General

  • Target

    4ba08b06b7760d9beef94dbebfdde2dc3e843d32a9c85c065c03e0d3b54a6d2d

  • Size

    407KB

  • Sample

    220712-laarlabgbq

  • MD5

    1f29b648560693e3323330b527514b23

  • SHA1

    c8f52e2e224008eae036efa5a4612648912bf633

  • SHA256

    4ba08b06b7760d9beef94dbebfdde2dc3e843d32a9c85c065c03e0d3b54a6d2d

  • SHA512

    fc5218db77e37b1512f773214c8ceea791557f3510be8e1366b6440eba6115295dd9d1f3c2fc9545b0f2fdd75dd7d9ffd0b93e6e917d00d0b25649aaefb6a89c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.ahrass.com
  • Port:
    587
  • Username:
    mohamedadjal@ahrass.com
  • Password:
    chukwuma22

Targets

    • Target

      Payment Advice.pdf.exe

    • Size

      446KB

    • MD5

      4e535cb9880c4b6fafdebd62807332bc

    • SHA1

      b04240386fa709a704c81624fd701b48b140cb05

    • SHA256

      b52f9b733eb56a683997312b04b2b38ed53cc224211e5b9a5b5b72b93d75ad79

    • SHA512

      dbf1725772107d2a2d714017985213aad0303bed516a85e692e57c34f6ce7a2ecbbc29a7a2c0fa383fa156f67a3711ffed5fa3cab27d7b0bb0e6d11d245e743e

    • AgentTesla

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

    • AgentTesla payload

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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