c3f250ab11d40bc8e68d90efa095da80a4e2c285d3d04e1c52434158345e2b47

Analysis

max time kernel
27s
max time network
17s
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

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General

Target

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

896B
MD5

579a3c1e12a1e74a98169175fb913012
SHA1

ee1ed5aad98a435f2020b6de35c173b75d9affac
SHA256

1f74d5e9292979b573ebd59741d46cb93ff391acdd083d340b94370753d92437
SHA512

d6bb7fa747f4625adf1877f546565cbe812ca7dd4168f7e9068e6732555d8737eba549546cf5946649e3f38de82d173aaf9c160a4c9f9445655258b4c5f955eb

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-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sample_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_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-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sample_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sample_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.sample\ = "sample_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sample_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sample_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.sample	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2588 AcroRd32.exe
2588 AcroRd32.exe

pid	process
2588	AcroRd32.exe
2588	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1752 wrote to memory of 2652	1752	cmd.exe	rundll32.exe
PID 1752 wrote to memory of 2652	1752	cmd.exe	rundll32.exe
PID 1752 wrote to memory of 2652	1752	cmd.exe	rundll32.exe
PID 2652 wrote to memory of 2588	2652	rundll32.exe	AcroRd32.exe
PID 2652 wrote to memory of 2588	2652	rundll32.exe	AcroRd32.exe
PID 2652 wrote to memory of 2588	2652	rundll32.exe	AcroRd32.exe
PID 2652 wrote to memory of 2588	2652	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\CVE-2023-38831\.git\hooks\commit-msg.sample
1⤵
- Suspicious use of WriteProcessMemory
PID:1752

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\commit-msg.sample
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2652

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\commit-msg.sample"
3⤵
- Suspicious use of SetWindowsHookEx
PID:2588

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
b1d3798cb21ae28ce19b4990002079bf

SHA1
ecf28e7243a6a1432db0a94eec4b9dcb6c1bb7a8

SHA256
34020df43b188ec73b23b0f174b706d580178ba47d06b2e224aafed7b8009b18

SHA512
72f280982d2ff8392ffbbb0b53fc390853cb944f9e8aa3a3835281d341b8857e3cfac5e5ee3ff9aac694f64cf18b776127266c907ab0cb0d9c726d8d3ada01ec

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