xworm | e064eed0fc19d4df77bd33c3e26ff2f2e25639550292f93218c17a0ddceb0299

Analysis

user interaction
yes
max time kernel
1050s
max time network
1043s
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.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
behavioral10/memory/4820-0-0x0000000000F50000-0x0000000000F60000-memory.dmp	family_xworm
behavioral10/files/0x002500000002b31d-75.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
1732	powershell.exe
1028	powershell.exe
1076	powershell.exe
2428	powershell.exe

Executes dropped EXE 18 IoCs

pid	Process
1716	gayclient.exe
4508	gayclient.exe
2284	gayclient.exe
3872	gayclient.exe
4624	gayclient.exe
3956	gayclient.exe
1448	gayclient.exe
3744	gayclient.exe
2940	gayclient.exe
1556	gayclient.exe
4332	gayclient.exe
4044	gayclient.exe
1180	gayclient.exe
1628	gayclient.exe
3896	gayclient.exe
1048	gayclient.exe
4228	gayclient.exe
3100	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
1832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1076	powershell.exe
1076	powershell.exe
2428	powershell.exe
2428	powershell.exe
1732	powershell.exe
1732	powershell.exe
1028	powershell.exe
1028	powershell.exe
4820	XWormClient.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	4820	XWormClient.exe
Token: SeDebugPrivilege	1076	powershell.exe
Token: SeDebugPrivilege	2428	powershell.exe
Token: SeDebugPrivilege	1732	powershell.exe
Token: SeDebugPrivilege	1028	powershell.exe
Token: SeDebugPrivilege	1716	gayclient.exe
Token: SeDebugPrivilege	4820	XWormClient.exe
Token: SeDebugPrivilege	4508	gayclient.exe
Token: SeDebugPrivilege	2284	gayclient.exe
Token: SeDebugPrivilege	3872	gayclient.exe
Token: SeDebugPrivilege	4624	gayclient.exe
Token: SeDebugPrivilege	3956	gayclient.exe
Token: SeDebugPrivilege	1448	gayclient.exe
Token: SeDebugPrivilege	3744	gayclient.exe
Token: SeDebugPrivilege	2940	gayclient.exe
Token: SeDebugPrivilege	1556	gayclient.exe
Token: SeDebugPrivilege	4332	gayclient.exe
Token: SeDebugPrivilege	4044	gayclient.exe
Token: SeDebugPrivilege	1180	gayclient.exe
Token: SeDebugPrivilege	1628	gayclient.exe
Token: SeDebugPrivilege	3896	gayclient.exe
Token: SeDebugPrivilege	1048	gayclient.exe
Token: SeDebugPrivilege	4228	gayclient.exe
Token: SeDebugPrivilege	3100	gayclient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4820	XWormClient.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 1076	4820	XWormClient.exe	81
PID 4820 wrote to memory of 2428	4820	XWormClient.exe	83
PID 4820 wrote to memory of 1732	4820	XWormClient.exe	85
PID 4820 wrote to memory of 1028	4820	XWormClient.exe	87
PID 4820 wrote to memory of 1832	4820	XWormClient.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.exe
"C:\Users\Admin\AppData\Local\Temp\New folder\XWormClient.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4820
- 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.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1076
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XWormClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2428
- 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:1732
- 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:1028
- 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:1832

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1716

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4508

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2284

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3872

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4624

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3956

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1448

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3744

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2940

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1556

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4332

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4044

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1180

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1628

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3896

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1048

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4228

C:\Users\Admin\AppData\Roaming\gayclient.exe
C:\Users\Admin\AppData\Roaming\gayclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3100

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

Replay Monitor

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Downloads

gayclient.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\gayclient.exe.log
Size 654B
SHA256 e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3
MD5 2cbbb74b7da1f720b48ed31085cbd5b8
SHA1 79caa9a3ea8abe1b9c4326c3633da64a5f724964
SHA512 ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9
TLSH
T119F0A2302371E1C8C9263F422C0D2A4966AF474A7B50FE0C7694635DD825167AF313F3
MD5 SHA1 SHA512 TLSH

Submit Download

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 c8d4bf0af7143157dd6346ebce738cec90d00493cc5edcb63c0ce4c780511eab
MD5 2c2ea95e2d53b2aa226cfea98c001447
SHA1 f8d5dea9549546ff3e8a219e9a0401232c22925c
SHA512 bb5a448f59a09299b694c671411bd4cd2a5deb7c1ac904abdddd077f5879baa082584457fb711b2cb11b9ade4682a068e6d27fe0e22d02cd1ad9274e6929ab85
TLSH
T17D218933B79CC134C8D9117A108CAD11B1B5C3C7449ECE9B7B84C508A57F999DB645E4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 fc0648c036a0ffe9045065004895782e13b67225458d683072eeaaf178e44d82
MD5 f35fecf82f74787da77b9a48ca21317e
SHA1 3be477501172be25875d6f28f40d53a4bdeb9bc8
SHA512 be2d88c0119939786d1eb93f6d85fc32258c05afc5e47942d56f4f5203044b2ef4413cce7bf30d4efd29ffcd9c83d411a12a868ddcbb2464453dff13cec76926
TLSH
T136218933B79CC134C8D9117A108DAD01B2B6C3C7449ECE8B7B84C518A57F999DB645E4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 264c9c2b1aa361f06b85af0c41db07271e8b4bb930cf49832ed1e4f66448244b
MD5 8c619e4af90e791affee48925560e017
SHA1 80a987a5fab9e5c0b91d409f9480ee38e06184d3
SHA512 3c99a731e4feea761730b5207aff9c70269a2c10c449b74cc1b72987e08140a6980b2af29bdc3473f6ab52ed1119756742bb3bc58ed6325408ad8df3e1c66ed6
TLSH
T113218933B79CC134C8D911BA108DAD01B2B5C3C7449ECE8B7B84C508A57F99ADB645E4
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_duczpe1i.one.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_duczpe1i.one.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

Submit Download

memory/1076-11-0x00007FF47B1D0000-0x00007FF47B1E0000-memory.dmp

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memory/1076-27-0x0000015753400000-0x0000015753410000-memory.dmp

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memory/1076-20-0x0000015755560000-0x000001575556A000-memory.dmp

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memory/1076-21-0x0000015755590000-0x00000157555AC000-memory.dmp

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memory/1076-22-0x0000015755570000-0x000001575557A000-memory.dmp

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memory/1076-23-0x00000157555D0000-0x00000157555EA000-memory.dmp

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memory/1076-24-0x0000015755580000-0x0000015755588000-memory.dmp

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memory/1076-25-0x00000157555B0000-0x00000157555B6000-memory.dmp

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memory/1076-26-0x00000157555C0000-0x00000157555CA000-memory.dmp

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memory/1076-19-0x00000157554A0000-0x0000015755553000-memory.dmp

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memory/1076-18-0x0000015755480000-0x000001575549C000-memory.dmp

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memory/1076-2-0x0000015753400000-0x0000015753410000-memory.dmp

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memory/1076-10-0x0000015753400000-0x0000015753410000-memory.dmp

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memory/1076-8-0x00000157397E0000-0x0000015739802000-memory.dmp

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memory/1076-1-0x0000015753400000-0x0000015753410000-memory.dmp

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memory/4820-74-0x000000001D2C0000-0x000000001D2D0000-memory.dmp

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memory/4820-78-0x000000001D2C0000-0x000000001D2D0000-memory.dmp

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memory/4820-0-0x0000000000F50000-0x0000000000F60000-memory.dmp

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