c3f250ab11d40bc8e68d90efa095da80a4e2c285d3d04e1c52434158345e2b47

Analysis

max time kernel
22s
max time network
15s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-05-2024 08:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

CVE-2023-38831/.git/hooks/pre-rebase.sample
Size

4KB
MD5

56e45f2bcbc8226d2b4200f7c46371bf
SHA1

288efdc0027db4cfd8b7c47c4aeddba09b6ded12
SHA256

4febce867790052338076f4e66cc47efb14879d18097d1d61c8261859eaaa7b3
SHA512

00d21d5d72386c3d9b5a1c36ba85201f730556a8295d4353af54af7892ab81010d42aff209ec1fda61c54e4dda3737cea5fda64f09d40ce5004ae28239565025
SSDEEP

96:vJ7EgXasqXq6zaqK1ep8m5MDVUT2bTEwEWDhG38deyig9yhCLtQH:vJ4gXasI1zaqKwUTHhzeyil4tm

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.sample	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.sample\ = "sample_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sample_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sample_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sample_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sample_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sample_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sample_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2760 AcroRd32.exe
2760 AcroRd32.exe

pid	process
2760	AcroRd32.exe
2760	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 856 wrote to memory of 2580	856	cmd.exe	rundll32.exe
PID 856 wrote to memory of 2580	856	cmd.exe	rundll32.exe
PID 856 wrote to memory of 2580	856	cmd.exe	rundll32.exe
PID 2580 wrote to memory of 2760	2580	rundll32.exe	AcroRd32.exe
PID 2580 wrote to memory of 2760	2580	rundll32.exe	AcroRd32.exe
PID 2580 wrote to memory of 2760	2580	rundll32.exe	AcroRd32.exe
PID 2580 wrote to memory of 2760	2580	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\CVE-2023-38831\.git\hooks\pre-rebase.sample
1⤵
- Suspicious use of WriteProcessMemory
PID:856

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\CVE-2023-38831\.git\hooks\pre-rebase.sample
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2580

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\CVE-2023-38831\.git\hooks\pre-rebase.sample"
3⤵
- Suspicious use of SetWindowsHookEx
PID:2760

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
ccbb28fb22b5dd7f113960173f48cb13

SHA1
33174cd428017438bea26e8a8c3e279262c588c6

SHA256
8edbf686662c7f2358ad1ba700bcc8dc270e09f692e8f8e5044be9d0830c8987

SHA512
b909ffbd5285a6ca81a453ac32ac2b3c6d083a704098cbe7236894bcdd05958817cf4b3615298c1ef3cfa3060eab4ffbfc5d25b86f1d693e1ab1fbd75b36245e

Download Submit