c3f250ab11d40bc8e68d90efa095da80a4e2c285d3d04e1c52434158345e2b47

Analysis

max time kernel
26s
max time network
19s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-05-2024 07:01

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General

Target

CVE-2023-38831/.git/hooks/prepare-commit-msg.sample
Size

1KB
MD5

2b5c047bdb474555e1787db32b2d2fc5
SHA1

2584806ba147152ae005cb675aa4f01d5d068456
SHA256

e9ddcaa4189fddd25ed97fc8c789eca7b6ca16390b2392ae3276f0c8e1aa4619
SHA512

50ec8a0dd98427e80a82a8d8ce44462a845876e1594c9d0e89483ce9a8aaad616edea0e5c45c1bb69d8fe7f520c6f2260d6fa350d77b400899c3ae375e965bfb

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_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sample_auto_file\	rundll32.exe
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	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\sample_auto_file\shell\Read\command	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
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

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2616 AcroRd32.exe
2616 AcroRd32.exe

pid	process
2616	AcroRd32.exe
2616	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1152 wrote to memory of 2952	1152	cmd.exe	rundll32.exe
PID 1152 wrote to memory of 2952	1152	cmd.exe	rundll32.exe
PID 1152 wrote to memory of 2952	1152	cmd.exe	rundll32.exe
PID 2952 wrote to memory of 2616	2952	rundll32.exe	AcroRd32.exe
PID 2952 wrote to memory of 2616	2952	rundll32.exe	AcroRd32.exe
PID 2952 wrote to memory of 2616	2952	rundll32.exe	AcroRd32.exe
PID 2952 wrote to memory of 2616	2952	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\CVE-2023-38831\.git\hooks\prepare-commit-msg.sample
1⤵
- Suspicious use of WriteProcessMemory
PID:1152

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\prepare-commit-msg.sample
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2952

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\prepare-commit-msg.sample"
3⤵
- Suspicious use of SetWindowsHookEx
PID:2616

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

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Downloads

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

MD5
c6da167f25858f42dc3f4ac3322d0596

SHA1
991a37e0b462a2067939656f8ddb3eba2df3c087

SHA256
ccb8a24f7526c864c1ae2f92443a29c6b4a07d51caa22354d09ee4ff92355a3e

SHA512
18a1c523d0808df477f6d667aa6ebc84444a81d16ea455e8de10f85d14a3046cdebc70a55105b48717dd5d759eae125439df7857d6a940797c1cccf12b3d6b16

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