xworm | 91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/07/2026, 11:32

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General

Target
91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe
Size 759KB
Sample260702-nnentaft4m
SHA256 91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960
MD5 e0d7fd34800282da526e36cca06c423e
SHA1 9ae6d7f477e8931c90223d2ec46a2024d56b0bc9
SHA512 5f87cf784bbb2ece469044acf1abd822cfbb6fb1a0e89ca2fcb4fa7b24f9e4a02905c84adb7891c3c48d4bf771bde91cbf954b7e74ad42b7f8851075f753f824
SSDEEP 12288:QgfAJRkVj8GirD1x1dt1J0SfY57AZIIJcyN0/GWMBb0ZCs1Dmiz7nao/Xi3ZtZgN:QwAEFT0DTZ1JXfy7AZgyN0/1q4VMs7nx
TLSH
T1D1F40168260ED907C4960FF41D71E6F826684EC8DC25D203DBE7BEAFF87E6456940386
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

104.168.7.219:8823
frBvNnnFYR6XR622pBE0NQ==:23

Mutex

yy44YYqisu2DFrXX

Attributes

install_file
USB.exe

aes.plain

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/3604-13-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

execution

PowerShell

T1059.001

pid	Process
6692	powershell.exe
928	powershell.exe
5852	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
5024	zPmbHEhGpppFYK.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-1-5-21-2900715619-172032027-1873877232-1000\Software\Microsoft\Windows\CurrentVersion\Run\zPmbHEhGpppFYK = "\"C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\powershell.exe\" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File \"C:\\Users\\Admin\\AppData\\Local\\Temp\\23ytvuoytvb.ps1\""	91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 716 set thread context of 3604	716	91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe	91
PID 5024 set thread context of 4276	5024	zPmbHEhGpppFYK.exe	99

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zPmbHEhGpppFYK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
716	91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe
716	91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe
6692	powershell.exe
6692	powershell.exe
5852	powershell.exe
5852	powershell.exe
5024	zPmbHEhGpppFYK.exe
5024	zPmbHEhGpppFYK.exe
5024	zPmbHEhGpppFYK.exe
5024	zPmbHEhGpppFYK.exe
928	powershell.exe
928	powershell.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	716	91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe
Token: SeDebugPrivilege	6692	powershell.exe
Token: SeDebugPrivilege	5852	powershell.exe
Token: SeIncreaseQuotaPrivilege	6692	powershell.exe
Token: SeSecurityPrivilege	6692	powershell.exe
Token: SeTakeOwnershipPrivilege	6692	powershell.exe
Token: SeLoadDriverPrivilege	6692	powershell.exe
Token: SeSystemProfilePrivilege	6692	powershell.exe
Token: SeSystemtimePrivilege	6692	powershell.exe
Token: SeProfSingleProcessPrivilege	6692	powershell.exe
Token: SeIncBasePriorityPrivilege	6692	powershell.exe
Token: SeCreatePagefilePrivilege	6692	powershell.exe
Token: SeBackupPrivilege	6692	powershell.exe
Token: SeRestorePrivilege	6692	powershell.exe
Token: SeShutdownPrivilege	6692	powershell.exe
Token: SeDebugPrivilege	6692	powershell.exe
Token: SeSystemEnvironmentPrivilege	6692	powershell.exe
Token: SeRemoteShutdownPrivilege	6692	powershell.exe
Token: SeUndockPrivilege	6692	powershell.exe
Token: SeManageVolumePrivilege	6692	powershell.exe
Token: 33	6692	powershell.exe
Token: 34	6692	powershell.exe
Token: 35	6692	powershell.exe
Token: 36	6692	powershell.exe
Token: SeDebugPrivilege	3604	RegSvcs.exe
Token: SeDebugPrivilege	5024	zPmbHEhGpppFYK.exe
Token: SeDebugPrivilege	928	powershell.exe
Token: SeIncreaseQuotaPrivilege	928	powershell.exe
Token: SeSecurityPrivilege	928	powershell.exe
Token: SeTakeOwnershipPrivilege	928	powershell.exe
Token: SeLoadDriverPrivilege	928	powershell.exe
Token: SeSystemProfilePrivilege	928	powershell.exe
Token: SeSystemtimePrivilege	928	powershell.exe
Token: SeProfSingleProcessPrivilege	928	powershell.exe
Token: SeIncBasePriorityPrivilege	928	powershell.exe
Token: SeCreatePagefilePrivilege	928	powershell.exe
Token: SeBackupPrivilege	928	powershell.exe
Token: SeRestorePrivilege	928	powershell.exe
Token: SeShutdownPrivilege	928	powershell.exe
Token: SeDebugPrivilege	928	powershell.exe
Token: SeSystemEnvironmentPrivilege	928	powershell.exe
Token: SeRemoteShutdownPrivilege	928	powershell.exe
Token: SeUndockPrivilege	928	powershell.exe
Token: SeManageVolumePrivilege	928	powershell.exe
Token: 33	928	powershell.exe
Token: 34	928	powershell.exe
Token: 35	928	powershell.exe
Token: 36	928	powershell.exe
Token: SeDebugPrivilege	4276	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 716 wrote to memory of 6692	716	91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe	89
PID 716 wrote to memory of 3604	716	91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe	91
PID 716 wrote to memory of 3604	716	91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe	91
PID 716 wrote to memory of 3604	716	91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe	91
PID 716 wrote to memory of 3604	716	91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe	91
PID 716 wrote to memory of 3604	716	91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe	91
PID 5852 wrote to memory of 5024	5852	powershell.exe	94
PID 5024 wrote to memory of 928	5024	zPmbHEhGpppFYK.exe	96
PID 5024 wrote to memory of 3096	5024	zPmbHEhGpppFYK.exe	98
PID 5024 wrote to memory of 4276	5024	zPmbHEhGpppFYK.exe	99
PID 5024 wrote to memory of 4276	5024	zPmbHEhGpppFYK.exe	99
PID 5024 wrote to memory of 4276	5024	zPmbHEhGpppFYK.exe	99
PID 5024 wrote to memory of 4276	5024	zPmbHEhGpppFYK.exe	99
PID 5024 wrote to memory of 4276	5024	zPmbHEhGpppFYK.exe	99

C:\Users\Admin\AppData\Local\Temp\91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe
"C:\Users\Admin\AppData\Local\Temp\91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:716
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:6692
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3604

C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\23ytvuoytvb.ps1"
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5852
- C:\Users\Admin\AppData\Roaming\zPmbHEhGpppFYK.exe
  "C:\Users\Admin\AppData\Roaming\zPmbHEhGpppFYK.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5024
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zPmbHEhGpppFYK.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:928
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:3096
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:4276

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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 21KB
SHA256 87b3079f31b12f87ed1fa9bbbccaba248c47023e3df24f990a06589561986f70
MD5 a2e3f407a1e05946fb95112dfc9fa611
SHA1 b41fac5f0820fae5a2c1360ac1b76215860b7099
SHA512 54a4b804262d5d6d95baa9d12e534b5828cc06cc091ab02f90fc54885d374de3181add87f688f051d2cdd508993d5cf9139248a9dbf7c9b3a358ab5a1c5acf2b
SSDEEP 384:v1eBaoT1iBGmGW14bPkx6u+OU0zCOT2P05IAXr4B+dWoV4FzKwMvYbhNaPElRtru:texZ6GlWiox6u+HkC2IAXrq+tIjbhNaB
TLSH
T1E5A2B478213F6DC7D8D216B410D10AF7FBE4E489DAB611D4AF1BDE2F4C90EB64AA0524
MD5 SHA1 SHA512 SSDEEP TLSH

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23ytvuoytvb.ps1

Path C:\Users\Admin\AppData\Local\Temp\23ytvuoytvb.ps1
Size 1KB
SHA256 340daca697ca2e86665e0d11d8789a9e10f5e034ffb644842f3e6bfc6f0ef2d3
MD5 22c3a3b609e1d2ab6040ec972b3feefd
SHA1 19771930808d4ab2120b636fb8fef267f6da9752
SHA512 3b61bdba4e2e6d6e46972f2213a521353633557bc716ab1c6d45d04dca1f4ebdb71d277e95b943808cc78de999312b1ec02cdb777f932e2d02c88adadc27a3be
TLSH
T19D21E3478E8A53C6402807F14A1335CDB45D60CB6B6F059095ECB4EEB32BD23746ACE8
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_5txhnzgd.jbd.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5txhnzgd.jbd.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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zPmbHEhGpppFYK.exe

Path C:\Users\Admin\AppData\Roaming\zPmbHEhGpppFYK.exe
Size 759KB
SHA256 91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960
MD5 e0d7fd34800282da526e36cca06c423e
SHA1 9ae6d7f477e8931c90223d2ec46a2024d56b0bc9
SHA512 5f87cf784bbb2ece469044acf1abd822cfbb6fb1a0e89ca2fcb4fa7b24f9e4a02905c84adb7891c3c48d4bf771bde91cbf954b7e74ad42b7f8851075f753f824
SSDEEP 12288:QgfAJRkVj8GirD1x1dt1J0SfY57AZIIJcyN0/GWMBb0ZCs1Dmiz7nao/Xi3ZtZgN:QwAEFT0DTZ1JXfy7AZgyN0/1q4VMs7nx
TLSH
T1D1F40168260ED907C4960FF41D71E6F826684EC8DC25D203DBE7BEAFF87E6456940386
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/716-4-0x0000000005430000-0x000000000543A000-memory.dmp

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memory/716-5-0x00000000055E0000-0x000000000567C000-memory.dmp

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memory/716-6-0x0000000074CB0000-0x000000007546C000-memory.dmp

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memory/716-7-0x00000000057F0000-0x000000000580E000-memory.dmp

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memory/716-8-0x0000000074CC2000-0x0000000074CC3000-memory.dmp

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memory/716-9-0x0000000074CB0000-0x000000007546C000-memory.dmp

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memory/716-10-0x0000000006AC0000-0x0000000006B62000-memory.dmp

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memory/716-0-0x0000000074CC2000-0x0000000074CC3000-memory.dmp

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memory/716-3-0x00000000054A0000-0x0000000005532000-memory.dmp

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memory/716-2-0x00000000059C0000-0x0000000005F7A000-memory.dmp

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memory/716-1-0x0000000000850000-0x0000000000914000-memory.dmp

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memory/716-29-0x0000000074CB0000-0x000000007546C000-memory.dmp

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memory/928-62-0x0000000006120000-0x000000000647B000-memory.dmp

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memory/928-70-0x0000000006740000-0x000000000678C000-memory.dmp

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memory/928-71-0x0000000070EB0000-0x0000000070EFC000-memory.dmp

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memory/928-78-0x00000000078E0000-0x0000000007983000-memory.dmp

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memory/3604-18-0x0000000074CB0000-0x000000007546C000-memory.dmp

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memory/3604-60-0x0000000074CB0000-0x000000007546C000-memory.dmp

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memory/3604-59-0x0000000074CB0000-0x000000007546C000-memory.dmp

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memory/3604-13-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3604-79-0x0000000074CB0000-0x000000007546C000-memory.dmp

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memory/5852-37-0x000001C02F310000-0x000001C02F332000-memory.dmp

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memory/6692-12-0x0000000002A80000-0x0000000002AB6000-memory.dmp

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memory/6692-31-0x0000000006360000-0x00000000063AC000-memory.dmp

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memory/6692-30-0x0000000006290000-0x00000000062AE000-memory.dmp

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memory/6692-42-0x00000000074A0000-0x00000000074D6000-memory.dmp

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memory/6692-43-0x0000000075570000-0x00000000755BC000-memory.dmp

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memory/6692-50-0x00000000068D0000-0x00000000068F0000-memory.dmp

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memory/6692-51-0x00000000074F0000-0x0000000007593000-memory.dmp

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memory/6692-52-0x0000000007C70000-0x00000000082EC000-memory.dmp

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memory/6692-53-0x0000000007620000-0x000000000763A000-memory.dmp

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memory/6692-54-0x0000000007690000-0x000000000769A000-memory.dmp

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memory/6692-55-0x0000000007890000-0x0000000007926000-memory.dmp

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memory/6692-28-0x0000000005DF0000-0x000000000614B000-memory.dmp

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memory/6692-58-0x0000000074CB0000-0x000000007546C000-memory.dmp

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memory/6692-19-0x00000000053E0000-0x0000000005402000-memory.dmp

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memory/6692-20-0x0000000005CA0000-0x0000000005D06000-memory.dmp

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memory/6692-21-0x0000000005D80000-0x0000000005DE6000-memory.dmp

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memory/6692-17-0x0000000074CB0000-0x000000007546C000-memory.dmp

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memory/6692-16-0x0000000074CB0000-0x000000007546C000-memory.dmp

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memory/6692-15-0x00000000055E0000-0x0000000005C2A000-memory.dmp

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memory/6692-14-0x0000000074CB0000-0x000000007546C000-memory.dmp

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