General

  • Target

    28ae50df5476e1f72dba72f625ee2d690887c0ee104b45f3efa7e8052a741672

  • Size

    710KB

  • Sample

    240426-cjcg4shc23

  • MD5

    109d49581882d688cc7f15d14a10ed32

  • SHA1

    8c14bcf4484d5095bf113e880dcf6ebc0009b101

  • SHA256

    28ae50df5476e1f72dba72f625ee2d690887c0ee104b45f3efa7e8052a741672

  • SHA512

    450906f0f45e61df0ccffd9e85d3a7ecaf19d2e16bd57f27a32d663f8faead38e829b7dda48b0a7cce07a37c244881d65eaf673e11750c306edc3c100ad48c6f

  • SSDEEP

    12288:YWYIPXjxannnHg2AFivwlwZXw+31hdmiMlOQ27JpUjSEiQPr+P1xKfFKBTBXLeyB:YWYIPFannnHg2+ivQ7i1GXlOX7/N2PoH

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.klikekspogroup.com
  • Port:
    587
  • Username:
    migena@klikekspogroup.com
  • Password:
    migenapass123
  • Email To:
    nnashid@proton.me

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.klikekspogroup.com
  • Port:
    587
  • Username:
    migena@klikekspogroup.com
  • Password:
    migenapass123

Targets

    • Target

      28ae50df5476e1f72dba72f625ee2d690887c0ee104b45f3efa7e8052a741672

    • Size

      710KB

    • MD5

      109d49581882d688cc7f15d14a10ed32

    • SHA1

      8c14bcf4484d5095bf113e880dcf6ebc0009b101

    • SHA256

      28ae50df5476e1f72dba72f625ee2d690887c0ee104b45f3efa7e8052a741672

    • SHA512

      450906f0f45e61df0ccffd9e85d3a7ecaf19d2e16bd57f27a32d663f8faead38e829b7dda48b0a7cce07a37c244881d65eaf673e11750c306edc3c100ad48c6f

    • SSDEEP

      12288:YWYIPXjxannnHg2AFivwlwZXw+31hdmiMlOQ27JpUjSEiQPr+P1xKfFKBTBXLeyB:YWYIPFannnHg2+ivQ7i1GXlOX7/N2PoH

    • AgentTesla

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

    • 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.

    • 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

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks