Overview

overview

10

Static

static

8a3811e5cc...9e.exe

windows7_x64

10

8a3811e5cc...9e.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    8a3811e5ccbc31361ebcf1451d69e406952f43c133779b0c25746fe5005eff9e

  • Size

    4.7MB

  • Sample

    220520-1jgntsdhh7

  • MD5

    952d19462a8b71553eb09ab55c3e8e4c

  • SHA1

    7a905612d16592ea04ba5dc2162950cc00a6cf5e

  • SHA256

    8a3811e5ccbc31361ebcf1451d69e406952f43c133779b0c25746fe5005eff9e

  • SHA512

    052b38fd607334c167e835a872413ae0c09cdbf5c778f2d391067b50849c9e4260f54aec6dc9c2fcb5a3efd88cfdb2581fef1533e82ae74062a517f4d6dcb569

Score
10/10
discoveryevasionpersistencetrojan

Malware Config

Targets

    • Target

      8a3811e5ccbc31361ebcf1451d69e406952f43c133779b0c25746fe5005eff9e

    • Size

      4.7MB

    • MD5

      952d19462a8b71553eb09ab55c3e8e4c

    • SHA1

      7a905612d16592ea04ba5dc2162950cc00a6cf5e

    • SHA256

      8a3811e5ccbc31361ebcf1451d69e406952f43c133779b0c25746fe5005eff9e

    • SHA512

      052b38fd607334c167e835a872413ae0c09cdbf5c778f2d391067b50849c9e4260f54aec6dc9c2fcb5a3efd88cfdb2581fef1533e82ae74062a517f4d6dcb569

    Score
    10/10
    discoveryevasionpersistencetrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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

    • Checks whether UAC is enabled

      evasiontrojan
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

5
T1112

Hidden Files and Directories

1
T1158

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks