xworm | 7e71c79883eb025596762b4e0bf86b447039079dfe510ccf13a383b612575fa6

Analysis

max time kernel
124s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:25

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General

Target

3d97ea72c561c7d15574a99be582c59e.exe
Size

67KB
MD5

3d97ea72c561c7d15574a99be582c59e
SHA1

25eab8088c710e7f44b9d569eb96a27762cd53ca
SHA256

06de1b5a3ba2dae2ed909d8e647cc5c1a141b7520d26cda3f54947e7f8aaad45
SHA512

b0f1f99ac3927518e80ac6a5643949ac0945ab25faf7d4c8ea29dd9b3051f16fe3e3dea26a0006561b9836a50850cd2b41ad7c0341f6dcc823b73e9df02b1e69
SSDEEP

1536:I+mxV1I5K7uB6MnjU9bkVPWMXil+bV1Ts4um0h62lNn86OW6ds:I+DK7ukHYVPWM4+bVhp0lnjOWos

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:4758

108.77.173.66:4758

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral20/memory/5080-1-0x0000000000840000-0x0000000000858000-memory.dmp	family_xworm
behavioral20/files/0x0009000000021754-60.dat	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
5260	powershell.exe
4756	powershell.exe
1728	powershell.exe
5004	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	3d97ea72c561c7d15574a99be582c59e.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	3d97ea72c561c7d15574a99be582c59e.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	3d97ea72c561c7d15574a99be582c59e.exe

Executes dropped EXE 2 IoCs

pid	Process
4560	XClient.exe
428	XClient.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-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	3d97ea72c561c7d15574a99be582c59e.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
1892	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4756	powershell.exe
4756	powershell.exe
1728	powershell.exe
1728	powershell.exe
5004	powershell.exe
5004	powershell.exe
5260	powershell.exe
5260	powershell.exe
5080	3d97ea72c561c7d15574a99be582c59e.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	5080	3d97ea72c561c7d15574a99be582c59e.exe
Token: SeDebugPrivilege	4756	powershell.exe
Token: SeDebugPrivilege	1728	powershell.exe
Token: SeDebugPrivilege	5004	powershell.exe
Token: SeDebugPrivilege	5260	powershell.exe
Token: SeDebugPrivilege	5080	3d97ea72c561c7d15574a99be582c59e.exe
Token: SeDebugPrivilege	4560	XClient.exe
Token: SeDebugPrivilege	428	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5080	3d97ea72c561c7d15574a99be582c59e.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 4756	5080	3d97ea72c561c7d15574a99be582c59e.exe	88
PID 5080 wrote to memory of 4756	5080	3d97ea72c561c7d15574a99be582c59e.exe	88
PID 5080 wrote to memory of 1728	5080	3d97ea72c561c7d15574a99be582c59e.exe	90
PID 5080 wrote to memory of 1728	5080	3d97ea72c561c7d15574a99be582c59e.exe	90
PID 5080 wrote to memory of 5004	5080	3d97ea72c561c7d15574a99be582c59e.exe	92
PID 5080 wrote to memory of 5004	5080	3d97ea72c561c7d15574a99be582c59e.exe	92
PID 5080 wrote to memory of 5260	5080	3d97ea72c561c7d15574a99be582c59e.exe	94
PID 5080 wrote to memory of 5260	5080	3d97ea72c561c7d15574a99be582c59e.exe	94
PID 5080 wrote to memory of 1892	5080	3d97ea72c561c7d15574a99be582c59e.exe	96
PID 5080 wrote to memory of 1892	5080	3d97ea72c561c7d15574a99be582c59e.exe	96

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\3d97ea72c561c7d15574a99be582c59e.exe
"C:\Users\Admin\AppData\Local\Temp\3d97ea72c561c7d15574a99be582c59e.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5080
- 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\3d97ea72c561c7d15574a99be582c59e.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4756
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '3d97ea72c561c7d15574a99be582c59e.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1728
- 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\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5004
- 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:5260
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1892

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4560

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:428

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
842369b08704bbddf9de4d90016e58dd

SHA1
8bc3da656c08abbc14c58201e65b0dc823964bea

SHA256
cbf20404c609c0792de4320ac3fa1806269cf5d97420565e3f43d409a11a2808

SHA512
8f6cc3419f04b1cb4e6c7986ad9fb8a43fb380fee263937e223d8a5269aec918c2c8cd362ee708de0ded3a533f4cd43624d606f45b37e128bec52ada30c43b42

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
4711517ff5624095db27a149a6659eb9

SHA1
5129cde1a11103b30c2d25e3b46dcb66531a3d91

SHA256
3ae60d1bd034ef22a622ec97fb8ddc1aad5a4be8bb4cbc8ca220250ad4a57b3a

SHA512
1da51380746e395e781d150592022ff40e12fd82f71fec761e036b4605bb7239173c52a5c7d39c8ba272cbc52f46bc25e4394f41803d411b0817bdf6abcaa596

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
15dde0683cd1ca19785d7262f554ba93

SHA1
d039c577e438546d10ac64837b05da480d06bf69

SHA256
d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961

SHA512
57c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qmqnayre.bgr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
67KB

MD5
3d97ea72c561c7d15574a99be582c59e

SHA1
25eab8088c710e7f44b9d569eb96a27762cd53ca

SHA256
06de1b5a3ba2dae2ed909d8e647cc5c1a141b7520d26cda3f54947e7f8aaad45

SHA512
b0f1f99ac3927518e80ac6a5643949ac0945ab25faf7d4c8ea29dd9b3051f16fe3e3dea26a0006561b9836a50850cd2b41ad7c0341f6dcc823b73e9df02b1e69

Download Submit
memory/4756-10-0x0000021743820000-0x0000021743842000-memory.dmp

Filesize
136KB

Download
memory/4756-17-0x00007FFFBFC80000-0x00007FFFC0741000-memory.dmp

Filesize
10.8MB

Download
memory/4756-14-0x00007FFFBFC80000-0x00007FFFC0741000-memory.dmp

Filesize
10.8MB

Download
memory/4756-13-0x00007FFFBFC80000-0x00007FFFC0741000-memory.dmp

Filesize
10.8MB

Download
memory/4756-7-0x00007FFFBFC80000-0x00007FFFC0741000-memory.dmp

Filesize
10.8MB

Download
memory/5080-0-0x00007FFFBFC83000-0x00007FFFBFC85000-memory.dmp

Filesize
8KB

Download
memory/5080-56-0x00007FFFBFC80000-0x00007FFFC0741000-memory.dmp

Filesize
10.8MB

Download
memory/5080-57-0x00007FFFBFC83000-0x00007FFFBFC85000-memory.dmp

Filesize
8KB

Download
memory/5080-58-0x00007FFFBFC80000-0x00007FFFC0741000-memory.dmp

Filesize
10.8MB

Download
memory/5080-1-0x0000000000840000-0x0000000000858000-memory.dmp

Filesize
96KB

Download