xworm | a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6

Analysis

max time kernel
4s
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 22:05

Sharing

Copy URL

Twitter E-mail

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

behavioral1/memory/2688-1-0x0000000000380000-0x0000000000396000-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

204 powershell.exe
2164 powershell.exe
392 powershell.exe
404 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

740 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

404 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

sv.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2688 sv.exe
Token: SeDebugPrivilege 404 powershell.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

sv.exe

description pid process target process

PID 2688 wrote to memory of 404 2688 sv.exe powershell.exe
PID 2688 wrote to memory of 404 2688 sv.exe powershell.exe

resource	yara_rule
behavioral1/memory/2688-1-0x0000000000380000-0x0000000000396000-memory.dmp	family_xworm
C:\ProgramData\svhost.exe	family_xworm

pid	process
204	powershell.exe
2164	powershell.exe
392	powershell.exe
404	powershell.exe

pid	process
740	schtasks.exe

pid	process
404	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2688	sv.exe
Token: SeDebugPrivilege	404	powershell.exe

description	pid	process	target process
PID 2688 wrote to memory of 404	2688	sv.exe	powershell.exe
PID 2688 wrote to memory of 404	2688	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:2688

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:404

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:204

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:2164

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:392

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:740

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:4196

C:\ProgramData\svhost.exe
C:\ProgramData\svhost.exe
1⤵
PID:2180

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

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
ad5cd538ca58cb28ede39c108acb5785

SHA1
1ae910026f3dbe90ed025e9e96ead2b5399be877

SHA256
c9e6cb04d6c893458d5a7e12eb575cf97c3172f5e312b1f63a667cbbc5f0c033

SHA512
c066c5d9b276a68fa636647bb29aea05bfa2292217bc77f5324d9c1d93117772ee8277e1f7cff91ec8d6b7c05ca078f929cecfdbb09582522a9067f54740af13

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
b69b44e407cf7a4cdad83a6623a46881

SHA1
cf582b92759d74f81b49826781e772dd30bdd77c

SHA256
2fed03fc9ce8ec23abf3d3b6975da65229c6f476e942ef2ab91369e2a484ad98

SHA512
674ce393406bbf5791a7feddc9e87684106550bf0850780d6ef191c6bfaffaa9363318f0bd19256946c5faefbe01100555222f7d59f6145bec8a1b20510504fc

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

MD5
2e034bf080485713daa54c42585cf038

SHA1
293802b8b6654b12256c5d74878ebfe029b6cbef

SHA256
237a45f31c565255094bc059655f98a24c2b90751375a6b50502ad213f9b28ac

SHA512
82b3d85ad81deefc98b48d6ad56b6bc14712e448b79133f8bde6b79811eb26edd377eef6eb7a10225682ffb9a46317bf29ede303ea08e4e0c32553f139c9b242

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

MD5
b5b8860eed9ab437236b1f06502e738c

SHA1
b36604233845158787e882f41b202b18e5d92727

SHA256
c718330616310274a020a975582dca159a542431e8b3aa0e1dd1a4a1e744c4a9

SHA512
e4583d2bc031b01c286a845cb70406262762ae91c193d684df2f4424d90ba4913b9413026cc1ef8d6cc48d8f906e88c7821e07619451b42589e9ac7a7033bfdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d3nwz1e5.gsy.ps1
Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/404-52-0x00007FFB5DDC0000-0x00007FFB5E7AC000-memory.dmp

Filesize
9.9MB

Download
memory/404-41-0x00007FFB5DDC0000-0x00007FFB5E7AC000-memory.dmp

Filesize
9.9MB

Download
memory/404-51-0x00007FFB5DDC0000-0x00007FFB5E7AC000-memory.dmp

Filesize
9.9MB

Download
memory/404-8-0x00007FFB5DDC0000-0x00007FFB5E7AC000-memory.dmp

Filesize
9.9MB

Download
memory/404-24-0x00007FFB5DDC0000-0x00007FFB5E7AC000-memory.dmp

Filesize
9.9MB

Download
memory/404-11-0x00007FFB5DDC0000-0x00007FFB5E7AC000-memory.dmp

Filesize
9.9MB

Download
memory/404-10-0x0000016099EE0000-0x0000016099F56000-memory.dmp

Filesize
472KB

Download
memory/404-6-0x0000016099D30000-0x0000016099D52000-memory.dmp

Filesize
136KB

Download
memory/2688-1-0x0000000000380000-0x0000000000396000-memory.dmp

Filesize
88KB

Download
memory/2688-187-0x00007FFB5DDC0000-0x00007FFB5E7AC000-memory.dmp

Filesize
9.9MB

Download
memory/2688-188-0x00007FFB5DDC3000-0x00007FFB5DDC4000-memory.dmp

Filesize
4KB

Download
memory/2688-189-0x00007FFB5DDC0000-0x00007FFB5E7AC000-memory.dmp

Filesize
9.9MB

Download
memory/2688-0-0x00007FFB5DDC3000-0x00007FFB5DDC4000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads