ace56fea4b7af878e92fa3caa903c1dd21e0b3b43c96ba114e682afa1c2413ed

Analysis

max time kernel
118s
max time network
125s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 22:18

Target

Blank-Grabber-main/README.md
Size

7KB
MD5

9526a8f5daab4607c86f79793ca7659d
SHA1

7a3d14d9f1164fd52ecbacf3cdf92fecb96bf24a
SHA256

4b82902e290651a98b7512e37ef56ddbd2b141301ed555e20212f3a50332dd17
SHA512

b794ff780e72161a98cac9ebfa50a435c9ff96e955aaf9ca8713a47ff72477fee878062331e7db4898477fd8e2d45cf4396855864fbadfb1ba96e55a8d42dc90
SSDEEP

192:cqHjy5Eh9CKO+Vcj54sbMvengd+fgsz6DEeCExK:cqHjy5Eh9CKhOj54xve6+5z6DEeDxK

Score

3^/10

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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\md_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.md	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\md_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\md_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2680 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2680 AcroRd32.exe
2680 AcroRd32.exe

pid	process
2680	AcroRd32.exe

pid	process
2680	AcroRd32.exe
2680	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1908 wrote to memory of 2764	1908	cmd.exe	rundll32.exe
PID 1908 wrote to memory of 2764	1908	cmd.exe	rundll32.exe
PID 1908 wrote to memory of 2764	1908	cmd.exe	rundll32.exe
PID 2764 wrote to memory of 2680	2764	rundll32.exe	AcroRd32.exe
PID 2764 wrote to memory of 2680	2764	rundll32.exe	AcroRd32.exe
PID 2764 wrote to memory of 2680	2764	rundll32.exe	AcroRd32.exe
PID 2764 wrote to memory of 2680	2764	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Blank-Grabber-main\README.md
1⤵
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Blank-Grabber-main\README.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2764
- - 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\Blank-Grabber-main\README.md"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2680

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
a5032baa573e2a527242333a352b29b5

SHA1
0b5e255f140739225fdf2f5d4177b23c5159b416

SHA256
693ecf32d2d4b75419e8a2ac76ec1989336b165338686b0056bc92e2097d56d8

SHA512
808e9bd3f6646b7f6392bd8a9a5aa84a09304b2f2c5f5c036a0bfad46f213ebde971646e750db79b0ce9de8401e77cca3a2927713d9c5e17e219af6f3326ea8a

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