500b733cbc1ac73598983140ae1b27cb21d06b4e55b5f6d325e5c56b87d8a82f

General

Target

a28f2e84d613b1c2b632352880d530fe.exe
Size

169KB
MD5

a28f2e84d613b1c2b632352880d530fe
SHA1

6c036e2f942b68b7903cc9c00d185306661d9a43
SHA256

500b733cbc1ac73598983140ae1b27cb21d06b4e55b5f6d325e5c56b87d8a82f
SHA512

421f68ea65192dc8a9ba0be64f47b308b8785a641e9d775590b3d764071e13a0b149f7052e785e44d3e44c6396a16fcc725f759adb94b6ffafc117fba0000ae6

Score

10^/10

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 4984 created 3900 4984 WerFault.exe a28f2e84d613b1c2b632352880d530fe.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4728 3900 WerFault.exe a28f2e84d613b1c2b632352880d530fe.exe

description	pid	process	target process
PID 4984 created 3900	4984	WerFault.exe	a28f2e84d613b1c2b632352880d530fe.exe

pid	pid_target	process	target process
4728	3900	WerFault.exe	a28f2e84d613b1c2b632352880d530fe.exe

Checks processor information in registry 2 TTPs 7 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	WerFault.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe

Modifies data under HKEY_USERS 43 IoCs

Processes:

sihclient.exesvchost.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	sihclient.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Classes\Local Settings\MuiCache	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	sihclient.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	sihclient.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Classes\Local Settings\MuiCache\7\52C64B7E	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	sihclient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	sihclient.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

WerFault.exe

pid process

4728 WerFault.exe
4728 WerFault.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 4728 WerFault.exe
Token: SeBackupPrivilege 4728 WerFault.exe

pid	process
4728	WerFault.exe
4728	WerFault.exe

description	pid	process
Token: SeRestorePrivilege	4728	WerFault.exe
Token: SeBackupPrivilege	4728	WerFault.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WerFault.exe

description	pid	process	target process
PID 4984 wrote to memory of 3900	4984	WerFault.exe	a28f2e84d613b1c2b632352880d530fe.exe
PID 4984 wrote to memory of 3900	4984	WerFault.exe	a28f2e84d613b1c2b632352880d530fe.exe

C:\Users\Admin\AppData\Local\Temp\a28f2e84d613b1c2b632352880d530fe.exe
"C:\Users\Admin\AppData\Local\Temp\a28f2e84d613b1c2b632352880d530fe.exe"
1⤵
PID:3900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 300
2⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4728

C:\Windows\System32\sihclient.exe
C:\Windows\System32\sihclient.exe /cv lX+JvkxKV0GZd+6TsanO5Q.0.2
1⤵
- Modifies data under HKEY_USERS
PID:4972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3900 -ip 3900
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:4984

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
1⤵
- Modifies data under HKEY_USERS
PID:4624

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
1⤵
PID:4636

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/3900-146-0x00000000022C0000-0x00000000022DD000-memory.dmp

Filesize
116KB

Download
memory/4624-147-0x0000027999D60000-0x0000027999D70000-memory.dmp

Filesize
64KB

Download
memory/4624-148-0x0000027999DE0000-0x0000027999DF0000-memory.dmp

Filesize
64KB

Download
memory/4624-149-0x000002799A1B0000-0x000002799A1B4000-memory.dmp

Filesize
16KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads