xworm | ac457a57600ba7fd011d94e6574b935a9589dd60b63d6ee6b5db67342ce5710e

Analysis

max time kernel
1796s
max time network
1562s
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 09:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

XClient.exe
Size

40KB
MD5

a2abffd7525046355e99e8673c3701fe
SHA1

6e1aaff66b5aac7a1c3df969b36da6141a95a4f9
SHA256

ac457a57600ba7fd011d94e6574b935a9589dd60b63d6ee6b5db67342ce5710e
SHA512

96b3b3750d9abaa627780eccb74dd870bb84ad1fb928233844054b2d24306f6f937f0762619d0b0209a8744aabbe278c773539fb8791987606427d8bfa767d22
SSDEEP

768:olc+DXf6pUAbfsW09Uf929NiTnFPw9in6rOphHuUF8M:oW+upUADfnuNYFY9in6rOpxf8M

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

amount-acceptance.gl.at.ply.gg:7420

Mutex

k2N8rf6LqCqdtF6c

Attributes

Install_directory
%ProgramData%
install_file
svhost.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource yara_rule

behavioral1/memory/380-1-0x0000000000070000-0x0000000000080000-memory.dmp family_xworm
C:\ProgramData\svhost.exe 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

348 powershell.exe
3040 powershell.exe
3020 powershell.exe
2756 powershell.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

XClient.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation XClient.exe

resource	yara_rule
behavioral1/memory/380-1-0x0000000000070000-0x0000000000080000-memory.dmp	family_xworm
C:\ProgramData\svhost.exe	family_xworm

pid	process
348	powershell.exe
3040	powershell.exe
3020	powershell.exe
2756	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	XClient.exe

Drops startup file 2 IoCs

Processes:

XClient.exe

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

Executes dropped EXE 30 IoCs

Processes:

svhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exe

pid	process
4588	svhost.exe
3440	svhost.exe
2352	svhost.exe
4100	svhost.exe
4672	svhost.exe
4168	svhost.exe
2756	svhost.exe
2296	svhost.exe
600	svhost.exe
2292	svhost.exe
3404	svhost.exe
4564	svhost.exe
3412	svhost.exe
1140	svhost.exe
4480	svhost.exe
4716	svhost.exe
3572	svhost.exe
916	svhost.exe
5024	svhost.exe
4772	svhost.exe
888	svhost.exe
2132	svhost.exe
864	svhost.exe
1544	svhost.exe
64	svhost.exe
4720	svhost.exe
4764	svhost.exe
2652	svhost.exe
3340	svhost.exe
2824	svhost.exe

Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

XClient.exe

description ioc process

Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\ProgramData\\svhost.exe" XClient.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

Processes:

schtasks.exe

pid process

3528 schtasks.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

348 powershell.exe
348 powershell.exe
3040 powershell.exe
3040 powershell.exe
3020 powershell.exe
3020 powershell.exe
2756 powershell.exe
2756 powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\ProgramData\\svhost.exe"	XClient.exe

pid	process
3528	schtasks.exe

pid	process
348	powershell.exe
348	powershell.exe
3040	powershell.exe
3040	powershell.exe
3020	powershell.exe
3020	powershell.exe
2756	powershell.exe
2756	powershell.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

Processes:

XClient.exepowershell.exepowershell.exepowershell.exepowershell.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exesvhost.exe

description	pid	process
Token: SeDebugPrivilege	380	XClient.exe
Token: SeDebugPrivilege	348	powershell.exe
Token: SeDebugPrivilege	3040	powershell.exe
Token: SeDebugPrivilege	3020	powershell.exe
Token: SeDebugPrivilege	2756	powershell.exe
Token: SeDebugPrivilege	380	XClient.exe
Token: SeDebugPrivilege	4588	svhost.exe
Token: SeDebugPrivilege	3440	svhost.exe
Token: SeDebugPrivilege	2352	svhost.exe
Token: SeDebugPrivilege	4100	svhost.exe
Token: SeDebugPrivilege	4672	svhost.exe
Token: SeDebugPrivilege	4168	svhost.exe
Token: SeDebugPrivilege	2756	svhost.exe
Token: SeDebugPrivilege	2296	svhost.exe
Token: SeDebugPrivilege	600	svhost.exe
Token: SeDebugPrivilege	2292	svhost.exe
Token: SeDebugPrivilege	3404	svhost.exe
Token: SeDebugPrivilege	4564	svhost.exe
Token: SeDebugPrivilege	3412	svhost.exe
Token: SeDebugPrivilege	1140	svhost.exe
Token: SeDebugPrivilege	4480	svhost.exe
Token: SeDebugPrivilege	4716	svhost.exe
Token: SeDebugPrivilege	3572	svhost.exe
Token: SeDebugPrivilege	916	svhost.exe
Token: SeDebugPrivilege	5024	svhost.exe
Token: SeDebugPrivilege	4772	svhost.exe
Token: SeDebugPrivilege	888	svhost.exe
Token: SeDebugPrivilege	2132	svhost.exe
Token: SeDebugPrivilege	864	svhost.exe
Token: SeDebugPrivilege	1544	svhost.exe
Token: SeDebugPrivilege	64	svhost.exe
Token: SeDebugPrivilege	4720	svhost.exe
Token: SeDebugPrivilege	4764	svhost.exe
Token: SeDebugPrivilege	2652	svhost.exe
Token: SeDebugPrivilege	3340	svhost.exe
Token: SeDebugPrivilege	2824	svhost.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

XClient.exe

description	pid	process	target process
PID 380 wrote to memory of 348	380	XClient.exe	powershell.exe
PID 380 wrote to memory of 348	380	XClient.exe	powershell.exe
PID 380 wrote to memory of 3040	380	XClient.exe	powershell.exe
PID 380 wrote to memory of 3040	380	XClient.exe	powershell.exe
PID 380 wrote to memory of 3020	380	XClient.exe	powershell.exe
PID 380 wrote to memory of 3020	380	XClient.exe	powershell.exe
PID 380 wrote to memory of 2756	380	XClient.exe	powershell.exe
PID 380 wrote to memory of 2756	380	XClient.exe	powershell.exe
PID 380 wrote to memory of 3528	380	XClient.exe	schtasks.exe
PID 380 wrote to memory of 3528	380	XClient.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\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:380

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\Temp\XClient.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:348

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3040

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svhost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3020

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svhost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2756

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svhost" /tr "C:\ProgramData\svhost.exe"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:3528

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4588

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3440

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2352

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4100

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4672

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4168

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2756

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2296

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:600

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2292

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3404

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4564

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3412

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1140

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4480

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4716

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3572

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:916

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5024

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4772

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:888

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2132

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:864

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1544

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:64

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4720

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4764

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2652

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3340

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2824

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\svhost.exe
Filesize
40KB

MD5
a2abffd7525046355e99e8673c3701fe

SHA1
6e1aaff66b5aac7a1c3df969b36da6141a95a4f9

SHA256
ac457a57600ba7fd011d94e6574b935a9589dd60b63d6ee6b5db67342ce5710e

SHA512
96b3b3750d9abaa627780eccb74dd870bb84ad1fb928233844054b2d24306f6f937f0762619d0b0209a8744aabbe278c773539fb8791987606427d8bfa767d22

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\CLR_v4.0\UsageLogs\svhost.exe.log
Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

MD5
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

MD5
34f595487e6bfd1d11c7de88ee50356a

SHA1
4caad088c15766cc0fa1f42009260e9a02f953bb

SHA256
0f9a4b52e01cb051052228a55d0515911b7ef5a8db3cf925528c746df511424d

SHA512
10976c5deaf9fac449e703e852c3b08d099f430de2d7c7b8e2525c35d63e28b890e5aab63feff9b20bca0aaf9f35a3ba411aee3fbeee9ea59f90ed25bd617a0b

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

MD5
ba169f4dcbbf147fe78ef0061a95e83b

SHA1
92a571a6eef49fff666e0f62a3545bcd1cdcda67

SHA256
5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1

SHA512
8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_saneonuo.zxn.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/348-12-0x00007FF8E95B0000-0x00007FF8EA071000-memory.dmp

Filesize
10.8MB

Download
memory/348-17-0x00007FF8E95B0000-0x00007FF8EA071000-memory.dmp

Filesize
10.8MB

Download
memory/348-14-0x00007FF8E95B0000-0x00007FF8EA071000-memory.dmp

Filesize
10.8MB

Download
memory/348-13-0x00007FF8E95B0000-0x00007FF8EA071000-memory.dmp

Filesize
10.8MB

Download
memory/348-2-0x0000021DE1E40000-0x0000021DE1E62000-memory.dmp

Filesize
136KB

Download
memory/380-0-0x00007FF8E95B3000-0x00007FF8E95B5000-memory.dmp

Filesize
8KB

Download
memory/380-56-0x00007FF8E95B0000-0x00007FF8EA071000-memory.dmp

Filesize
10.8MB

Download
memory/380-60-0x00007FF8E95B0000-0x00007FF8EA071000-memory.dmp

Filesize
10.8MB

Download
memory/380-1-0x0000000000070000-0x0000000000080000-memory.dmp

Filesize
64KB

Download