xworm | c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/08/2026, 05:16

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General

Target
c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe
Size 37KB
Sample260808-fykntatzdy
SHA256 c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a
MD5 f5716596d708b1f83f7f5cd55c6ff451
SHA1 ccc6d8c82392c71a8352188c63512ca09ded3d6e
SHA512 6596df89576504b6ef3248c829cb672697486ddd78a17bf7078d172a3de2cf691493b5ff7b11c609e1362cd804b9e944eeb27e0251b8e9cebbf597e8e60071c9
SSDEEP 384:PjSXe516/6aDUSEoSLF63LZOTu3H2Cq9WGeKZWFEw5DpkFyHBLTp9iZwdJzVvNbj:91SU493kQGeKQ/cFyz96pb6pOjh/yP
TLSH
T1DE034C48B7944726C5FEAFB59AB265494630F707D927EB9E0CE584CF2727AC0CE10392
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution xworm persistence privilege_escalation rat trojan

Malware Config

Extracted

Family

xworm

Version

92.119.165.248:30939

Mutex

y4Dl89WrZ74zpGe5

Attributes

Install_directory
%AppData%
install_file
RuntimeBroker.exe
telegram
https://api.telegram.org/bot8717513226:AAGV_GQpK8_vZ-L-wAVzMsyUpz5XTwPLVWc/sendMessage?chat_id=8378958939

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
behavioral1/memory/5096-0-0x0000000000DA0000-0x0000000000DB0000-memory.dmp	family_xworm
behavioral1/files/0x00170000000243db-46.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
3144	powershell.exe
4552	powershell.exe
3156	powershell.exe
1728	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-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation	c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe

Creates a file in the Startup directory 1 TTPs 2 IoCs

A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

persistence privilege_escalation

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RuntimeBroker.lnk	c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RuntimeBroker.lnk	c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe

Executes dropped EXE 1 IoCs

pid	Process
228	RuntimeBroker.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-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "C:\\Users\\Admin\\AppData\\Roaming\\RuntimeBroker.exe"	c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3144	powershell.exe
3144	powershell.exe
4552	powershell.exe
4552	powershell.exe
3156	powershell.exe
3156	powershell.exe
1728	powershell.exe
1728	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	5096	c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe
Token: SeDebugPrivilege	3144	powershell.exe
Token: SeDebugPrivilege	4552	powershell.exe
Token: SeDebugPrivilege	3156	powershell.exe
Token: SeDebugPrivilege	1728	powershell.exe
Token: SeDebugPrivilege	5096	c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe
Token: SeDebugPrivilege	228	RuntimeBroker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5096 wrote to memory of 3144	5096	c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe	86
PID 5096 wrote to memory of 4552	5096	c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe	88
PID 5096 wrote to memory of 3156	5096	c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe	90
PID 5096 wrote to memory of 1728	5096	c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe	92

C:\Users\Admin\AppData\Local\Temp\c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe
"C:\Users\Admin\AppData\Local\Temp\c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe"
1⤵
- Checks computer location settings
- Creates a file in the Startup directory
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5096
- 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\c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3144
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4552
- 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\RuntimeBroker.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3156
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'RuntimeBroker.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1728

C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:228

Network

MITRE ATT&CK Enterprise v16

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

Replay Monitor

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
TLSH
T1CE51EE323375B1E888167F071E681A8053BF4355EA94AF1CB698621ED93641B9F222F3
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 9d031d7193142f7120476fe181006807652ca4a8caec8fbab3f4e4f86e451049
MD5 f4d10dbf9ff1d91226db0d9ce144033c
SHA1 1fab5ab3cf8b1b48a146c3b83fad67c44c7bd791
SHA512 2b2fed18f7ac2e15f990aaab9fc814f040bd387cbf3634b8d2cf22d24bb8fe8c87e88f640190dce2362edcb33cc3296bb76ed462f847cfac8eaab6456000f1d8
TLSH
T12B112223F38C8920CC96163A509DAC5172B586CB81EEDF9F7FC0D210A1BF584CB61294
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 b2dd636b7b0d3bfe44cef5e1175828b1fa7bd84d5563f54342944156ba996c16
MD5 cae60f0ddddac635da71bba775a2c5b4
SHA1 386f1a036af61345a7d303d45f5230e2df817477
SHA512 28ed8a8bc132ef56971cfd7b517b17cdb74a7f8c247ef6bff232996210075e06aa58a415825a1e038cfb547ad3dc6882bf1ca1b68c5b360ef0512a1440850253
TLSH
T191112223F38C8920CC961539509DAC5172B586CB81AFDE9F7FC0D211A1BF584CB61194
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 ad07460e061642c0dd4e7dfa7b821aacce873e290389e72f708e9f3504f9d135
MD5 e60eb305a7b2d9907488068b7065abd3
SHA1 1643dd7f915ac50c75bc01c53d68c5dafb9ce28d
SHA512 95c45afec6fa4e0b2a21edd10a6b2dc30568810c67bc9bc34d98ab111c48261f377a370583adb27e08616b0108026c119493b1b093b52ce931117e646b46cb7b
TLSH
T108112223F38C8960CC961539509DAC5172B586CB81AFDE9F7FC0C210A1BF584CB61194
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_dkac2ter.kcg.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dkac2ter.kcg.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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RuntimeBroker.exe

Path C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
Size 37KB
SHA256 c7c3ccdffbe5e8d231ab21b9bbd89e535b8fac910a2ed6fa790c1a98ea9f203a
MD5 f5716596d708b1f83f7f5cd55c6ff451
SHA1 ccc6d8c82392c71a8352188c63512ca09ded3d6e
SHA512 6596df89576504b6ef3248c829cb672697486ddd78a17bf7078d172a3de2cf691493b5ff7b11c609e1362cd804b9e944eeb27e0251b8e9cebbf597e8e60071c9
SSDEEP 384:PjSXe516/6aDUSEoSLF63LZOTu3H2Cq9WGeKZWFEw5DpkFyHBLTp9iZwdJzVvNbj:91SU493kQGeKQ/cFyz96pb6pOjh/yP
TLSH
T1DE034C48B7944726C5FEAFB59AB265494630F707D927EB9E0CE584CF2727AC0CE10392
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3144-2-0x000001F6C41E0000-0x000001F6C41F0000-memory.dmp

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memory/3144-1-0x000001F6C41E0000-0x000001F6C41F0000-memory.dmp

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memory/3144-3-0x000001F6DE890000-0x000001F6DE8B2000-memory.dmp

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memory/5096-0-0x0000000000DA0000-0x0000000000DB0000-memory.dmp

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memory/5096-45-0x000000001BAB0000-0x000000001BAC0000-memory.dmp

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memory/5096-49-0x000000001BAB0000-0x000000001BAC0000-memory.dmp

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