cd4e3dc246c5f672774bc9aef7afe411a46ed6e84f018d0fd1ebe93df31227e8

Analysis

max time kernel
151s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
15-03-2023 22:00

Target

kml-bumblebee/README.md
Size

44B
MD5

aa3ea5df80fb90d095a0aaa43d12a77b
SHA1

127b385e33440b6074e2e2eb17544caad9a484b8
SHA256

43f520f7775dcb0156da48dead75e8a4df0ea19f5bd29400963de3bb7e4ed0dc
SHA512

f3a12ef7c713d1abe3422bc6825bed956db5081f6ebcdab671c46c862a6a673fed4b3a57d615a7575b1aadf298799ff00e09965cd07dcccc586cd62ccc110a6e

Score

3^/10

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\md_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_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-1-5-21-3948302646-268491222-1934009652-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\md_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.md	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\md_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 520	996	cmd.exe	29
PID 996 wrote to memory of 520	996	cmd.exe	29
PID 996 wrote to memory of 520	996	cmd.exe	29
PID 520 wrote to memory of 1876	520	rundll32.exe	30
PID 520 wrote to memory of 1876	520	rundll32.exe	30
PID 520 wrote to memory of 1876	520	rundll32.exe	30
PID 520 wrote to memory of 1876	520	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\kml-bumblebee\README.md
1⤵
- Suspicious use of WriteProcessMemory
PID:996
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\kml-bumblebee\README.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:520
- - 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\kml-bumblebee\README.md"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1876

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact