General

  • Target

    copy1065271118.exe

  • Size

    208KB

  • Sample

    240429-r3pn4sda82

  • MD5

    1ced29f06f2257b908d62139dece62a6

  • SHA1

    2717a31978b483a3257ebb996ff522359a10ded0

  • SHA256

    267ce4785bf50413832611771a779f00c9c81eec65cc0ac2e8a4ff150bfbe2ec

  • SHA512

    b61bc78ea1f86c922f3bc8280af20ed84834657b20ec1f1c4c9b5d5216781294ec7803d9ac7fc131245c74c54c99626470841630b4b65a787fee46bb04f5739e

  • SSDEEP

    3072:yfu3oRiKNnCDDRvLGmrOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/oPYm21KLbDoM:fooWstvLGtELbMUTKZ

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    YuWsikfV67lD

Targets

    • Target

      copy1065271118.exe

    • Size

      208KB

    • MD5

      1ced29f06f2257b908d62139dece62a6

    • SHA1

      2717a31978b483a3257ebb996ff522359a10ded0

    • SHA256

      267ce4785bf50413832611771a779f00c9c81eec65cc0ac2e8a4ff150bfbe2ec

    • SHA512

      b61bc78ea1f86c922f3bc8280af20ed84834657b20ec1f1c4c9b5d5216781294ec7803d9ac7fc131245c74c54c99626470841630b4b65a787fee46bb04f5739e

    • SSDEEP

      3072:yfu3oRiKNnCDDRvLGmrOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/oPYm21KLbDoM:fooWstvLGtELbMUTKZ

    • AgentTesla

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

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • 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

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

Collection

Data from Local System

4
T1005

Tasks