General

  • Target

    gunzipped

  • Size

    706KB

  • Sample

    200630-j11kdr7ede

  • MD5

    9a7cb419186a367181d9f2f37d571fbe

  • SHA1

    5d7728a89ca04fc1bbe525d7ca1c4132119b074a

  • SHA256

    c6699928167cb50230cefe4ffef7fdcc10923de726d685d1a10ce4b6f8274d39

  • SHA512

    5accbce94159f8e7c669ce687074aad3607fa1e261c4146d5b653c0c9c0e17e646aa85684f93aab1f34fb0ecce7ed7a1190ab96ad408dbbc5efb7e34364849bb

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    glowhub@yandex.com
  • Password:
    INfinity12345

Targets

    • Target

      gunzipped

    • Size

      706KB

    • MD5

      9a7cb419186a367181d9f2f37d571fbe

    • SHA1

      5d7728a89ca04fc1bbe525d7ca1c4132119b074a

    • SHA256

      c6699928167cb50230cefe4ffef7fdcc10923de726d685d1a10ce4b6f8274d39

    • SHA512

      5accbce94159f8e7c669ce687074aad3607fa1e261c4146d5b653c0c9c0e17e646aa85684f93aab1f34fb0ecce7ed7a1190ab96ad408dbbc5efb7e34364849bb

    • AgentTesla

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

    • AgentTesla Payload

    • 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.

    • 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

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks