9b56f14d9c10d4b98c15bb6c59688e7bf736403d1b048c38958963862d4590e7

Analysis

max time kernel
215s
max time network
452s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
15/01/2023, 19:12

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General

Target

OBS/Configuration/About/cs-CZ/msimsg.dll
Size

83KB
MD5

ae808047c18271d26328f3dd9c3f3164
SHA1

caf78c53aa4472a7bef7852addad66e60d318f4c
SHA256

1eb044d8695e01f56823fba5b7dbe82adf5ca74aeacc2e0b3678f4bcb0294fab
SHA512

02fc74cb509014e83dc6759199d085bb3f53c92656429b0fcd3209a093f8e1b3e64de5540a6ad1f53a434c88faf871d521ee4b1c44a23cdbd2d0c663567444a7
SSDEEP

768:VQgRiKgSRi5ZOB7dnOO6j/8e0edPrX/w51i4TJH:dRiKgSRiPOBhOjjEe0eAH

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3972	1008	WerFault.exe	70

Checks SCSI registry key(s) 3 TTPs 6 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\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000	dwm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\ConfigFlags	dwm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	dwm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\ConfigFlags	dwm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\HardwareID	dwm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\HardwareID	dwm.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	dwm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwm.exe

Modifies data under HKEY_USERS 18 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	dwm.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeCreateGlobalPrivilege	1548	dwm.exe
Token: SeChangeNotifyPrivilege	1548	dwm.exe
Token: 33	1548	dwm.exe
Token: SeIncBasePriorityPrivilege	1548	dwm.exe
Token: SeShutdownPrivilege	1548	dwm.exe
Token: SeCreatePagefilePrivilege	1548	dwm.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\OBS\Configuration\About\cs-CZ\msimsg.dll,#1
1⤵
PID:3768

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1008 -s 1532
1⤵
- Program crash
PID:3972

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
- Checks SCSI registry key(s)
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1548

Network

MITRE ATT&CK Enterprise v6

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 v6

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