General

  • Target

    peak.exe

  • Size

    3.7MB

  • Sample

    240328-rvffgahe68

  • MD5

    eebe3fd6720cabdc477076f054829907

  • SHA1

    f6056e84297b63c4cdaa5646697492d5705c9080

  • SHA256

    7156621a3971908023b30ff150f96f72e9cd757dd0be4b514721c0e688c845cb

  • SHA512

    00572e876baa9884e11875e3ef1e4d39a793c1165ffa5c98d8a753c1257f38791fda178483e0693826eff02cba7e8e0ae4b8a979bc505ab33ba763b002c72261

  • SSDEEP

    98304:6wyZ0Cj88wMfPwozf3xdhdFUkGETCyukykgV8ja:699bftT3vhA4CyakgV8O

Malware Config

Targets

    • Target

      peak.exe

    • Size

      3.7MB

    • MD5

      eebe3fd6720cabdc477076f054829907

    • SHA1

      f6056e84297b63c4cdaa5646697492d5705c9080

    • SHA256

      7156621a3971908023b30ff150f96f72e9cd757dd0be4b514721c0e688c845cb

    • SHA512

      00572e876baa9884e11875e3ef1e4d39a793c1165ffa5c98d8a753c1257f38791fda178483e0693826eff02cba7e8e0ae4b8a979bc505ab33ba763b002c72261

    • SSDEEP

      98304:6wyZ0Cj88wMfPwozf3xdhdFUkGETCyukykgV8ja:699bftT3vhA4CyakgV8O

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Maps connected drives based on registry

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

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks