xworm | 9c0eb19d1579fbc93030d42465b90e092889b930733ffda60b5acb137a346dac

Analysis

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

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
03/07/2026, 07:51

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General

Target
RFQ 67646.js
Size 1.6MB
Sample260703-jp628sdv21
SHA256 9c0eb19d1579fbc93030d42465b90e092889b930733ffda60b5acb137a346dac
MD5 bee96dd6dd3f1b7452507dee0b0f6923
SHA1 071ec523c70a4654e66dbb257be1ac4071b330e7
SHA512 da3f18f7144736d3730a4685bc8aeae425d52778e3c819cfa08a524d665e64f1d1c466dcc6cac4ee8e3e1b453bfad2cde81e986738261b60c9cc04ac4eb0dd21
SSDEEP 12288:Ge8IEdPRUwn+VpabD+WeKlZUQHstoMMAsfo:gPRbCu+AAko
TLSH
T1D9752335443DB2003427EE76C3AD64DADBCD5AE9BFAF51494036174A9227D8BCCC226B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

198.37.105.48:2233

Mutex

9MfYPXAECU0XFFxR

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
behavioral1/memory/3588-14-0x0000028E38EA0000-0x0000028E38EB0000-memory.dmp	family_xworm

Badlisted process makes network request 2 IoCs

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

flow	pid	Process
15	3588	powershell.exe
21	3588	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3588	powershell.exe
2028	powershell.exe
2376	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-1-5-21-2370214745-1838013427-2987045292-1000\Control Panel\International\Geo\Nation	wscript.exe

Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs

persistence

Logon Script (Windows)

T1037.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000\Environment\UserInitMprLogonScript = "wscript.exe \"C:\\Users\\Admin\\AppData\\Local\\v2126\\v9495.js\""	powershell.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3588	powershell.exe
3588	powershell.exe
2028	powershell.exe
2028	powershell.exe
2376	powershell.exe
2376	powershell.exe
3588	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3588	powershell.exe
Token: SeDebugPrivilege	2028	powershell.exe
Token: SeDebugPrivilege	2376	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3588	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4140 wrote to memory of 4832	4140	wscript.exe	86
PID 4832 wrote to memory of 3588	4832	conhost.exe	87
PID 3588 wrote to memory of 2028	3588	powershell.exe	92
PID 3588 wrote to memory of 2376	3588	powershell.exe	94

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\RFQ 67646.js"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4140
- C:\Windows\System32\conhost.exe
  "C:\Windows\System32\conhost.exe" --headless powershell.exe -w H -noP -NONi -Command ". ([scriptblock]::Create($env:QjoBeUt5UD3))"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4832
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -w H -noP -NONi -Command ". ([scriptblock]::Create($env:QjoBeUt5UD3))"
    3⤵
    - Badlisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Registers new Windows logon scripts automatically executed at logon.
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3588
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2028
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'powershell.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2376

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Boot or Logon Initialization Scripts

T1037

Logon Script (Windows)

T1037.001

Privilege Escalation

Boot or Logon Initialization Scripts

T1037

Logon Script (Windows)

T1037.001

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

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 b48c8460658cb50432fe4f9a29265a996e0455cb5c91a07c15e703eceab90687
MD5 897d1acc2994f1a9c838704edf3f2a34
SHA1 05741450c8787ea21638483e8679140431a952e4
SHA512 a684f9276f0fa8d87e3ac321077822b8ccf7524cdf31b9c903e9487a97f9d4cc57c545fe49a1374760bd2aabaf3317d995cf458a29813c46cb3e40a89cc4f154
TLSH
T184112223F38C8920CC96563A509DAC5172B586DB81AEDF9F7FC0C210A5BF984CB61294
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_fg0htd3u.msh.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fg0htd3u.msh.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/3588-1-0x0000028E1E410000-0x0000028E1E420000-memory.dmp

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memory/3588-0-0x0000028E1E410000-0x0000028E1E420000-memory.dmp

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memory/3588-7-0x0000028E1E3D0000-0x0000028E1E3F2000-memory.dmp

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memory/3588-10-0x0000028E38CE0000-0x0000028E38D3E000-memory.dmp

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memory/3588-11-0x0000028E1DBF0000-0x0000028E1DC02000-memory.dmp

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memory/3588-14-0x0000028E38EA0000-0x0000028E38EB0000-memory.dmp

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memory/3588-34-0x0000028E1E410000-0x0000028E1E420000-memory.dmp

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memory/3588-35-0x0000028E1E410000-0x0000028E1E420000-memory.dmp

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