General

  • Target

    a19356c099aad42af6961c3976b9f998.exe

  • Size

    931KB

  • Sample

    200709-rc2v9djhx2

  • MD5

    a19356c099aad42af6961c3976b9f998

  • SHA1

    1dbc40fb40437946ada0885ece184c6c978a84d4

  • SHA256

    b74d82c2137cad350b5eca0cdb42e236480992affdf311eb766f559c5e4bf17a

  • SHA512

    89bd621db98a257fb07eba344ff71dd0dd319fee3eb138001610caa8caad73a1b4a06e07a66c1ebd413358028dcb6e71427874d99a36a65f6e5ac06a00255a39

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    dutchlogs.us
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@

Targets

    • Target

      a19356c099aad42af6961c3976b9f998.exe

    • Size

      931KB

    • MD5

      a19356c099aad42af6961c3976b9f998

    • SHA1

      1dbc40fb40437946ada0885ece184c6c978a84d4

    • SHA256

      b74d82c2137cad350b5eca0cdb42e236480992affdf311eb766f559c5e4bf17a

    • SHA512

      89bd621db98a257fb07eba344ff71dd0dd319fee3eb138001610caa8caad73a1b4a06e07a66c1ebd413358028dcb6e71427874d99a36a65f6e5ac06a00255a39

    • 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