xworm | 7a3d86182ae45a6be17ef36d1f12463b398c165a7e6fe4aa80e56ceab7f036eb

Analysis

max time kernel
149s
max time network
151s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250217-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
28/02/2025, 15:43

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General

Target

ExcellentFree.exe
Size

76KB
MD5

8cc568f48114422b0ca792dc8ce6009a
SHA1

bbe67dabd894ac2e45dc8027c6e3000f73ec97d7
SHA256

7a3d86182ae45a6be17ef36d1f12463b398c165a7e6fe4aa80e56ceab7f036eb
SHA512

45fe66a17c0473c0a4967d501d6f28f7a41fdce03ec31c46fb11ffd5fd848493578effbc36b4247ae49b987c41c3a559a9185dfdd0fd42468f30c310bea7bcc4
SSDEEP

1536:p1TUp7kYt63AuSN5z5UJrh+bILdScPA6BiHGOwKZRWX2emk:1YY32Uf+bmMe7OHZRvemk

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

cameras-happen.gl.at.ply.gg:23386

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral3/memory/2760-1-0x0000000000460000-0x000000000047A000-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
464	powershell.exe
4416	powershell.exe
3660	powershell.exe
64	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-1-5-21-1639757381-2759246526-4253643256-1000\Control Panel\International\Geo\Nation	ExcellentFree.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	ExcellentFree.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	ExcellentFree.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-1-5-21-1639757381-2759246526-4253643256-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	ExcellentFree.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3660	powershell.exe
3660	powershell.exe
64	powershell.exe
64	powershell.exe
464	powershell.exe
464	powershell.exe
4416	powershell.exe
4416	powershell.exe
2760	ExcellentFree.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	ExcellentFree.exe
Token: SeDebugPrivilege	3660	powershell.exe
Token: SeIncreaseQuotaPrivilege	3660	powershell.exe
Token: SeSecurityPrivilege	3660	powershell.exe
Token: SeTakeOwnershipPrivilege	3660	powershell.exe
Token: SeLoadDriverPrivilege	3660	powershell.exe
Token: SeSystemProfilePrivilege	3660	powershell.exe
Token: SeSystemtimePrivilege	3660	powershell.exe
Token: SeProfSingleProcessPrivilege	3660	powershell.exe
Token: SeIncBasePriorityPrivilege	3660	powershell.exe
Token: SeCreatePagefilePrivilege	3660	powershell.exe
Token: SeBackupPrivilege	3660	powershell.exe
Token: SeRestorePrivilege	3660	powershell.exe
Token: SeShutdownPrivilege	3660	powershell.exe
Token: SeDebugPrivilege	3660	powershell.exe
Token: SeSystemEnvironmentPrivilege	3660	powershell.exe
Token: SeRemoteShutdownPrivilege	3660	powershell.exe
Token: SeUndockPrivilege	3660	powershell.exe
Token: SeManageVolumePrivilege	3660	powershell.exe
Token: 33	3660	powershell.exe
Token: 34	3660	powershell.exe
Token: 35	3660	powershell.exe
Token: 36	3660	powershell.exe
Token: SeDebugPrivilege	64	powershell.exe
Token: SeIncreaseQuotaPrivilege	64	powershell.exe
Token: SeSecurityPrivilege	64	powershell.exe
Token: SeTakeOwnershipPrivilege	64	powershell.exe
Token: SeLoadDriverPrivilege	64	powershell.exe
Token: SeSystemProfilePrivilege	64	powershell.exe
Token: SeSystemtimePrivilege	64	powershell.exe
Token: SeProfSingleProcessPrivilege	64	powershell.exe
Token: SeIncBasePriorityPrivilege	64	powershell.exe
Token: SeCreatePagefilePrivilege	64	powershell.exe
Token: SeBackupPrivilege	64	powershell.exe
Token: SeRestorePrivilege	64	powershell.exe
Token: SeShutdownPrivilege	64	powershell.exe
Token: SeDebugPrivilege	64	powershell.exe
Token: SeSystemEnvironmentPrivilege	64	powershell.exe
Token: SeRemoteShutdownPrivilege	64	powershell.exe
Token: SeUndockPrivilege	64	powershell.exe
Token: SeManageVolumePrivilege	64	powershell.exe
Token: 33	64	powershell.exe
Token: 34	64	powershell.exe
Token: 35	64	powershell.exe
Token: 36	64	powershell.exe
Token: SeDebugPrivilege	464	powershell.exe
Token: SeIncreaseQuotaPrivilege	464	powershell.exe
Token: SeSecurityPrivilege	464	powershell.exe
Token: SeTakeOwnershipPrivilege	464	powershell.exe
Token: SeLoadDriverPrivilege	464	powershell.exe
Token: SeSystemProfilePrivilege	464	powershell.exe
Token: SeSystemtimePrivilege	464	powershell.exe
Token: SeProfSingleProcessPrivilege	464	powershell.exe
Token: SeIncBasePriorityPrivilege	464	powershell.exe
Token: SeCreatePagefilePrivilege	464	powershell.exe
Token: SeBackupPrivilege	464	powershell.exe
Token: SeRestorePrivilege	464	powershell.exe
Token: SeShutdownPrivilege	464	powershell.exe
Token: SeDebugPrivilege	464	powershell.exe
Token: SeSystemEnvironmentPrivilege	464	powershell.exe
Token: SeRemoteShutdownPrivilege	464	powershell.exe
Token: SeUndockPrivilege	464	powershell.exe
Token: SeManageVolumePrivilege	464	powershell.exe
Token: 33	464	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2760	ExcellentFree.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 3660	2760	ExcellentFree.exe	90
PID 2760 wrote to memory of 3660	2760	ExcellentFree.exe	90
PID 2760 wrote to memory of 64	2760	ExcellentFree.exe	94
PID 2760 wrote to memory of 64	2760	ExcellentFree.exe	94
PID 2760 wrote to memory of 464	2760	ExcellentFree.exe	96
PID 2760 wrote to memory of 464	2760	ExcellentFree.exe	96
PID 2760 wrote to memory of 4416	2760	ExcellentFree.exe	98
PID 2760 wrote to memory of 4416	2760	ExcellentFree.exe	98

C:\Users\Admin\AppData\Local\Temp\ExcellentFree.exe
"C:\Users\Admin\AppData\Local\Temp\ExcellentFree.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:2760
- 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\ExcellentFree.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3660
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ExcellentFree.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:64
- 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\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:464
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:4416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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\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
c67441dfa09f61bca500bb43407c56b8

SHA1
5a56cf7cbeb48c109e2128c31b681fac3959157b

SHA256
63082da456c124d0bc516d2161d1613db5f3008d903e4066d2c7b4e90b435f33

SHA512
325de8b718b3a01df05e20e028c5882240e5fd2e96c771361b776312923ff178f27494a1f5249bf6d7365a99155eb8735a51366e85597008e6a10462e63ee0e8

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

Filesize
1KB

MD5
84b01acc42baf174c03cb32c25968fb2

SHA1
783e414e03b5b15cf79316933d6559e9b1155b4d

SHA256
966a03eea4245912a734ac549bd7dd84d383474183e1dfc2011c7369c68681cf

SHA512
d027f307afdba928240b96478f3949ed25b5e878a9c5aaf57c492db5bb76eea3324d9472d47d74aa7513dbab8a2e0a7b901b6e6f0dbdf0e387dd20df472911bd

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

Filesize
1KB

MD5
de2f0f1eb81111b53da009af10ef181c

SHA1
98b97f769b3b187c648c8a4e4ec32b7db59f1c13

SHA256
ec0299bdbe85e533d346f228af446908c2e388e8e6b130904ff1444e23d2f1f9

SHA512
ae2d866fdc311990bcda78504788b62634edc349f681a345490795414f7bd58c16fa95149057a903ccae4779ae5e85e19d1f337d8bd1828778fbc491060c1c80

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dc2tx3qi.aqw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2760-0-0x00007FF9A3AB3000-0x00007FF9A3AB5000-memory.dmp

Filesize
8KB

Download
memory/2760-1-0x0000000000460000-0x000000000047A000-memory.dmp

Filesize
104KB

Download
memory/2760-57-0x00007FF9A3AB0000-0x00007FF9A4572000-memory.dmp

Filesize
10.8MB

Download
memory/2760-58-0x00007FF9A3AB0000-0x00007FF9A4572000-memory.dmp

Filesize
10.8MB

Download
memory/3660-14-0x00007FF9A3AB0000-0x00007FF9A4572000-memory.dmp

Filesize
10.8MB

Download
memory/3660-13-0x00007FF9A3AB0000-0x00007FF9A4572000-memory.dmp

Filesize
10.8MB

Download
memory/3660-15-0x00007FF9A3AB0000-0x00007FF9A4572000-memory.dmp

Filesize
10.8MB

Download
memory/3660-18-0x00007FF9A3AB0000-0x00007FF9A4572000-memory.dmp

Filesize
10.8MB

Download
memory/3660-12-0x00007FF9A3AB0000-0x00007FF9A4572000-memory.dmp

Filesize
10.8MB

Download
memory/3660-7-0x0000025EB8910000-0x0000025EB8932000-memory.dmp

Filesize
136KB

Download