xworm | fb05744e6285d0d7eaff70f7b303eb04ed24080af8c31e83b7da0bae16e2c216

Analysis

max time kernel
44s
max time network
55s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250217-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
06/03/2025, 21:52

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General

Target

XwormLoader.exe
Size

7.8MB
MD5

239e4c2d3e6553ad53ccc6172a6a11b8
SHA1

f7313274cc27c47ca78a476541e0e30e84c4dcbc
SHA256

fb05744e6285d0d7eaff70f7b303eb04ed24080af8c31e83b7da0bae16e2c216
SHA512

76cce7ec3788db10a1886a27b862f5203c0c8d4294b79efb4512442d8b817be3ea3fb9777e5bacff90e38f14c84a60e319cff23e028dbd9567f4913d94b137f3
SSDEEP

196608:7//b4C6XrL5HfZBEhl3xZi5OslC9+PWbXooVl41u1mMFsr3:7/yvRZBEP3xZi5Oso+PWbXooL4Sa3

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

217.195.153.81:50000

Mutex

5UXpujbt6vWtkdEG

Attributes

Install_directory
%ProgramData%
install_file
svchost.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000b000000027dc4-28.dat	family_xworm
behavioral1/memory/2684-40-0x00000000003C0000-0x00000000003D0000-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
520	powershell.exe
5092	powershell.exe
4752	powershell.exe
1324	powershell.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-1886653772-2813795769-2221171443-1000\Control Panel\International\Geo\Nation	XwormLoader.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1886653772-2813795769-2221171443-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 3 IoCs

pid	Process
2280	Xworm V5.6.exe
2684	svchost.exe
4548	svchost.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
1732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
520	powershell.exe
520	powershell.exe
5092	powershell.exe
5092	powershell.exe
4752	powershell.exe
4752	powershell.exe
1324	powershell.exe
1324	powershell.exe
2684	svchost.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	svchost.exe
Token: SeDebugPrivilege	520	powershell.exe
Token: SeIncreaseQuotaPrivilege	520	powershell.exe
Token: SeSecurityPrivilege	520	powershell.exe
Token: SeTakeOwnershipPrivilege	520	powershell.exe
Token: SeLoadDriverPrivilege	520	powershell.exe
Token: SeSystemProfilePrivilege	520	powershell.exe
Token: SeSystemtimePrivilege	520	powershell.exe
Token: SeProfSingleProcessPrivilege	520	powershell.exe
Token: SeIncBasePriorityPrivilege	520	powershell.exe
Token: SeCreatePagefilePrivilege	520	powershell.exe
Token: SeBackupPrivilege	520	powershell.exe
Token: SeRestorePrivilege	520	powershell.exe
Token: SeShutdownPrivilege	520	powershell.exe
Token: SeDebugPrivilege	520	powershell.exe
Token: SeSystemEnvironmentPrivilege	520	powershell.exe
Token: SeRemoteShutdownPrivilege	520	powershell.exe
Token: SeUndockPrivilege	520	powershell.exe
Token: SeManageVolumePrivilege	520	powershell.exe
Token: 33	520	powershell.exe
Token: 34	520	powershell.exe
Token: 35	520	powershell.exe
Token: 36	520	powershell.exe
Token: SeDebugPrivilege	5092	powershell.exe
Token: SeIncreaseQuotaPrivilege	5092	powershell.exe
Token: SeSecurityPrivilege	5092	powershell.exe
Token: SeTakeOwnershipPrivilege	5092	powershell.exe
Token: SeLoadDriverPrivilege	5092	powershell.exe
Token: SeSystemProfilePrivilege	5092	powershell.exe
Token: SeSystemtimePrivilege	5092	powershell.exe
Token: SeProfSingleProcessPrivilege	5092	powershell.exe
Token: SeIncBasePriorityPrivilege	5092	powershell.exe
Token: SeCreatePagefilePrivilege	5092	powershell.exe
Token: SeBackupPrivilege	5092	powershell.exe
Token: SeRestorePrivilege	5092	powershell.exe
Token: SeShutdownPrivilege	5092	powershell.exe
Token: SeDebugPrivilege	5092	powershell.exe
Token: SeSystemEnvironmentPrivilege	5092	powershell.exe
Token: SeRemoteShutdownPrivilege	5092	powershell.exe
Token: SeUndockPrivilege	5092	powershell.exe
Token: SeManageVolumePrivilege	5092	powershell.exe
Token: 33	5092	powershell.exe
Token: 34	5092	powershell.exe
Token: 35	5092	powershell.exe
Token: 36	5092	powershell.exe
Token: SeDebugPrivilege	4752	powershell.exe
Token: SeIncreaseQuotaPrivilege	4752	powershell.exe
Token: SeSecurityPrivilege	4752	powershell.exe
Token: SeTakeOwnershipPrivilege	4752	powershell.exe
Token: SeLoadDriverPrivilege	4752	powershell.exe
Token: SeSystemProfilePrivilege	4752	powershell.exe
Token: SeSystemtimePrivilege	4752	powershell.exe
Token: SeProfSingleProcessPrivilege	4752	powershell.exe
Token: SeIncBasePriorityPrivilege	4752	powershell.exe
Token: SeCreatePagefilePrivilege	4752	powershell.exe
Token: SeBackupPrivilege	4752	powershell.exe
Token: SeRestorePrivilege	4752	powershell.exe
Token: SeShutdownPrivilege	4752	powershell.exe
Token: SeDebugPrivilege	4752	powershell.exe
Token: SeSystemEnvironmentPrivilege	4752	powershell.exe
Token: SeRemoteShutdownPrivilege	4752	powershell.exe
Token: SeUndockPrivilege	4752	powershell.exe
Token: SeManageVolumePrivilege	4752	powershell.exe
Token: 33	4752	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2684	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2280	1916	XwormLoader.exe	86
PID 1916 wrote to memory of 2280	1916	XwormLoader.exe	86
PID 1916 wrote to memory of 2684	1916	XwormLoader.exe	88
PID 1916 wrote to memory of 2684	1916	XwormLoader.exe	88
PID 2684 wrote to memory of 520	2684	svchost.exe	91
PID 2684 wrote to memory of 520	2684	svchost.exe	91
PID 2684 wrote to memory of 5092	2684	svchost.exe	94
PID 2684 wrote to memory of 5092	2684	svchost.exe	94
PID 2684 wrote to memory of 4752	2684	svchost.exe	96
PID 2684 wrote to memory of 4752	2684	svchost.exe	96
PID 2684 wrote to memory of 1324	2684	svchost.exe	98
PID 2684 wrote to memory of 1324	2684	svchost.exe	98
PID 2684 wrote to memory of 1732	2684	svchost.exe	104
PID 2684 wrote to memory of 1732	2684	svchost.exe	104

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\XwormLoader.exe
"C:\Users\Admin\AppData\Local\Temp\XwormLoader.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe
  "C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe"
  2⤵
  - Executes dropped EXE
  PID:2280
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2684
- - 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\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:520
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5092
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4752
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:1324
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\ProgramData\svchost.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1732

C:\ProgramData\svchost.exe
"C:\ProgramData\svchost.exe"
1⤵
- Executes dropped EXE
PID:4548

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

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\powershell.exe.log

Filesize
3KB

MD5
3eb3833f769dd890afc295b977eab4b4

SHA1
e857649b037939602c72ad003e5d3698695f436f

SHA256
c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

SHA512
c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

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

Filesize
1KB

MD5
60b3262c3163ee3d466199160b9ed07d

SHA1
994ece4ea4e61de0be2fdd580f87e3415f9e1ff6

SHA256
e3b30f16d41f94cba2b8a75f35c91ae7418465abfbfe5477ec0551d1952b2fdb

SHA512
081d2015cb94477eb0fbc38f44b6d9b4a3204fb3ad0b7d0e146a88ab4ab9a0d475207f1adae03f4a81ccc5beb7568dc8be1249f69e32fe56efd9ee2f6ee3b1af

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

Filesize
1KB

MD5
cbc522fdf7cec274518994aef39b65cf

SHA1
53d45f79ec006bda079aee381f8dd4e41a81c3cc

SHA256
ef0e20a8ea3a7f7c0f9997320f9bda132850d3e6059b23c4186933fb87a26b78

SHA512
01f91cbeeb11f184843fc93734e7b01812681a29b5ccc926227654b94ed8f241d19c0900a97f01f8b3d9a7bd97f520dba88e84f67e3f1cf268c3ed45fe8b8e19

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

Filesize
1KB

MD5
134467289f2cf9dd9f8419b4fec7906d

SHA1
957579bd1b252cff3ac77d4d1aa0da9292ab6824

SHA256
9712d9770e500e193b11385223a4861cce8f569e8be785d57efe9f7dcc7715d9

SHA512
5cd4cf4b381f169085e70ca78b8743e72ac30ef0109f89684a9fd20c5dfb0d5166518240c17800fb382ec7b04c7831775879b9da928ae6819311d45c7e9715ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe

Filesize
14.9MB

MD5
cac67604904dce94d230953f170d4391

SHA1
9ea639f23a5699bb66ca5da55b2458347aed6f13

SHA256
64e5b7463d340b9a8b9d911860b4d635b0cf68afbe3593ed3cc6cbb13db0b27b

SHA512
af358008abb47a345a53dab222a01ab6c0ed10185fca8d2be9af2892161f150c8cc8a7f75272d1eb1acd17b49f32d3531adbc1cfdd153cc7c3e90841cabe766a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yn1axfa5.ec0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
38KB

MD5
076f2c93e34a152c270907e33143fdf4

SHA1
26278090a3e808d79e76ce8dc3ef21f55524c9b4

SHA256
59d95ba60294f08afe88b16ca08c6befd1148ec4a120a674fc5bf8287205ebc5

SHA512
54cbde7e10665bf039d69df63a05dcd6886a883d51e8354d3cc78f2f0883a80b7441a24108053b9b23bacc4a8cff366fc52fa02e2a10e8f3f9c600a1e9fbe867

Download Submit
memory/520-48-0x0000027C944E0000-0x0000027C94502000-memory.dmp

Filesize
136KB

Download
memory/1916-5-0x00007FFDF6780000-0x00007FFDF7121000-memory.dmp

Filesize
9.6MB

Download
memory/1916-41-0x00007FFDF6780000-0x00007FFDF7121000-memory.dmp

Filesize
9.6MB

Download
memory/1916-0-0x00007FFDF6A35000-0x00007FFDF6A36000-memory.dmp

Filesize
4KB

Download
memory/1916-4-0x00007FFDF6780000-0x00007FFDF7121000-memory.dmp

Filesize
9.6MB

Download
memory/1916-3-0x000000001B970000-0x000000001BA16000-memory.dmp

Filesize
664KB

Download
memory/1916-2-0x00007FFDF6780000-0x00007FFDF7121000-memory.dmp

Filesize
9.6MB

Download
memory/1916-1-0x00007FFDF6780000-0x00007FFDF7121000-memory.dmp

Filesize
9.6MB

Download
memory/2280-23-0x00000281F6180000-0x00000281F7068000-memory.dmp

Filesize
14.9MB

Download
memory/2280-22-0x00007FFDF3B93000-0x00007FFDF3B95000-memory.dmp

Filesize
8KB

Download
memory/2684-40-0x00000000003C0000-0x00000000003D0000-memory.dmp

Filesize
64KB

Download
memory/2684-42-0x00007FFDF3B90000-0x00007FFDF4652000-memory.dmp

Filesize
10.8MB

Download
memory/2684-90-0x00007FFDF3B90000-0x00007FFDF4652000-memory.dmp

Filesize
10.8MB

Download