Overview

overview

10

Static

static

5

cf72d509b3...f6.exe

windows7-x64

10

cf72d509b3...f6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cf72d509b3534e6ea44e8f27e8e24af6

  • Size

    734KB

  • Sample

    240317-al1avahg75

  • MD5

    cf72d509b3534e6ea44e8f27e8e24af6

  • SHA1

    8088b36b5a9c6308bdeb11c01d8ff0fbe72b2702

  • SHA256

    1717e15dfe01d566d9e4880e4a4ccfdf7d2096d859e91cc1b8062afb61074060

  • SHA512

    da92da83857ce77b1d5a275c2be557cba140cb653cb2d15d66d5dfe53adbcaf0cf3eeab814ac54732ed4b5a09bbbf6e3272cfb33b2510f079ba6ff1505989129

  • SSDEEP

    12288:ehkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aCM+PKSXrEh6O6:uRmJkcoQricOIQxiZY1iaCMYKSDO6

Score
10/10
wshratpersistencetrojan

Malware Config

Targets

    • Target

      cf72d509b3534e6ea44e8f27e8e24af6

    • Size

      734KB

    • MD5

      cf72d509b3534e6ea44e8f27e8e24af6

    • SHA1

      8088b36b5a9c6308bdeb11c01d8ff0fbe72b2702

    • SHA256

      1717e15dfe01d566d9e4880e4a4ccfdf7d2096d859e91cc1b8062afb61074060

    • SHA512

      da92da83857ce77b1d5a275c2be557cba140cb653cb2d15d66d5dfe53adbcaf0cf3eeab814ac54732ed4b5a09bbbf6e3272cfb33b2510f079ba6ff1505989129

    • SSDEEP

      12288:ehkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aCM+PKSXrEh6O6:uRmJkcoQricOIQxiZY1iaCMYKSDO6

    Score
    10/10
    wshratpersistencetrojan

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

      trojanwshrat

    • WSHRAT payload

    • Blocklisted process makes network request

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks