c3f250ab11d40bc8e68d90efa095da80a4e2c285d3d04e1c52434158345e2b47

Analysis

max time kernel
18s
max time network
16s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-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-applypatch.sample
Size

424B
MD5

054f9ffb8bfe04a599751cc757226dda
SHA1

f208287c1a92525de9f5462e905a9d31de1e2d75
SHA256

e15c5b469ea3e0a695bea6f2c82bcf8e62821074939ddd85b77e0007ff165475
SHA512

cb78aa7e9b9c146e5db65d86dd83f04e2b6942a06fab50c704a0fd900683f3b6ad1164e74afe2f267f6da91cdff0b9ab07713e12cefc6f8d741b5df194f4fda6

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_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-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.sample	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sample_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sample_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sample_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sample_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sample_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.sample\ = "sample_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2688 AcroRd32.exe
2688 AcroRd32.exe

pid	process
2688	AcroRd32.exe
2688	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1952 wrote to memory of 2656	1952	cmd.exe	rundll32.exe
PID 1952 wrote to memory of 2656	1952	cmd.exe	rundll32.exe
PID 1952 wrote to memory of 2656	1952	cmd.exe	rundll32.exe
PID 2656 wrote to memory of 2688	2656	rundll32.exe	AcroRd32.exe
PID 2656 wrote to memory of 2688	2656	rundll32.exe	AcroRd32.exe
PID 2656 wrote to memory of 2688	2656	rundll32.exe	AcroRd32.exe
PID 2656 wrote to memory of 2688	2656	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\CVE-2023-38831\.git\hooks\pre-applypatch.sample
1⤵
- Suspicious use of WriteProcessMemory
PID:1952

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-applypatch.sample
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2656

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-applypatch.sample"
3⤵
- Suspicious use of SetWindowsHookEx
PID:2688

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
fc6d950a594134fb9b106dc97f409524

SHA1
880c2a5271f68bf4c46a0f8ba0605c085e2e8f22

SHA256
add885fa0b43d79a0a776f10c67c9354d99c035c44b9e389890a92c315580777

SHA512
e84f526820fa265e7434d563821d26313afc00b267db2ede68f79801199b6df41dc7faf4603773c308b0d4991be8a829b616b83e71e6330f5d18439acbc6c7a6

Download Submit