c3f250ab11d40bc8e68d90efa095da80a4e2c285d3d04e1c52434158345e2b47

Analysis

max time kernel
44s
max time network
16s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-05-2024 08:59

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General

Target

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

1KB
MD5

2c642152299a94e05ea26eae11993b13
SHA1

a599b773b930ca83dbc3a5c7c13059ac4a6eaedc
SHA256

ecce9c7e04d3f5dd9d8ada81753dd1d549a9634b26770042b58dda00217d086a
SHA512

cc98bbe0e3865e2023af04416e10689e3aecd3f3928cf90c2acc0d3d7306388886779025c8967c8ea198af1f4fe29d16c65d4e1d546c7a8fa513f5ba7df16850

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-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.sample\ = "sample_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sample_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sample_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_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-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sample_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sample_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.sample	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sample_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2580 AcroRd32.exe
2580 AcroRd32.exe

pid	process
2580	AcroRd32.exe
2580	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2876 wrote to memory of 2644	2876	cmd.exe	rundll32.exe
PID 2876 wrote to memory of 2644	2876	cmd.exe	rundll32.exe
PID 2876 wrote to memory of 2644	2876	cmd.exe	rundll32.exe
PID 2644 wrote to memory of 2580	2644	rundll32.exe	AcroRd32.exe
PID 2644 wrote to memory of 2580	2644	rundll32.exe	AcroRd32.exe
PID 2644 wrote to memory of 2580	2644	rundll32.exe	AcroRd32.exe
PID 2644 wrote to memory of 2580	2644	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\CVE-2023-38831\.git\hooks\pre-push.sample
1⤵
- Suspicious use of WriteProcessMemory
PID:2876

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-push.sample
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2644

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-push.sample"
3⤵
- Suspicious use of SetWindowsHookEx
PID:2580

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
186c3526743bd0046a8371fc9bac3277

SHA1
acac60002d8f89aa54c9513830f4f28da3c5fd68

SHA256
712913aa0c8fff717f9899980289095c9069b6e0f14e5a428187eb035addbf66

SHA512
c8bcc69ae43e29cc49ab603215a7d33047bc8d2604d013654ff4bcc3ed621d6cf2a4e79b62ca8c1013aae550802f242e19d387239b395070cfb19e94eb361fa2

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