General

  • Target

    purchase items.exe

  • Size

    460KB

  • Sample

    200731-lce4njynhj

  • MD5

    327559d02c47e83c76176801e5d61e82

  • SHA1

    cdf282cfc1551e3833bc373f4d856921b89d2f3b

  • SHA256

    929b3de95bbd633a33db18a4099536fb5e22698d59ebe9588eb927f0aaef01da

  • SHA512

    bccfc8ff67dfbaa5e301e71dfacfbdd57e6025941df83fcb6a83ec1ef6b5b20a0cebf3ed633b7f36fe731611b39129c8735ae95efa34150f7f5eac0fbba926c9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.tsa.ae
  • Port:
    587
  • Username:
    tsabmw@tsa.ae
  • Password:
    HbtBd3(_ZSvL

Targets

    • Target

      purchase items.exe

    • Size

      460KB

    • MD5

      327559d02c47e83c76176801e5d61e82

    • SHA1

      cdf282cfc1551e3833bc373f4d856921b89d2f3b

    • SHA256

      929b3de95bbd633a33db18a4099536fb5e22698d59ebe9588eb927f0aaef01da

    • SHA512

      bccfc8ff67dfbaa5e301e71dfacfbdd57e6025941df83fcb6a83ec1ef6b5b20a0cebf3ed633b7f36fe731611b39129c8735ae95efa34150f7f5eac0fbba926c9

    • AgentTesla

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

    • AgentTesla Payload

    • 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

    • 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

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks