Overview

overview

8

Static

static

3

877bae2503...5b.exe

windows7-x64

8

877bae2503...5b.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    877bae2503a91993edcf1a8b265a14b93f81354eb475fb1841c78c510345145b

  • Size

    770KB

  • Sample

    231014-ecbncagf34

  • MD5

    91e3443074086746c6e1fd908be17616

  • SHA1

    02feb77f0a5f536c8fb79f6b7f4aaaf23ad92c6d

  • SHA256

    877bae2503a91993edcf1a8b265a14b93f81354eb475fb1841c78c510345145b

  • SHA512

    55bc3887ad58c28e3e6b5711b9c0d26879287ac3ae9eb9aefe2366468606f7e27a1135679a900437b8f051b8ee01920d5ea874357f468a24a248cd4b15e2ebda

  • SSDEEP

    24576:O7eit0t9EsyC1XS64DbvYwdzv1n4WwwS6u3sK:O7eimfEsr1X/4wwbn4Wpi

Score
8/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      877bae2503a91993edcf1a8b265a14b93f81354eb475fb1841c78c510345145b

    • Size

      770KB

    • MD5

      91e3443074086746c6e1fd908be17616

    • SHA1

      02feb77f0a5f536c8fb79f6b7f4aaaf23ad92c6d

    • SHA256

      877bae2503a91993edcf1a8b265a14b93f81354eb475fb1841c78c510345145b

    • SHA512

      55bc3887ad58c28e3e6b5711b9c0d26879287ac3ae9eb9aefe2366468606f7e27a1135679a900437b8f051b8ee01920d5ea874357f468a24a248cd4b15e2ebda

    • SSDEEP

      24576:O7eit0t9EsyC1XS64DbvYwdzv1n4WwwS6u3sK:O7eimfEsr1X/4wwbn4Wpi

    Score
    8/10
    discoveryevasionpersistence

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

      evasion

    • Sets file execution options in registry

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Registers COM server for autorun

      persistence

    • Adds Run key to start application

      persistence

    • Blocklisted process makes network request

    • Checks installed software on the system

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

      discovery

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Modify Registry

5
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks