c094983226741f872596b3221643cc0c2ea1de96253eca5cd49b32df52df3f46

Analysis

max time kernel
71s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2023, 08:01

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General

Target

image001.gz
Size

4KB
MD5

e7ec5eab039e0482906db65773b4206b
SHA1

0bb672abd4bf19c9040d2f596b8d99ac09caf843
SHA256

c094983226741f872596b3221643cc0c2ea1de96253eca5cd49b32df52df3f46
SHA512

a5a9323eb33c7a25d9be7ea0c1bf61213c9adeab16aaec883bcb4eeec3ce21b80c370767d5dae57e38d6864926f2c5023af2e8e69b3a1883922a23bd7e347361
SSDEEP

96:ZyIym0J4yUPyJdjRJAaXJx409diOzo31uHEKDcimb4ct947LF8rjl:sIyhM6JzGaXJnDo905Ux

Score

3^/10

Malware Config

Signatures

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 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1708	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
1232	OpenWith.exe
1232	OpenWith.exe
1232	OpenWith.exe
1232	OpenWith.exe
1232	OpenWith.exe
1232	OpenWith.exe
1232	OpenWith.exe
1232	OpenWith.exe
1232	OpenWith.exe
1232	OpenWith.exe
1232	OpenWith.exe
1232	OpenWith.exe
1232	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 1708	1232	OpenWith.exe	93
PID 1232 wrote to memory of 1708	1232	OpenWith.exe	93

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\image001.gz
1⤵
- Modifies registry class
PID:2552

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\image001.gz
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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