General

  • Target

    77b0f2c217ef36d1dc6b3637b6c3070b68bf2bef81ccb8dd6a0f390e9e532f69.zip

  • Size

    473KB

  • Sample

    240630-bnf6es1eqe

  • MD5

    3aa4e36150caff1319eafdd7664a286b

  • SHA1

    98b20e72c9be7df7601f484a84e3087114aeaa48

  • SHA256

    77b0f2c217ef36d1dc6b3637b6c3070b68bf2bef81ccb8dd6a0f390e9e532f69

  • SHA512

    9e916de0010e232831f7ac9fe3a64b0df0edec2977c113d703a919be2f9df9367c1f08bb9f50b95dec648070ee771334949b97eb95d026914685230aa0ced568

  • SSDEEP

    12288:Yyj0V1hJ4hGlzMa+G/qe4sgYI0ZL0fh40zPxd7OT0T7x:bj0V8Gl114TYIpfh5CTGx

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.godforeu.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    O8k#Pz4sk:w_

Targets

    • Target

      708e198608b5b463224c3fb77fcf708b845d0c7b5dbc6e9cab9e185c489be089.exe

    • Size

      928KB

    • MD5

      80b51e872031a2befeb9a0a13e6fc480

    • SHA1

      caebbab5349f57d92182ce56ef4bf71ea60226a7

    • SHA256

      708e198608b5b463224c3fb77fcf708b845d0c7b5dbc6e9cab9e185c489be089

    • SHA512

      12e9db89be76788d238f8a7f3114534b50b953b9ef619f84b0a124fba77f5e7d4aa00ae8f6ac3fdb16ecd1398950d6bdadfa43e9ec59b6d59667df5ac3d60879

    • SSDEEP

      12288:QieE+Q3mJyrf3iKXlrsfPO/l3Zn+aFpNUe2PPaEEaCh:QieE+5UrfvVg+Rd+afNH2PxEZh

    • AgentTesla

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

    • AgentTesla payload

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Credential Access

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

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks