2ac2d91af826847f3e2544b2420a814d

General
Target

2ac2d91af826847f3e2544b2420a814d

Size

819KB

Sample

210915-hqya2saad4

Score
10 /10
MD5

2ac2d91af826847f3e2544b2420a814d

SHA1

79101b95f1d8171e6e5c4ce4e9d9372466a6259d

SHA256

3e3bf2b2439b584bb039f072d969a4b31f5eb4c03fd8033fec911ff3ed5c1878

SHA512

9785737408c6345e35d4ebe9f438bd2647f2b9e230b53592a5d3eebfc70b1969d4e1d614bbe44d7579803af51211f84d2060f558b9052875169f55f91195b4fc

Malware Config

Extracted

Family agenttesla
Credentials

Protocol: smtp

Host: smtp.yandex.com

Port: 587

Username: mailjege@yandex.com

Password: recovery111

Targets
Target

2ac2d91af826847f3e2544b2420a814d

MD5

2ac2d91af826847f3e2544b2420a814d

Filesize

819KB

Score
10 /10
SHA1

79101b95f1d8171e6e5c4ce4e9d9372466a6259d

SHA256

3e3bf2b2439b584bb039f072d969a4b31f5eb4c03fd8033fec911ff3ed5c1878

SHA512

9785737408c6345e35d4ebe9f438bd2647f2b9e230b53592a5d3eebfc70b1969d4e1d614bbe44d7579803af51211f84d2060f558b9052875169f55f91195b4fc

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

  • 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
Collection
    Command and Control
      Credential Access
        Execution
          Exfiltration
            Impact
              Initial Access
                Lateral Movement
                  Privilege Escalation