xworm | a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6

Analysis

max time kernel
4s
max time network
348s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 21:51

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Reason

Machine shutdown

Report Analysis Logs

General

Target

sv.exe
Size

63KB
MD5

c095a62b525e62244cad230e696028cf
SHA1

67232c186d3efe248b540f1f2fe3382770b5074a
SHA256

a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6
SHA512

5ba859d89a9277d9b6243f461991cc6472d001cdea52d9fcfba3cbead88fbc69d9dfce076b1fdeaf0d1cd21fe4cace54f1cefe1c352d70cc8fa2898fe1b61fb0
SSDEEP

1536:unjFXblMp3wgDkbivVSm16KTOKjLIJXc:unrAwgDkbicmbOKj0JM

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

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

Attributes

Install_directory
%ProgramData%
install_file
svhost.exe

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource yara_rule

behavioral4/memory/5096-0-0x0000000000C10000-0x0000000000C26000-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

3624 powershell.exe
2092 powershell.exe
3400 powershell.exe
3056 powershell.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

4572 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exepowershell.exe

pid process

3624 powershell.exe
3624 powershell.exe
2092 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

sv.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 5096 sv.exe
Token: SeDebugPrivilege 3624 powershell.exe
Token: SeDebugPrivilege 2092 powershell.exe

resource	yara_rule
behavioral4/memory/5096-0-0x0000000000C10000-0x0000000000C26000-memory.dmp	family_xworm
C:\ProgramData\svhost.exe	family_xworm

pid	process
3624	powershell.exe
2092	powershell.exe
3400	powershell.exe
3056	powershell.exe

pid	process
4572	schtasks.exe

pid	process
3624	powershell.exe
3624	powershell.exe
2092	powershell.exe

description	pid	process
Token: SeDebugPrivilege	5096	sv.exe
Token: SeDebugPrivilege	3624	powershell.exe
Token: SeDebugPrivilege	2092	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

sv.exe

description	pid	process	target process
PID 5096 wrote to memory of 3624	5096	sv.exe	powershell.exe
PID 5096 wrote to memory of 3624	5096	sv.exe	powershell.exe
PID 5096 wrote to memory of 2092	5096	sv.exe	powershell.exe
PID 5096 wrote to memory of 2092	5096	sv.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\sv.exe
"C:\Users\Admin\AppData\Local\Temp\sv.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5096

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\sv.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3624

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'sv.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2092

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
PID:3400

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
PID:3056

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:4572

C:\Windows\SYSTEM32\shutdown.exe
shutdown.exe /f /s /t 0
2⤵
PID:3268

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:8

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:4384

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:2444

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:4136

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:8

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:1576

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3940855 /state1:0x41c64e6d
1⤵
PID:3076

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\ProgramData\svhost.exe
Filesize
63KB

MD5
c095a62b525e62244cad230e696028cf

SHA1
67232c186d3efe248b540f1f2fe3382770b5074a

SHA256
a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6

SHA512
5ba859d89a9277d9b6243f461991cc6472d001cdea52d9fcfba3cbead88fbc69d9dfce076b1fdeaf0d1cd21fe4cace54f1cefe1c352d70cc8fa2898fe1b61fb0

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

MD5
2cbbb74b7da1f720b48ed31085cbd5b8

SHA1
79caa9a3ea8abe1b9c4326c3633da64a5f724964

SHA256
e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

SHA512
ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

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

MD5
1a9fa92a4f2e2ec9e244d43a6a4f8fb9

SHA1
9910190edfaccece1dfcc1d92e357772f5dae8f7

SHA256
0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

SHA512
5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

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

MD5
80b42fe4c6cf64624e6c31e5d7f2d3b3

SHA1
1f93e7dd83b86cb900810b7e3e43797868bf7d93

SHA256
ee20a5b38a6674366efda276dbbf0b43eb54efd282acfc1033042f6b53a80d4d

SHA512
83c1c744c15a8b427a1d3af677ec3bfd0353875a60fe886c41570981e17467ebbb59619b960ca8c5c3ab1430946b0633ea200b7e7d84ab6dca88b60c50055573

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

MD5
7182aca9037b00a6c6fe7d45f38e9b14

SHA1
377048f62681ff748a1ab41acb270117625e6182

SHA256
36edf4abd6dc8cfb50d514dcefd137197ee8bc7034b87fdeeab9764d76941896

SHA512
df4ce86cf006561bd65b44fc52c0832c88ccdf387d37f5976f789b4b77d05b42fb9acc0ea54ad6432418123a8349ef9a48abbcd8948fe93d69ff184c2c4a8900

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x0mjq44z.vhh.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3624-11-0x00007FF837590000-0x00007FF838052000-memory.dmp

Filesize
10.8MB

Download
memory/3624-17-0x00007FF837590000-0x00007FF838052000-memory.dmp

Filesize
10.8MB

Download
memory/3624-16-0x00007FF837590000-0x00007FF838052000-memory.dmp

Filesize
10.8MB

Download
memory/3624-13-0x00007FF837590000-0x00007FF838052000-memory.dmp

Filesize
10.8MB

Download
memory/3624-12-0x00007FF837590000-0x00007FF838052000-memory.dmp

Filesize
10.8MB

Download
memory/3624-10-0x000001F371070000-0x000001F371092000-memory.dmp

Filesize
136KB

Download
memory/5096-1-0x00007FF837593000-0x00007FF837595000-memory.dmp

Filesize
8KB

Download
memory/5096-53-0x00007FF837590000-0x00007FF838052000-memory.dmp

Filesize
10.8MB

Download
memory/5096-57-0x00007FF837590000-0x00007FF838052000-memory.dmp

Filesize
10.8MB

Download
memory/5096-0-0x0000000000C10000-0x0000000000C26000-memory.dmp

Filesize
88KB

Download
memory/5096-62-0x000000001B890000-0x000000001B89A000-memory.dmp

Filesize
40KB

Download
memory/5096-66-0x00007FF837590000-0x00007FF838052000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads