General

  • Target

    b695c89087761268ad9218c9c0096d2fa4cb98bfe5f21fb7b39f7578ace46dd7

  • Size

    469KB

  • Sample

    220521-nd9q7sdef6

  • MD5

    9a1d6dcded8155952dcc6d0e6d929879

  • SHA1

    839cfefc787d7ca06dac5086b7f0a4f1aedd3d75

  • SHA256

    b695c89087761268ad9218c9c0096d2fa4cb98bfe5f21fb7b39f7578ace46dd7

  • SHA512

    3e0f845ae103969423fdb94a565f68df4e7259070393a14e1bbad2088fa241aad4abe0ac6c665eff8f07fa24e465be54b44a8e85a6d943bb3f95490de86abedf

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.bnb-spa.com
  • Port:
    587
  • Username:
    inform@bnb-spa.com
  • Password:
    }iPxp@l#21aE

Targets

    • Target

      SAMPLE 1-8.exe

    • Size

      724KB

    • MD5

      ca5fd2f3f61b748d5a8abcacd33ad943

    • SHA1

      b224e29d3b8108c1451ed0e1e174ddfccc24b2a9

    • SHA256

      2732809a2266963b0b178d398dac1788c82495737bcad690e0a17d392d4c08a0

    • SHA512

      42481cf0c65f9e1f17de5afeef676ba9350c22db7b72b9c4bb0ff46edb0de3c7b35ae64becdb513fd120093803d46da3aa88b1998d061a45dc28b4fe91d0caeb

    • AgentTesla

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

    • AgentTesla Payload

    • Checks computer location settings

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

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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