General

  • Target

    RFQ10675000162Doc.7z

  • Size

    1.7MB

  • Sample

    240515-rxg23sdh66

  • MD5

    2471e9d267119c5e303ac4ba7cf13806

  • SHA1

    9a3bba80df896eaf7e7e3cd77ffb50a2ff1d2d6a

  • SHA256

    00e715ce64eb10038453c97389c966f1940251b4422bc488b782fd8af4c761ed

  • SHA512

    3eef3cb75acf7875a7d62ef88177ee6f0287f1022a50085dcb997e119a6c4091e539912e81bafc0f093fbf1867f61a29950aedb591e8a57103d3179171e31923

  • SSDEEP

    49152:/hCphg4tRB+dFk6toKYB1j2Ca608LI/JoCROC:/hCpL+db2KmVgCI3R/

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    sendalaser@fahnfinance.shop
  • Password:
    d9GOyTceXsMT
  • Email To:
    laser@fahnfinance.shop

Targets

    • Target

      RFQ10675000162Doc.7z

    • Size

      1.7MB

    • MD5

      2471e9d267119c5e303ac4ba7cf13806

    • SHA1

      9a3bba80df896eaf7e7e3cd77ffb50a2ff1d2d6a

    • SHA256

      00e715ce64eb10038453c97389c966f1940251b4422bc488b782fd8af4c761ed

    • SHA512

      3eef3cb75acf7875a7d62ef88177ee6f0287f1022a50085dcb997e119a6c4091e539912e81bafc0f093fbf1867f61a29950aedb591e8a57103d3179171e31923

    • SSDEEP

      49152:/hCphg4tRB+dFk6toKYB1j2Ca608LI/JoCROC:/hCpL+db2KmVgCI3R/

    • 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#.

    • Executes dropped EXE

    • 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

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Tasks