xworm | e9e6a5e4d64f01b158801bbaead6aedfeeb8cd754e734d1471f591ca3e2c08f8

Analysis

max time kernel
147s
max time network
151s
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, 06:17

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General

Target
d9cf29b5554af511c587d42fc89b333f.exe
Size 73KB
Sample250322-g17rssy1ev
SHA256 255fb86d56dbcbf96016d55ccdbe48d2acf7762bb16e115487c4b9991c13bee2
MD5 d9cf29b5554af511c587d42fc89b333f
SHA1 cd607ac7223b6023f267b8e2bc072f065604bbe5
SHA512 2504067df1665cd4b142144b5c5e5085c44bac809e27226fb2bf4230b0cb2966e35c9a99416d22ad261f220f4aaec349a55fadc3d169300d6078853e75267ecf
SSDEEP 1536:F9wkc4ceDXruTXh+bX7kaAj6McOVBwVCJSdUf:yODyl+bXUhcOvwQac
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

sound-kuwait.gl.at.ply.gg:23006

Attributes

Install_directory
%AppData%
install_file
svchost.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral8/memory/3552-1-0x00000000003B0000-0x00000000003C8000-memory.dmp	family_xworm
behavioral8/files/0x000b000000024293-58.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
4884	powershell.exe
5032	powershell.exe
5028	powershell.exe
5016	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-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation	d9cf29b5554af511c587d42fc89b333f.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	d9cf29b5554af511c587d42fc89b333f.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	d9cf29b5554af511c587d42fc89b333f.exe

Executes dropped EXE 3 IoCs

pid	Process
4496	svchost.exe
5232	svchost.exe
5112	svchost.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-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	d9cf29b5554af511c587d42fc89b333f.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
3536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4884	powershell.exe
4884	powershell.exe
5032	powershell.exe
5032	powershell.exe
5028	powershell.exe
5028	powershell.exe
5016	powershell.exe
5016	powershell.exe
3552	d9cf29b5554af511c587d42fc89b333f.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3552	d9cf29b5554af511c587d42fc89b333f.exe
Token: SeDebugPrivilege	4884	powershell.exe
Token: SeDebugPrivilege	5032	powershell.exe
Token: SeDebugPrivilege	5028	powershell.exe
Token: SeDebugPrivilege	5016	powershell.exe
Token: SeDebugPrivilege	3552	d9cf29b5554af511c587d42fc89b333f.exe
Token: SeDebugPrivilege	4496	svchost.exe
Token: SeDebugPrivilege	5232	svchost.exe
Token: SeDebugPrivilege	5112	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3552	d9cf29b5554af511c587d42fc89b333f.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3552 wrote to memory of 4884	3552	d9cf29b5554af511c587d42fc89b333f.exe	91
PID 3552 wrote to memory of 4884	3552	d9cf29b5554af511c587d42fc89b333f.exe	91
PID 3552 wrote to memory of 5032	3552	d9cf29b5554af511c587d42fc89b333f.exe	93
PID 3552 wrote to memory of 5032	3552	d9cf29b5554af511c587d42fc89b333f.exe	93
PID 3552 wrote to memory of 5028	3552	d9cf29b5554af511c587d42fc89b333f.exe	95
PID 3552 wrote to memory of 5028	3552	d9cf29b5554af511c587d42fc89b333f.exe	95
PID 3552 wrote to memory of 5016	3552	d9cf29b5554af511c587d42fc89b333f.exe	97
PID 3552 wrote to memory of 5016	3552	d9cf29b5554af511c587d42fc89b333f.exe	97
PID 3552 wrote to memory of 3536	3552	d9cf29b5554af511c587d42fc89b333f.exe	100
PID 3552 wrote to memory of 3536	3552	d9cf29b5554af511c587d42fc89b333f.exe	100

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\d9cf29b5554af511c587d42fc89b333f.exe
"C:\Users\Admin\AppData\Local\Temp\d9cf29b5554af511c587d42fc89b333f.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:3552
- 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\d9cf29b5554af511c587d42fc89b333f.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4884
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'd9cf29b5554af511c587d42fc89b333f.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5032
- 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\svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5028
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5016
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3536

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4496

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5232

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5112

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

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svchost.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.log
Size 654B
SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
MD5 2ff39f6c7249774be85fd60a8f9a245e
SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 5e858d6aac3c13aa5ca83f0a12793d125028ddf87ac73355a42877d16db655f0
MD5 56afc37a6fa78dde7c6bb49af2c000c9
SHA1 dad88cd38148f8ac76e0592d632fa1fdf8c2a3ac
SHA512 f9f4ed6581ebeccac22dbeee2bb99d5a03ab4ad098f3e4af91f806b55a685b8e7b181aa131d31e1044f5c60f11742625d4947947f182fc1ab487bd4d33483795
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1
MD5 ba169f4dcbbf147fe78ef0061a95e83b
SHA1 92a571a6eef49fff666e0f62a3545bcd1cdcda67
SHA512 8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961
MD5 15dde0683cd1ca19785d7262f554ba93
SHA1 d039c577e438546d10ac64837b05da480d06bf69
SHA512 57c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672
MD5 SHA1 SHA512

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__PSScriptPolicyTest_xdkccuh4.5ug.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xdkccuh4.5ug.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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svchost.exe

Path C:\Users\Admin\AppData\Roaming\svchost.exe
Size 73KB
SHA256 255fb86d56dbcbf96016d55ccdbe48d2acf7762bb16e115487c4b9991c13bee2
MD5 d9cf29b5554af511c587d42fc89b333f
SHA1 cd607ac7223b6023f267b8e2bc072f065604bbe5
SHA512 2504067df1665cd4b142144b5c5e5085c44bac809e27226fb2bf4230b0cb2966e35c9a99416d22ad261f220f4aaec349a55fadc3d169300d6078853e75267ecf
SSDEEP 1536:F9wkc4ceDXruTXh+bX7kaAj6McOVBwVCJSdUf:yODyl+bXUhcOvwQac
MD5 SHA1 SHA512 SSDEEP

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memory/3552-56-0x00007FF965870000-0x00007FF966331000-memory.dmp

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memory/3552-0-0x00007FF965873000-0x00007FF965875000-memory.dmp

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memory/3552-57-0x00007FF965873000-0x00007FF965875000-memory.dmp

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memory/3552-61-0x00007FF965870000-0x00007FF966331000-memory.dmp

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memory/3552-1-0x00000000003B0000-0x00000000003C8000-memory.dmp

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memory/4884-17-0x00007FF965870000-0x00007FF966331000-memory.dmp

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memory/4884-16-0x00007FF965870000-0x00007FF966331000-memory.dmp

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memory/4884-13-0x00007FF965870000-0x00007FF966331000-memory.dmp

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memory/4884-12-0x00007FF965870000-0x00007FF966331000-memory.dmp

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memory/4884-2-0x00000266CBA60000-0x00000266CBA82000-memory.dmp

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