General

  • Target

    Ord 2354 png.zip

  • Size

    593KB

  • Sample

    210721-mdsa7xtz66

  • MD5

    a0624ac492c63227fc9f5bca44d50ea9

  • SHA1

    d7d918ed7a20f70e607f248ee9009dc4e89cdfae

  • SHA256

    1b77b2cbdb4bd38d7d9f6c1e5d5356ca5f7de8c74813d113b4a02c2b19be87f9

  • SHA512

    703ded0af3b701e81dc4f7ad307f4b84746c726b01f56d27918dab6b17e8312d4cecffe42234dd22a19e6a1ae50af8438bca58115f150b8e373496fd00342517

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.palletsolutions.ca
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    h~Q+QV.(M2?!

Targets

    • Target

      Ord 2354 png.exe

    • Size

      841KB

    • MD5

      48af5cf24f8c7fc448ecbfd55d18f426

    • SHA1

      e3cf38df72fda964da45323b60bc9bd88abbee15

    • SHA256

      4e9cbaacb1aaed119e375ac6799f97162442f24a14785e2371b44c5e76125abb

    • SHA512

      378572ffde0731fd3e27761be19741548b3d82d6208542c124f4db415380453d67cec00b297932e8f7a2a02c784c289a62fee1df859372da0eccabdd1ccb30f2

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Tasks