xworm | 10fbf7403dfff9e5e7deba321401d4c0954595df1683a75b698dff9e36d6162c

Analysis

max time kernel
149s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/01/2025, 22:03

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General

Target

SecurityHealthSystray.exe
Size

377KB
MD5

6551f7063b52d4ecac238087e67068ff
SHA1

93bc3ad6922956dde60b80034c63d4af31777e3f
SHA256

10fbf7403dfff9e5e7deba321401d4c0954595df1683a75b698dff9e36d6162c
SHA512

ab7bc460eeae4418f9979a72447a639130650ae8e06af89e3561cf931985373e3f940c5b695828f4b725daf7ae211861c0c7e078119dc349c8010725138ef0b6
SSDEEP

6144:IjN1wBG/3chyBctnXM8Dx3PRd7GIiiW0lxJ:IHzgyBctnXMMtGIi+

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

szqdzaa-22376.portmap.host:22376

Attributes

Install_directory
%AppData%
install_file
SecurityHealthSystray.exe
telegram
https://api.telegram.org/bot6452802278:AAF2PAliVpXJNIcPNYSggwPXTiOwgl_RL_k/sendMessage?chat_id=5355197127

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2432-33-0x00000000005A0000-0x00000000005C8000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1452	powershell.exe
2112	powershell.exe
1540	powershell.exe
2424	powershell.exe
960	powershell.exe
1336	powershell.exe

Deletes itself 1 IoCs

pid	Process
1876	cmd.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SecurityHealthSystray.lnk	winlogon.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SecurityHealthSystray.lnk	winlogon.exe

Executes dropped EXE 4 IoCs

pid	Process
2432	winlogon.exe
2456	SecurityHealthSystray.exe
232	SecurityHealthSystray.exe
2904	SecurityHealthSystray.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\SecurityHealthSystray = "C:\\Users\\Admin\\AppData\\Roaming\\SecurityHealthSystray.exe"	winlogon.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
6	discord.com
7	discord.com

Looks up external IP address via web service 1 IoCs

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

flow	ioc
4	ip-api.com

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2900	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1400	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2112	powershell.exe
1540	powershell.exe
2424	powershell.exe
960	powershell.exe
1336	powershell.exe
1452	powershell.exe
2432	winlogon.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	SecurityHealthSystray.exe
Token: SeBackupPrivilege	2804	vssvc.exe
Token: SeRestorePrivilege	2804	vssvc.exe
Token: SeAuditPrivilege	2804	vssvc.exe
Token: SeDebugPrivilege	2112	powershell.exe
Token: SeDebugPrivilege	1540	powershell.exe
Token: SeDebugPrivilege	2432	winlogon.exe
Token: SeDebugPrivilege	2424	powershell.exe
Token: SeDebugPrivilege	960	powershell.exe
Token: SeDebugPrivilege	1336	powershell.exe
Token: SeDebugPrivilege	1452	powershell.exe
Token: SeDebugPrivilege	2456	SecurityHealthSystray.exe
Token: SeDebugPrivilege	232	SecurityHealthSystray.exe
Token: SeDebugPrivilege	2904	SecurityHealthSystray.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2432	winlogon.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 2112	2392	SecurityHealthSystray.exe	35
PID 2392 wrote to memory of 2112	2392	SecurityHealthSystray.exe	35
PID 2392 wrote to memory of 2112	2392	SecurityHealthSystray.exe	35
PID 2392 wrote to memory of 1540	2392	SecurityHealthSystray.exe	37
PID 2392 wrote to memory of 1540	2392	SecurityHealthSystray.exe	37
PID 2392 wrote to memory of 1540	2392	SecurityHealthSystray.exe	37
PID 2392 wrote to memory of 1876	2392	SecurityHealthSystray.exe	40
PID 2392 wrote to memory of 1876	2392	SecurityHealthSystray.exe	40
PID 2392 wrote to memory of 1876	2392	SecurityHealthSystray.exe	40
PID 1876 wrote to memory of 2900	1876	cmd.exe	42
PID 1876 wrote to memory of 2900	1876	cmd.exe	42
PID 1876 wrote to memory of 2900	1876	cmd.exe	42
PID 1976 wrote to memory of 2432	1976	taskeng.exe	43
PID 1976 wrote to memory of 2432	1976	taskeng.exe	43
PID 1976 wrote to memory of 2432	1976	taskeng.exe	43
PID 2432 wrote to memory of 2424	2432	winlogon.exe	44
PID 2432 wrote to memory of 2424	2432	winlogon.exe	44
PID 2432 wrote to memory of 2424	2432	winlogon.exe	44
PID 2432 wrote to memory of 960	2432	winlogon.exe	46
PID 2432 wrote to memory of 960	2432	winlogon.exe	46
PID 2432 wrote to memory of 960	2432	winlogon.exe	46
PID 2432 wrote to memory of 1336	2432	winlogon.exe	48
PID 2432 wrote to memory of 1336	2432	winlogon.exe	48
PID 2432 wrote to memory of 1336	2432	winlogon.exe	48
PID 2432 wrote to memory of 1452	2432	winlogon.exe	50
PID 2432 wrote to memory of 1452	2432	winlogon.exe	50
PID 2432 wrote to memory of 1452	2432	winlogon.exe	50
PID 2432 wrote to memory of 1400	2432	winlogon.exe	52
PID 2432 wrote to memory of 1400	2432	winlogon.exe	52
PID 2432 wrote to memory of 1400	2432	winlogon.exe	52
PID 1976 wrote to memory of 2456	1976	taskeng.exe	54
PID 1976 wrote to memory of 2456	1976	taskeng.exe	54
PID 1976 wrote to memory of 2456	1976	taskeng.exe	54
PID 1976 wrote to memory of 232	1976	taskeng.exe	56
PID 1976 wrote to memory of 232	1976	taskeng.exe	56
PID 1976 wrote to memory of 232	1976	taskeng.exe	56
PID 1976 wrote to memory of 2904	1976	taskeng.exe	57
PID 1976 wrote to memory of 2904	1976	taskeng.exe	57
PID 1976 wrote to memory of 2904	1976	taskeng.exe	57

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\SecurityHealthSystray.exe
"C:\Users\Admin\AppData\Local\Temp\SecurityHealthSystray.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\winlogon.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2112
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'winlogon.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1540
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpF8EF.tmp.bat""
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1876
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2900

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2804

C:\Windows\system32\taskeng.exe
taskeng.exe {B77008F1-0412-471F-A04C-DDEFCC80FA4D} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Roaming\winlogon.exe
  C:\Users\Admin\AppData\Roaming\winlogon.exe
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2432
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\winlogon.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2424
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'winlogon.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:960
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\SecurityHealthSystray.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1336
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SecurityHealthSystray.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1452
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "SecurityHealthSystray" /tr "C:\Users\Admin\AppData\Roaming\SecurityHealthSystray.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1400
- C:\Users\Admin\AppData\Roaming\SecurityHealthSystray.exe
  C:\Users\Admin\AppData\Roaming\SecurityHealthSystray.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2456
- C:\Users\Admin\AppData\Roaming\SecurityHealthSystray.exe
  C:\Users\Admin\AppData\Roaming\SecurityHealthSystray.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:232
- C:\Users\Admin\AppData\Roaming\SecurityHealthSystray.exe
  C:\Users\Admin\AppData\Roaming\SecurityHealthSystray.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF8EF.tmp.bat

Filesize
173B

MD5
85edc2295fed11a937f2192745051eb7

SHA1
76c51088bb2d7d76a0568bacab5218ed40e0bbd6

SHA256
66a0ad593fd6794c6b87cb3c7124d2040581dc68147803991e0b4e3a4547633d

SHA512
635993e6583bab69da2d128b18c7080aafc199f3adc7af50e17f8bd686531e5c1017bccf79097b76fedc2ed916c5a037072e5e3019f9bbcd567a7034160cf1b4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
e0362f28e78745aa4b39c4b2876b4a0b

SHA1
1afb0fb5280dad3a83ef577665f6bd01523152f6

SHA256
27906ef332955459ba990acad8458ef74b7cef46594968b10b46bc5d849198a4

SHA512
90219dcb0f0ffb9b3e5177a90e5bb165d4768851ad3e374954aa5858de853fa9a22281a0f928778d193e768f50caa1665b640f8f41a6e143c5fdd2b5d64178d0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
d9f0315a20d12ca2bd2f0e11f0549683

SHA1
bff0d19904a0b30716d4391e74afb9891e13b71b

SHA256
99e53f6826bd9e394c5e0508c847b1f1b22ab0416b7ea7e625cc44a999910d06

SHA512
1795f29434ee013aee0786ac9eb81f1db4f033426821fa08adb76834bff596d54a33a408b3e635ef4ce9418d63269486cbc180cdf70939a93c652307062c3dcd

Download Submit
C:\Users\Admin\AppData\Roaming\winlogon.exe

Filesize
377KB

MD5
6551f7063b52d4ecac238087e67068ff

SHA1
93bc3ad6922956dde60b80034c63d4af31777e3f

SHA256
10fbf7403dfff9e5e7deba321401d4c0954595df1683a75b698dff9e36d6162c

SHA512
ab7bc460eeae4418f9979a72447a639130650ae8e06af89e3561cf931985373e3f940c5b695828f4b725daf7ae211861c0c7e078119dc349c8010725138ef0b6

Download Submit
memory/232-66-0x0000000001240000-0x00000000012A4000-memory.dmp

Filesize
400KB

Download
memory/1540-14-0x000000001B590000-0x000000001B872000-memory.dmp

Filesize
2.9MB

Download
memory/1540-15-0x0000000002970000-0x0000000002978000-memory.dmp

Filesize
32KB

Download
memory/2112-8-0x0000000002860000-0x0000000002868000-memory.dmp

Filesize
32KB

Download
memory/2112-7-0x000000001B760000-0x000000001BA42000-memory.dmp

Filesize
2.9MB

Download
memory/2392-28-0x000007FEF6050000-0x000007FEF6A3C000-memory.dmp

Filesize
9.9MB

Download
memory/2392-19-0x000007FEF6050000-0x000007FEF6A3C000-memory.dmp

Filesize
9.9MB

Download
memory/2392-2-0x000007FEF6050000-0x000007FEF6A3C000-memory.dmp

Filesize
9.9MB

Download
memory/2392-0-0x000007FEF6053000-0x000007FEF6054000-memory.dmp

Filesize
4KB

Download
memory/2392-18-0x000007FEF6053000-0x000007FEF6054000-memory.dmp

Filesize
4KB

Download
memory/2392-1-0x0000000000870000-0x00000000008D4000-memory.dmp

Filesize
400KB

Download
memory/2432-32-0x00000000013B0000-0x0000000001414000-memory.dmp

Filesize
400KB

Download
memory/2432-33-0x00000000005A0000-0x00000000005C8000-memory.dmp

Filesize
160KB

Download
memory/2456-62-0x0000000000280000-0x00000000002E4000-memory.dmp

Filesize
400KB

Download
memory/2904-68-0x00000000012A0000-0x0000000001304000-memory.dmp

Filesize
400KB

Download