5f377de371a8e95acec9956303d6f032

General
Target

5f377de371a8e95acec9956303d6f032

Size

835KB

Sample

210915-hqehyadahj

Score
10 /10
MD5

5f377de371a8e95acec9956303d6f032

SHA1

4d36d918df8ff90c0327ef713cfa262591d93636

SHA256

46eeda891d1ab66cb14c007a901cf167b9e80ed78d9af21889eea4be3eb55e09

SHA512

f7766dbb768cd671ac7a2e99b78625352b2ba53504ce9baaf6545afb0d33d769218b117400bb1658a48b1b6a108f56cf29b2287c761c9c98f7d6f714d6c4b506

Malware Config

Extracted

Family agenttesla
Credentials

Protocol: smtp

Host: smtp.yandex.com

Port: 587

Username: mailjege@yandex.com

Password: recovery111

Targets
Target

5f377de371a8e95acec9956303d6f032

MD5

5f377de371a8e95acec9956303d6f032

Filesize

835KB

Score
10 /10
SHA1

4d36d918df8ff90c0327ef713cfa262591d93636

SHA256

46eeda891d1ab66cb14c007a901cf167b9e80ed78d9af21889eea4be3eb55e09

SHA512

f7766dbb768cd671ac7a2e99b78625352b2ba53504ce9baaf6545afb0d33d769218b117400bb1658a48b1b6a108f56cf29b2287c761c9c98f7d6f714d6c4b506

Tags

Signatures

  • AgentTesla

    Description

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

    Tags

  • 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

  • Windows security modification

    Tags

    TTPs

    Disabling Security Tools 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
                  Persistence
                    Privilege Escalation
                    Tasks

                    static1

                    behavioral1

                    3/10