Overview

overview

8

Static

static

5

msvcp140.dll

windows10-2004-x64

1

msvcp140.dll

windows11-ltsc_2024-x64

1

trucker_info.exe

windows10-2004-x64

1

trucker_info.exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    trucker_info.zip
  • Size 133KB
  • Sample260804-l92pcss1dv
  • SHA256 b482fa39dc924a5e6557ebb76d296bcd7cea9fd5580b44e3222893a07b85e9ec
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
backdoordiscoverypersistenceprivilege_escalationratrevoked_codesign

Malware Config

Targets

    • Target
      msvcp140.dll
    • Size 151KB
    • SHA256 8d41b053caa71fc65e86054bd81bb2a34dbbc8d132dfd0a63cabcd47add75623
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    behavioral1behavioral2
    • Target
      trucker_info.exe
    • Size 239KB
    • SHA256 130a4605825eea29caadb8594dd5a1762c18d778759eebcc648b4b96596ce20f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    backdoordiscoverypersistenceprivilege_escalationratrevoked_codesign

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

      persistence

    • Signed with revoked ConnectWise certificate

      Binary is signed using a ConnectWise certificate revoked for key compromise.

      revoked_codesign

    • ConnectWise ScreenConnect remote access tool

      ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

      backdoorrat

    • Enumerates connected drives

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

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

      persistenceprivilege_escalation

    • 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.

      persistenceprivilege_escalation
    behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Authentication Package

1
T1547.002

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Authentication Package

1
T1547.002

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks