Overview

overview

10

Static

static

10

07ecf0ee68...ad.exe

windows7-x64

10

07ecf0ee68...ad.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ada4045ee6399dc5733826a4d7e43a10.bin

  • Size

    20KB

  • Sample

    240630-dy9xlawhmn

  • MD5

    13e2d8c8fc3ca74bcdaeed86ae2be0d3

  • SHA1

    1af41a2635599d0b1194426969522d228f00781b

  • SHA256

    6c5dd289cd2ec3345727cbe7430e50c7743596c5b1d258065e23c7a02865c1c4

  • SHA512

    1524d3a3c398603edd727909c5f3eb7a59baa118802ea62c6abd4ea77c47101e65fe4dc07be55eac7da929d4fd044f1f6e4cf6199dd66c79b6483676f3c734b2

  • SSDEEP

    384:dLwcl8Gi+Fy8m/nH2NdtfakTYAeKTuc6IDu36O+aTO25AR/tDmzv+zj3j+HL:ye8D+FsWztfzeM6Mu36Og2yZt6mfT+HL

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

156.225.129.202:7000

Mutex

lUhImY84qBJOkvuH

Attributes
  • Install_directory

    %AppData%

  • install_file

    crss.exe

aes.plain

Targets

    • Target

      07ecf0ee68a52e1783da654389f5adaa861b5e7cfff04cbec504e721cc3a11ad.exe

    • Size

      41KB

    • MD5

      ada4045ee6399dc5733826a4d7e43a10

    • SHA1

      5184959ba1eb9034df44fb309be3781cee9a3d83

    • SHA256

      07ecf0ee68a52e1783da654389f5adaa861b5e7cfff04cbec504e721cc3a11ad

    • SHA512

      8987d6809bb5a8f9e94c35115d86cf9de6b1b3ee732e10338e38df33f2608954e6c5a61024ddcd7a833861aea0fd2aec94670aba529b73928031854fc39df1b0

    • SSDEEP

      768:1KjSON6U+0VT7OWCCKUS0BMRjJF5Pa9pmA6vOwhy3/+zc:1gStUJVTa1nFrtF49AA6vOwg2o

    Score
    10/10
    xwormexecutionpersistencerattrojan

    • 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

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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