General

  • Target

    PO-IB5708.exe

  • Size

    9KB

  • Sample

    221128-kl1xgsae36

  • MD5

    356ad1420a3fc7751cb82a5de56133d7

  • SHA1

    ade826338ee78d25ea705587c237bedc31ae960c

  • SHA256

    722b069d08948799ab9e673a1759761d2e501da9b1ad892e3353d75ffe83bd6c

  • SHA512

    ceaf925295f733f04a4fb65ee102f4b78992492be0d9b779d5bf613108aa0269cfac96f81cb3b0f420ae0495eb4ee840a9b17f3028e2aef370defdceeced8373

  • SSDEEP

    96:DvjTnr2DrIsnldpY5ULU3UZrG4AkDdXp3WNtW1jYcFoNVcz1W4oKYMsLYUa:jS8Aln/LQUw4RJp8stYcFmVc03KY

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      PO-IB5708.exe

    • Size

      9KB

    • MD5

      356ad1420a3fc7751cb82a5de56133d7

    • SHA1

      ade826338ee78d25ea705587c237bedc31ae960c

    • SHA256

      722b069d08948799ab9e673a1759761d2e501da9b1ad892e3353d75ffe83bd6c

    • SHA512

      ceaf925295f733f04a4fb65ee102f4b78992492be0d9b779d5bf613108aa0269cfac96f81cb3b0f420ae0495eb4ee840a9b17f3028e2aef370defdceeced8373

    • SSDEEP

      96:DvjTnr2DrIsnldpY5ULU3UZrG4AkDdXp3WNtW1jYcFoNVcz1W4oKYMsLYUa:jS8Aln/LQUw4RJp8stYcFmVc03KY

    • AgentTesla

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks