c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

Analysis

max time kernel
135s
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
08/05/2023, 23:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Tar9172.tmp
Size

164KB
MD5

4ff65ad929cd9a367680e0e5b1c08166
SHA1

c0af0d4396bd1f15c45f39d3b849ba444233b3a2
SHA256

c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6
SHA512

f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27
SSDEEP

1536:FUdJXlCUs0Rv0/29TFrJW5ibN/5YJkKCdru2hRIwjYvjCQ9vbmt6t0:FIJXq0Rn5JaJkHru2h2jCEvt2

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-1-5-21-1013461898-3711306144-4198452673-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1748	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
544	OpenWith.exe

Suspicious use of SetWindowsHookEx 17 IoCs

pid	Process
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe
544	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 1748	544	OpenWith.exe	93
PID 544 wrote to memory of 1748	544	OpenWith.exe	93

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Tar9172.tmp
1⤵
- Modifies registry class
PID:4456

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:544
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Tar9172.tmp
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1748

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

Loading Replay Monitor...