Analysis
-
max time kernel
1796s -
max time network
1680s -
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 21:53
Behavioral task
behavioral1
Sample
sv.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
sv.exe
Resource
win7-20240221-en
Behavioral task
behavioral3
Sample
sv.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral4
Sample
sv.exe
Resource
win11-20240508-en
General
-
Target
sv.exe
-
Size
63KB
-
MD5
c095a62b525e62244cad230e696028cf
-
SHA1
67232c186d3efe248b540f1f2fe3382770b5074a
-
SHA256
a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6
-
SHA512
5ba859d89a9277d9b6243f461991cc6472d001cdea52d9fcfba3cbead88fbc69d9dfce076b1fdeaf0d1cd21fe4cace54f1cefe1c352d70cc8fa2898fe1b61fb0
-
SSDEEP
1536:unjFXblMp3wgDkbivVSm16KTOKjLIJXc:unrAwgDkbicmbOKj0JM
Malware Config
Extracted
xworm
amount-acceptance.gl.at.ply.gg:7420
-
Install_directory
%ProgramData%
-
install_file
svhost.exe
Signatures
-
Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule behavioral4/memory/3304-0-0x0000000000130000-0x0000000000146000-memory.dmp family_xworm C:\ProgramData\svhost.exe family_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.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 3528 powershell.exe 664 powershell.exe 1840 powershell.exe 5044 powershell.exe -
Drops startup file 2 IoCs
Processes:
sv.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk sv.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk sv.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.exepid process 1288 svhost.exe 5060 svhost.exe 2308 svhost.exe 4632 svhost.exe 4456 svhost.exe 4444 svhost.exe 1516 svhost.exe 5060 svhost.exe 2404 svhost.exe 1928 svhost.exe 3684 svhost.exe 4456 svhost.exe 4348 svhost.exe 3728 svhost.exe 1780 svhost.exe 2080 svhost.exe 4468 svhost.exe 1904 svhost.exe 3532 svhost.exe 1188 svhost.exe 3612 svhost.exe 2752 svhost.exe 4312 svhost.exe 3560 svhost.exe 4640 svhost.exe 2268 svhost.exe 4164 svhost.exe 4120 svhost.exe 3040 svhost.exe 1896 svhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
sv.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\ProgramData\\svhost.exe" sv.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 3528 powershell.exe 3528 powershell.exe 664 powershell.exe 664 powershell.exe 1840 powershell.exe 1840 powershell.exe 5044 powershell.exe 5044 powershell.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
Processes:
sv.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.exedescription pid process Token: SeDebugPrivilege 3304 sv.exe Token: SeDebugPrivilege 3528 powershell.exe Token: SeDebugPrivilege 664 powershell.exe Token: SeDebugPrivilege 1840 powershell.exe Token: SeDebugPrivilege 5044 powershell.exe Token: SeDebugPrivilege 3304 sv.exe Token: SeDebugPrivilege 1288 svhost.exe Token: SeDebugPrivilege 5060 svhost.exe Token: SeDebugPrivilege 2308 svhost.exe Token: SeDebugPrivilege 4632 svhost.exe Token: SeDebugPrivilege 4456 svhost.exe Token: SeDebugPrivilege 4444 svhost.exe Token: SeDebugPrivilege 1516 svhost.exe Token: SeDebugPrivilege 5060 svhost.exe Token: SeDebugPrivilege 2404 svhost.exe Token: SeDebugPrivilege 1928 svhost.exe Token: SeDebugPrivilege 3684 svhost.exe Token: SeDebugPrivilege 4456 svhost.exe Token: SeDebugPrivilege 4348 svhost.exe Token: SeDebugPrivilege 3728 svhost.exe Token: SeDebugPrivilege 1780 svhost.exe Token: SeDebugPrivilege 2080 svhost.exe Token: SeDebugPrivilege 4468 svhost.exe Token: SeDebugPrivilege 1904 svhost.exe Token: SeDebugPrivilege 3532 svhost.exe Token: SeDebugPrivilege 1188 svhost.exe Token: SeDebugPrivilege 3612 svhost.exe Token: SeDebugPrivilege 2752 svhost.exe Token: SeDebugPrivilege 4312 svhost.exe Token: SeDebugPrivilege 3560 svhost.exe Token: SeDebugPrivilege 4640 svhost.exe Token: SeDebugPrivilege 2268 svhost.exe Token: SeDebugPrivilege 4164 svhost.exe Token: SeDebugPrivilege 4120 svhost.exe Token: SeDebugPrivilege 3040 svhost.exe Token: SeDebugPrivilege 1896 svhost.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
sv.exedescription pid process target process PID 3304 wrote to memory of 3528 3304 sv.exe powershell.exe PID 3304 wrote to memory of 3528 3304 sv.exe powershell.exe PID 3304 wrote to memory of 664 3304 sv.exe powershell.exe PID 3304 wrote to memory of 664 3304 sv.exe powershell.exe PID 3304 wrote to memory of 1840 3304 sv.exe powershell.exe PID 3304 wrote to memory of 1840 3304 sv.exe powershell.exe PID 3304 wrote to memory of 5044 3304 sv.exe powershell.exe PID 3304 wrote to memory of 5044 3304 sv.exe powershell.exe PID 3304 wrote to memory of 2484 3304 sv.exe schtasks.exe PID 3304 wrote to memory of 2484 3304 sv.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.
Processes
-
C:\Users\Admin\AppData\Local\Temp\sv.exe"C:\Users\Admin\AppData\Local\Temp\sv.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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
-
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
-
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
-
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
-
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
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\ProgramData\svhost.exeC:\ProgramData\svhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\ProgramData\svhost.exeFilesize
63KB
MD5c095a62b525e62244cad230e696028cf
SHA167232c186d3efe248b540f1f2fe3382770b5074a
SHA256a5728f8fd33c77818782d3eef567b77d1586b1927696affced63d494691edbe6
SHA5125ba859d89a9277d9b6243f461991cc6472d001cdea52d9fcfba3cbead88fbc69d9dfce076b1fdeaf0d1cd21fe4cace54f1cefe1c352d70cc8fa2898fe1b61fb0
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.logFilesize
2KB
MD5627073ee3ca9676911bee35548eff2b8
SHA14c4b68c65e2cab9864b51167d710aa29ebdcff2e
SHA25685b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
SHA5123c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svhost.exe.logFilesize
654B
MD52cbbb74b7da1f720b48ed31085cbd5b8
SHA179caa9a3ea8abe1b9c4326c3633da64a5f724964
SHA256e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3
SHA512ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
944B
MD51a9fa92a4f2e2ec9e244d43a6a4f8fb9
SHA19910190edfaccece1dfcc1d92e357772f5dae8f7
SHA2560ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888
SHA5125d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
944B
MD5781da0576417bf414dc558e5a315e2be
SHA1215451c1e370be595f1c389f587efeaa93108b4c
SHA25641a5aef8b0bbeea2766f40a7bba2c78322379f167c610f7055ccb69e7db030fe
SHA51224e283aa30a2903ebe154dad49b26067a45e46fec57549ad080d3b9ec3f272044efaaed3822d067837f5521262192f466c47195ffe7f75f8c7c5dcf3159ea737
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
944B
MD507d72189e9be634f740edbd45ec069f6
SHA18252c395c78d465f5501a9af44688882449ddf8b
SHA25636c40ad762123846594b094c3ecc9cf449105489efa5f55794ac31afb4b3da66
SHA512d2ca37551c8782689d417ebc9a30b3403af08e6634e21c0d724c680b8c354f62d917e3231242d80a5f21fa7fdbedbf98a2caf70825e3e4a67a8dc53b802d9da0
-
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ccboq5eb.5jn.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
memory/3304-52-0x00007FFD124B0000-0x00007FFD12F72000-memory.dmpFilesize
10.8MB
-
memory/3304-1-0x00007FFD124B3000-0x00007FFD124B5000-memory.dmpFilesize
8KB
-
memory/3304-53-0x00007FFD124B0000-0x00007FFD12F72000-memory.dmpFilesize
10.8MB
-
memory/3304-0-0x0000000000130000-0x0000000000146000-memory.dmpFilesize
88KB
-
memory/3528-16-0x00007FFD124B0000-0x00007FFD12F72000-memory.dmpFilesize
10.8MB
-
memory/3528-13-0x00007FFD124B0000-0x00007FFD12F72000-memory.dmpFilesize
10.8MB
-
memory/3528-12-0x00007FFD124B0000-0x00007FFD12F72000-memory.dmpFilesize
10.8MB
-
memory/3528-11-0x00007FFD124B0000-0x00007FFD12F72000-memory.dmpFilesize
10.8MB
-
memory/3528-10-0x000001B674190000-0x000001B6741B2000-memory.dmpFilesize
136KB