General

  • Target

    4d24882cba2811da1fac1a8ef6127a9753495852c0377abc91a84055166f629a

  • Size

    520KB

  • Sample

    220521-bvlz9afegj

  • MD5

    1f6117bcece1625ae9ee9b616aef2642

  • SHA1

    ec61ad10c1a2e17eaa8ebdda2b52029cc66f334f

  • SHA256

    4d24882cba2811da1fac1a8ef6127a9753495852c0377abc91a84055166f629a

  • SHA512

    ca01393fcc495b7af19ab95da8acb8780dfb46d6353abe6f4e372b876b3b4430235c015aa04abb9da14cdcfb8b26ef509e928072a39cbe9ee75f6291897eadd1

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.teksintarim.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    teksin20182018

Targets

    • Target

      Swift Copy.exe

    • Size

      751KB

    • MD5

      48369e303109a9f991c0bcb7a8802db6

    • SHA1

      44e805a8f873ea5871dfade10d7e8733ed6896ff

    • SHA256

      cdfe4c86ca9f93544ebde81895f24faeb62a69268bfb2944381f2d37453c7254

    • SHA512

      8e62726e14c39e75cdf158184b10d9a1b130472c08c4e4b07938bf90a489a6211149a0c2e7515c1bc7b70c42558cba8f31fda3056435f37d4c9b1cb32ca1539a

    • AgentTesla

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

    • AgentTesla Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks