Overview

overview

10

Static

static

10

4b9d898379...11.exe

windows7-x64

10

4b9d898379...11.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9877e05ca5d50564bf61c140926791d50698bbf49f20f35b75c58318328d8167

  • Size

    43KB

  • Sample

    240419-v4l66aag42

  • MD5

    107bb97b9eec3f17ce55c8567199e11c

  • SHA1

    4d0b81b5980a6fed47946d8387797824c2c8365b

  • SHA256

    9877e05ca5d50564bf61c140926791d50698bbf49f20f35b75c58318328d8167

  • SHA512

    9443c61d525e58e711fad1cfaaf74071b30ab12f3fe2f5fbcc4bb38ac82a45eceb0d080cf95157ee9e004771542dc745c9be6a94ab06825aaafa5312cae5aa10

  • SSDEEP

    768:RwDOPBvZr2PDyWKPjUdJibMM3PAPwAXX/EroynDHK7yd26GMwgf+:OSPf+yWKj+JOpYPnX4ik+

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

involved-hurt.gl.at.ply.gg:35238

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    WindowsHealthSystem.exe

Targets

    • Target

      4b9d898379e5dd1d260c1706aa04aa8270994835a523bb83695062d92c830311.exe

    • Size

      70KB

    • MD5

      109adf5a32829b151d536e30a81ee96b

    • SHA1

      dc23006a97e7d5bc34eedec563432e63ed6a226a

    • SHA256

      4b9d898379e5dd1d260c1706aa04aa8270994835a523bb83695062d92c830311

    • SHA512

      74e7fb13e195dcf6b8ed0f40c034925c3762b2e0c43c8faede99ce79a4b07966ff5336769db3f9f5bb4c0478cefc879d59b43d5ded5bda3e75d19bd0a1e9e9e5

    • SSDEEP

      1536:QeYZA06UMG73jWw9o5zeS6LQR9bAayaIMbckM6mfOWcNFOfab:QfZxfMGTFXS6LQR9bAaZbfsfOPMab

    Score
    10/10
    xwormpersistencerattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks