General

  • Target

    SbPbhXXaAe_ori40teleevery.js

  • Size

    386KB

  • Sample

    220627-skk4mscagl

  • MD5

    917298a0ef1125c31dfc7762135d9978

  • SHA1

    b6902cd75e83cae4ff2a3ce12f0314d364d5f481

  • SHA256

    173bf8f0a06a99b6ff4fd216a0be00b834aa4337828b91124da5d533e674fccf

  • SHA512

    b1ad86cd50f605ecd3bd7e9d99835dd97f64f16efa97b416e08c1c61d311874807951b7e8a887d76a1de197643a68b863fab5644010756abf384941786d3b9e1

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5171883538:AAEyFWuNh68SJNNpkDCQbviRgrklZA3K4Qs/sendDocument

Targets

    • Target

      SbPbhXXaAe_ori40teleevery.js

    • Size

      386KB

    • MD5

      917298a0ef1125c31dfc7762135d9978

    • SHA1

      b6902cd75e83cae4ff2a3ce12f0314d364d5f481

    • SHA256

      173bf8f0a06a99b6ff4fd216a0be00b834aa4337828b91124da5d533e674fccf

    • SHA512

      b1ad86cd50f605ecd3bd7e9d99835dd97f64f16efa97b416e08c1c61d311874807951b7e8a887d76a1de197643a68b863fab5644010756abf384941786d3b9e1

    • AgentTesla

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

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks