5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9

Analysis

max time kernel
146s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2022 03:15

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General

Target

5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe
Size

185KB
MD5

b992fd6d5f64095b910fa3e31560f978
SHA1

e238be6bb0f7fbe9cf8accf9eb0e7d90c495310a
SHA256

5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9
SHA512

904caf88267da71381d5ca2cc8130d52c0bbf7652892f78157a1573d2e24b70e6673625effa346994653d5129c5a3297034f2532815bf84d639e9e51c81c2a14

Score

10^/10

persistence spyware stealer suricata upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe"	5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe

suricata: ET MALWARE Kazy/Kryptor/Cycbot Trojan Checkin
suricata: ET MALWARE Kazy/Kryptor/Cycbot Trojan Checkin
suricata

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4604-130-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/568-134-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/4604-136-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/4584-140-0x0000000000400000-0x000000000046C000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe

description	pid	process	target process
PID 4604 wrote to memory of 568	4604	5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe	5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe
PID 4604 wrote to memory of 568	4604	5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe	5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe
PID 4604 wrote to memory of 568	4604	5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe	5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe
PID 4604 wrote to memory of 4584	4604	5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe	5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe
PID 4604 wrote to memory of 4584	4604	5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe	5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe
PID 4604 wrote to memory of 4584	4604	5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe	5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe

C:\Users\Admin\AppData\Local\Temp\5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe
"C:\Users\Admin\AppData\Local\Temp\5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of WriteProcessMemory
PID:4604

C:\Users\Admin\AppData\Local\Temp\5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe
C:\Users\Admin\AppData\Local\Temp\5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
2⤵
PID:568

C:\Users\Admin\AppData\Local\Temp\5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe
C:\Users\Admin\AppData\Local\Temp\5673f19682b56a149fe319a37524d75d26b2b92650781b4fce895ed49d814fb9.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
2⤵
PID:4584

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/568-132-0x0000000000000000-mapping.dmp

Download
memory/568-133-0x00000000004C7000-0x00000000004E3000-memory.dmp

Filesize
112KB

Download
memory/568-134-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/568-135-0x00000000004C7000-0x00000000004E3000-memory.dmp

Filesize
112KB

Download
memory/4584-138-0x0000000000000000-mapping.dmp

Download
memory/4584-139-0x0000000000707000-0x0000000000723000-memory.dmp

Filesize
112KB

Download
memory/4584-140-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4584-141-0x0000000000707000-0x0000000000723000-memory.dmp

Filesize
112KB

Download
memory/4604-130-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4604-131-0x00000000004C2000-0x00000000004DE000-memory.dmp

Filesize
112KB

Download
memory/4604-136-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4604-137-0x00000000004C2000-0x00000000004DE000-memory.dmp

Filesize
112KB

Download