xworm | a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6

Analysis

max time kernel
3s
max time network
153s
platform
windows10-1703_x64
resource
win10-20240611-en
resource tags

arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
submitted
30-06-2024 21:10

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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

Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

Processes:

resource yara_rule

behavioral2/memory/4484-192-0x0000000001340000-0x000000000134E000-memory.dmp disable_win_def
Detect Xworm Payload 2 IoCs

Processes:

resource yara_rule

behavioral2/memory/4484-1-0x0000000000BE0000-0x0000000000BF6000-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

4564 powershell.exe
4336 powershell.exe
5084 powershell.exe
3024 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

3248 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

4336 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

sv.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4484 sv.exe
Token: SeDebugPrivilege 4336 powershell.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

sv.exe

description pid process target process

PID 4484 wrote to memory of 4336 4484 sv.exe powershell.exe
PID 4484 wrote to memory of 4336 4484 sv.exe powershell.exe

resource	yara_rule
behavioral2/memory/4484-192-0x0000000001340000-0x000000000134E000-memory.dmp	disable_win_def

resource	yara_rule
behavioral2/memory/4484-1-0x0000000000BE0000-0x0000000000BF6000-memory.dmp	family_xworm
C:\ProgramData\svhost.exe	family_xworm

pid	process
4564	powershell.exe
4336	powershell.exe
5084	powershell.exe
3024	powershell.exe

pid	process
3248	schtasks.exe

pid	process
4336	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4484	sv.exe
Token: SeDebugPrivilege	4336	powershell.exe

description	pid	process	target process
PID 4484 wrote to memory of 4336	4484	sv.exe	powershell.exe
PID 4484 wrote to memory of 4336	4484	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:4484

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:4336

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
PID:5084

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:3024

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:4564

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:3248

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:2580

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:5056

Network

MITRE ATT&CK Matrix ATT&CK v13

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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
3KB

MD5
8592ba100a78835a6b94d5949e13dfc1

SHA1
63e901200ab9a57c7dd4c078d7f75dcd3b357020

SHA256
fdd7d9def6f9f0c0f2e60dbc8a2d1999071cd7d3095e9e087bb1cda7a614ac3c

SHA512
87f98e6cb61b2a2a7d65710c4d33881d89715eb7a06e00d492259f35c3902498baabffc5886be0ec5a14312ad4c262e3fc40cd3a5cb91701af0fb229726b88c3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svhost.exe.log
Filesize
654B

MD5
16c5fce5f7230eea11598ec11ed42862

SHA1
75392d4824706090f5e8907eee1059349c927600

SHA256
87ba77c13905298acbac72be90949c4fe0755b6eff9777615aa37f252515f151

SHA512
153edd6da59beea6cc411ed7383c32916425d6ebb65f04c65aab7c1d6b25443d143aa8449aa92149de0ad8a975f6ecaa60f9f7574536eec6b38fe5fd3a6c6adc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
a5dbd5b5079f9946baaf900428b89dda

SHA1
cdb9d70800ecb715d79481a3149eab6af4b3f93c

SHA256
c3d8e47cb53cc65cce11576c81232b7b3f1e4edb45683160d942cfb6df1c9e13

SHA512
54aab74c413b3f36ab1eda546cae2e3d032503db0d7d669c9e4b1f63bd8fa317f801d4cb6b51c96b494bac817ee0475a670e6881a464c726b071fab1bf123b4c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
fcec0767a688603b330c199dbaa270a2

SHA1
18a3bdc4f2a3a2fffcebdb5b59e2653abaeddd96

SHA256
ecb4a9ea365026c7da7fdd624ee426a1256197b84ab871dc5159318c9ef0c877

SHA512
bc60e86c2697231d40c0f33b15e8969f2e11049572352b67550eac637d1bdeccc1177cfad7c62fc04c86feb289cd35b7beff9cc6c5a53773a662dec3a088a671

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
1746ee35f8136c9ddc8ea6e3815ca306

SHA1
5fdcb9ab0036804bf1ca96e9a3bd5f2552d12300

SHA256
170e954a491cf855bebfdbf6a203ce91ed6e4b91392c545c3cb0fb46db3fdad2

SHA512
7df1074e0017179d8d27149f2f593716deade2f76fcaf1607065589b48ebe7425edd3c7eb7ff3fdb4a890081f05e21912246736f88ca69eb458d3c9d37883c83

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1wismvjy.hyq.ps1
Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/4336-52-0x00007FFF44690000-0x00007FFF4507C000-memory.dmp

Filesize
9.9MB

Download
memory/4336-41-0x00007FFF44690000-0x00007FFF4507C000-memory.dmp

Filesize
9.9MB

Download
memory/4336-51-0x00007FFF44690000-0x00007FFF4507C000-memory.dmp

Filesize
9.9MB

Download
memory/4336-20-0x00007FFF44690000-0x00007FFF4507C000-memory.dmp

Filesize
9.9MB

Download
memory/4336-11-0x00007FFF44690000-0x00007FFF4507C000-memory.dmp

Filesize
9.9MB

Download
memory/4336-10-0x000001C0BE790000-0x000001C0BE806000-memory.dmp

Filesize
472KB

Download
memory/4336-9-0x00007FFF44690000-0x00007FFF4507C000-memory.dmp

Filesize
9.9MB

Download
memory/4336-6-0x000001C0BE5E0000-0x000001C0BE602000-memory.dmp

Filesize
136KB

Download
memory/4484-1-0x0000000000BE0000-0x0000000000BF6000-memory.dmp

Filesize
88KB

Download
memory/4484-186-0x00007FFF44690000-0x00007FFF4507C000-memory.dmp

Filesize
9.9MB

Download
memory/4484-187-0x00007FFF44690000-0x00007FFF4507C000-memory.dmp

Filesize
9.9MB

Download
memory/4484-192-0x0000000001340000-0x000000000134E000-memory.dmp

Filesize
56KB

Download
memory/4484-0-0x00007FFF44693000-0x00007FFF44694000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads