4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc

Analysis

max time kernel
55s
max time network
72s
platform
windows10-2004_x64
resource
win10v2004-20220718-en
resource tags

arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system
submitted
20-07-2022 18:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc.exe
Size

326KB
MD5

6f4ba42f8202789c34ee0f037de67a8d
SHA1

52b37aa38ddeccbc57a5c9656cf4baa76136f57f
SHA256

4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc
SHA512

261185f654263a4632bc2a7b10f20b19131e32f8fa32e5ac3d7609a4815c5e56982bfc1e738da034efa00e54f4b6c5de5738b7165e2cc38eac254e13c1dfcc2b

Score

7^/10

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3444 1672 WerFault.exe 4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc.exe

pid	pid_target	process	target process
3444	1672	WerFault.exe	4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc.exe

description pid process

Token: SeDebugPrivilege 1672 4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc.exe

description	pid	process
Token: SeDebugPrivilege	1672	4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc.exe

C:\Users\Admin\AppData\Local\Temp\4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc.exe
"C:\Users\Admin\AppData\Local\Temp\4e3f66bb2fc5fc5c5d3b59f3fae3833f4ddf43132a014729f7c5061e056a81bc.exe"
1⤵
- Checks BIOS information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:1672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 8624
2⤵
- Program crash
PID:3444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1672 -ip 1672
1⤵
PID:3100

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/1672-130-0x00000000007A0000-0x00000000007F8000-memory.dmp

Filesize
352KB

Download
memory/1672-131-0x000000000ACC0000-0x000000000B264000-memory.dmp

Filesize
5.6MB

Download
memory/1672-132-0x00000000051B0000-0x00000000051B3000-memory.dmp

Filesize
12KB

Download