fd5f6509bdf5fd3820668051761268ea6185b7cad0d09f1ddcd38d159e181404

General

Target

spacedeskWindowsVIEWER_v099z40_BETA.msi
Size

2.2MB
MD5

65583fab5bfb63d8ae8751f8cbf53e63
SHA1

cb604bc2e93da1fc7d1eba4591b13e308be378b9
SHA256

fd5f6509bdf5fd3820668051761268ea6185b7cad0d09f1ddcd38d159e181404
SHA512

0bca8e1dc1f9d0f3b41cace03187933b618632a095b305092e395da9816fca8708ded25ccc6d25d39e0c31ceb95a8fd2f859e52973211e2d91287eb874813e8a
SSDEEP

49152:vskxAErk9wr69W2JpItVQoIsz4YswT31gaXRXuj:E65rk9wYnpEQe4YXlJ

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
2	1396	msiexec.exe
4	1396	msiexec.exe
6	1396	msiexec.exe
8	1396	msiexec.exe

Enumerates connected drives 3 TTPs 24 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

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1396	msiexec.exe

Suspicious use of AdjustPrivilegeToken 34 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1396	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1396	msiexec.exe
Token: SeRestorePrivilege	804	msiexec.exe
Token: SeTakeOwnershipPrivilege	804	msiexec.exe
Token: SeSecurityPrivilege	804	msiexec.exe
Token: SeCreateTokenPrivilege	1396	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1396	msiexec.exe
Token: SeLockMemoryPrivilege	1396	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1396	msiexec.exe
Token: SeMachineAccountPrivilege	1396	msiexec.exe
Token: SeTcbPrivilege	1396	msiexec.exe
Token: SeSecurityPrivilege	1396	msiexec.exe
Token: SeTakeOwnershipPrivilege	1396	msiexec.exe
Token: SeLoadDriverPrivilege	1396	msiexec.exe
Token: SeSystemProfilePrivilege	1396	msiexec.exe
Token: SeSystemtimePrivilege	1396	msiexec.exe
Token: SeProfSingleProcessPrivilege	1396	msiexec.exe
Token: SeIncBasePriorityPrivilege	1396	msiexec.exe
Token: SeCreatePagefilePrivilege	1396	msiexec.exe
Token: SeCreatePermanentPrivilege	1396	msiexec.exe
Token: SeBackupPrivilege	1396	msiexec.exe
Token: SeRestorePrivilege	1396	msiexec.exe
Token: SeShutdownPrivilege	1396	msiexec.exe
Token: SeDebugPrivilege	1396	msiexec.exe
Token: SeAuditPrivilege	1396	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1396	msiexec.exe
Token: SeChangeNotifyPrivilege	1396	msiexec.exe
Token: SeRemoteShutdownPrivilege	1396	msiexec.exe
Token: SeUndockPrivilege	1396	msiexec.exe
Token: SeSyncAgentPrivilege	1396	msiexec.exe
Token: SeEnableDelegationPrivilege	1396	msiexec.exe
Token: SeManageVolumePrivilege	1396	msiexec.exe
Token: SeImpersonatePrivilege	1396	msiexec.exe
Token: SeCreateGlobalPrivilege	1396	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1396	msiexec.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\spacedeskWindowsVIEWER_v099z40_BETA.msi
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1396

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:804

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
62KB

MD5
3ac860860707baaf32469fa7cc7c0192

SHA1
c33c2acdaba0e6fa41fd2f00f186804722477639

SHA256
d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

SHA512
d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

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C:\Users\Admin\AppData\Local\Temp\Cab121D.tmp

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

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C:\Users\Admin\AppData\Local\Temp\Tar12DB.tmp

Filesize
161KB

MD5
73b4b714b42fc9a6aaefd0ae59adb009

SHA1
efdaffd5b0ad21913d22001d91bf6c19ecb4ac41

SHA256
c0cf8cc04c34b5b80a2d86ad0eafb2dd71436f070c86b0321fba0201879625fd

SHA512
73af3c51b15f89237552b1718bef21fd80788fa416bab2cb2e7fb3a60d56249a716eda0d2dd68ab643752272640e7eaaaf57ce64bcb38373ddc3d035fb8d57cd

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C:\Users\Admin\AppData\Local\Temp\Tar162B.tmp

Filesize
164KB

MD5
4ff65ad929cd9a367680e0e5b1c08166

SHA1
c0af0d4396bd1f15c45f39d3b849ba444233b3a2

SHA256
c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

SHA512
f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

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Analysis

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