xworm | 6d5ff2230c713e9372d23989c3ea247d814ffc6f19380be86f7bccf3c0b6ff91

Analysis

max time kernel
30s
max time network
34s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 02:39

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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/5024-24-0x0000000000A40000-0x0000000000A5C000-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

2128 powershell.exe
3596 powershell.exe
2988 powershell.exe
4184 powershell.exe

resource	yara_rule
C:\Users\Admin\AppData\Roaming\DriverUpdt.exe	family_xworm
behavioral2/memory/5024-24-0x0000000000A40000-0x0000000000A5C000-memory.dmp	family_xworm

pid	process
2128	powershell.exe
3596	powershell.exe
2988	powershell.exe
4184	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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	WaveWindowsCracked.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	DriverUpdt.exe

Drops startup file 2 IoCs

Processes:

DriverUpdt.exe

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

Executes dropped EXE 2 IoCs

Processes:

WaveWindows.exeDriverUpdt.exe

pid process

1428 WaveWindows.exe
5024 DriverUpdt.exe

pid	process
1428	WaveWindows.exe
5024	DriverUpdt.exe

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-1-5-21-3808065738-1666277613-1125846146-1000\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

8 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

920 1428 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

1376 schtasks.exe
Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exeWaveWindows.exeDriverUpdt.exe

pid process

2128 powershell.exe
2128 powershell.exe
3596 powershell.exe
3596 powershell.exe
2988 powershell.exe
2988 powershell.exe
4184 powershell.exe
4184 powershell.exe
1428 WaveWindows.exe
5024 DriverUpdt.exe

flow	ioc
8	ip-api.com

pid	pid_target	process	target process
920	1428	WerFault.exe	WaveWindows.exe

pid	process
1376	schtasks.exe

pid	process
2128	powershell.exe
2128	powershell.exe
3596	powershell.exe
3596	powershell.exe
2988	powershell.exe
2988	powershell.exe
4184	powershell.exe
4184	powershell.exe
1428	WaveWindows.exe
5024	DriverUpdt.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

DriverUpdt.exepowershell.exepowershell.exepowershell.exepowershell.exeWaveWindows.exe

description	pid	process
Token: SeDebugPrivilege	5024	DriverUpdt.exe
Token: SeDebugPrivilege	2128	powershell.exe
Token: SeDebugPrivilege	3596	powershell.exe
Token: SeDebugPrivilege	2988	powershell.exe
Token: SeDebugPrivilege	4184	powershell.exe
Token: SeDebugPrivilege	1428	WaveWindows.exe
Token: SeDebugPrivilege	5024	DriverUpdt.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

DriverUpdt.exe

pid process

5024 DriverUpdt.exe

pid	process
5024	DriverUpdt.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

WaveWindowsCracked.exeDriverUpdt.exe

description	pid	process	target process
PID 2456 wrote to memory of 1428	2456	WaveWindowsCracked.exe	WaveWindows.exe
PID 2456 wrote to memory of 1428	2456	WaveWindowsCracked.exe	WaveWindows.exe
PID 2456 wrote to memory of 1428	2456	WaveWindowsCracked.exe	WaveWindows.exe
PID 2456 wrote to memory of 5024	2456	WaveWindowsCracked.exe	DriverUpdt.exe
PID 2456 wrote to memory of 5024	2456	WaveWindowsCracked.exe	DriverUpdt.exe
PID 5024 wrote to memory of 2128	5024	DriverUpdt.exe	powershell.exe
PID 5024 wrote to memory of 2128	5024	DriverUpdt.exe	powershell.exe
PID 5024 wrote to memory of 3596	5024	DriverUpdt.exe	powershell.exe
PID 5024 wrote to memory of 3596	5024	DriverUpdt.exe	powershell.exe
PID 5024 wrote to memory of 2988	5024	DriverUpdt.exe	powershell.exe
PID 5024 wrote to memory of 2988	5024	DriverUpdt.exe	powershell.exe
PID 5024 wrote to memory of 4184	5024	DriverUpdt.exe	powershell.exe
PID 5024 wrote to memory of 4184	5024	DriverUpdt.exe	powershell.exe
PID 5024 wrote to memory of 1376	5024	DriverUpdt.exe	schtasks.exe
PID 5024 wrote to memory of 1376	5024	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:2456

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:1428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 1076
3⤵
- Program crash
PID:920

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:5024

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:2128

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:3596

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:2988

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:4184

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:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1428 -ip 1428
1⤵
PID:4364

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

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
eb033be02578f9635ec47bdc1de5c3fb

SHA1
ec356bc87381354a06baa9c30e8c3ac3d30e0f6f

SHA256
bd827af3192bf83c75a32e51ed2de83bd3b90d6b99350721a189a57cec15d063

SHA512
4d8778503646f7016df73ff9d204760f4fe4d2b24157920ac3e5651653373975b2f2d229530143059f11b16c42822ad7963e628ad6066022ee712c17d90595ed

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

MD5
d3e8199b4634731cf0a0c26c1f14f588

SHA1
7f8fae27eb80055a436a6b5457978f32673d9ad4

SHA256
ef33f487f93c2977e92fb08d6bdcc9d48b5d1864c402f9d3fbf3e1b30e8b3b9a

SHA512
806a123100dbc1ca1b27bbad5b93c3a9a840dc795127af8523333a71259a8c5ef8aefccb83ef390f2644e013f138c4b7b63c584acccb197aada0c70c038032e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hzimqarv.l1i.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/1428-76-0x0000000005280000-0x00000000052CA000-memory.dmp

Filesize
296KB

Download
memory/1428-28-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/1428-29-0x0000000000060000-0x00000000007EC000-memory.dmp

Filesize
7.5MB

Download
memory/1428-77-0x00000000053F0000-0x0000000005414000-memory.dmp

Filesize
144KB

Download
memory/1428-78-0x00000000058E0000-0x00000000059C6000-memory.dmp

Filesize
920KB

Download
memory/1428-80-0x00000000057F0000-0x0000000005866000-memory.dmp

Filesize
472KB

Download
memory/2128-39-0x000001AD50840000-0x000001AD50862000-memory.dmp

Filesize
136KB

Download
memory/2456-0-0x00007FFA36593000-0x00007FFA36595000-memory.dmp

Filesize
8KB

Download
memory/2456-1-0x0000000000390000-0x0000000000B36000-memory.dmp

Filesize
7.6MB

Download
memory/5024-27-0x00007FFA36590000-0x00007FFA37051000-memory.dmp

Filesize
10.8MB

Download
memory/5024-25-0x00007FFA36590000-0x00007FFA37051000-memory.dmp

Filesize
10.8MB

Download
memory/5024-24-0x0000000000A40000-0x0000000000A5C000-memory.dmp

Filesize
112KB

Download
memory/5024-83-0x00007FFA36590000-0x00007FFA37051000-memory.dmp

Filesize
10.8MB

Download