13deb1f9e3779ecdc3025f0252e22176

General
Target

13deb1f9e3779ecdc3025f0252e22176

Size

742KB

Sample

210915-hts6haaae5

Score
10 /10
MD5

13deb1f9e3779ecdc3025f0252e22176

SHA1

fd7d53357ad66545b97a9333ad48186fb8ab41c8

SHA256

7a9a395febca4d19f4aae40a2ea18dc819bf7475175cdc2b15e68cb2b5beaff8

SHA512

c08652216e3e7734caebe23c6835f000044df5616ce1abed2ac4b13ccf303c5626ae74e45e17b3c2537f7026e1702ebd8447b504acd97688d28809afb9be81db

Malware Config

Extracted

Family agenttesla
Credentials

Protocol: smtp

Host: mail.privateemail.com

Port: 587

Username: e.werner@eccovacs-europe.com

Password: alibaba.com

Targets
Target

13deb1f9e3779ecdc3025f0252e22176

MD5

13deb1f9e3779ecdc3025f0252e22176

Filesize

742KB

Score
10 /10
SHA1

fd7d53357ad66545b97a9333ad48186fb8ab41c8

SHA256

7a9a395febca4d19f4aae40a2ea18dc819bf7475175cdc2b15e68cb2b5beaff8

SHA512

c08652216e3e7734caebe23c6835f000044df5616ce1abed2ac4b13ccf303c5626ae74e45e17b3c2537f7026e1702ebd8447b504acd97688d28809afb9be81db

Tags

Signatures

  • AgentTesla

    Description

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

    Tags

  • Modifies Windows Defender Real-time Protection settings

    Tags

    TTPs

    Modify Registry Modify Existing Service Disabling Security Tools
  • Turns off Windows Defender SpyNet reporting

    Tags

    TTPs

    Disabling Security Tools Modify Registry
  • UAC bypass

    Tags

    TTPs

    Bypass User Account Control Disabling Security Tools Modify Registry
  • Windows security bypass

    Tags

    TTPs

    Disabling Security Tools Modify Registry
  • AgentTesla Payload

  • Looks for VirtualBox Guest Additions in registry

    Tags

    TTPs

    Query Registry Virtualization/Sandbox Evasion
  • Nirsoft

  • Executes dropped EXE

  • Looks for VMWare Tools registry key

    Tags

    TTPs

    Query Registry Virtualization/Sandbox Evasion
  • Checks BIOS information in registry

    Description

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

    TTPs

    Query Registry System Information Discovery
  • Drops startup file

  • Loads dropped DLL

  • Reads user/profile data of local email clients

    Description

    Email clients store some user data on disk where infostealers will often target it.

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Reads user/profile data of web browsers

    Description

    Infostealers often target stored browser data, which can include saved credentials etc.

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Windows security modification

    Tags

    TTPs

    Disabling Security Tools Modify Registry
  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup Folder Modify Registry
  • Checks whether UAC is enabled

    Tags

    TTPs

    System Information Discovery
  • Maps connected drives based on registry

    Description

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

    TTPs

    Query Registry Peripheral Device Discovery System Information Discovery
  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Privilege Escalation