xworm | 3e29a57bde610ff61c422796b89fc4332f265cc50e966593fc2b00bb23a13a21

Analysis

max time kernel
149s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20250217-en
resource tags

arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system
submitted
06/03/2025, 15:13

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General

Target

SystemSettings.rar
Size

130KB
MD5

cfd1e38ba89d12c7dcb31f7fcc688064
SHA1

2d3ee0fa93877e850e625ed3e5f18d3dea70e167
SHA256

3e29a57bde610ff61c422796b89fc4332f265cc50e966593fc2b00bb23a13a21
SHA512

326ac74f3a27163d591193e323bb84e1ae10bd22ea2fe323c414265e66c5a720f271b8f4de8039989920aeb5937c5b1fdba03d0328427ef94bfee41101064c7f
SSDEEP

3072:nrURbAWbGvrMy06g8CdSgtapOYkJGJE+/7thDG/3yWitioCwnk:ObAW1yB7mSgtaEuEyhJlk

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

uoqo0jDHykn623lG

Attributes

Install_directory
%Public%
install_file
SystemSettings.exe
pastebin_url
https://pastebin.com/raw/4zaiEtZS
telegram
https://api.telegram.org/bot8175192176:AAHZuZ0-rHS66YSwsvh8-gQjbZYSbY3IyXo/sendMessage?chat_id=7537927256

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/972-35-0x0000000001480000-0x000000000149E000-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
5992	powershell.exe
3936	powershell.exe
5068	powershell.exe
3224	powershell.exe
3412	powershell.exe
4684	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
5224	SystemSettings.exe
972	SystemSettings.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 41 IoCs

Web Service

T1102

flow	ioc
30	pastebin.com
16	pastebin.com
17	pastebin.com
19	pastebin.com
38	pastebin.com
42	pastebin.com
45	pastebin.com
8	pastebin.com
12	pastebin.com
34	pastebin.com
2	pastebin.com
10	pastebin.com
28	pastebin.com
6	pastebin.com
7	pastebin.com
13	pastebin.com
21	pastebin.com
40	pastebin.com
3	pastebin.com
5	pastebin.com
9	pastebin.com
22	pastebin.com
27	pastebin.com
25	pastebin.com
32	pastebin.com
36	pastebin.com
39	pastebin.com
41	pastebin.com
11	pastebin.com
18	pastebin.com
24	pastebin.com
35	pastebin.com
31	pastebin.com
14	pastebin.com
15	pastebin.com
20	pastebin.com
23	pastebin.com
33	pastebin.com
37	pastebin.com
43	pastebin.com
29	pastebin.com

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\System32\SystemSettings.exe	SystemSettings.exe
File opened for modification	C:\Windows\System32\SystemSettings.exe	SystemSettings.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1408376509-1621642251-2666462513-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\Microsoft.WindowsTerminal_8wekyb3d8bbwe\StartTerminalOnLoginTask	taskmgr.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
5116	schtasks.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
4684	powershell.exe
4684	powershell.exe
5992	powershell.exe
5992	powershell.exe
3936	powershell.exe
3936	powershell.exe
5068	powershell.exe
5068	powershell.exe
3224	powershell.exe
3224	powershell.exe
3412	powershell.exe
3412	powershell.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5856	7zFM.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeRestorePrivilege	5856	7zFM.exe
Token: 35	5856	7zFM.exe
Token: SeSecurityPrivilege	5856	7zFM.exe
Token: SeDebugPrivilege	5224	SystemSettings.exe
Token: SeDebugPrivilege	4684	powershell.exe
Token: SeDebugPrivilege	5992	powershell.exe
Token: SeDebugPrivilege	972	SystemSettings.exe
Token: SeDebugPrivilege	972	SystemSettings.exe
Token: SeDebugPrivilege	3936	powershell.exe
Token: SeDebugPrivilege	5068	powershell.exe
Token: SeDebugPrivilege	3224	powershell.exe
Token: SeDebugPrivilege	3412	powershell.exe
Token: SeDebugPrivilege	4176	taskmgr.exe
Token: SeSystemProfilePrivilege	4176	taskmgr.exe
Token: SeCreateGlobalPrivilege	4176	taskmgr.exe
Token: 33	4176	taskmgr.exe
Token: SeIncBasePriorityPrivilege	4176	taskmgr.exe

Suspicious use of FindShellTrayWindow 40 IoCs

pid	Process
5856	7zFM.exe
5856	7zFM.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe

Suspicious use of SendNotifyMessage 38 IoCs

pid	Process
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe
4176	taskmgr.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5224 wrote to memory of 4684	5224	SystemSettings.exe	82
PID 5224 wrote to memory of 4684	5224	SystemSettings.exe	82
PID 5224 wrote to memory of 5992	5224	SystemSettings.exe	84
PID 5224 wrote to memory of 5992	5224	SystemSettings.exe	84
PID 972 wrote to memory of 3936	972	SystemSettings.exe	89
PID 972 wrote to memory of 3936	972	SystemSettings.exe	89
PID 972 wrote to memory of 5068	972	SystemSettings.exe	91
PID 972 wrote to memory of 5068	972	SystemSettings.exe	91
PID 972 wrote to memory of 3224	972	SystemSettings.exe	93
PID 972 wrote to memory of 3224	972	SystemSettings.exe	93
PID 972 wrote to memory of 3412	972	SystemSettings.exe	95
PID 972 wrote to memory of 3412	972	SystemSettings.exe	95
PID 972 wrote to memory of 5116	972	SystemSettings.exe	97
PID 972 wrote to memory of 5116	972	SystemSettings.exe	97

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:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\SystemSettings.rar"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:5856

C:\Users\Admin\Desktop\SystemSettings.exe
"C:\Users\Admin\Desktop\SystemSettings.exe"
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5224
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\System32\SystemSettings.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4684
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SystemSettings.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5992

C:\Windows\System32\SystemSettings.exe
C:\Windows\System32\SystemSettings.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:972
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\System32\SystemSettings.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3936
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SystemSettings.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5068
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Public\SystemSettings.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3224
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SystemSettings.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3412
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "SystemSettings" /tr "C:\Users\Public\SystemSettings.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5116

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /0
1⤵
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4176

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

Peripheral Device Discovery

T1120

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\Microsoft\CLR_v4.0\UsageLogs\SystemSettings.exe.log

Filesize
1KB

MD5
963a79c885ee44ffee1cd5a204a1b9e4

SHA1
830c322fb88a946b08bfa96e2cb94b273a3e906f

SHA256
6012ab1a46e5447879241d2e8c35de748cab1f82f4c2cb653224c62dd8f9d6db

SHA512
f855ceba097e59342e5b8dde11f0755bf11225782f47a7d3651cb2518572cf93891ba852ef6f422783affe8ed907ad7c5d0f80cb43d53732eacbdb9d0f4a1d37

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

Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
944B

MD5
1a9fa92a4f2e2ec9e244d43a6a4f8fb9

SHA1
9910190edfaccece1dfcc1d92e357772f5dae8f7

SHA256
0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

SHA512
5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

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

Filesize
944B

MD5
1a8812e69f64e5baf06b854c74a54cc3

SHA1
8ea0248c2277343089e9a896f76b595e6c1092ff

SHA256
5ea252f33d8cb01ca97e593ae29b2373d6786c15b03dde291c00a919434227ac

SHA512
60fc8b1a44f1e698a0b56af4425a2daf2dd9065068b6c3d4f484f3686597af2b02189e8cb591959484a3ee1e52f1e017dc935b7af2d929da02205f36deaf8a63

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

Filesize
944B

MD5
b53572e2d17619ae41d35cf6e0dccb47

SHA1
ca931e853cfdc259d033a6a89182da6f8c4c7617

SHA256
5d84c6c0dc45638b6f3e5beb807b31754ecad504b845933d822c1a2c22c637de

SHA512
dcc3820410a27124f620ecef61ca46e9dff1a99587174976983a08dcf75796ef68a2dff62de61f19f1ddb799f24fc3c66ea93478126efb7609529c5ab3ce663e

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

Filesize
944B

MD5
b0a85f07903eaad4aace8865ff28679f

SHA1
caa147464cf2e31bf9b482c3ba3c5c71951566d1

SHA256
c85c7915e0bcc6cc3d7dd2f6b9d9e4f9a3cf0ccefa043b1c500facac8428bfd5

SHA512
7a650a74a049e71b748f60614723de2b9d2385a0f404606bcb22ae807e22a74c53cf672df9e7a23605dfff37865443a5899eafea323134a818eb59c96e0f94bd

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

Filesize
944B

MD5
69416944dac24129d0969e2ac46f0533

SHA1
d71969659956b32411e0606a9bee640a0b108ef4

SHA256
dffc7e01106427982d7cafd3d7e3be37e16b098fbb0958410ea8d7c68bfb97ca

SHA512
aabb330053579af0d9de2661bd70eaadfd2e2e617759bc9c380db1c64731c6711304e49882138e9d337815377ee012a7458f91f692cb31538d73624385867f4c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uc0akwwn.nlw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\Desktop\SystemSettings.exe

Filesize
332KB

MD5
701a94f53d54d38a11f4e60bc4f95b18

SHA1
7413f5e4fc73eaf07d9d6cd67fc88fd40b70d9d0

SHA256
9233d5872258aa674b015b57a4f37ca43a22524a682382cd88969cef135dacdb

SHA512
4d63f155adbc5271fc82a263c4df29566ffbabb512ad2a7c73736969b29760bc0ae86e58f396907b8afa8791e8a8b042c895f94126a00da8c0b050e7ef343440

Download Submit
memory/972-35-0x0000000001480000-0x000000000149E000-memory.dmp

Filesize
120KB

Download
memory/4176-86-0x0000023ADA040000-0x0000023ADA041000-memory.dmp

Filesize
4KB

Download
memory/4176-84-0x0000023ADA040000-0x0000023ADA041000-memory.dmp

Filesize
4KB

Download
memory/4176-89-0x0000023ADA040000-0x0000023ADA041000-memory.dmp

Filesize
4KB

Download
memory/4176-85-0x0000023ADA040000-0x0000023ADA041000-memory.dmp

Filesize
4KB

Download
memory/4176-78-0x0000023ADA040000-0x0000023ADA041000-memory.dmp

Filesize
4KB

Download
memory/4176-79-0x0000023ADA040000-0x0000023ADA041000-memory.dmp

Filesize
4KB

Download
memory/4176-80-0x0000023ADA040000-0x0000023ADA041000-memory.dmp

Filesize
4KB

Download
memory/4176-88-0x0000023ADA040000-0x0000023ADA041000-memory.dmp

Filesize
4KB

Download
memory/4176-90-0x0000023ADA040000-0x0000023ADA041000-memory.dmp

Filesize
4KB

Download
memory/4176-87-0x0000023ADA040000-0x0000023ADA041000-memory.dmp

Filesize
4KB

Download
memory/4684-6-0x000001A2E69F0000-0x000001A2E6A12000-memory.dmp

Filesize
136KB

Download
memory/5224-5-0x0000000000100000-0x000000000015A000-memory.dmp

Filesize
360KB

Download
memory/5224-77-0x00007FFFED120000-0x00007FFFEDBE2000-memory.dmp

Filesize
10.8MB

Download
memory/5224-4-0x00007FFFED123000-0x00007FFFED125000-memory.dmp

Filesize
8KB

Download
memory/5224-32-0x00007FFFED120000-0x00007FFFEDBE2000-memory.dmp

Filesize
10.8MB

Download