Overview

overview

10

Static

static

3

install.exe

windows10-1703-x64

7

install.exe

windows7-x64

7

install.exe

windows10-2004-x64

10

install.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    install.bat

  • Size

    164KB

  • Sample

    240609-zerskafd56

  • MD5

    1b33dca53f947f278fa3b529c0f8944f

  • SHA1

    fbe808950fae84260c550c508425980fa4802b47

  • SHA256

    be8b784930db373c77c4af35def8dd62bab00b25e7980a2198e6292610074aa6

  • SHA512

    db82d8d45a5eea758bb45e42d6fc24c61c43cace29c78621806fe40faa6c55fae6f3af40fa07a65a10787d5cf0af3e49eb765297a96314c0fcafc35d12a0bca6

  • SSDEEP

    3072:Jr25iC8trURiqLmnHhc83FIwaLsnyJb5PMN/bS89jfz2:p25RYrUnLYHhwwaLsnyJb5PMP2

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

h2cker.ddns.net:194

h2cker.ddns.net:0194
Mutex

XY4ZCM36bG2lfkJY

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Service.exe

aes.plain

Targets

    • Target

      install.bat

    • Size

      164KB

    • MD5

      1b33dca53f947f278fa3b529c0f8944f

    • SHA1

      fbe808950fae84260c550c508425980fa4802b47

    • SHA256

      be8b784930db373c77c4af35def8dd62bab00b25e7980a2198e6292610074aa6

    • SHA512

      db82d8d45a5eea758bb45e42d6fc24c61c43cace29c78621806fe40faa6c55fae6f3af40fa07a65a10787d5cf0af3e49eb765297a96314c0fcafc35d12a0bca6

    • SSDEEP

      3072:Jr25iC8trURiqLmnHhc83FIwaLsnyJb5PMN/bS89jfz2:p25RYrUnLYHhwwaLsnyJb5PMP2

    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.

    • Executes dropped EXE

    • 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.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2behavioral3behavioral4

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

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks