f3773aa5c6bcd94e1715255e7305a40d749e6eb5f623e5aa26c29b8cec076f13

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
22/11/2022, 01:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f3773aa5c6bcd94e1715255e7305a40d749e6eb5f623e5aa26c29b8cec076f13.exe
Size

522KB
MD5

0c31f3a8feae5131e0df96ef87484427
SHA1

be824cf1843e48d304c7f474f343f897b8d1eb8e
SHA256

f3773aa5c6bcd94e1715255e7305a40d749e6eb5f623e5aa26c29b8cec076f13
SHA512

b0021e4df5ca451ad8016708315df1ded0399b7ff0bcf371dba9d31e264e9fda526705782525e061277bd62a2809d1f9f3ce86a7e17cef906fb5f034276b1d15
SSDEEP

12288:uif3lDOvnEQLeD/+YuPoy18xQqpx8O5PBo:uY4EM62Satqpx8mo

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{FD982978-24DF-4AF4-BD3D-6532BFFB44B7}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{4618EEBF-B294-413C-A80C-16C70AAC68E0}.catalogItem	svchost.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

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

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 2840	1404	f3773aa5c6bcd94e1715255e7305a40d749e6eb5f623e5aa26c29b8cec076f13.exe	75
PID 1404 wrote to memory of 2840	1404	f3773aa5c6bcd94e1715255e7305a40d749e6eb5f623e5aa26c29b8cec076f13.exe	75
PID 1404 wrote to memory of 2840	1404	f3773aa5c6bcd94e1715255e7305a40d749e6eb5f623e5aa26c29b8cec076f13.exe	75
PID 1404 wrote to memory of 3964	1404	f3773aa5c6bcd94e1715255e7305a40d749e6eb5f623e5aa26c29b8cec076f13.exe	76
PID 1404 wrote to memory of 3964	1404	f3773aa5c6bcd94e1715255e7305a40d749e6eb5f623e5aa26c29b8cec076f13.exe	76
PID 1404 wrote to memory of 3964	1404	f3773aa5c6bcd94e1715255e7305a40d749e6eb5f623e5aa26c29b8cec076f13.exe	76

C:\Users\Admin\AppData\Local\Temp\f3773aa5c6bcd94e1715255e7305a40d749e6eb5f623e5aa26c29b8cec076f13.exe
"C:\Users\Admin\AppData\Local\Temp\f3773aa5c6bcd94e1715255e7305a40d749e6eb5f623e5aa26c29b8cec076f13.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Users\Admin\AppData\Local\Temp\f3773aa5c6bcd94e1715255e7305a40d749e6eb5f623e5aa26c29b8cec076f13.exe
  start
  2⤵
  PID:2840
- C:\Users\Admin\AppData\Local\Temp\f3773aa5c6bcd94e1715255e7305a40d749e6eb5f623e5aa26c29b8cec076f13.exe
  watch
  2⤵
  PID:3964

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:3880

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1404-132-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1404-135-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2840-136-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2840-138-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2840-140-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2840-141-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/3964-137-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/3964-139-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/3964-142-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads