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

    308KB

  • Sample

    230307-rg86maac68

  • MD5

    75de993ffc429a40b338f5ab5f42f51d

  • SHA1

    d6ccae60897a050b2aa9ecbdf553bc8da116be7e

  • SHA256

    d75bdc11107b27e7602f31a93896dbc589dbd313cbb5e76a00d695208218e92a

  • SHA512

    5c249827b118c7a26776110405f4c83540c1fe01d394860320d9a1e2010248cb9cd4958dc9246589d845d61ed47b523cc931e32a269e47c5ba734601963bf7ec

  • SSDEEP

    6144:bOsY+HgEiTA14Xn0Ti8v1bbFgXIQdjrfzNt1iEP3:i814Xn0Ti8tbJyIQdjrfzMEP3

Score
10/10
pseudomanuscryptloader

Malware Config

Targets

    • Target

      file.exe

    • Size

      308KB

    • MD5

      75de993ffc429a40b338f5ab5f42f51d

    • SHA1

      d6ccae60897a050b2aa9ecbdf553bc8da116be7e

    • SHA256

      d75bdc11107b27e7602f31a93896dbc589dbd313cbb5e76a00d695208218e92a

    • SHA512

      5c249827b118c7a26776110405f4c83540c1fe01d394860320d9a1e2010248cb9cd4958dc9246589d845d61ed47b523cc931e32a269e47c5ba734601963bf7ec

    • SSDEEP

      6144:bOsY+HgEiTA14Xn0Ti8v1bbFgXIQdjrfzNt1iEP3:i814Xn0Ti8tbJyIQdjrfzMEP3

    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