02565c4367644d99712f93f052134a9ac91b3

    • SSDEEP

      6144:LQuiA1RTz/cYja2ieb5YbF5R+Jn8xH97r7FU1d43wUmDm:nz/9ja2ieFYp5R+I7uY

    Score
    10/10
    pseudomanuscryptloader

    • Detects PseudoManuscrypt payload

      loader

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • PseudoManuscrypt

      PseudoManuscrypt is a malware Lazarus’s Manuscrypt targeting government organizations and ICS.

      loaderpseudomanuscrypt

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks