General

  • Target

    a3b3e417dc721aaa4fdcaa8f65eef81a.exe

  • Size

    312KB

  • Sample

    230222-m327zsba34

  • MD5

    a3b3e417dc721aaa4fdcaa8f65eef81a

  • SHA1

    21ea098b035b5fd93037054f59ee506aa66d030c

  • SHA256

    9d6f720f4d9bd455371b863ce479c490ebb437ff53c1635fe7befd5eff30af10

  • SHA512

    10b658b0b440c01bf0d1fe49c5092b82a59ba8c4ebd214b4c7b3fae8f3d8c4d67598154bf53e13fbf80174bf7411b4f12e044832967c528c5f917efe5b6f2585

  • SSDEEP

    6144:E4PWLN3m+XeeqeO0UQeQ8KbLVHqAQg5jIQshEPn:6aeqeO0UQB8KFHqAYhEPn

Malware Config

Targets

    • Target

      a3b3e417dc721aaa4fdcaa8f65eef81a.exe

    • Size

      312KB

    • MD5

      a3b3e417dc721aaa4fdcaa8f65eef81a

    • SHA1

      21ea098b035b5fd93037054f59ee506aa66d030c

    • SHA256

      9d6f720f4d9bd455371b863ce479c490ebb437ff53c1635fe7befd5eff30af10

    • SHA512

      10b658b0b440c01bf0d1fe49c5092b82a59ba8c4ebd214b4c7b3fae8f3d8c4d67598154bf53e13fbf80174bf7411b4f12e044832967c528c5f917efe5b6f2585

    • SSDEEP

      6144:E4PWLN3m+XeeqeO0UQeQ8KbLVHqAQg5jIQshEPn:6aeqeO0UQB8KFHqAYhEPn

    • Detects PseudoManuscrypt payload

    • 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.

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Tasks