General

  • Target

    cecb6db9d3e82cd3150ad7c144192e300bb86678ff4a8098d3e8723b50668541

  • Size

    766KB

  • Sample

    240426-ctjn6shc4y

  • MD5

    1a90002a3504e10b40065d4e9a84fb74

  • SHA1

    5f449ecaffc2e8097607bcb653c968b73472b37a

  • SHA256

    cecb6db9d3e82cd3150ad7c144192e300bb86678ff4a8098d3e8723b50668541

  • SHA512

    b2e81ed18947f24985771b7d3b89b5c7bae73c63d8552d2237bc6ad775d833d0e4b077c2e04b3822c98b7a299334b567ea0aa02abd9bbff4f214f6a132abc71a

  • SSDEEP

    12288:CWYIPXjxannnHg2t6/zCSQ38syT2u0foDRfDiEvM4eTuxgOcCjzt6+Myv4sHck1L:CWYIPFannnHg2f383T2u80fzM6gOcSzo

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7018885263:AAHT8gfvHTY09mtqDC-rbN8-23c7akL5PN8/

Targets

    • Target

      cecb6db9d3e82cd3150ad7c144192e300bb86678ff4a8098d3e8723b50668541

    • Size

      766KB

    • MD5

      1a90002a3504e10b40065d4e9a84fb74

    • SHA1

      5f449ecaffc2e8097607bcb653c968b73472b37a

    • SHA256

      cecb6db9d3e82cd3150ad7c144192e300bb86678ff4a8098d3e8723b50668541

    • SHA512

      b2e81ed18947f24985771b7d3b89b5c7bae73c63d8552d2237bc6ad775d833d0e4b077c2e04b3822c98b7a299334b567ea0aa02abd9bbff4f214f6a132abc71a

    • SSDEEP

      12288:CWYIPXjxannnHg2t6/zCSQ38syT2u0foDRfDiEvM4eTuxgOcCjzt6+Myv4sHck1L:CWYIPFannnHg2f383T2u80fzM6gOcSzo

    • 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.

    • 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

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

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