37b533a715bd962424dd394cd17b2ecdb74bb08d5c2a629b27ecfd25b586cffa

Analysis

max time kernel
160s
max time network
41s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
31-03-2023 18:52

Target

hra/LLL_Mantis_Data/ScriptingAssemblies.json
Size

3KB
MD5

c9f256c480a1588a6811024e8897bc67
SHA1

43b0292d6bbb452487aedaa0b5eb69807915e4cd
SHA256

6c9fe89c88ad258bc7cc93178a8864ff3d4ef29699a9b5885a1155c9e87ebac7
SHA512

b4a0585200e1a2e413b6edebfc9501b50373bd308ff2285f2dfd50305de77125829fbafd98136144fac13b86ae8750e9eb2beedf0f43c549084dcf077e415a7e

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\json_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
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1340	AcroRd32.exe
1340	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 644	1048	cmd.exe	29
PID 1048 wrote to memory of 644	1048	cmd.exe	29
PID 1048 wrote to memory of 644	1048	cmd.exe	29
PID 644 wrote to memory of 1340	644	rundll32.exe	30
PID 644 wrote to memory of 1340	644	rundll32.exe	30
PID 644 wrote to memory of 1340	644	rundll32.exe	30
PID 644 wrote to memory of 1340	644	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\hra\LLL_Mantis_Data\ScriptingAssemblies.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\hra\LLL_Mantis_Data\ScriptingAssemblies.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:644
- - 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\hra\LLL_Mantis_Data\ScriptingAssemblies.json"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1340

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact