0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029

Analysis

max time kernel
91s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 09:02

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General

Target

0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe
Size

839KB
MD5

d1a1649bcaf5f66c8e47001b686223ab
SHA1

c6c6335becb2d80faeec1ee05dd185fc6b1c115e
SHA256

0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029
SHA512

d25ff5e8599b8fd47af09b57961f9410925c9db3addc38603bdbbf1974a299dedc15a6def373d90d68d7344e1ed7e2a58bb922a0abd7f05c254bdfc6356d0d4e
SSDEEP

12288:5tb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgar5006A:5tb20pkaCqT5TBWgNQ7ar5006A

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe"	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe

description	pid	process	target process
PID 4864 set thread context of 3660	4864	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe	WerFault.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4896 3660 WerFault.exe WerFault.exe

pid	pid_target	process	target process
4896	3660	WerFault.exe	WerFault.exe

Modifies registry class 2 IoCs

Processes:

0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe

pid	process
4864	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe
4864	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe
4864	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe
4864	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe

pid	process
4864	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe
4864	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe
4864	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe
4864	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid process

2064 OpenWith.exe

pid	process
2064	OpenWith.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe

description	pid	process	target process
PID 4864 wrote to memory of 3660	4864	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe	WerFault.exe
PID 4864 wrote to memory of 3660	4864	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe	WerFault.exe
PID 4864 wrote to memory of 3660	4864	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe	WerFault.exe
PID 4864 wrote to memory of 3660	4864	0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe
"C:\Users\Admin\AppData\Local\Temp\0a53a3956545184321a464360f833aa8c0f3f86033e4c4fb7717ea4fab5d1029.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4864

C:\Windows\SysWOW64\WerFault.exe
"C:\Windows\SysWOW64\WerFault.exe"
2⤵
PID:3660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 80
3⤵
- Program crash
PID:4896

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3660 -ip 3660
1⤵
PID:3552

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3660-132-0x0000000000000000-mapping.dmp

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