General

  • Target

    PAYMENT COPY-1232022.doc

  • Size

    26KB

  • Sample

    221204-mvjexafd5w

  • MD5

    212a9aba6446f96e50fb84be3b1efe81

  • SHA1

    6a7167f955335c51cf0caeb3de3a6b840b4efb27

  • SHA256

    b2d62f4e9fbe30be03a9db6f5370a4493e383ae23f0a086605dc03d43e846081

  • SHA512

    d6187730360473598cde356b281371602bf0a19869ee69f01b3139ce9fcae7b9a7c60ae5c1dccd84682c6ce1955bd131f622e23f9c4a082e7e01d7ec7533c463

  • SSDEEP

    768:vFx0XaIsnPRIa4fwJMrFADxXFJOYnNWgMaesfhA:vf0Xvx3EMrmF1AYhlZfhA

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    hnxqezadblabdsss

Targets

    • Target

      PAYMENT COPY-1232022.doc

    • Size

      26KB

    • MD5

      212a9aba6446f96e50fb84be3b1efe81

    • SHA1

      6a7167f955335c51cf0caeb3de3a6b840b4efb27

    • SHA256

      b2d62f4e9fbe30be03a9db6f5370a4493e383ae23f0a086605dc03d43e846081

    • SHA512

      d6187730360473598cde356b281371602bf0a19869ee69f01b3139ce9fcae7b9a7c60ae5c1dccd84682c6ce1955bd131f622e23f9c4a082e7e01d7ec7533c463

    • SSDEEP

      768:vFx0XaIsnPRIa4fwJMrFADxXFJOYnNWgMaesfhA:vf0Xvx3EMrmF1AYhlZfhA

    • 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 v6

Execution

Exploitation for Client Execution

1
T1203

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks