General

  • Target

    2fd8d3cad2c96011d7a325a8ccd7e9e1fe63cd064b4bfa53378b4d0f5469f79c

  • Size

    372KB

  • Sample

    220521-n95r5aaahp

  • MD5

    5cdb07636f0a7c277959b308910bfcb9

  • SHA1

    9a4982e1e4e72a919a202fd8bee6bdaffbff28ff

  • SHA256

    2fd8d3cad2c96011d7a325a8ccd7e9e1fe63cd064b4bfa53378b4d0f5469f79c

  • SHA512

    26dc5b2ccbc5c9b066326e512c5ab2bf5c1fac04fb8fe77d39bd53937beb1243ab0727e7e50f956f8d1a4ce36b9578a01e82f94470a291b322ecb1a4924387bd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    bradonryan@yandex.com
  • Password:
    COKOeve8899

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    bradonryan@yandex.com
  • Password:
    COKOeve8899

Targets

    • Target

      box_akt_kaisar.exe

    • Size

      672KB

    • MD5

      405e60b7febf0d2f830af4abc99d6e69

    • SHA1

      169af21b4d1bd1fcb09a45f003cfb2d54d211c93

    • SHA256

      1abc7954f4d2e856726fbe002ee58658d07ed18ad32671e852780bd7b4c2f0e4

    • SHA512

      7372bb6a2422aca85633312257a8da8beff7a5da2c47ade309065085a9a74fcdf3f122b9c0ea2c49c32ca756cd8baabf83b6d1743fcbfcd61747351ad27b2b49

    • AgentTesla

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

    • AgentTesla Payload

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks