d8cca32c2f4261b2105be941a6f193b51ecbdf2fa79ed846bc9c7dbb17efb8cd

Analysis

max time kernel
137s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2023 04:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d8cca32c2f4261b2105be941a6f193b51ecbdf2fa79ed846bc9c7dbb17efb8cd.dll
Size

208KB
MD5

150f927e80f301beed5067d68f2e672f
SHA1

545d50d84312c1922416127de43c26723e94c3b9
SHA256

d8cca32c2f4261b2105be941a6f193b51ecbdf2fa79ed846bc9c7dbb17efb8cd
SHA512

5a65f56a1a7ece146ea9a375a9e7cb4547716443071652125d9ddabc2ce62156c398711c79d5fedac179105bedc59231632271de6601e2ac3310723cb5bfa010
SSDEEP

3072:LI6CqRCxffkClZ8Ccn7LQlRw6x+Y3CxT2DtK5jdUuY57:LIDff9D8C6XYRw6MT2DEj

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{794E4F33-439C-4A90-8F27-11A37CB275CF}.catalogItem	svchost.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4528 4912 WerFault.exe rundll32.exe

pid	pid_target	process	target process
4528	4912	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:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2288 wrote to memory of 4912	2288	rundll32.exe	rundll32.exe
PID 2288 wrote to memory of 4912	2288	rundll32.exe	rundll32.exe
PID 2288 wrote to memory of 4912	2288	rundll32.exe	rundll32.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8cca32c2f4261b2105be941a6f193b51ecbdf2fa79ed846bc9c7dbb17efb8cd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2288

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8cca32c2f4261b2105be941a6f193b51ecbdf2fa79ed846bc9c7dbb17efb8cd.dll,#1
2⤵
PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 632
3⤵
- Program crash
PID:4528

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4912 -ip 4912
1⤵
PID:404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads