xworm | 041a079d4a95d872c3d4465201ec56c91b682f13060aa8a916e9f3491d76fe4c

Analysis

max time kernel
150s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260630-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/07/2026, 15:29

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General

Target
injection.exe
Size 289KB
Sample260705-sw9ldads5v
SHA256 041a079d4a95d872c3d4465201ec56c91b682f13060aa8a916e9f3491d76fe4c
MD5 f51d89b2d3ccce3e4983c3f7aabedb60
SHA1 a84eaa4da48821c504fbb5b913cf6ee986e9e005
SHA512 93a798642e4e98ed40e997f56c6fae80763d27220e95c7a1afcb203983384c7015529282433e99f43ef1120ec7930f5a204826fd168e0eff0c27db2f111579b2
SSDEEP 3072:hvGOZNB7iD5X7/eNnwz5h1FAQ07GV1wenCc3acEHBAnpK37nXZv87004Q7EUPsxT:dNliEVKvFAQBwkoHv8xCUPoheplSoQZ
TLSH
T192547C4127E4C92AEBBE17B5F9B112106779F10A9163E78E788C11F92F6330199533AF
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution xworm persistence ransomware rat trojan

Malware Config

Signatures

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

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2652-58-0x000000001E160000-0x000000001E180000-memory.dmp	family_xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1940	powershell.exe
5448	powershell.exe

Executes dropped EXE 4 IoCs

pid	Process
2900	winlogon.exe
2652	winlogon.exe
468	winlogon.exe
6472	winlogon.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	ip-api.com

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1940	powershell.exe
1940	powershell.exe
1940	powershell.exe
5448	powershell.exe
5448	powershell.exe
5448	powershell.exe

Suspicious use of AdjustPrivilegeToken 52 IoCs

description	pid	Process
Token: SeDebugPrivilege	5808	injection.exe
Token: SeBackupPrivilege	6096	vssvc.exe
Token: SeRestorePrivilege	6096	vssvc.exe
Token: SeAuditPrivilege	6096	vssvc.exe
Token: SeDebugPrivilege	1940	powershell.exe
Token: SeIncreaseQuotaPrivilege	1940	powershell.exe
Token: SeSecurityPrivilege	1940	powershell.exe
Token: SeTakeOwnershipPrivilege	1940	powershell.exe
Token: SeLoadDriverPrivilege	1940	powershell.exe
Token: SeSystemProfilePrivilege	1940	powershell.exe
Token: SeSystemtimePrivilege	1940	powershell.exe
Token: SeProfSingleProcessPrivilege	1940	powershell.exe
Token: SeIncBasePriorityPrivilege	1940	powershell.exe
Token: SeCreatePagefilePrivilege	1940	powershell.exe
Token: SeBackupPrivilege	1940	powershell.exe
Token: SeRestorePrivilege	1940	powershell.exe
Token: SeShutdownPrivilege	1940	powershell.exe
Token: SeDebugPrivilege	1940	powershell.exe
Token: SeSystemEnvironmentPrivilege	1940	powershell.exe
Token: SeRemoteShutdownPrivilege	1940	powershell.exe
Token: SeUndockPrivilege	1940	powershell.exe
Token: SeManageVolumePrivilege	1940	powershell.exe
Token: 33	1940	powershell.exe
Token: 34	1940	powershell.exe
Token: 35	1940	powershell.exe
Token: 36	1940	powershell.exe
Token: SeDebugPrivilege	5448	powershell.exe
Token: SeIncreaseQuotaPrivilege	5448	powershell.exe
Token: SeSecurityPrivilege	5448	powershell.exe
Token: SeTakeOwnershipPrivilege	5448	powershell.exe
Token: SeLoadDriverPrivilege	5448	powershell.exe
Token: SeSystemProfilePrivilege	5448	powershell.exe
Token: SeSystemtimePrivilege	5448	powershell.exe
Token: SeProfSingleProcessPrivilege	5448	powershell.exe
Token: SeIncBasePriorityPrivilege	5448	powershell.exe
Token: SeCreatePagefilePrivilege	5448	powershell.exe
Token: SeBackupPrivilege	5448	powershell.exe
Token: SeRestorePrivilege	5448	powershell.exe
Token: SeShutdownPrivilege	5448	powershell.exe
Token: SeDebugPrivilege	5448	powershell.exe
Token: SeSystemEnvironmentPrivilege	5448	powershell.exe
Token: SeRemoteShutdownPrivilege	5448	powershell.exe
Token: SeUndockPrivilege	5448	powershell.exe
Token: SeManageVolumePrivilege	5448	powershell.exe
Token: 33	5448	powershell.exe
Token: 34	5448	powershell.exe
Token: 35	5448	powershell.exe
Token: 36	5448	powershell.exe
Token: SeDebugPrivilege	2900	winlogon.exe
Token: SeDebugPrivilege	2652	winlogon.exe
Token: SeDebugPrivilege	468	winlogon.exe
Token: SeDebugPrivilege	6472	winlogon.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5808 wrote to memory of 1940	5808	injection.exe	93
PID 5808 wrote to memory of 5448	5808	injection.exe	96

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
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\injection.exe
"C:\Users\Admin\AppData\Local\Temp\injection.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5808
- 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\winlogon.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1940
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'winlogon.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5448

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:6096

C:\Users\Admin\AppData\Roaming\winlogon.exe
C:\Users\Admin\AppData\Roaming\winlogon.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2900

C:\Users\Admin\AppData\Roaming\winlogon.exe
"C:\Users\Admin\AppData\Roaming\winlogon.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2652

C:\Users\Admin\AppData\Roaming\winlogon.exe
"C:\Users\Admin\AppData\Roaming\winlogon.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:468

C:\Users\Admin\AppData\Roaming\winlogon.exe
"C:\Users\Admin\AppData\Roaming\winlogon.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:6472

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 d28ef187840dcd1fe0a8a757ef9cd326023bec38b39ef1338f91d508d55dcf28
MD5 acbc65123954839a819fa2495d239bf7
SHA1 063cff64444a6e3b4be1445b4cecb477e4d6ae47
SHA512 af07d3f6dcf1779bcc864aabe9e08563b20b8df8238df7bb08a5fe3b4e40d10f2e2a4442a042fe5d7a320e3b8195799ecc885549faa8babb5909eb32271e7b91
TLSH
T170216833B3DD8615CC9A413A10CDAC1036B6C7DB40DECFAB7B84E655A43F699CE61160
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_1ujxcbvz.w4c.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1ujxcbvz.w4c.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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winlogon.exe

Path C:\Users\Admin\AppData\Roaming\winlogon.exe
Size 289KB
SHA256 041a079d4a95d872c3d4465201ec56c91b682f13060aa8a916e9f3491d76fe4c
MD5 f51d89b2d3ccce3e4983c3f7aabedb60
SHA1 a84eaa4da48821c504fbb5b913cf6ee986e9e005
SHA512 93a798642e4e98ed40e997f56c6fae80763d27220e95c7a1afcb203983384c7015529282433e99f43ef1120ec7930f5a204826fd168e0eff0c27db2f111579b2
SSDEEP 3072:hvGOZNB7iD5X7/eNnwz5h1FAQ07GV1wenCc3acEHBAnpK37nXZv87004Q7EUPsxT:dNliEVKvFAQBwkoHv8xCUPoheplSoQZ
TLSH
T192547C4127E4C92AEBBE17B5F9B112106779F10A9163E78E788C11F92F6330199533AF
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1940-19-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/1940-33-0x000001DBBD4D0000-0x000001DBBD4DA000-memory.dmp

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memory/1940-35-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/1940-6-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/1940-7-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/1940-8-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/1940-9-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/1940-32-0x000001DBBD5D0000-0x000001DBBD682000-memory.dmp

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memory/1940-15-0x000001DBBD240000-0x000001DBBD262000-memory.dmp

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memory/1940-17-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/1940-18-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/1940-31-0x000001DBBD5B0000-0x000001DBBD5CE000-memory.dmp

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memory/1940-20-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/1940-21-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/1940-22-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/1940-23-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/1940-29-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/2652-58-0x000000001E160000-0x000000001E180000-memory.dmp

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memory/5448-49-0x000001C1D3DF0000-0x000001C1D3EA2000-memory.dmp

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memory/5808-1-0x0000000000350000-0x000000000039E000-memory.dmp

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memory/5808-3-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/5808-4-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/5808-5-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/5808-2-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/5808-0-0x00007FFEE4B4F000-0x00007FFEE4B50000-memory.dmp

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memory/5808-55-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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memory/5808-56-0x00007FFEE49C0000-0x00007FFEE5364000-memory.dmp

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