General

  • Target

    Documents Of DHL -BL- AWB- 8976453410.exe

  • Size

    626KB

  • Sample

    240523-wyrp5abf3z

  • MD5

    5f73c9853e26a72d00acb018db8a9175

  • SHA1

    62b92ce12a85ef418deed00c907d32660162c9e1

  • SHA256

    e470ca1515de30d455b70bdeef3b2d1cc9a479f66e245843c0a235e6f0859943

  • SHA512

    28f71e2b9f42c2db1a3615ad31837bf2c23529bbefe0b171102be58669a2eb0809cc256cdc4200ca157f79ef554a1069d11c4c0c6d7b16ac9b5bb46557e5c61a

  • SSDEEP

    12288:6FaXafmDSosLsjGLjvo3fNnRTLr16Mtol0fLtnccS5k7TSjBS47r0BS:6FaX3zLGLroPNnRTLkMtRfLScS5ESV0M

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6814314158:AAEkRl6H9QdGzzoVC6YfWI-wFLiqXO8LEls/

Targets

    • Target

      Documents Of DHL -BL- AWB- 8976453410.exe

    • Size

      626KB

    • MD5

      5f73c9853e26a72d00acb018db8a9175

    • SHA1

      62b92ce12a85ef418deed00c907d32660162c9e1

    • SHA256

      e470ca1515de30d455b70bdeef3b2d1cc9a479f66e245843c0a235e6f0859943

    • SHA512

      28f71e2b9f42c2db1a3615ad31837bf2c23529bbefe0b171102be58669a2eb0809cc256cdc4200ca157f79ef554a1069d11c4c0c6d7b16ac9b5bb46557e5c61a

    • SSDEEP

      12288:6FaXafmDSosLsjGLjvo3fNnRTLr16Mtol0fLtnccS5k7TSjBS47r0BS:6FaX3zLGLroPNnRTLkMtRfLScS5ESV0M

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • UAC bypass

    • Windows security bypass

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

3
T1562

Disable or Modify Tools

3
T1562.001

Modify Registry

4
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

4
T1005

Tasks