525b43c320e55981503e6bcb925da6eaf8ff02c692434e10e51562984831a6d0

Analysis

max time kernel
136s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2023 17:18

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General

Target

d81c4c5fd1.msi
Size

8.7MB
MD5

df958065715bfa16d27a40331a2fa2b6
SHA1

6492750661945ac8604fb2bd92944b9a18eccdd4
SHA256

525b43c320e55981503e6bcb925da6eaf8ff02c692434e10e51562984831a6d0
SHA512

6c6784d193775f419ab23d106ccce76b51a84c5c4ab7770a1908f731f278398a3b0f45477b097cb336ae8ee48d980cc23fbdba8af72445a3365acbd2a90d9e26
SSDEEP

196608:PeS5hV9/S6WXbfXlTrn7HZ5AQX3AveLukj1w9rRlMtLt:PdhVs6WXjX9HZ5AQX32WDKMtL

Score

6^/10

Malware Config

Signatures

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

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

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

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2008	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2008	msiexec.exe
Token: SeSecurityPrivilege	4900	msiexec.exe
Token: SeCreateTokenPrivilege	2008	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2008	msiexec.exe
Token: SeLockMemoryPrivilege	2008	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2008	msiexec.exe
Token: SeMachineAccountPrivilege	2008	msiexec.exe
Token: SeTcbPrivilege	2008	msiexec.exe
Token: SeSecurityPrivilege	2008	msiexec.exe
Token: SeTakeOwnershipPrivilege	2008	msiexec.exe
Token: SeLoadDriverPrivilege	2008	msiexec.exe
Token: SeSystemProfilePrivilege	2008	msiexec.exe
Token: SeSystemtimePrivilege	2008	msiexec.exe
Token: SeProfSingleProcessPrivilege	2008	msiexec.exe
Token: SeIncBasePriorityPrivilege	2008	msiexec.exe
Token: SeCreatePagefilePrivilege	2008	msiexec.exe
Token: SeCreatePermanentPrivilege	2008	msiexec.exe
Token: SeBackupPrivilege	2008	msiexec.exe
Token: SeRestorePrivilege	2008	msiexec.exe
Token: SeShutdownPrivilege	2008	msiexec.exe
Token: SeDebugPrivilege	2008	msiexec.exe
Token: SeAuditPrivilege	2008	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2008	msiexec.exe
Token: SeChangeNotifyPrivilege	2008	msiexec.exe
Token: SeRemoteShutdownPrivilege	2008	msiexec.exe
Token: SeUndockPrivilege	2008	msiexec.exe
Token: SeSyncAgentPrivilege	2008	msiexec.exe
Token: SeEnableDelegationPrivilege	2008	msiexec.exe
Token: SeManageVolumePrivilege	2008	msiexec.exe
Token: SeImpersonatePrivilege	2008	msiexec.exe
Token: SeCreateGlobalPrivilege	2008	msiexec.exe
Token: SeBackupPrivilege	5112	vssvc.exe
Token: SeRestorePrivilege	5112	vssvc.exe
Token: SeAuditPrivilege	5112	vssvc.exe
Token: SeBackupPrivilege	4900	msiexec.exe
Token: SeRestorePrivilege	4900	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2008	msiexec.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\d81c4c5fd1.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2008

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4900

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:5112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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