General

  • Target

    origincripted.exe

  • Size

    506KB

  • Sample

    200709-ph95wwsdpn

  • MD5

    6baf086ff9060abe74f2811b5b57383d

  • SHA1

    59d2057b920ca46326aa0f10b0437f49770a684b

  • SHA256

    2f82dffb6984064e3a865298818c2081de389fced1e4d98b12f2da014a74fcb9

  • SHA512

    c5d0a5efc21c08ecedc9832117ce4e5a8f65488723321845aa6087e3916db8968b8a7446abee6951ea2201528cd329d34c3c8a11d9ac16cd3c3e11b2d9833e0c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.wolterfan.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @Mar123

Targets

    • Target

      origincripted.exe

    • Size

      506KB

    • MD5

      6baf086ff9060abe74f2811b5b57383d

    • SHA1

      59d2057b920ca46326aa0f10b0437f49770a684b

    • SHA256

      2f82dffb6984064e3a865298818c2081de389fced1e4d98b12f2da014a74fcb9

    • SHA512

      c5d0a5efc21c08ecedc9832117ce4e5a8f65488723321845aa6087e3916db8968b8a7446abee6951ea2201528cd329d34c3c8a11d9ac16cd3c3e11b2d9833e0c

    • AgentTesla

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

    • AgentTesla Payload

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Tasks