Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
21-06-2024 11:29
Behavioral task
behavioral1
Sample
scvhost.exe
Resource
win7-20240611-en
General
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Target
scvhost.exe
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Size
61KB
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MD5
409c4205d1119c67e3ed65c16f9b71c7
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SHA1
2dd6c500f1bc16e59764cd1ac13642463efa52e7
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SHA256
924d8102157fd6dbcda4cac2b035be62d8aeeb3e3d8d5bea167989a33d0141fd
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SHA512
1de55f5dd34b546078130cb5619295113200d7fc254ef32573db256ece2ebc89181ff0cb92900617728f04a11d688d9b4bbd32b3152d1a66c9d93a206d1d135d
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SSDEEP
768:gDifR2nzIdDiIp2PhtWZRYs/b1NnW9bnj5jWzNd6RuhO0utthei4Jq8Z:d2sdgh4b/b7835aJd6gO0at43J9
Malware Config
Extracted
xworm
gift-scientists.gl.at.ply.gg:20443
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Install_directory
%AppData%
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install_file
scvhost.exe
Signatures
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Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3272-1-0x0000000000AA0000-0x0000000000AB6000-memory.dmp family_xworm C:\Users\Admin\AppData\Roaming\scvhost.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 4476 powershell.exe 2216 powershell.exe 4404 powershell.exe 4708 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
scvhost.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation scvhost.exe -
Executes dropped EXE 2 IoCs
Processes:
scvhost.exescvhost.exepid process 1188 scvhost.exe 2680 scvhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
scvhost.exepid process 3272 scvhost.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 4476 powershell.exe 4476 powershell.exe 2216 powershell.exe 2216 powershell.exe 4404 powershell.exe 4404 powershell.exe 4708 powershell.exe 4708 powershell.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
Processes:
scvhost.exepowershell.exepowershell.exepowershell.exepowershell.exescvhost.exescvhost.exedescription pid process Token: SeDebugPrivilege 3272 scvhost.exe Token: SeDebugPrivilege 4476 powershell.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeDebugPrivilege 4404 powershell.exe Token: SeDebugPrivilege 4708 powershell.exe Token: SeDebugPrivilege 3272 scvhost.exe Token: SeDebugPrivilege 1188 scvhost.exe Token: SeDebugPrivilege 2680 scvhost.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
scvhost.exedescription pid process target process PID 3272 wrote to memory of 4476 3272 scvhost.exe powershell.exe PID 3272 wrote to memory of 4476 3272 scvhost.exe powershell.exe PID 3272 wrote to memory of 2216 3272 scvhost.exe powershell.exe PID 3272 wrote to memory of 2216 3272 scvhost.exe powershell.exe PID 3272 wrote to memory of 4404 3272 scvhost.exe powershell.exe PID 3272 wrote to memory of 4404 3272 scvhost.exe powershell.exe PID 3272 wrote to memory of 4708 3272 scvhost.exe powershell.exe PID 3272 wrote to memory of 4708 3272 scvhost.exe powershell.exe PID 3272 wrote to memory of 2976 3272 scvhost.exe schtasks.exe PID 3272 wrote to memory of 2976 3272 scvhost.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
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C:\Users\Admin\AppData\Local\Temp\scvhost.exe"C:\Users\Admin\AppData\Local\Temp\scvhost.exe"1⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3272 -
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\scvhost.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4476
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'scvhost.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2216
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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\Roaming\scvhost.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4404
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'scvhost.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4708
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "scvhost" /tr "C:\Users\Admin\AppData\Roaming\scvhost.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:2976
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C:\Users\Admin\AppData\Roaming\scvhost.exeC:\Users\Admin\AppData\Roaming\scvhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1188
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:81⤵PID:3628
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C:\Users\Admin\AppData\Roaming\scvhost.exeC:\Users\Admin\AppData\Roaming\scvhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2680
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
944B
MD562623d22bd9e037191765d5083ce16a3
SHA14a07da6872672f715a4780513d95ed8ddeefd259
SHA25695d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010
SHA5129a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992
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Filesize
944B
MD5205f6010c033eefc37d63d8ce846bce4
SHA1417b1aabb447765a2aa149529a1f4f52ded194ea
SHA256993dbee9fb487dbdff56c09a1df360ea68b583bd8b28b2c315ec9d92639f3697
SHA512c6bbd60c82ffbc3297d1d355ab3c6692de97da0b3bdd60ea4aacec6d27d360341cefa11a4411d7b8877d54d1177b48f4dc003e2a391031cc1a304b177689bfaf
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Filesize
944B
MD5f5ea6e485a296269f874f3d12709ce50
SHA1c73e5adec8ceef00e49e0f51d382b990fc5b4d4c
SHA256980d5cc1b33f9995ce40b593bac646373b613070e5ca6da2c297c5fb8c1f28c3
SHA51209e3083c712ae875d1dae3d4c903e96e6f5e97f5a15d4301319d3f6f63b2e704ce1b728704fd4ada7f0c26b782b05b551f961db8775f7527b1b1b224e7478659
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
61KB
MD5409c4205d1119c67e3ed65c16f9b71c7
SHA12dd6c500f1bc16e59764cd1ac13642463efa52e7
SHA256924d8102157fd6dbcda4cac2b035be62d8aeeb3e3d8d5bea167989a33d0141fd
SHA5121de55f5dd34b546078130cb5619295113200d7fc254ef32573db256ece2ebc89181ff0cb92900617728f04a11d688d9b4bbd32b3152d1a66c9d93a206d1d135d