xworm | e064eed0fc19d4df77bd33c3e26ff2f2e25639550292f93218c17a0ddceb0299

Analysis

user interaction
yes
max time kernel
46s
max time network
42s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
23/05/2026, 09:54

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General

Target
New folder/XWormClient - Copy (5).exe
Size 38KB
Sample260523-lxbbmsfx2p
SHA256 e064eed0fc19d4df77bd33c3e26ff2f2e25639550292f93218c17a0ddceb0299
MD5 18e23bf17fdaf0280f9fb5f6849a5ac5
SHA1 e9bc84aa9bbc165f599615c73fb911464dd3cf5e
SHA512 80f29ba6646c9100831a3e4bbaf18548741266af8335f6f1cc1e2f0b04dee5eb57a248eff9bfb4d54dbf94cf7d32051f1015aa8dcce48633155cef29d0d17cc3
SSDEEP 768:zny1W6y/VUKqY9ycScOAAFWPr9tr6UOwhG7v7:zgWxVN39y3FW9tr6UOw0z7
TLSH
T1FC036C447BD04225C6FE6BF45DB2A5060730A7079D23E78D4CE886AA2F77BD4CA407E6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

Mutex

speN341SssyFGzgn

Attributes

Install_directory
%AppData%
install_file
gayclient.exe

aes.plain

Signatures

Family: Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral4/memory/2580-0-0x0000000000410000-0x0000000000420000-memory.dmp	family_xworm
behavioral4/files/0x002600000002b376-73.dat	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
3624	powershell.exe
4992	powershell.exe
4892	powershell.exe
1128	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
240	gayclient.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
4392	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4892	powershell.exe
4892	powershell.exe
1128	powershell.exe
1128	powershell.exe
3624	powershell.exe
3624	powershell.exe
4992	powershell.exe
4992	powershell.exe
2580	XWormClient - Copy (5).exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2580	XWormClient - Copy (5).exe
Token: SeDebugPrivilege	4892	powershell.exe
Token: SeDebugPrivilege	1128	powershell.exe
Token: SeDebugPrivilege	3624	powershell.exe
Token: SeDebugPrivilege	4992	powershell.exe
Token: SeDebugPrivilege	240	gayclient.exe
Token: SeDebugPrivilege	2580	XWormClient - Copy (5).exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2580	XWormClient - Copy (5).exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 4892	2580	XWormClient - Copy (5).exe	81
PID 2580 wrote to memory of 1128	2580	XWormClient - Copy (5).exe	83
PID 2580 wrote to memory of 3624	2580	XWormClient - Copy (5).exe	85
PID 2580 wrote to memory of 4992	2580	XWormClient - Copy (5).exe	87
PID 2580 wrote to memory of 4392	2580	XWormClient - Copy (5).exe	89

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\New folder\XWormClient - Copy (5).exe
"C:\Users\Admin\AppData\Local\Temp\New folder\XWormClient - Copy (5).exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2580
- 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\New folder\XWormClient - Copy (5).exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4892
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XWormClient - Copy (5).exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1128
- 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\gayclient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3624
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'gayclient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4992
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "gayclient" /tr "C:\Users\Admin\AppData\Roaming\gayclient.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4392

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:240

Network

MITRE ATT&CK Enterprise v16

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

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 4KB
SHA256 e27390d57580e3dfba07bec3d8e430203bbc91e90f6937079b3fd52abc721bd4
MD5 dbbd2d4458d7e8094846420da595dfc3
SHA1 267cb47b904f14a519d2bd73abfdb30e1a06e1a6
SHA512 480e7ca865b811f79f35fcfe7a9ac0280b48d1f9459873d18f000db55c72d53345cf3a10075c1ac407439545f699ce2a7bef38b00b4e19439edf384b00045531
SSDEEP 96:iq4uYqGEo9xx+incqKXq3qotzYNYr7aqCiNLm7RIz+cBPzQh0nRAy6FcxZcosQSm:iq4uYqGEUdncqKXq3qotzYuWq2Iz+wx
TLSH
T11D91EE323375E0D5C8263F07192C19C463AF439AEA54AF48B258620EED2714BDF122F7
MD5 SHA1 SHA512 SSDEEP TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 fb485201330a5ca14dc2d7a80ecf88b5c9e53d59929f9234c3ccf7548e2fe73f
MD5 d457c1f4bc93b922760f898f5ee33a51
SHA1 73b3a14397cddbaf0f61cf73df084973e2d781f1
SHA512 84f2942c741f0034f4c83cc58350d8c63e150b1bf02c2c65e07ee2f259dd5679b2e318faec233d2be6e5d4ce67ce7b56725dd4ab4a3186aef34d62da35bcff17
TLSH
T12D218633B7ACC235C8D911BA208CAD01B2B5C3C7449ECE8B7B84C518A57F99ADB645E4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 99cf1438b80924d9cfddee2c1ae8a5c2c9d328dff6cee063a6abc152c73786d6
MD5 c23239bdbc7d69a3cea57efc666cb056
SHA1 bb329bb0cac87907acb729a9355388c6ecc57d1a
SHA512 d5821275ca248896a8f6c062b5f176fd36d6360205b56f425303b4fd1d67f8c9db760d6e9b66548b316d005b9efc24aed003af30d89f90ceba5f05b861ff6317
TLSH
T1DF218933B79CC134C8D9117A208DAD01B2B5C3C7449ECE8B7B84C508A57F999DB645E4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 2a638dde6dd653eb4c5a33e9401cefdbb8f350d512c8b618cbaece53307e2963
MD5 04b889d70b4a015a2d4d465d43e1c5ba
SHA1 691902d4d4b425acce58914222d01215de86cf00
SHA512 659b67ebce9c9254bdf0be2f6fe498bdc98a095245c64495b4addff6466addd09e55e1ff079abbf3cccaa7c9b753c96950b2ef71b48e8dc05b8ee967e2852afc
TLSH
T1C7218933B79CC134C8C9117A108DAD01B2B5C3C7449ECE8B7B84C518A57F899DF681A4
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_ryyluv5j.bxg.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ryyluv5j.bxg.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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gayclient.exe

Path C:\Users\Admin\AppData\Roaming\gayclient.exe
Size 38KB
SHA256 e064eed0fc19d4df77bd33c3e26ff2f2e25639550292f93218c17a0ddceb0299
MD5 18e23bf17fdaf0280f9fb5f6849a5ac5
SHA1 e9bc84aa9bbc165f599615c73fb911464dd3cf5e
SHA512 80f29ba6646c9100831a3e4bbaf18548741266af8335f6f1cc1e2f0b04dee5eb57a248eff9bfb4d54dbf94cf7d32051f1015aa8dcce48633155cef29d0d17cc3
SSDEEP 768:zny1W6y/VUKqY9ycScOAAFWPr9tr6UOwhG7v7:zgWxVN39y3FW9tr6UOw0z7
TLSH
T1FC036C447BD04225C6FE6BF45DB2A5060730A7079D23E78D4CE886AA2F77BD4CA407E6
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2580-0-0x0000000000410000-0x0000000000420000-memory.dmp

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memory/4892-21-0x000001C7730D0000-0x000001C7730DA000-memory.dmp

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memory/4892-25-0x000001C773660000-0x000001C77366A000-memory.dmp

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memory/4892-20-0x000001C773620000-0x000001C77363C000-memory.dmp

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memory/4892-18-0x000001C773310000-0x000001C7733C3000-memory.dmp

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memory/4892-22-0x000001C773640000-0x000001C77365A000-memory.dmp

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memory/4892-23-0x000001C7730E0000-0x000001C7730E8000-memory.dmp

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memory/4892-24-0x000001C7730F0000-0x000001C7730F6000-memory.dmp

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memory/4892-19-0x000001C7730C0000-0x000001C7730CA000-memory.dmp

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memory/4892-26-0x000001C757C30000-0x000001C757C40000-memory.dmp

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memory/4892-17-0x000001C7730A0000-0x000001C7730BC000-memory.dmp

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memory/4892-10-0x000001C757C30000-0x000001C757C40000-memory.dmp

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memory/4892-3-0x000001C773020000-0x000001C773042000-memory.dmp

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memory/4892-1-0x000001C757C30000-0x000001C757C40000-memory.dmp

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memory/4892-2-0x000001C757C30000-0x000001C757C40000-memory.dmp

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