Overview

overview

10

Static

static

3

83a785be82...96.exe

windows7-x64

10

83a785be82...96.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    83a785be82ea5703368c9196649b5d96

  • Size

    432KB

  • Sample

    240131-gwtdlsdab7

  • MD5

    83a785be82ea5703368c9196649b5d96

  • SHA1

    91996d6ed0e2f8cb034f70881ac8cd8f89b8c894

  • SHA256

    651a200c5edb766e5c7273f75145020123f1928a09186c7a50c6df0aa34f78d3

  • SHA512

    f3c2c30bbc86b51d33f7e7ffe0c041f34db158f23a828fb43854f4ac1aabd4d4f70183872f6fddf6e64d58cc1e94b7e958436ec07f0bd40acb80a4e670809475

  • SSDEEP

    6144:N2v/6ZIA48NPl6Q2acbb41jMxdbxrP7i+yV1njfnGQnVeu:N3DcbS4dojfn5H

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      83a785be82ea5703368c9196649b5d96

    • Size

      432KB

    • MD5

      83a785be82ea5703368c9196649b5d96

    • SHA1

      91996d6ed0e2f8cb034f70881ac8cd8f89b8c894

    • SHA256

      651a200c5edb766e5c7273f75145020123f1928a09186c7a50c6df0aa34f78d3

    • SHA512

      f3c2c30bbc86b51d33f7e7ffe0c041f34db158f23a828fb43854f4ac1aabd4d4f70183872f6fddf6e64d58cc1e94b7e958436ec07f0bd40acb80a4e670809475

    • SSDEEP

      6144:N2v/6ZIA48NPl6Q2acbb41jMxdbxrP7i+yV1njfnGQnVeu:N3DcbS4dojfn5H

    Score
    10/10
    evasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Adds policy Run key to start application

      persistence

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

4
T1112

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks