Overview

overview

10

Static

static

1

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    file.exe
  • Size 880KB
  • Sample230321-al64dsga27
  • SHA256 a759dfe145751752776c392ad2f5dffd1fa7f4e77e3f5daeeb2258baa2271262
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
pseudomanuscryptloader

Malware Config

Targets

    • Target
      file.exe
    • Size 880KB
    • SHA256 a759dfe145751752776c392ad2f5dffd1fa7f4e77e3f5daeeb2258baa2271262
    • MD5 SHA1 SHA512 SSDEEP
    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