b411f13d4ab2e8b564683acf97f4ca723ec7c5f3c729475d0951b0e4109039ef

Analysis

max time kernel
155s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
13/04/2023, 08:57

Target

Expression de Letizia GESBERT SESIA.odg
Size

2.1MB
MD5

1d300711bd0bb5c942205f2e9c5c1c3d
SHA1

14e6bb99b189c62125d13ad4c5a6dcb423160d10
SHA256

b411f13d4ab2e8b564683acf97f4ca723ec7c5f3c729475d0951b0e4109039ef
SHA512

45cac9b2ba30a0bb11a7db8a13710f4ee0fbfdca9a3905072a80813a947cb6cd31bd4aa6ea4ba64d43ef99973e9fb991c0a4ca3e0dd0fcdbf6d5a7eb5c4c0c0c
SSDEEP

49152:+2h8tNoqwYovl7eK03sfcDFuRDBhUaMnnaLBiwXMPGijm:+2+tNo8mqK4IXibkBLXKGN

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\odg_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\odg_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.odg\ = "odg_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\odg_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\odg_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\odg_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\odg_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.odg	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 764	832	cmd.exe	29
PID 832 wrote to memory of 764	832	cmd.exe	29
PID 832 wrote to memory of 764	832	cmd.exe	29
PID 764 wrote to memory of 1472	764	rundll32.exe	30
PID 764 wrote to memory of 1472	764	rundll32.exe	30
PID 764 wrote to memory of 1472	764	rundll32.exe	30
PID 764 wrote to memory of 1472	764	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Expression de Letizia GESBERT SESIA.odg"
1⤵
- Suspicious use of WriteProcessMemory
PID:832
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Expression de Letizia GESBERT SESIA.odg
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:764
- - 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\Expression de Letizia GESBERT SESIA.odg"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1472

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact