General

  • Target

    SecuriteInfo.com.BehavesLike.Win32.Generic.tz.259

  • Size

    2.0MB

  • Sample

    210126-fcawqwzkca

  • MD5

    3c68883aec0f8998e92336eb1e4a5dfc

  • SHA1

    55f2c9c5622104af60bbdfdb50614d3add1cf83d

  • SHA256

    83ed44db03acc4abfb655a211c01e03c56bab2a016e603de64aeeb0bca8a77ca

  • SHA512

    530e1c300677f8a8dade7dbc1b15abef0974a935255c5739f720f000c2b1931cf0f7eaf7837d4630a920d2e674023abc699f8ccf325c0de4e7ce1846bfe78806

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.owlpk.com
  • Port:
    587
  • Username:
    accounts@owlpk.com
  • Password:
    786owlacc?

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.owlpk.com
  • Port:
    587
  • Username:
    accounts@owlpk.com
  • Password:
    786owlacc?

Targets

    • Target

      SecuriteInfo.com.BehavesLike.Win32.Generic.tz.259

    • Size

      2.0MB

    • MD5

      3c68883aec0f8998e92336eb1e4a5dfc

    • SHA1

      55f2c9c5622104af60bbdfdb50614d3add1cf83d

    • SHA256

      83ed44db03acc4abfb655a211c01e03c56bab2a016e603de64aeeb0bca8a77ca

    • SHA512

      530e1c300677f8a8dade7dbc1b15abef0974a935255c5739f720f000c2b1931cf0f7eaf7837d4630a920d2e674023abc699f8ccf325c0de4e7ce1846bfe78806

    • AgentTesla

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

    • Modifies Windows Defender Real-time Protection settings

    • Turns off Windows Defender SpyNet reporting

    • Windows security bypass

    • AgentTesla Payload

    • 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.

    • Windows security modification

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

4
T1089

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks