General

  • Target

    ad7a7cf0976ddc45d980eedb9adb2c550f3c6956ac7bc045de97424fec0456a3

  • Size

    3.3MB

  • Sample

    240427-b812bsgf34

  • MD5

    fbe98ea777d83fcbdfd8f279d900f8fd

  • SHA1

    47aa24342edd409b4cb1a4f3b708f363ce66871a

  • SHA256

    ad7a7cf0976ddc45d980eedb9adb2c550f3c6956ac7bc045de97424fec0456a3

  • SHA512

    b8089e21ecd97a90fdbbd1cc090c6ae9c3d3204862bd324480bc77a3fb204d50c2730824553680942973647ef945571b0bcddec3db8419ee341a2e4561dcbc61

  • SSDEEP

    98304:TR/yT715TGTtRCdLorKYIthsKddy23M9J:F/KTGTtEh84zdDjMz

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.grandanatoliahotel.com
  • Port:
    587
  • Username:
    admin@grandanatoliahotel.com
  • Password:
    rruuggeedd12.Z
  • Email To:
    exportmanager180@gmail.com

Targets

    • Target

      ad7a7cf0976ddc45d980eedb9adb2c550f3c6956ac7bc045de97424fec0456a3

    • Size

      3.3MB

    • MD5

      fbe98ea777d83fcbdfd8f279d900f8fd

    • SHA1

      47aa24342edd409b4cb1a4f3b708f363ce66871a

    • SHA256

      ad7a7cf0976ddc45d980eedb9adb2c550f3c6956ac7bc045de97424fec0456a3

    • SHA512

      b8089e21ecd97a90fdbbd1cc090c6ae9c3d3204862bd324480bc77a3fb204d50c2730824553680942973647ef945571b0bcddec3db8419ee341a2e4561dcbc61

    • SSDEEP

      98304:TR/yT715TGTtRCdLorKYIthsKddy23M9J:F/KTGTtEh84zdDjMz

    • AgentTesla

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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

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

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • 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 NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks