xworm | fd9e202bbc06743763e464da73aad4904e2f4840ce1ec716ebd65df8145807b9

Analysis

max time kernel
146s
max time network
145s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250217-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
04/03/2025, 17:38

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General

Target

Xy.exe
Size

279KB
MD5

26b8c8447ad993bac09e6f270c971350
SHA1

79eb2edfb98048ff5a1c299bd3a6791fd50f5c28
SHA256

fd9e202bbc06743763e464da73aad4904e2f4840ce1ec716ebd65df8145807b9
SHA512

1b67eaa1efda4a9149a29047e8a996e13d10e1d6e73f6d496075733b647a36718ac14fc0fa3de22eb1b2e66093470df18f9fae81a1f48427550633b93082834b
SSDEEP

6144:5s8L+T9Gs8uhFJuri3S6leB4eYdEQXj3PFCITdBh5SU8S9S6VeDk9:5s8aGpIMiP3SkjfFCABhoDS9S6VeDk9

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

127.0.0.1:36623

fax-scenarios.gl.at.ply.gg:36623

Mutex

iq4Cbvqxc9yxmDW5

Attributes

Install_directory
%AppData%
install_file
svchost.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000a000000027df1-32.dat	family_xworm
behavioral1/memory/3864-43-0x0000000000BE0000-0x0000000000BF2000-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
4528	powershell.exe
1424	powershell.exe
2180	powershell.exe
3812	powershell.exe

Checks computer location settings 2 TTPs 4 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-1-5-21-983685854-559653692-675906587-1000\Control Panel\International\Geo\Nation	Output6.exe
Key value queried	\REGISTRY\USER\S-1-5-21-983685854-559653692-675906587-1000\Control Panel\International\Geo\Nation	X.exe
Key value queried	\REGISTRY\USER\S-1-5-21-983685854-559653692-675906587-1000\Control Panel\International\Geo\Nation	Xy.exe
Key value queried	\REGISTRY\USER\S-1-5-21-983685854-559653692-675906587-1000\Control Panel\International\Geo\Nation	Output6.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 7 IoCs

pid	Process
1320	XYZ.exe
1152	Output6.exe
3864	X.exe
4212	Output6.exe
4324	X.exe
3884	svchost.exe
2264	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	XYZ.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983685854-559653692-675906587-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	X.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
1512	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4528	powershell.exe
4528	powershell.exe
1424	powershell.exe
1424	powershell.exe
2180	powershell.exe
2180	powershell.exe
3812	powershell.exe
3812	powershell.exe
3864	X.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3864	X.exe
Token: SeDebugPrivilege	4324	X.exe
Token: SeDebugPrivilege	4528	powershell.exe
Token: SeIncreaseQuotaPrivilege	4528	powershell.exe
Token: SeSecurityPrivilege	4528	powershell.exe
Token: SeTakeOwnershipPrivilege	4528	powershell.exe
Token: SeLoadDriverPrivilege	4528	powershell.exe
Token: SeSystemProfilePrivilege	4528	powershell.exe
Token: SeSystemtimePrivilege	4528	powershell.exe
Token: SeProfSingleProcessPrivilege	4528	powershell.exe
Token: SeIncBasePriorityPrivilege	4528	powershell.exe
Token: SeCreatePagefilePrivilege	4528	powershell.exe
Token: SeBackupPrivilege	4528	powershell.exe
Token: SeRestorePrivilege	4528	powershell.exe
Token: SeShutdownPrivilege	4528	powershell.exe
Token: SeDebugPrivilege	4528	powershell.exe
Token: SeSystemEnvironmentPrivilege	4528	powershell.exe
Token: SeRemoteShutdownPrivilege	4528	powershell.exe
Token: SeUndockPrivilege	4528	powershell.exe
Token: SeManageVolumePrivilege	4528	powershell.exe
Token: 33	4528	powershell.exe
Token: 34	4528	powershell.exe
Token: 35	4528	powershell.exe
Token: 36	4528	powershell.exe
Token: SeDebugPrivilege	1424	powershell.exe
Token: SeIncreaseQuotaPrivilege	1424	powershell.exe
Token: SeSecurityPrivilege	1424	powershell.exe
Token: SeTakeOwnershipPrivilege	1424	powershell.exe
Token: SeLoadDriverPrivilege	1424	powershell.exe
Token: SeSystemProfilePrivilege	1424	powershell.exe
Token: SeSystemtimePrivilege	1424	powershell.exe
Token: SeProfSingleProcessPrivilege	1424	powershell.exe
Token: SeIncBasePriorityPrivilege	1424	powershell.exe
Token: SeCreatePagefilePrivilege	1424	powershell.exe
Token: SeBackupPrivilege	1424	powershell.exe
Token: SeRestorePrivilege	1424	powershell.exe
Token: SeShutdownPrivilege	1424	powershell.exe
Token: SeDebugPrivilege	1424	powershell.exe
Token: SeSystemEnvironmentPrivilege	1424	powershell.exe
Token: SeRemoteShutdownPrivilege	1424	powershell.exe
Token: SeUndockPrivilege	1424	powershell.exe
Token: SeManageVolumePrivilege	1424	powershell.exe
Token: 33	1424	powershell.exe
Token: 34	1424	powershell.exe
Token: 35	1424	powershell.exe
Token: 36	1424	powershell.exe
Token: SeDebugPrivilege	2180	powershell.exe
Token: SeIncreaseQuotaPrivilege	2180	powershell.exe
Token: SeSecurityPrivilege	2180	powershell.exe
Token: SeTakeOwnershipPrivilege	2180	powershell.exe
Token: SeLoadDriverPrivilege	2180	powershell.exe
Token: SeSystemProfilePrivilege	2180	powershell.exe
Token: SeSystemtimePrivilege	2180	powershell.exe
Token: SeProfSingleProcessPrivilege	2180	powershell.exe
Token: SeIncBasePriorityPrivilege	2180	powershell.exe
Token: SeCreatePagefilePrivilege	2180	powershell.exe
Token: SeBackupPrivilege	2180	powershell.exe
Token: SeRestorePrivilege	2180	powershell.exe
Token: SeShutdownPrivilege	2180	powershell.exe
Token: SeDebugPrivilege	2180	powershell.exe
Token: SeSystemEnvironmentPrivilege	2180	powershell.exe
Token: SeRemoteShutdownPrivilege	2180	powershell.exe
Token: SeUndockPrivilege	2180	powershell.exe
Token: SeManageVolumePrivilege	2180	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3864	X.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 1320	4464	Xy.exe	84
PID 4464 wrote to memory of 1320	4464	Xy.exe	84
PID 1320 wrote to memory of 1152	1320	XYZ.exe	85
PID 1320 wrote to memory of 1152	1320	XYZ.exe	85
PID 1152 wrote to memory of 3864	1152	Output6.exe	86
PID 1152 wrote to memory of 3864	1152	Output6.exe	86
PID 1320 wrote to memory of 4212	1320	XYZ.exe	87
PID 1320 wrote to memory of 4212	1320	XYZ.exe	87
PID 4212 wrote to memory of 4324	4212	Output6.exe	88
PID 4212 wrote to memory of 4324	4212	Output6.exe	88
PID 3864 wrote to memory of 4528	3864	X.exe	89
PID 3864 wrote to memory of 4528	3864	X.exe	89
PID 3864 wrote to memory of 1424	3864	X.exe	94
PID 3864 wrote to memory of 1424	3864	X.exe	94
PID 3864 wrote to memory of 2180	3864	X.exe	97
PID 3864 wrote to memory of 2180	3864	X.exe	97
PID 3864 wrote to memory of 3812	3864	X.exe	100
PID 3864 wrote to memory of 3812	3864	X.exe	100
PID 3864 wrote to memory of 1512	3864	X.exe	102
PID 3864 wrote to memory of 1512	3864	X.exe	102

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\Xy.exe
"C:\Users\Admin\AppData\Local\Temp\Xy.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Users\Admin\AppData\Local\Temp\XYZ.exe
  "C:\Users\Admin\AppData\Local\Temp\XYZ.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1320
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output6.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output6.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:1152
  - - C:\Users\Admin\AppData\Local\Temp\X.exe
      "C:\Users\Admin\AppData\Local\Temp\X.exe"
      4⤵
      Checks computer location settings
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3864
    - - 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\X.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4528
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'X.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1424
    - - 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'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2180
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        
        PID:3812
    - - 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"
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:1512
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output6.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output6.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4212
  - - C:\Users\Admin\AppData\Local\Temp\X.exe
      "C:\Users\Admin\AppData\Local\Temp\X.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:4324

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
1⤵
- Executes dropped EXE
PID:3884

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
1⤵
- Executes dropped EXE
PID:2264

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Output6.exe.log

Filesize
654B

MD5
11c6e74f0561678d2cf7fc075a6cc00c

SHA1
535ee79ba978554abcb98c566235805e7ea18490

SHA256
d39a78fabca39532fcb85ce908781a75132e1bd01cc50a3b290dd87127837d63

SHA512
32c63d67bf512b42e7f57f71287b354200126cb417ef9d869c72e0b9388a7c2f5e3b61f303f1353baa1bf482d0f17e06e23c9f50b2f1babd4d958b6da19c40b0

Download Submit
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
9243fa89b20a2aebc1867c651d286e8d

SHA1
95a5bdc1dd48f885120d67874b2cdcffdd01235b

SHA256
4b9aa0aba5d440e056655fc8b4f3c2cbea38153eb87b16fbf6b1be791308349d

SHA512
fc84b34ff9c5b0c272b24d568c569936be194a8498efcb55eba5ea8f518ed5ebc2b0480bd5df85424a2cf1b367f7d5cd576533688869fb83678fb29256098b23

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

Filesize
1KB

MD5
14ade977d5aee19d8d43a5545fb17aa4

SHA1
2f09f41411cd31ea761e878ef477a0a15f037823

SHA256
313690a5bea10becc948a438d4197abe7d6116e1f36cc094bfe63ac4b76bc704

SHA512
f7bf8a2e6a5fe5e4c60873e8e053227f7fdeb46a7336d95ae08b3aefa3e46c4310ac5185903f9854172604b1f1cdfffa7a9aeeea11464adebe6d999f46f999c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output6.exe

Filesize
63KB

MD5
cd2ddcd6277870bf932c2ce7ceb6a751

SHA1
6b59512eeb05ca9ed7678dd22c3cf7bc5de73081

SHA256
a7054a1884840849875f337bda0597c9202b48a21fa3a5dd9b2aa10ff7f5c7c0

SHA512
41aed4d60838e507c58ecd83ff4e125381b0aac473bfb05f81562be83dcad051a3ba7cb2db90b2a29d72fa826dd3f734cbb7feb230969d1436d4cc19816a2c98

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

Filesize
44KB

MD5
d8dec448ddbb0749bbe3f4259c9bc29b

SHA1
93886a2b1c55fa6ff41ac5bce6945e601d355f8c

SHA256
56ef629323495497970ffe5efd4c3197bd8043825ba264b9e6294113675820ac

SHA512
20739296d87d15b801086a8e7478875722e83dc1fd4004e9905a1c6f8c0c8913644bcf7e5b7aecb760f4870354118fc10d218f952fcd7b204c1f0ebae4e4a400

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

Filesize
216KB

MD5
1e50acd16fd12d227a15e0a39d99ed93

SHA1
9814bab112a7d370d282d2a22e9867f938db37ca

SHA256
c4527dff7cfbd4b73509c0617dc8573a2d410298eadfdf5d4913a8b24aa290e8

SHA512
7454f284b93c779c9bc6b9a1454abf444a789ba5a6737eb15494b369ca69beca4197f5984672b07721210ed6e864fd31ce48ae4ea215b4cb69189918c3acaad9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4dmudfzr.xcn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1152-26-0x0000000000850000-0x0000000000864000-memory.dmp

Filesize
80KB

Download
memory/1152-27-0x00007FFB92ED0000-0x00007FFB93992000-memory.dmp

Filesize
10.8MB

Download
memory/1152-44-0x00007FFB92ED0000-0x00007FFB93992000-memory.dmp

Filesize
10.8MB

Download
memory/3864-43-0x0000000000BE0000-0x0000000000BF2000-memory.dmp

Filesize
72KB

Download
memory/3864-101-0x000000001B6E0000-0x000000001B6EC000-memory.dmp

Filesize
48KB

Download
memory/4464-0-0x00007FFB92ED3000-0x00007FFB92ED5000-memory.dmp

Filesize
8KB

Download
memory/4464-14-0x00007FFB92ED0000-0x00007FFB93992000-memory.dmp

Filesize
10.8MB

Download
memory/4464-2-0x0000000002900000-0x000000000293C000-memory.dmp

Filesize
240KB

Download
memory/4464-1-0x0000000000710000-0x000000000075E000-memory.dmp

Filesize
312KB

Download
memory/4464-25-0x00007FFB92ED0000-0x00007FFB93992000-memory.dmp

Filesize
10.8MB

Download
memory/4528-53-0x000001C453920000-0x000001C453942000-memory.dmp

Filesize
136KB

Download