bruteratel | 02898e9b387a8fba7fabadb1b638823d30e41d4b702fcc96e03150dc979b9dd3

Analysis

max time kernel
148s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 01:54

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General

Target

9a775b40ca73cc3e443a236d82a2343d.exe
Size

1.5MB
MD5

9a775b40ca73cc3e443a236d82a2343d
SHA1

f71ee26024ea7773f290f20c00225baa53589298
SHA256

02898e9b387a8fba7fabadb1b638823d30e41d4b702fcc96e03150dc979b9dd3
SHA512

5b1764a9380b5584e3e0dc2cfa507c64833753d3929604aee0505c94341457ee4bced2df7329af6a36cf4ed389b04c61c445d3056f40cf3c37583c070cf5533e
SSDEEP

24576:ZgD8nrZTh61lviX7e0avvYSRmjWEyeqaNXmfoWL/:ZasZ9Iia0mvYixyXmP

Score

10^/10

bruteratel backdoor persistence

Malware Config

Signatures

Brute Ratel C4
A customized command and control framework for red teaming and adversary simulation.
backdoor bruteratel

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\9a775b40ca73cc3e443a236d82a2343d.exe = "C:\\Users\\Admin\\AppData\\9a775b40ca73cc3e443a236d82a2343d.exe"	9a775b40ca73cc3e443a236d82a2343d.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\TypedURLs	9a775b40ca73cc3e443a236d82a2343d.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4000	9a775b40ca73cc3e443a236d82a2343d.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4000	9a775b40ca73cc3e443a236d82a2343d.exe
4000	9a775b40ca73cc3e443a236d82a2343d.exe
4000	9a775b40ca73cc3e443a236d82a2343d.exe

C:\Users\Admin\AppData\Local\Temp\9a775b40ca73cc3e443a236d82a2343d.exe
"C:\Users\Admin\AppData\Local\Temp\9a775b40ca73cc3e443a236d82a2343d.exe"
1⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:4000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4000-0-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/4000-1-0x0000000003580000-0x0000000003581000-memory.dmp

Filesize
4KB

Download
memory/4000-3-0x00000000066D0000-0x00000000066D1000-memory.dmp

Filesize
4KB

Download
memory/4000-4-0x0000000000400000-0x0000000000DB2000-memory.dmp

Filesize
9.7MB

Download
memory/4000-6-0x0000000003580000-0x0000000003581000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads