e4acd60d437bb5558843e74e76630975c7bcc479484bbee595e34b8a2644b082

Analysis

max time kernel
115s
max time network
201s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
19-02-2022 07:40

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General

Target

sqlite3.dll
Size

630KB
MD5

e477a96c8f2b18d6b5c27bde49c990bf
SHA1

e980c9bf41330d1e5bd04556db4646a0210f7409
SHA256

16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660
SHA512

335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Score

10^/10

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 1396 created 3996 1396 WerFault.exe rundll32.exe

description	pid	process	target process
PID 1396 created 3996	1396	WerFault.exe	rundll32.exe

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1756 3996 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1756	3996	WerFault.exe	rundll32.exe

Checks processor information in registry 2 TTPs 3 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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe
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

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

WerFault.exe

pid process

1756 WerFault.exe
1756 WerFault.exe

pid	process
1756	WerFault.exe
1756	WerFault.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

WerFault.exesvchost.exe

description	pid	process
Token: SeRestorePrivilege	1756	WerFault.exe
Token: SeBackupPrivilege	1756	WerFault.exe
Token: SeShutdownPrivilege	1152	svchost.exe
Token: SeCreatePagefilePrivilege	1152	svchost.exe
Token: SeShutdownPrivilege	1152	svchost.exe
Token: SeCreatePagefilePrivilege	1152	svchost.exe
Token: SeShutdownPrivilege	1152	svchost.exe
Token: SeCreatePagefilePrivilege	1152	svchost.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

rundll32.exeWerFault.exe

description	pid	process	target process
PID 4820 wrote to memory of 3996	4820	rundll32.exe	rundll32.exe
PID 4820 wrote to memory of 3996	4820	rundll32.exe	rundll32.exe
PID 4820 wrote to memory of 3996	4820	rundll32.exe	rundll32.exe
PID 1396 wrote to memory of 3996	1396	WerFault.exe	rundll32.exe
PID 1396 wrote to memory of 3996	1396	WerFault.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\sqlite3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4820

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\sqlite3.dll,#1
2⤵
PID:3996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 600
3⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3996 -ip 3996
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:1396

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1152

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1152-131-0x0000020586820000-0x0000020586830000-memory.dmp

Filesize
64KB

Download
memory/1152-132-0x0000020586880000-0x0000020586890000-memory.dmp

Filesize
64KB

Download
memory/1152-133-0x0000020588F50000-0x0000020588F54000-memory.dmp

Filesize
16KB

Download