Overview

overview

10

Static

static

1

b9a81253d8...ab.exe

windows7-x64

10

b9a81253d8...ab.exe

windows10-2004-x64

10

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General

  • Target

    a64c4c4083e817d1b75536c30dd0ce5e.bin

  • Size

    156KB

  • Sample

    230224-b41j1abg4w

  • MD5

    501d6a738598dd3d2f0dec8327e6dee0

  • SHA1

    0aba4f11385e3cb4f823a6bd4b9e9ffd6a4416e7

  • SHA256

    e708c9dd06084c5c9f0c9a006bb12c484a155358001cea5d990f85519fdf56d9

  • SHA512

    4c95ae8651443b04c204c9541054ccf7e78b9f5a5d3dd231747ea57b60a751aa397c1c8e38835c556d8333e072a1a1e068b16f2bf9ddf167914985b4bc550b68

  • SSDEEP

    3072:WXM4hnHxnDAjHqn5yRZKtSErmSHaqgEpIUudnDwvLdMnU4NfU+AMU+LSMlphMcd:WX9hHijHqERZo6s17udn29/ktlphTd

Score
10/10
pseudomanuscryptloader

Malware Config

Targets

    • Target

      b9a81253d85a5da410ec8cf345c2444ec09739e5c9842e4031195209bacbf8ab.exe

    • Size

      312KB

    • MD5

      a64c4c4083e817d1b75536c30dd0ce5e

    • SHA1

      a4667b3ae9b83bc12f9d53543c41783b343afac3

    • SHA256

      b9a81253d85a5da410ec8cf345c2444ec09739e5c9842e4031195209bacbf8ab

    • SHA512

      fa39341ae0d245459174707c4dfd5fa4830e26eb7b58a1c81395977a27536ef1813bc42c2536556901a8a9cb238bd88b081df602f4d2a5242c95320d55d80d8f

    • SSDEEP

      6144:E4PWLN3m+XeeqeO0UQeQ8KbLVHqAQg5jIQs8EPn:6aeqeO0UQB8KFHqAY8EPn

    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