General

  • Target

    Essential Mod Installer.exe

  • Size

    9.4MB

  • Sample

    240630-vjeata1cmc

  • MD5

    56a56b1d2ff754722fb0c95d55683e62

  • SHA1

    e1dfdb5654d8e98a43a6d385cb5dc5a2b317865f

  • SHA256

    07721b32b333bb894f484314cd56348cf973bd2f4a7ab91235d0a9bcfd6bcd16

  • SHA512

    0e48d5cb94dce5a8130b6b5e4f2d728be2e73b5bbcf58ca64adf8ce068530b072a8859cf744cabb69113f12547198fa170f81798e14ac083efb1732ca65a8799

  • SSDEEP

    98304:NTNrr65GwiQ8f28SpIxu80VbTmiXUd1hex0X4eSCHz3k2Ny:9tf2Ty1hcSPNy

Malware Config

Targets

    • Target

      Essential Mod Installer.exe

    • Size

      9.4MB

    • MD5

      56a56b1d2ff754722fb0c95d55683e62

    • SHA1

      e1dfdb5654d8e98a43a6d385cb5dc5a2b317865f

    • SHA256

      07721b32b333bb894f484314cd56348cf973bd2f4a7ab91235d0a9bcfd6bcd16

    • SHA512

      0e48d5cb94dce5a8130b6b5e4f2d728be2e73b5bbcf58ca64adf8ce068530b072a8859cf744cabb69113f12547198fa170f81798e14ac083efb1732ca65a8799

    • SSDEEP

      98304:NTNrr65GwiQ8f28SpIxu80VbTmiXUd1hex0X4eSCHz3k2Ny:9tf2Ty1hcSPNy

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks whether UAC is enabled

    • Downloads MZ/PE file

    • Enumerates connected drives

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

    • Event Triggered Execution: Image File Execution Options Injection

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Checks computer location settings

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

    • Drops file in System32 directory

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Active Setup

1
T1547.014

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Component Object Model Hijacking

1
T1546.015

Browser Extensions

1
T1176

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Active Setup

1
T1547.014

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Modify Registry

5
T1112

Discovery

System Information Discovery

6
T1082

Query Registry

6
T1012

Peripheral Device Discovery

1
T1120

Tasks