General

  • Target

    6f7a21f174b891758b93e5213ed1c59e7028a5bc81e904092bdde053a5068be9

  • Size

    488KB

  • Sample

    220521-amzeyadden

  • MD5

    d2800dfa1867764f7cdd5af08a9507f7

  • SHA1

    b7040d72d6ce0098029bed15da9267f7f1931907

  • SHA256

    6f7a21f174b891758b93e5213ed1c59e7028a5bc81e904092bdde053a5068be9

  • SHA512

    971c39d8f44a7a5a3dc3b0d998215c3d755ac11ddd0733a67ab7d1ccc7852b39bcadf4a1355346d8ab35c225cb83a4f8946dd7f590bc67d1aa17363d06e674e3

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.radiomeff.mk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qazwsx@11

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.radiomeff.mk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qazwsx@11

Targets

    • Target

      731104 A- Billing form.exe

    • Size

      816KB

    • MD5

      6e19e0712ae1e6d81d941842325a7ed9

    • SHA1

      88cf0f0b24cae2ed9827193bc160b6b18fb6e816

    • SHA256

      14eba8c7f68656e758892f4e97c02ea85f38b14fa36145d3aca2c5bfa91e712f

    • SHA512

      7c9ed9074981feeff5fb3762ac769f011dfaff353f0e3a800804ddf42affdfe2336c97817f64d1e83969e88f4147b82e9c675bd336356c874c762a27d4bf3bb4

    • 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