General

  • Target

    DD-180923.doc

  • Size

    67KB

  • Sample

    230919-hl48ssfd2z

  • MD5

    2bc2dfb3239184145052bd681d770246

  • SHA1

    f8525b5625359aff514f9887be92d3e85d673215

  • SHA256

    730d905447a0ecde0d2460315f70588922508fac7e03c9368878929cf1b431fe

  • SHA512

    b0228a782b9353cdbec03abb17ec483b6aa5a1d44e1a619519a0689e00e9dc393b40b41add60ee204b5dc89a92eec8a487b518ac33931f1a188811be6c415116

  • SSDEEP

    768:YwAbZSibMX9gRWjijyWJ64MzyQo/SboNT3NqU:YwAlRJVJ6XyZjNTZ

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    cp5ua.hyperhost.ua
  • Port:
    587
  • Username:
    obilogs@hulkeng.xyz
  • Password:
    7213575aceACE@
  • Email To:
    obilogs@hulkeng.xyz

Targets

    • Target

      DD-180923.doc

    • Size

      67KB

    • MD5

      2bc2dfb3239184145052bd681d770246

    • SHA1

      f8525b5625359aff514f9887be92d3e85d673215

    • SHA256

      730d905447a0ecde0d2460315f70588922508fac7e03c9368878929cf1b431fe

    • SHA512

      b0228a782b9353cdbec03abb17ec483b6aa5a1d44e1a619519a0689e00e9dc393b40b41add60ee204b5dc89a92eec8a487b518ac33931f1a188811be6c415116

    • SSDEEP

      768:YwAbZSibMX9gRWjijyWJ64MzyQo/SboNT3NqU:YwAlRJVJ6XyZjNTZ

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Exploitation for Client Execution

1
T1203

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks