General

  • Target

    e222d75a33fff327ec1254811a7304797c289cdfb30be9fe11013bbb40c7aa5d

  • Size

    726KB

  • Sample

    240428-bl2pcacf98

  • MD5

    126f918e50102b724bc12bc368659c26

  • SHA1

    b42dbabdd6fa6fae98642dd4d3619daf8e26e960

  • SHA256

    e222d75a33fff327ec1254811a7304797c289cdfb30be9fe11013bbb40c7aa5d

  • SHA512

    1093165e4bb2ddc0db24ec235babe843dcf82d9e8e20cfbc6e320af509b99dd0337a17a8b8862777df8621ec218f020565f30ae86dc34c0c78cd2ae525df1177

  • SSDEEP

    12288:YWYIPXjxannnHg2ahnN4vbcUNl9P7ytOH3utm0eULAZC+yGvk2YPmI1:YWYIPFannnHg240lwQCmsAZp5vCL1

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7102823318:AAHAsxGnWgIMglBwmkDdZmvCKtYHywBY4Bc/

Targets

    • Target

      e222d75a33fff327ec1254811a7304797c289cdfb30be9fe11013bbb40c7aa5d

    • Size

      726KB

    • MD5

      126f918e50102b724bc12bc368659c26

    • SHA1

      b42dbabdd6fa6fae98642dd4d3619daf8e26e960

    • SHA256

      e222d75a33fff327ec1254811a7304797c289cdfb30be9fe11013bbb40c7aa5d

    • SHA512

      1093165e4bb2ddc0db24ec235babe843dcf82d9e8e20cfbc6e320af509b99dd0337a17a8b8862777df8621ec218f020565f30ae86dc34c0c78cd2ae525df1177

    • SSDEEP

      12288:YWYIPXjxannnHg2ahnN4vbcUNl9P7ytOH3utm0eULAZC+yGvk2YPmI1:YWYIPFannnHg240lwQCmsAZp5vCL1

    • 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