Overview

overview

10

Static

static

1

a1c5f268d6...20.exe

windows7-x64

10

a1c5f268d6...20.exe

windows10-2004-x64

10

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General

  • Target

    a1c5f268d670ba3a4440647bdeaa3e20.exe

  • Size

    308KB

  • Sample

    230309-bwtfqagh7y

  • MD5

    a1c5f268d670ba3a4440647bdeaa3e20

  • SHA1

    e79227b1a17dc76882f9eef1d65eb7588cce21a4

  • SHA256

    1868f0807fb9ad9be1629bc214b755ede9937036622ef31ae877617aba840080

  • SHA512

    7d43dd7edf54e5853eeea1636e3d05b7880f420d3cfdefc133e53287bb6814ac17921603922ac6c469540564a04d7a6504da5e79d711faff4148b0e7f68c2527

  • SSDEEP

    6144:bOsY+HgEiTA14Xn0Ti8v1bbFgXIQdjrfzNt1zEP3:i814Xn0Ti8tbJyIQdjrfzBEP3

Score
10/10
pseudomanuscryptloader

Malware Config

Targets

    • Target

      a1c5f268d670ba3a4440647bdeaa3e20.exe

    • Size

      308KB

    • MD5

      a1c5f268d670ba3a4440647bdeaa3e20

    • SHA1

      e79227b1a17dc76882f9eef1d65eb7588cce21a4

    • SHA256

      1868f0807fb9ad9be1629bc214b755ede9937036622ef31ae877617aba840080

    • SHA512

      7d43dd7edf54e5853eeea1636e3d05b7880f420d3cfdefc133e53287bb6814ac17921603922ac6c469540564a04d7a6504da5e79d711faff4148b0e7f68c2527

    • SSDEEP

      6144:bOsY+HgEiTA14Xn0Ti8v1bbFgXIQdjrfzNt1zEP3:i814Xn0Ti8tbJyIQdjrfzBEP3

    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