General

  • Target

    swift-copy.doc

  • Size

    570KB

  • Sample

    210420-yqyx4qrd7e

  • MD5

    00cf7f73c9a203c347cd294a05831071

  • SHA1

    2048c3def996307c241d82f018d283fc7ee1c555

  • SHA256

    216f7c44be6193c359ab1dc687dea34e7a3a3d46ad6b41faf646ed089955d874

  • SHA512

    69db1215184a0d1c04a6a1b092deb9bdc6bcaff79423391b3719c8e85b3d31228bf17b1059dfed7fba30a78575a9915dc85af10f8033685858979806e839c2c8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.orienttech.com.qa
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Op{^fLb9gN[!

Targets

    • Target

      swift-copy.doc

    • Size

      570KB

    • MD5

      00cf7f73c9a203c347cd294a05831071

    • SHA1

      2048c3def996307c241d82f018d283fc7ee1c555

    • SHA256

      216f7c44be6193c359ab1dc687dea34e7a3a3d46ad6b41faf646ed089955d874

    • SHA512

      69db1215184a0d1c04a6a1b092deb9bdc6bcaff79423391b3719c8e85b3d31228bf17b1059dfed7fba30a78575a9915dc85af10f8033685858979806e839c2c8

    • AgentTesla

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

    • AgentTesla Payload

    • 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.

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Exploitation for Client Execution

1
T1203

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Collection

Data from Local System

3
T1005

Tasks