5883edd9c939f4212021ed78572054caea0d3b0cb5c8d938357a7b499544b61a

General

Target

WebM_Premiere.msi
Size

9.8MB
MD5

a914bade13e6df609b57bf8a3e3d5010
SHA1

b9abb9fabe1e9a9b4f0391945b47fcede813da85
SHA256

8d0a4372c4af1f3e94661c2577b68c130f686506dbe647c98691ed7d2e3947e3
SHA512

051d575956323fc881741111528c841874b414aacb787c5542803d934122898ff38bb976d00b32fb95bc7986db7b01a05d4837276d69c40cc8b3b37e2807d27b
SSDEEP

196608:LBEKTWkkBNM5116cg2zc/blV4G1TwAfh91v3rPJsDjSOYl7m27lP:xWkQ6122Y/bljTwAfxv7xFn

Score

6^/10

persistence privilege_escalation

Malware Config

Signatures

Enumerates connected drives 3 TTPs 46 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.exemsiexec.exe

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

Drops file in Program Files directory 1 IoCs

Processes:

msiexec.exe

description ioc process

File created C:\Program Files\Adobe\Common\Plug-ins\7.0\MediaCore\WebM.prm msiexec.exe

description	ioc	process
File created	C:\Program Files\Adobe\Common\Plug-ins\7.0\MediaCore\WebM.prm	msiexec.exe

Drops file in Windows directory 8 IoCs

Processes:

msiexec.exe

description	ioc	process
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File created	C:\Windows\Installer\SourceHash{B89B471B-5309-40E3-8E83-EB60C4A54269}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIDD6.tmp	msiexec.exe
File created	C:\Windows\Installer\e580d0d.msi	msiexec.exe
File created	C:\Windows\Installer\e580d0b.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e580d0b.msi	msiexec.exe

Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
persistence privilege_escalation

Installer Packages
T1546.016

Msiexec
T1218.007

Processes:

msiexec.exe

pid process

4308 msiexec.exe

pid	process
4308	msiexec.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

vssvc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msiexec.exe

pid process

2496 msiexec.exe
2496 msiexec.exe

pid	process
2496	msiexec.exe
2496	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

msiexec.exemsiexec.exevssvc.exe

description	pid	process
Token: SeShutdownPrivilege	4308	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4308	msiexec.exe
Token: SeSecurityPrivilege	2496	msiexec.exe
Token: SeCreateTokenPrivilege	4308	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4308	msiexec.exe
Token: SeLockMemoryPrivilege	4308	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4308	msiexec.exe
Token: SeMachineAccountPrivilege	4308	msiexec.exe
Token: SeTcbPrivilege	4308	msiexec.exe
Token: SeSecurityPrivilege	4308	msiexec.exe
Token: SeTakeOwnershipPrivilege	4308	msiexec.exe
Token: SeLoadDriverPrivilege	4308	msiexec.exe
Token: SeSystemProfilePrivilege	4308	msiexec.exe
Token: SeSystemtimePrivilege	4308	msiexec.exe
Token: SeProfSingleProcessPrivilege	4308	msiexec.exe
Token: SeIncBasePriorityPrivilege	4308	msiexec.exe
Token: SeCreatePagefilePrivilege	4308	msiexec.exe
Token: SeCreatePermanentPrivilege	4308	msiexec.exe
Token: SeBackupPrivilege	4308	msiexec.exe
Token: SeRestorePrivilege	4308	msiexec.exe
Token: SeShutdownPrivilege	4308	msiexec.exe
Token: SeDebugPrivilege	4308	msiexec.exe
Token: SeAuditPrivilege	4308	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4308	msiexec.exe
Token: SeChangeNotifyPrivilege	4308	msiexec.exe
Token: SeRemoteShutdownPrivilege	4308	msiexec.exe
Token: SeUndockPrivilege	4308	msiexec.exe
Token: SeSyncAgentPrivilege	4308	msiexec.exe
Token: SeEnableDelegationPrivilege	4308	msiexec.exe
Token: SeManageVolumePrivilege	4308	msiexec.exe
Token: SeImpersonatePrivilege	4308	msiexec.exe
Token: SeCreateGlobalPrivilege	4308	msiexec.exe
Token: SeBackupPrivilege	2660	vssvc.exe
Token: SeRestorePrivilege	2660	vssvc.exe
Token: SeAuditPrivilege	2660	vssvc.exe
Token: SeBackupPrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe
Token: SeTakeOwnershipPrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe
Token: SeTakeOwnershipPrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe
Token: SeTakeOwnershipPrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe
Token: SeTakeOwnershipPrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe
Token: SeTakeOwnershipPrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe
Token: SeTakeOwnershipPrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe
Token: SeTakeOwnershipPrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe
Token: SeTakeOwnershipPrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe
Token: SeTakeOwnershipPrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe
Token: SeTakeOwnershipPrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe
Token: SeTakeOwnershipPrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe
Token: SeTakeOwnershipPrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe
Token: SeTakeOwnershipPrivilege	2496	msiexec.exe
Token: SeRestorePrivilege	2496	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

4308 msiexec.exe
4308 msiexec.exe

pid	process
4308	msiexec.exe
4308	msiexec.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

msiexec.exe

description	pid	process	target process
PID 2496 wrote to memory of 1660	2496	msiexec.exe	srtasks.exe
PID 2496 wrote to memory of 1660	2496	msiexec.exe	srtasks.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\WebM_Premiere.msi
1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4308

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:1660

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Installer Packages

1

T1546.016

Privilege Escalation

Event Triggered Execution

1

T1546

Installer Packages

1

T1546.016

Defense Evasion

System Binary Proxy Execution

1

T1218

Msiexec

1

T1218.007

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Config.Msi\e580d0c.rbs

Filesize
8KB

MD5
22dd90c65b207667b14e42b4d820b5b4

SHA1
201ff351e1184e079f82d51cc71a5354bd61b845

SHA256
d264c0e0b193f4c53501932b7ddf497f6e00ce133d2a905acd46e99e7fc1e607

SHA512
65da16ba13ffd677f137a1468aeba708553992242251d425a8930e78af63835c980f6fcb139f6a172aed67d0cee79a7ebc5e1a8d07070ad3559ff990b3eff5b9

Download Submit
C:\Windows\Installer\e580d0b.msi

Filesize
9.8MB

MD5
a914bade13e6df609b57bf8a3e3d5010

SHA1
b9abb9fabe1e9a9b4f0391945b47fcede813da85

SHA256
8d0a4372c4af1f3e94661c2577b68c130f686506dbe647c98691ed7d2e3947e3

SHA512
051d575956323fc881741111528c841874b414aacb787c5542803d934122898ff38bb976d00b32fb95bc7986db7b01a05d4837276d69c40cc8b3b37e2807d27b

Download Submit
\??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

Filesize
24.1MB

MD5
636d8f495eab98d74706b46ce0445264

SHA1
be66a710d8e7ed9ae1d115b1c1852a60a99c20f1

SHA256
8321e787971fd1f8abfe5543f8354e0c74d122315523411508f1f77432f8b14f

SHA512
aa935ff7bc48f2c8d4097a38d22a3dda12305db3443332f4af76ca513ce956c83f8a2c2bd3876db035125efb52cfb6870fad6637e803b41d20bfeaf1be9813cd

Download Submit
\??\Volume{f0eec59f-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{72306065-76c9-4014-8150-03f9785d963e}_OnDiskSnapshotProp

Filesize
6KB

MD5
f8d2dd351393a05e6d99fcba9b8e5625

SHA1
c6d28c410326e441135af6096cb2fe9f77302fbe

SHA256
89cdf48440bec35e8999f0d562dd24aef967060ac42cf0374ab3990fbe84793c

SHA512
78629a27846815e75fe998a0f18032a2b7a0cb42a9287ade7626e5ad140362d578f5d23726458e86eb05ac91fdeb922cc54e9b2b55309b1448dbc3f9d9b084c5

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads