dc1f78ae792c7fcbea19849b53c40b6b8ab428f9ed451bec6de3f6f053dee375

Analysis

max time kernel
92s
max time network
67s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
16/05/2023, 21:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

nothing.bin
Size

1023.0MB
MD5

5a91ed4f5bb8aacd274b46fe6fc77334
SHA1

d8d22885c08f43930cf896ddc8001af5ac457f86
SHA256

97471669a066d46555228f3532f232211a27290d0078bd8eb47a5855bdc0ae9c
SHA512

837ac8ac6b20e0179bee8872870761f4ed64d28b355d38016b5688d8c5c207573e7e1bdbfd4e002452606fb183fb2c3af075f4ccf03e1956f6464c13a2d1abd8
SSDEEP

3::

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2088	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 21 IoCs

pid	Process
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe
1780	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 2088	1780	OpenWith.exe	68
PID 1780 wrote to memory of 2088	1780	OpenWith.exe	68

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\nothing.bin
1⤵
- Modifies registry class
PID:1220

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\nothing.bin
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:2088

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4884

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nothing.bin

Filesize
819.7MB

MD5
2bba6238f64c4de7dc5316a944d397c4

SHA1
c1add509ce3e52555a62fd0cba03dfbc44d3a383

SHA256
5fef3d9acde3b39f05a3b76fc826e76be397e4a3a65e85fbf3f2503f61634ab7

SHA512
74e7b2f91c3af1112ba42ac724d2752f3a047db00c3015777c4b0a13bffe59af748bf1f376e7f2c62d216192991515a70acb475dd24ec978bc1d25ee28f05bb9

Download Submit