b4ed6765d4848e89b7aeee7d71b25686553cd59aeafdae29228d83d9d8f7bff0

Analysis

max time kernel
105s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 20:16

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General

Target

b4ed6765d4848e89b7aeee7d71b25686553cd59aeafdae29228d83d9d8f7bff0.exe
Size

56KB
MD5

83d1b23846870ca87cfc9ca9efd41527
SHA1

1d94ab2339d842527dd7b283e72488504cd5e954
SHA256

b4ed6765d4848e89b7aeee7d71b25686553cd59aeafdae29228d83d9d8f7bff0
SHA512

3a48a0ac384944582aaf0f1ae59fbb29e605b8e1ff28e040c5b31e1540d2a4063564cf3548cd9b5ccb829cf75c7de5a2f7abfbb305d2571ff0f08b5a3590b389
SSDEEP

768://Cc9et/M/57hQ6GceJeTaENag0qSUWPYfIc/Qi3qEBQpApHc:HCcYt/MRlQ6VeJ/LOUpApHc

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	b4ed6765d4848e89b7aeee7d71b25686553cd59aeafdae29228d83d9d8f7bff0.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{E6630F5F-B6DB-4246-B921-8C1A5FB792C4}	b4ed6765d4848e89b7aeee7d71b25686553cd59aeafdae29228d83d9d8f7bff0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{E6630F5F-B6DB-4246-B921-8C1A5FB792C4}\StubPath = "C:\\Windows\\system32\\spoolsvr.exe"	b4ed6765d4848e89b7aeee7d71b25686553cd59aeafdae29228d83d9d8f7bff0.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\spoolsvr.exe	b4ed6765d4848e89b7aeee7d71b25686553cd59aeafdae29228d83d9d8f7bff0.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2224	b4ed6765d4848e89b7aeee7d71b25686553cd59aeafdae29228d83d9d8f7bff0.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	b4ed6765d4848e89b7aeee7d71b25686553cd59aeafdae29228d83d9d8f7bff0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	b4ed6765d4848e89b7aeee7d71b25686553cd59aeafdae29228d83d9d8f7bff0.exe

C:\Users\Admin\AppData\Local\Temp\b4ed6765d4848e89b7aeee7d71b25686553cd59aeafdae29228d83d9d8f7bff0.exe
"C:\Users\Admin\AppData\Local\Temp\b4ed6765d4848e89b7aeee7d71b25686553cd59aeafdae29228d83d9d8f7bff0.exe"
1⤵
- UAC bypass
- Modifies Installed Components in the registry
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2224

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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