xworm | a5f613f5f0f3cd8a5d88779067cb1d1e8f9fb28d7e3b2a78b44f2ad0f96f5e86

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
26/04/2026, 12:19

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General

Target
wegivenbestthinkgsformebest.hta
Size 607KB
Sample260426-phackscx9m
SHA256 a5f613f5f0f3cd8a5d88779067cb1d1e8f9fb28d7e3b2a78b44f2ad0f96f5e86
MD5 5bfc0f8b172c57bb87ec059a1d585a38
SHA1 9fb462fddd38064d525a2fc23a395bd20dcada6b
SHA512 142f180309f1d9e880bdf4cc0a9ef68ba23d37e0e3df7ece5b9d0591ed72c59e55e3258a67d98bc93681ccd779efd61211d881c69d1eef02a560ec22730cc492
SSDEEP 768:kPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPeS4sPPPPPPP8:F9
TLSH
T170D4A24CA91E1A7C09FBAC7BDDB46C4B2682D0C789573079F5179ACB85299CDBDC2302
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

45.141.148.126:1122

Mutex

nu9dEg9kHbubEzR1

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/888-10-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1508	840	powershell.exe	80

Badlisted process makes network request 2 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
1	1508	powershell.exe
2	1508	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1508	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1508 set thread context of 888	1508	powershell.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1508	powershell.exe
1508	powershell.exe
888	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1508	powershell.exe
Token: SeDebugPrivilege	888	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
888	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 888	1508	powershell.exe	83
PID 1508 wrote to memory of 888	1508	powershell.exe	83
PID 1508 wrote to memory of 888	1508	powershell.exe	83
PID 1508 wrote to memory of 888	1508	powershell.exe	83
PID 1508 wrote to memory of 888	1508	powershell.exe	83

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\wegivenbestthinkgsformebest.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- System Location Discovery: System Language Discovery
PID:4944

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -Command "IEX $env:INTERNAL_DB_CACHE;[Environment]::SetEnvironmentVariable('INTERNAL_DB_CACHE',$null,'User')"
1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:888

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_g2dhgeta.1p5.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g2dhgeta.1p5.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/888-16-0x0000000005950000-0x00000000059EC000-memory.dmp

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memory/888-18-0x0000000006210000-0x00000000062A2000-memory.dmp

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memory/888-21-0x00000000068D0000-0x0000000006ED2000-memory.dmp

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memory/888-20-0x0000000006FE0000-0x0000000007046000-memory.dmp

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memory/888-10-0x0000000000400000-0x0000000000410000-memory.dmp

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memory/888-19-0x00000000061D0000-0x00000000061DA000-memory.dmp

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memory/888-17-0x0000000006320000-0x00000000068C6000-memory.dmp

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memory/1508-15-0x0000025D232F0000-0x0000025D23302000-memory.dmp

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memory/1508-0-0x0000025D0ABF0000-0x0000025D0AC00000-memory.dmp

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memory/1508-14-0x0000025D0ABE0000-0x0000025D0ABEC000-memory.dmp

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memory/1508-8-0x0000025D23350000-0x0000025D23372000-memory.dmp

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memory/1508-13-0x0000025D09180000-0x0000025D0921E000-memory.dmp

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memory/1508-9-0x0000025D23830000-0x0000025D2393C000-memory.dmp

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memory/1508-1-0x0000025D0ABF0000-0x0000025D0AC00000-memory.dmp

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