xworm | 6d5ff2230c713e9372d23989c3ea247d814ffc6f19380be86f7bccf3c0b6ff91

Analysis

max time kernel
140s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 04:33

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General

Target

WaveWindowsCracked.exe
Size

7.6MB
MD5

1aec1baab610e71d2dd83ddb08d9c49a
SHA1

47789c92be6ce830faa926acb1969086d410e4d4
SHA256

e2bfe1a9a590aab1f7572309b45c0cf88558f9c3463acb550d30e24f47132d1c
SHA512

2435a57bd91dae06c62ca1d209091f3ce4f3de9012eb80b901e89a62e60b28d45e5c94d018c5af5a831b3ff8d28e4bfc6e0c487125be14926a62b970e459690a
SSDEEP

196608:IUhZUvqevevx2QtiFX2PTiiXIeMeZ4SZCqL1:BhOvaZ+X2PG6Iep6SZCy

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

stewiegriffin-37537.portmap.host:37537

Attributes

Install_directory
%AppData%
install_file
USB.exe

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource yara_rule

C:\Users\Admin\AppData\Roaming\DriverUpdt.exe family_xworm
behavioral2/memory/3836-25-0x0000000000EE0000-0x0000000000EFC000-memory.dmp family_xworm
Xworm
Xworm is a remote access trojan written in C#.
trojan rat 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

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

4312 powershell.exe
2052 powershell.exe
2408 powershell.exe
4652 powershell.exe

resource	yara_rule
C:\Users\Admin\AppData\Roaming\DriverUpdt.exe	family_xworm
behavioral2/memory/3836-25-0x0000000000EE0000-0x0000000000EFC000-memory.dmp	family_xworm

pid	process
4312	powershell.exe
2052	powershell.exe
2408	powershell.exe
4652	powershell.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

Processes:

WaveWindowsCracked.exeDriverUpdt.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	WaveWindowsCracked.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	DriverUpdt.exe

Drops startup file 2 IoCs

Processes:

DriverUpdt.exe

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

Executes dropped EXE 4 IoCs

Processes:

WaveWindows.exeDriverUpdt.exeDriverUpdtDriverUpdt

pid process

1668 WaveWindows.exe
3836 DriverUpdt.exe
4172 DriverUpdt
1368 DriverUpdt

pid	process
1668	WaveWindows.exe
3836	DriverUpdt.exe
4172	DriverUpdt
1368	DriverUpdt

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

DriverUpdt.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DriverUpdt = "C:\\Users\\Admin\\AppData\\Roaming\\DriverUpdt"	DriverUpdt.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

14 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5004 1668 WerFault.exe WaveWindows.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

Processes:

schtasks.exe

pid process

2924 schtasks.exe
Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

WaveWindows.exepowershell.exepowershell.exepowershell.exepowershell.exeDriverUpdt.exe

pid process

1668 WaveWindows.exe
2052 powershell.exe
2052 powershell.exe
2408 powershell.exe
2408 powershell.exe
4652 powershell.exe
4652 powershell.exe
4312 powershell.exe
4312 powershell.exe
3836 DriverUpdt.exe

flow	ioc
14	ip-api.com

pid	pid_target	process	target process
5004	1668	WerFault.exe	WaveWindows.exe

pid	process
2924	schtasks.exe

pid	process
1668	WaveWindows.exe
2052	powershell.exe
2052	powershell.exe
2408	powershell.exe
2408	powershell.exe
4652	powershell.exe
4652	powershell.exe
4312	powershell.exe
4312	powershell.exe
3836	DriverUpdt.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

DriverUpdt.exeWaveWindows.exepowershell.exepowershell.exepowershell.exepowershell.exeDriverUpdtDriverUpdt

description	pid	process
Token: SeDebugPrivilege	3836	DriverUpdt.exe
Token: SeDebugPrivilege	1668	WaveWindows.exe
Token: SeDebugPrivilege	2052	powershell.exe
Token: SeDebugPrivilege	2408	powershell.exe
Token: SeDebugPrivilege	4652	powershell.exe
Token: SeDebugPrivilege	4312	powershell.exe
Token: SeDebugPrivilege	3836	DriverUpdt.exe
Token: SeDebugPrivilege	4172	DriverUpdt
Token: SeDebugPrivilege	1368	DriverUpdt

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

DriverUpdt.exe

pid process

3836 DriverUpdt.exe

pid	process
3836	DriverUpdt.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

WaveWindowsCracked.exeDriverUpdt.exe

description	pid	process	target process
PID 2792 wrote to memory of 1668	2792	WaveWindowsCracked.exe	WaveWindows.exe
PID 2792 wrote to memory of 1668	2792	WaveWindowsCracked.exe	WaveWindows.exe
PID 2792 wrote to memory of 1668	2792	WaveWindowsCracked.exe	WaveWindows.exe
PID 2792 wrote to memory of 3836	2792	WaveWindowsCracked.exe	DriverUpdt.exe
PID 2792 wrote to memory of 3836	2792	WaveWindowsCracked.exe	DriverUpdt.exe
PID 3836 wrote to memory of 2052	3836	DriverUpdt.exe	powershell.exe
PID 3836 wrote to memory of 2052	3836	DriverUpdt.exe	powershell.exe
PID 3836 wrote to memory of 2408	3836	DriverUpdt.exe	powershell.exe
PID 3836 wrote to memory of 2408	3836	DriverUpdt.exe	powershell.exe
PID 3836 wrote to memory of 4652	3836	DriverUpdt.exe	powershell.exe
PID 3836 wrote to memory of 4652	3836	DriverUpdt.exe	powershell.exe
PID 3836 wrote to memory of 4312	3836	DriverUpdt.exe	powershell.exe
PID 3836 wrote to memory of 4312	3836	DriverUpdt.exe	powershell.exe
PID 3836 wrote to memory of 2924	3836	DriverUpdt.exe	schtasks.exe
PID 3836 wrote to memory of 2924	3836	DriverUpdt.exe	schtasks.exe

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\WaveWindowsCracked.exe
"C:\Users\Admin\AppData\Local\Temp\WaveWindowsCracked.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2792

C:\Users\Admin\AppData\Roaming\WaveWindows.exe
"C:\Users\Admin\AppData\Roaming\WaveWindows.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 1040
3⤵
- Program crash
PID:5004

C:\Users\Admin\AppData\Roaming\DriverUpdt.exe
"C:\Users\Admin\AppData\Roaming\DriverUpdt.exe"
2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3836

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\DriverUpdt.exe'
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2052

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'DriverUpdt.exe'
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2408

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\DriverUpdt'
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4652

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'DriverUpdt'
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4312

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "DriverUpdt" /tr "C:\Users\Admin\AppData\Roaming\DriverUpdt"
3⤵
- Scheduled Task/Job: Scheduled Task
PID:2924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1668 -ip 1668
1⤵
PID:2892

C:\Users\Admin\AppData\Roaming\DriverUpdt
C:\Users\Admin\AppData\Roaming\DriverUpdt
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4172

C:\Users\Admin\AppData\Roaming\DriverUpdt
C:\Users\Admin\AppData\Roaming\DriverUpdt
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1368

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\DriverUpdt.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
944B

MD5
62623d22bd9e037191765d5083ce16a3

SHA1
4a07da6872672f715a4780513d95ed8ddeefd259

SHA256
95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

SHA512
9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
3072fa0040b347c3941144486bf30c6f

SHA1
e6dc84a5bd882198583653592f17af1bf8cbfc68

SHA256
da8b533f81b342503c109e46b081b5c5296fdad5481f93fe5cc648e49ca6238e

SHA512
62df0eed621fe8ec340887a03d26b125429025c14ddcdfef82cb78ce1c9c6110c1d51ff0e423754d7966b6251363bf92833970eaf67707f8dd62e1549a79536c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
67e8893616f805af2411e2f4a1411b2a

SHA1
39bf1e1a0ddf46ce7c136972120f512d92827dcd

SHA256
ca0dfe104c1bf27f7e01999fcdabc16c6400c3da937c832c26bdbca322381d31

SHA512
164e911a9935e75c8be1a6ec3d31199a16ba2a1064da6c09d771b2a38dd7fddd142301ef55d67d90f306d3a454a1ce7b72e129ea42e44500b9b8c623a8d98b4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xr0ysjww.ybj.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\DriverUpdt.exe
Filesize
84KB

MD5
65485b0475b6c8a3b4f35bba541938a6

SHA1
28e6e6cd2ebf8a9fdffeb4aeba13b70ea7ea03a3

SHA256
c6740ee5c8afdc2c7be42fb03ab5a346925efc6ac785fe7d68dec2d5f05d276b

SHA512
034303ee48132b80da79e54a6077676cfd436ef869493a11a27c29dc7cb730fd2ce902320d554a0cde81fc0a06f6c56efa5c170a1360906ec9fa7fd101c3706d

Download Submit
C:\Users\Admin\AppData\Roaming\WaveWindows.exe
Filesize
7.5MB

MD5
cd34bf9c69f229818a4c9301e51435eb

SHA1
bfb95a5dc5d777e2b5940f354da271fed397adb2

SHA256
3b217daf815ced5cf1087d1f408fc3833c9d80a1e3e25b3f9041698b9e34216f

SHA512
2c68b211a4c8c144713cbe99214e8dc33d3ef6c1f244af4a313ff5ab93d946a4281d404b02c5f66ef5652071279649082877eaa728912a0e769c2c848e0a8e6b

Download Submit
memory/1668-28-0x0000000000F90000-0x000000000171C000-memory.dmp

Filesize
7.5MB

Download
memory/1668-29-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/1668-31-0x0000000005F70000-0x0000000005F94000-memory.dmp

Filesize
144KB

Download
memory/1668-32-0x00000000066F0000-0x00000000067D6000-memory.dmp

Filesize
920KB

Download
memory/1668-33-0x00000000065F0000-0x0000000006666000-memory.dmp

Filesize
472KB

Download
memory/1668-27-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

Filesize
4KB

Download
memory/1668-35-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/1668-30-0x0000000006200000-0x000000000624A000-memory.dmp

Filesize
296KB

Download
memory/2052-42-0x000001DD68150000-0x000001DD68172000-memory.dmp

Filesize
136KB

Download
memory/2792-0-0x00007FF894C93000-0x00007FF894C95000-memory.dmp

Filesize
8KB

Download
memory/2792-1-0x0000000000C80000-0x0000000001426000-memory.dmp

Filesize
7.6MB

Download
memory/3836-26-0x00007FF894C90000-0x00007FF895751000-memory.dmp

Filesize
10.8MB

Download
memory/3836-34-0x0000000002F90000-0x0000000002FA0000-memory.dmp

Filesize
64KB

Download
memory/3836-25-0x0000000000EE0000-0x0000000000EFC000-memory.dmp

Filesize
112KB

Download
memory/3836-85-0x00007FF894C90000-0x00007FF895751000-memory.dmp

Filesize
10.8MB

Download
memory/3836-86-0x0000000002F90000-0x0000000002FA0000-memory.dmp

Filesize
64KB

Download