xworm | 7e71c79883eb025596762b4e0bf86b447039079dfe510ccf13a383b612575fa6

Analysis

max time kernel
120s
max time network
154s
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, 06:09

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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/4632-1-0x0000000000090000-0x00000000000A8000-memory.dmp	family_xworm
behavioral20/files/0x0036000000024145-60.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
1444	powershell.exe
4592	powershell.exe
4004	powershell.exe
4980	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
464	XClient.exe
4568	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
6092	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1444	powershell.exe
1444	powershell.exe
4592	powershell.exe
4592	powershell.exe
4004	powershell.exe
4004	powershell.exe
4980	powershell.exe
4980	powershell.exe
4632	3d97ea72c561c7d15574a99be582c59e.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4632	3d97ea72c561c7d15574a99be582c59e.exe
Token: SeDebugPrivilege	1444	powershell.exe
Token: SeDebugPrivilege	4592	powershell.exe
Token: SeDebugPrivilege	4004	powershell.exe
Token: SeDebugPrivilege	4980	powershell.exe
Token: SeDebugPrivilege	4632	3d97ea72c561c7d15574a99be582c59e.exe
Token: SeDebugPrivilege	464	XClient.exe
Token: SeDebugPrivilege	4568	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4632	3d97ea72c561c7d15574a99be582c59e.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 1444	4632	3d97ea72c561c7d15574a99be582c59e.exe	87
PID 4632 wrote to memory of 1444	4632	3d97ea72c561c7d15574a99be582c59e.exe	87
PID 4632 wrote to memory of 4592	4632	3d97ea72c561c7d15574a99be582c59e.exe	89
PID 4632 wrote to memory of 4592	4632	3d97ea72c561c7d15574a99be582c59e.exe	89
PID 4632 wrote to memory of 4004	4632	3d97ea72c561c7d15574a99be582c59e.exe	91
PID 4632 wrote to memory of 4004	4632	3d97ea72c561c7d15574a99be582c59e.exe	91
PID 4632 wrote to memory of 4980	4632	3d97ea72c561c7d15574a99be582c59e.exe	93
PID 4632 wrote to memory of 4980	4632	3d97ea72c561c7d15574a99be582c59e.exe	93
PID 4632 wrote to memory of 6092	4632	3d97ea72c561c7d15574a99be582c59e.exe	95
PID 4632 wrote to memory of 6092	4632	3d97ea72c561c7d15574a99be582c59e.exe	95

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:4632
- 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:1444
- 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:4592
- 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:4004
- 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:4980
- 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:6092

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:464

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4568

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
084d49c16a0db5a169356315e8e97d83

SHA1
af662c8666ef7c52c9711c0f143e0b8620f27d19

SHA256
a374d799d8b4b9c2cac922c093a90cbaf6d0bda3155faf176c6f95b46b8f35d2

SHA512
c14524f55f0e58bb64a99298b82d995136a0057c2a7e4e972b9c90477871ae416063318ba8b7f43a4fc66ca8b21eca26505645c4d195fe3ab9419c8d35a459fb

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

Filesize
944B

MD5
193da9cb8d0be7847ce2b45366b53316

SHA1
60e76e7eb82dada5867415857690c212b79e66ac

SHA256
0eb4aecb894873b0bd5dc51b20cee93ac8b0e4d8c806931f26397c670232a0f7

SHA512
31844183aecba13ad82bbbe35c5b3a86709faed92aeb0b62f53acedb3cef829cdc8faf384b584cfae8aa7c00ae52b64baaa8c6a061b113ef61866f931d43441a

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

Filesize
944B

MD5
67e8893616f805af2411e2f4a1411b2a

SHA1
39bf1e1a0ddf46ce7c136972120f512d92827dcd

SHA256
ca0dfe104c1bf27f7e01999fcdabc16c6400c3da937c832c26bdbca322381d31

SHA512
164e911a9935e75c8be1a6ec3d31199a16ba2a1064da6c09d771b2a38dd7fddd142301ef55d67d90f306d3a454a1ce7b72e129ea42e44500b9b8c623a8d98b4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d0kioozx.icn.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/1444-12-0x00007FF908BB0000-0x00007FF909671000-memory.dmp

Filesize
10.8MB

Download
memory/1444-18-0x00007FF908BB0000-0x00007FF909671000-memory.dmp

Filesize
10.8MB

Download
memory/1444-15-0x00007FF908BB0000-0x00007FF909671000-memory.dmp

Filesize
10.8MB

Download
memory/1444-14-0x00007FF908BB0000-0x00007FF909671000-memory.dmp

Filesize
10.8MB

Download
memory/1444-13-0x00007FF908BB0000-0x00007FF909671000-memory.dmp

Filesize
10.8MB

Download
memory/1444-2-0x000001DC7DC10000-0x000001DC7DC32000-memory.dmp

Filesize
136KB

Download
memory/4632-0-0x00007FF908BB3000-0x00007FF908BB5000-memory.dmp

Filesize
8KB

Download
memory/4632-53-0x00007FF908BB3000-0x00007FF908BB5000-memory.dmp

Filesize
8KB

Download
memory/4632-58-0x00007FF908BB0000-0x00007FF909671000-memory.dmp

Filesize
10.8MB

Download
memory/4632-59-0x00007FF908BB0000-0x00007FF909671000-memory.dmp

Filesize
10.8MB

Download
memory/4632-1-0x0000000000090000-0x00000000000A8000-memory.dmp

Filesize
96KB

Download