xworm | c352c942b6df33510094c7100fb9d48e36b8e1e2af40a60ccc360b58721c2390

Analysis

max time kernel
148s
max time network
150s
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, 18:10

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General

Target

15415145.exe
Size

59KB
MD5

6c091ad6fae0fa76f44870d1a1b05cb4
SHA1

040f60c0ee3f4902f919025057e34ab4d11b1abd
SHA256

c352c942b6df33510094c7100fb9d48e36b8e1e2af40a60ccc360b58721c2390
SHA512

3a414f40f99e5847d9631c4ac1143c76e77db7ae42dd8c7aed2ebf1742ec73bb802d54d6cbde3b04f6b894a4cf731aa4e9dbad95166bade13f787b489d8e8d86
SSDEEP

1536:skyZtyUQ8sBkROLW+UzbTH3gfm2qt0OgSko7:skItfQ8sBkROUzbTQf+6OgK7

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

known-savage.gl.at.ply.gg:45116

association-lectures.gl.at.ply.gg:32463

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral4/memory/4696-0-0x0000000000FC0000-0x0000000000FD6000-memory.dmp	family_xworm
behavioral4/files/0x000c000000027e36-8.dat	family_xworm
behavioral4/files/0x0007000000027ee1-24.dat	family_xworm
behavioral4/memory/2776-34-0x0000000000B70000-0x0000000000B7E000-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 3 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1756	powershell.exe
1976	powershell.exe
1276	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-1-5-21-1786400979-876203093-3022739302-1000\Control Panel\International\Geo\Nation	15415145.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1786400979-876203093-3022739302-1000\Control Panel\International\Geo\Nation	dpzmzd.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\15415145.lnk	15415145.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\15415145.lnk	15415145.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dpzmzd.lnk	dpzmzd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dpzmzd.lnk	dpzmzd.exe

Executes dropped EXE 5 IoCs

pid	Process
2092	15415145.exe
2948	15415145.exe
2776	dpzmzd.exe
2120	ceuzkb.exe
1668	jxlsuf.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\USER\S-1-5-21-1786400979-876203093-3022739302-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\15415145 = "C:\\Users\\Admin\\AppData\\Roaming\\15415145.exe"	15415145.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1786400979-876203093-3022739302-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dpzmzd = "C:\\Users\\Admin\\AppData\\Roaming\\dpzmzd.exe"	dpzmzd.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 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3744	schtasks.exe
4692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1276	powershell.exe
1276	powershell.exe
1756	powershell.exe
1756	powershell.exe
1976	powershell.exe
1976	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4696	15415145.exe
Token: SeDebugPrivilege	4696	15415145.exe
Token: SeDebugPrivilege	2092	15415145.exe
Token: SeDebugPrivilege	2948	15415145.exe
Token: SeDebugPrivilege	2776	dpzmzd.exe
Token: SeDebugPrivilege	1276	powershell.exe
Token: SeDebugPrivilege	2120	ceuzkb.exe
Token: SeIncreaseQuotaPrivilege	1276	powershell.exe
Token: SeSecurityPrivilege	1276	powershell.exe
Token: SeTakeOwnershipPrivilege	1276	powershell.exe
Token: SeLoadDriverPrivilege	1276	powershell.exe
Token: SeSystemProfilePrivilege	1276	powershell.exe
Token: SeSystemtimePrivilege	1276	powershell.exe
Token: SeProfSingleProcessPrivilege	1276	powershell.exe
Token: SeIncBasePriorityPrivilege	1276	powershell.exe
Token: SeCreatePagefilePrivilege	1276	powershell.exe
Token: SeBackupPrivilege	1276	powershell.exe
Token: SeRestorePrivilege	1276	powershell.exe
Token: SeShutdownPrivilege	1276	powershell.exe
Token: SeDebugPrivilege	1276	powershell.exe
Token: SeSystemEnvironmentPrivilege	1276	powershell.exe
Token: SeRemoteShutdownPrivilege	1276	powershell.exe
Token: SeUndockPrivilege	1276	powershell.exe
Token: SeManageVolumePrivilege	1276	powershell.exe
Token: 33	1276	powershell.exe
Token: 34	1276	powershell.exe
Token: 35	1276	powershell.exe
Token: 36	1276	powershell.exe
Token: SeDebugPrivilege	1756	powershell.exe
Token: SeIncreaseQuotaPrivilege	1756	powershell.exe
Token: SeSecurityPrivilege	1756	powershell.exe
Token: SeTakeOwnershipPrivilege	1756	powershell.exe
Token: SeLoadDriverPrivilege	1756	powershell.exe
Token: SeSystemProfilePrivilege	1756	powershell.exe
Token: SeSystemtimePrivilege	1756	powershell.exe
Token: SeProfSingleProcessPrivilege	1756	powershell.exe
Token: SeIncBasePriorityPrivilege	1756	powershell.exe
Token: SeCreatePagefilePrivilege	1756	powershell.exe
Token: SeBackupPrivilege	1756	powershell.exe
Token: SeRestorePrivilege	1756	powershell.exe
Token: SeShutdownPrivilege	1756	powershell.exe
Token: SeDebugPrivilege	1756	powershell.exe
Token: SeSystemEnvironmentPrivilege	1756	powershell.exe
Token: SeRemoteShutdownPrivilege	1756	powershell.exe
Token: SeUndockPrivilege	1756	powershell.exe
Token: SeManageVolumePrivilege	1756	powershell.exe
Token: 33	1756	powershell.exe
Token: 34	1756	powershell.exe
Token: 35	1756	powershell.exe
Token: 36	1756	powershell.exe
Token: SeDebugPrivilege	1976	powershell.exe
Token: SeIncreaseQuotaPrivilege	1976	powershell.exe
Token: SeSecurityPrivilege	1976	powershell.exe
Token: SeTakeOwnershipPrivilege	1976	powershell.exe
Token: SeLoadDriverPrivilege	1976	powershell.exe
Token: SeSystemProfilePrivilege	1976	powershell.exe
Token: SeSystemtimePrivilege	1976	powershell.exe
Token: SeProfSingleProcessPrivilege	1976	powershell.exe
Token: SeIncBasePriorityPrivilege	1976	powershell.exe
Token: SeCreatePagefilePrivilege	1976	powershell.exe
Token: SeBackupPrivilege	1976	powershell.exe
Token: SeRestorePrivilege	1976	powershell.exe
Token: SeShutdownPrivilege	1976	powershell.exe
Token: SeDebugPrivilege	1976	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 3744	4696	15415145.exe	84
PID 4696 wrote to memory of 3744	4696	15415145.exe	84
PID 4696 wrote to memory of 2776	4696	15415145.exe	93
PID 4696 wrote to memory of 2776	4696	15415145.exe	93
PID 2776 wrote to memory of 1276	2776	dpzmzd.exe	94
PID 2776 wrote to memory of 1276	2776	dpzmzd.exe	94
PID 4696 wrote to memory of 2120	4696	15415145.exe	96
PID 4696 wrote to memory of 2120	4696	15415145.exe	96
PID 2776 wrote to memory of 1756	2776	dpzmzd.exe	98
PID 2776 wrote to memory of 1756	2776	dpzmzd.exe	98
PID 2776 wrote to memory of 1976	2776	dpzmzd.exe	100
PID 2776 wrote to memory of 1976	2776	dpzmzd.exe	100
PID 4696 wrote to memory of 1668	4696	15415145.exe	102
PID 4696 wrote to memory of 1668	4696	15415145.exe	102
PID 2776 wrote to memory of 4692	2776	dpzmzd.exe	103
PID 2776 wrote to memory of 4692	2776	dpzmzd.exe	103

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\15415145.exe
"C:\Users\Admin\AppData\Local\Temp\15415145.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "15415145" /tr "C:\Users\Admin\AppData\Roaming\15415145.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3744
- C:\Users\Admin\AppData\Local\Temp\dpzmzd.exe
  "C:\Users\Admin\AppData\Local\Temp\dpzmzd.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2776
- - 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\dpzmzd.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1276
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'dpzmzd.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1756
- - 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\dpzmzd.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1976
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "dpzmzd" /tr "C:\Users\Admin\AppData\Roaming\dpzmzd.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4692
- C:\Users\Admin\AppData\Local\Temp\ceuzkb.exe
  "C:\Users\Admin\AppData\Local\Temp\ceuzkb.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2120
- C:\Users\Admin\AppData\Local\Temp\jxlsuf.exe
  "C:\Users\Admin\AppData\Local\Temp\jxlsuf.exe"
  2⤵
  - Executes dropped EXE
  PID:1668

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2092

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2948

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\15415145.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
6e6598b74832f2ce8d069827dec0e113

SHA1
faa4fb9db403cfb340efdb82bc3537b4dc3143a5

SHA256
6b8085347380925bb663273801c17ad3d91e970f735ab076e922db19f01cc0b1

SHA512
34cf28eb78a72b6517ac4091630ecd08bd116f2f5d95d26302276d1c1c8de8f9df3f7e0201dacf5e825f2ffbfad71eba98b9645db117e1b459c6989b9ae08983

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_332q1wpj.dr0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
34KB

MD5
950d739da650457fab6a225545794238

SHA1
e965286161ecda1b8c0072d8a2d80c191bb15705

SHA256
a571fcac5384158c4927e7c7cf07182b68eccf67845ba927beae44cd9835e3f8

SHA512
b7b91343176c5a7f6408b21fbc96c23d0b02c080b846e29f304ba91de1d0f37a772953e7ab65d1d627cb3490fbef3b85681564e878d8dcda57c0897dbad1d19b

Download Submit
C:\Users\Admin\AppData\Roaming\15415145.exe

Filesize
59KB

MD5
6c091ad6fae0fa76f44870d1a1b05cb4

SHA1
040f60c0ee3f4902f919025057e34ab4d11b1abd

SHA256
c352c942b6df33510094c7100fb9d48e36b8e1e2af40a60ccc360b58721c2390

SHA512
3a414f40f99e5847d9631c4ac1143c76e77db7ae42dd8c7aed2ebf1742ec73bb802d54d6cbde3b04f6b894a4cf731aa4e9dbad95166bade13f787b489d8e8d86

Download Submit
memory/1276-41-0x000002497F210000-0x000002497F232000-memory.dmp

Filesize
136KB

Download
memory/2092-15-0x00007FFC1FD13000-0x00007FFC1FD15000-memory.dmp

Filesize
8KB

Download
memory/2776-34-0x0000000000B70000-0x0000000000B7E000-memory.dmp

Filesize
56KB

Download
memory/4696-1-0x00007FFC3DFF0000-0x00007FFC3E343000-memory.dmp

Filesize
3.3MB

Download
memory/4696-12-0x00007FFC3DFF0000-0x00007FFC3E343000-memory.dmp

Filesize
3.3MB

Download
memory/4696-11-0x00007FFC3DFF0000-0x00007FFC3E343000-memory.dmp

Filesize
3.3MB

Download
memory/4696-10-0x00007FFC3DFF0000-0x00007FFC3E343000-memory.dmp

Filesize
3.3MB

Download
memory/4696-0-0x0000000000FC0000-0x0000000000FD6000-memory.dmp

Filesize
88KB

Download