d4d4e49aa62fbba73239f73cd21ddbc35c580ae3228a9aac9480ba48fa9290e3

Analysis

max time kernel
175s
max time network
219s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 17:48

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General

Target

d4d4e49aa62fbba73239f73cd21ddbc35c580ae3228a9aac9480ba48fa9290e3.exe
Size

664KB
MD5

a98d64d13f82766eb1d0665f696f3933
SHA1

313d64f7e325e3b70039e994df796603ae53573e
SHA256

d4d4e49aa62fbba73239f73cd21ddbc35c580ae3228a9aac9480ba48fa9290e3
SHA512

670902c9fa133f10b3b13ced66c849a731212cc8f03c5af1855e6261c327c53e497635bf29e519142df5935664b602127912b276188b540e81a1e91d93bab4c1
SSDEEP

12288:4c4HhXzvqeUBplURU3uxjBhJNNr6WlSON7iosJAlqKlh/hh6K71l0:n4HhDgzeR/DF33nsJCqKJoyD

Score

7^/10

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS 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\SystemBiosVersion	d4d4e49aa62fbba73239f73cd21ddbc35c580ae3228a9aac9480ba48fa9290e3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	d4d4e49aa62fbba73239f73cd21ddbc35c580ae3228a9aac9480ba48fa9290e3.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1280	1616	WerFault.exe	81

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{605C9A38-E48B-9A3C-1269-6B3918D91B90}	d4d4e49aa62fbba73239f73cd21ddbc35c580ae3228a9aac9480ba48fa9290e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{605C9A38-E48B-9A3C-1269-6B3918D91B90}\ = "PSFactoryBuffer"	d4d4e49aa62fbba73239f73cd21ddbc35c580ae3228a9aac9480ba48fa9290e3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{605C9A38-E48B-9A3C-1269-6B3918D91B90}\InProcServer32	d4d4e49aa62fbba73239f73cd21ddbc35c580ae3228a9aac9480ba48fa9290e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{605C9A38-E48B-9A3C-1269-6B3918D91B90}\InProcServer32\ = "C:\\Windows\\SysWOW64\\thumbcache.dll"	d4d4e49aa62fbba73239f73cd21ddbc35c580ae3228a9aac9480ba48fa9290e3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{605C9A38-E48B-9A3C-1269-6B3918D91B90}\InProcServer32\ThreadingModel = "Both"	d4d4e49aa62fbba73239f73cd21ddbc35c580ae3228a9aac9480ba48fa9290e3.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1616	d4d4e49aa62fbba73239f73cd21ddbc35c580ae3228a9aac9480ba48fa9290e3.exe
Token: SeIncBasePriorityPrivilege	1616	d4d4e49aa62fbba73239f73cd21ddbc35c580ae3228a9aac9480ba48fa9290e3.exe

C:\Users\Admin\AppData\Local\Temp\d4d4e49aa62fbba73239f73cd21ddbc35c580ae3228a9aac9480ba48fa9290e3.exe
"C:\Users\Admin\AppData\Local\Temp\d4d4e49aa62fbba73239f73cd21ddbc35c580ae3228a9aac9480ba48fa9290e3.exe"
1⤵
- Checks BIOS information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:1616
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 872
  2⤵
  - Program crash
  PID:1280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 1616 -ip 1616
1⤵
PID:808

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

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Downloads

memory/1616-132-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/1616-134-0x0000000000900000-0x0000000000995000-memory.dmp

Filesize
596KB

Download
memory/1616-139-0x0000000000901000-0x000000000096F000-memory.dmp

Filesize
440KB

Download
memory/1616-140-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/1616-141-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/1616-142-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download