General

  • Target

    MT_08312_167027.exe

  • Size

    130KB

  • Sample

    240624-nlj6hszbpe

  • MD5

    8a82bc638ef7460d3d34eeb197826cb6

  • SHA1

    94b8829259e596f14b6d734701203ece0e0b0cfe

  • SHA256

    537ac001bfa8a1b6f2c7faab2e602493bae7472095af0aa616ddc5891f1d8145

  • SHA512

    a005df3f4cc5ab148278fa46c48161c00bf40625d5416476cd512c8d7fb416b02a56a4bc9b7f82a7f434a8c61ee56676173abe66d6e4971bdbb32628b8b7edb8

  • SSDEEP

    1536:xkzyh9vFEzeAJgZgqA/bnKGU6Lk8u2qHlllllllOdQlwEn+glllllllllllllllB:QynvCeugyqAznKEtYwiVxw5lM

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      MT_08312_167027.exe

    • Size

      130KB

    • MD5

      8a82bc638ef7460d3d34eeb197826cb6

    • SHA1

      94b8829259e596f14b6d734701203ece0e0b0cfe

    • SHA256

      537ac001bfa8a1b6f2c7faab2e602493bae7472095af0aa616ddc5891f1d8145

    • SHA512

      a005df3f4cc5ab148278fa46c48161c00bf40625d5416476cd512c8d7fb416b02a56a4bc9b7f82a7f434a8c61ee56676173abe66d6e4971bdbb32628b8b7edb8

    • SSDEEP

      1536:xkzyh9vFEzeAJgZgqA/bnKGU6Lk8u2qHlllllllOdQlwEn+glllllllllllllllB:QynvCeugyqAznKEtYwiVxw5lM

    • AgentTesla

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

    • PureLog Stealer

      PureLog Stealer is an infostealer written in C#.

    • PureLog Stealer payload

    • 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.

    • Adds Run key to start application

    • 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

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks