c3f250ab11d40bc8e68d90efa095da80a4e2c285d3d04e1c52434158345e2b47

Analysis

max time kernel
18s
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 07:01

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General

Target

CVE-2023-38831/.git/hooks/push-to-checkout.sample
Size

2KB
MD5

c7ab00c7784efeadad3ae9b228d4b4db
SHA1

508240328c8b55f8157c93c43bf5e291e5d2fbcb
SHA256

a53d0741798b287c6dd7afa64aee473f305e65d3f49463bb9d7408ec3b12bf5f
SHA512

586efb6a206f73d8a94561266153a624e2753830bc431a283bed998c46ac00a9df4995ddfd0aa852b1a22b4672c80f2c33cee3fe2e3321e392ff4cef26dbf75e

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-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sample_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sample_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.sample\ = "sample_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sample_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sample_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sample_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sample_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.sample	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2512 AcroRd32.exe
2512 AcroRd32.exe

pid	process
2512	AcroRd32.exe
2512	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1904 wrote to memory of 2636	1904	cmd.exe	rundll32.exe
PID 1904 wrote to memory of 2636	1904	cmd.exe	rundll32.exe
PID 1904 wrote to memory of 2636	1904	cmd.exe	rundll32.exe
PID 2636 wrote to memory of 2512	2636	rundll32.exe	AcroRd32.exe
PID 2636 wrote to memory of 2512	2636	rundll32.exe	AcroRd32.exe
PID 2636 wrote to memory of 2512	2636	rundll32.exe	AcroRd32.exe
PID 2636 wrote to memory of 2512	2636	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\CVE-2023-38831\.git\hooks\push-to-checkout.sample
1⤵
- Suspicious use of WriteProcessMemory
PID:1904

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\push-to-checkout.sample
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2636

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\push-to-checkout.sample"
3⤵
- Suspicious use of SetWindowsHookEx
PID:2512

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
98d344b0659d30c9d63de628daae2066

SHA1
2aaa8b993c6beac59310545ba3f3e882b7967eaa

SHA256
ce37c690d14678028ee35cc31280ec099f1589e6f367c63ddb652a7aa5ceaa81

SHA512
0805160e4d5e0722b16d67e69007605f83d261fa2d1aa1c804955ff14b9635acb008bd6b9618673c457760fe661804fc43f6e367ad134bda73aafa2280d2aee3

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