a9f7758895f964182cda2f5d32682ea9b93ad02730438959dab8b26280f19cb9

Reason

Machine shutdown

General

Target

spacedesk_driver_Win_10_64_v2116.msi
Size

4.7MB
MD5

c3ba4b2ce59a288196c9dfd992da36d8
SHA1

885eaadf9a44a4744cf0eccdb34918f4b0b5bc2f
SHA256

a9f7758895f964182cda2f5d32682ea9b93ad02730438959dab8b26280f19cb9
SHA512

20671bda7dff6e18cb4eb4091b832817db0e7a09981454e5bfead0c26830907e46aa37183bb6713bfa1be710711d1b1bf1310e5014970cd62c26d8cd80637417
SSDEEP

98304:ufZwA1OhvBdMe4kQuwmC9y3eSc75IxRH:WKJBdJ4knC0uSc75Ix

Score

6^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

Processes:

msiexec.exe

flow pid process

4 2904 msiexec.exe
6 2904 msiexec.exe

flow	pid	process
4	2904	msiexec.exe
6	2904	msiexec.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

msiexec.exe

description	ioc	process
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "137"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 32 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	2904	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2904	msiexec.exe
Token: SeSecurityPrivilege	2112	msiexec.exe
Token: SeCreateTokenPrivilege	2904	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2904	msiexec.exe
Token: SeLockMemoryPrivilege	2904	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2904	msiexec.exe
Token: SeMachineAccountPrivilege	2904	msiexec.exe
Token: SeTcbPrivilege	2904	msiexec.exe
Token: SeSecurityPrivilege	2904	msiexec.exe
Token: SeTakeOwnershipPrivilege	2904	msiexec.exe
Token: SeLoadDriverPrivilege	2904	msiexec.exe
Token: SeSystemProfilePrivilege	2904	msiexec.exe
Token: SeSystemtimePrivilege	2904	msiexec.exe
Token: SeProfSingleProcessPrivilege	2904	msiexec.exe
Token: SeIncBasePriorityPrivilege	2904	msiexec.exe
Token: SeCreatePagefilePrivilege	2904	msiexec.exe
Token: SeCreatePermanentPrivilege	2904	msiexec.exe
Token: SeBackupPrivilege	2904	msiexec.exe
Token: SeRestorePrivilege	2904	msiexec.exe
Token: SeShutdownPrivilege	2904	msiexec.exe
Token: SeDebugPrivilege	2904	msiexec.exe
Token: SeAuditPrivilege	2904	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2904	msiexec.exe
Token: SeChangeNotifyPrivilege	2904	msiexec.exe
Token: SeRemoteShutdownPrivilege	2904	msiexec.exe
Token: SeUndockPrivilege	2904	msiexec.exe
Token: SeSyncAgentPrivilege	2904	msiexec.exe
Token: SeEnableDelegationPrivilege	2904	msiexec.exe
Token: SeManageVolumePrivilege	2904	msiexec.exe
Token: SeImpersonatePrivilege	2904	msiexec.exe
Token: SeCreateGlobalPrivilege	2904	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

2904 msiexec.exe
2904 msiexec.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

LogonUI.exe

pid process

2228 LogonUI.exe

pid	process
2904	msiexec.exe
2904	msiexec.exe

pid	process
2228	LogonUI.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\spacedesk_driver_Win_10_64_v2116.msi
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2904

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2112

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 --field-trial-handle=4040,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4104 /prefetch:8
1⤵
PID:3628

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa391d855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2228