General

  • Target

    7d4a47b4971bc432c057f80f61065257_JaffaCakes118

  • Size

    319KB

  • Sample

    240528-rr57qaaa83

  • MD5

    7d4a47b4971bc432c057f80f61065257

  • SHA1

    0299dad957522d862d6fbb9249f52d7b95f6d072

  • SHA256

    a091f6793a07f69e6349dccb008cc3ed25e64461566bcaa37f69c7804a03fb61

  • SHA512

    6746077efcbf2d5871bcce01a26c623164390d533bc6f92aa190c7032502afae321dcc32b596045d391fd54d7d39698674b0070320b0ab8b7eb030e1347f766c

  • SSDEEP

    6144:wX0aJ62WQ1kNG8UJxdequtr8DVrcq98/NS/H9KaUHPzwHepT6vhhs:wX16lYoGX1/9JKagPzoIWvhO

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    JEHOVAH8899

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    JEHOVAH8899

Targets

    • Target

      Sample pictures.exe

    • Size

      637KB

    • MD5

      00dd30cd54403721c9f368b80333e70a

    • SHA1

      520b1ed79731d8b659831412037f3a66ebf0459c

    • SHA256

      5ab5e18b5ffe74e4c3ccf07f2e19f2daf006338022e64806b284eb8e0f0e1c15

    • SHA512

      0e8c050ef8dc39028e803923669ba9a9230c6a07d28781b628cc2989f25dffd4a202fa2cc966d5f9342c35fadd3cee68a530cf5c5fee7b8d56ae9838d8ebd1fe

    • SSDEEP

      6144:glq6KltUaGkL2Gt2PBo8nBdYE5+nOeXF1KH2OZ+vucSvOyLjoFOTCiAxEFFGGy4X:gMfUaGWFIPUtnO8UHNZiuzSOb7GGy4JF

    • 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 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks