General

  • Target

    f4d7f6d4f6a5510d859acae3c90808d26932cf5eaa8f30e1c7badea92940b8ff

  • Size

    614KB

  • Sample

    240727-bl2pcaxcnj

  • MD5

    37a9ba1e35e53a06fbce60ec5bb45217

  • SHA1

    a36aadf48ec9e181538a46c97eb86b2844e40284

  • SHA256

    f4d7f6d4f6a5510d859acae3c90808d26932cf5eaa8f30e1c7badea92940b8ff

  • SHA512

    da46429f413bdec53deaa0ea88cf9a76fe4ba68017cb42ad79fe55b19a5a8b031d0a2c4457a8c7517a5830579013c46849928f464430532ee480d4e8c0643c07

  • SSDEEP

    12288:uF3ag4gbw0mOW/UImTt7slGZVWL9OwSsiA7efBOvAbUjgRB/:Sag4mgOW/xmTtlVIafBKAb7D

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Qb.X[.j.Yfm[

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Qb.X[.j.Yfm[

Targets

    • Target

      f4d7f6d4f6a5510d859acae3c90808d26932cf5eaa8f30e1c7badea92940b8ff

    • Size

      614KB

    • MD5

      37a9ba1e35e53a06fbce60ec5bb45217

    • SHA1

      a36aadf48ec9e181538a46c97eb86b2844e40284

    • SHA256

      f4d7f6d4f6a5510d859acae3c90808d26932cf5eaa8f30e1c7badea92940b8ff

    • SHA512

      da46429f413bdec53deaa0ea88cf9a76fe4ba68017cb42ad79fe55b19a5a8b031d0a2c4457a8c7517a5830579013c46849928f464430532ee480d4e8c0643c07

    • SSDEEP

      12288:uF3ag4gbw0mOW/UImTt7slGZVWL9OwSsiA7efBOvAbUjgRB/:Sag4mgOW/xmTtlVIafBKAb7D

    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Collection

Data from Local System

4
T1005

Tasks