Overview

overview

9

Static

static

1

ac1a7c20a8...5b.exe

windows7-x64

9

ac1a7c20a8...5b.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    ac1a7c20a8b82d0a7f88a88ec2ba9c5b

  • Size

    1.8MB

  • Sample

    230411-ar22mahd85

  • MD5

    ac1a7c20a8b82d0a7f88a88ec2ba9c5b

  • SHA1

    d6038c54508285e9a91f9b91df8b1ab68545b609

  • SHA256

    a1c3849c60a5d2e2a1ea7395310bf7ef4aefa043a211322223295724475a26af

  • SHA512

    e7969935330a1db8a926bca4098399285586a0d019b9340dd84411c61beac89d0c304316fc21d4630b07feb69ee539d81d774723d8ad09cb0ba973989b5a3f9d

  • SSDEEP

    49152:KolvmehC5I7hjyWUeSLaXC8DOy5rNj7zA7DO4X:KolvmO+I7VysJPxiDt

Score
9/10
coreentitydiscoverypersistence

Malware Config

Targets

    • Target

      ac1a7c20a8b82d0a7f88a88ec2ba9c5b

    • Size

      1.8MB

    • MD5

      ac1a7c20a8b82d0a7f88a88ec2ba9c5b

    • SHA1

      d6038c54508285e9a91f9b91df8b1ab68545b609

    • SHA256

      a1c3849c60a5d2e2a1ea7395310bf7ef4aefa043a211322223295724475a26af

    • SHA512

      e7969935330a1db8a926bca4098399285586a0d019b9340dd84411c61beac89d0c304316fc21d4630b07feb69ee539d81d774723d8ad09cb0ba973989b5a3f9d

    • SSDEEP

      49152:KolvmehC5I7hjyWUeSLaXC8DOy5rNj7zA7DO4X:KolvmO+I7VysJPxiDt

    Score
    9/10
    coreentitydiscoverypersistence

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

      coreentity

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks