General

  • Target

    PURCHASE ORDER.exe

  • Size

    483KB

  • Sample

    211022-3fd5msdagq

  • MD5

    6b2a61536797c25fadf61b9e118a9764

  • SHA1

    cef336921af96c09cfb04b2992ca43354c78ec9d

  • SHA256

    bcaa7a736371d8db89c5ae663c529635632e86d02273e430997a6373e8f8788e

  • SHA512

    2cc99c1372e6610aad7be337aee127316733f4ad5fb495bc79362aa8cb3fcb5f6cb644abe26afc2bead6653c92faa2b8683a9e9aa1d8358c11fbf34604ae862e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aldhiyafainteriors.com
  • Port:
    587
  • Username:
    rahman@aldhiyafainteriors.com
  • Password:
    dhiyafa@987

Targets

    • Target

      PURCHASE ORDER.exe

    • Size

      483KB

    • MD5

      6b2a61536797c25fadf61b9e118a9764

    • SHA1

      cef336921af96c09cfb04b2992ca43354c78ec9d

    • SHA256

      bcaa7a736371d8db89c5ae663c529635632e86d02273e430997a6373e8f8788e

    • SHA512

      2cc99c1372e6610aad7be337aee127316733f4ad5fb495bc79362aa8cb3fcb5f6cb644abe26afc2bead6653c92faa2b8683a9e9aa1d8358c11fbf34604ae862e

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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

Email Collection

1
T1114

Tasks