Overview

overview

10

Static

static

10

0x00370000...11.exe

windows7-x64

10

0x00370000...11.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0x0037000000015f54-11.dat

  • Size

    40KB

  • Sample

    240523-vx7jhsad68

  • MD5

    7ea387ab126b2ecf3365d448a318a433

  • SHA1

    71b6e05898b68ed72ca95266d6293b225c40b612

  • SHA256

    573f3d316ed68ea2d4762a657dcc62416b763a8fcd1f99017f02d3ef5c215015

  • SHA512

    68830f84bf9f0a9e75a999907f7e7d816f89aa745e92078f56f303edadb236e14957e0594290f297fd4c0175ae72be02542cabe974a404fe961b7ab4bf945825

  • SSDEEP

    768:lNfPMSk3K/EzTb/0X8WuFZ4sJF5PC9O9d968OMhM3/qj:jf05a/CTjS89/Fc9Ud968OMiY

Score
10/10
xwormexecutionrattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

45.141.27.41:7000

Mutex

9ZF9ZsOZGh1T1r1n

Attributes
  • Install_directory

    %Public%

  • install_file

    csrss.exe

aes.plain

Targets

    • Target

      0x0037000000015f54-11.dat

    • Size

      40KB

    • MD5

      7ea387ab126b2ecf3365d448a318a433

    • SHA1

      71b6e05898b68ed72ca95266d6293b225c40b612

    • SHA256

      573f3d316ed68ea2d4762a657dcc62416b763a8fcd1f99017f02d3ef5c215015

    • SHA512

      68830f84bf9f0a9e75a999907f7e7d816f89aa745e92078f56f303edadb236e14957e0594290f297fd4c0175ae72be02542cabe974a404fe961b7ab4bf945825

    • SSDEEP

      768:lNfPMSk3K/EzTb/0X8WuFZ4sJF5PC9O9d968OMhM3/qj:jf05a/CTjS89/Fc9Ud968OMiY

    Score
    10/10
    xwormexecutionrattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Drops startup file

    • 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

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks