4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7

Analysis

max time kernel
19s
max time network
17s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
26-04-2022 03:48

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General

Target

bin.sh
Size

132KB
MD5

59ce0baba11893f90527fc951ac69912
SHA1

5857a7dd621c4c3ebb0b5a3bec915d409f70d39f
SHA256

4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7
SHA512

c5b12797b477e5e5964a78766bb40b1c0d9fdfb8eef1f9aee3df451e3441a40c61d325bf400ba51048811b68e1c70a95f15e4166b7a65a4eca0c624864328647

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

Processes:

cmd.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

4156 NOTEPAD.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

OpenWith.exe

pid process

2336 OpenWith.exe

pid	process
4156	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 21 IoCs

Processes:

OpenWith.exe

pid	process
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe
2336	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

OpenWith.exe

description	pid	process	target process
PID 2336 wrote to memory of 4156	2336	OpenWith.exe	NOTEPAD.EXE
PID 2336 wrote to memory of 4156	2336	OpenWith.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\bin.sh
1⤵
- Modifies registry class
PID:4688

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:2336

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\bin.sh
2⤵
- Opens file in notepad (likely ransom note)
PID:4156

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4156-130-0x0000000000000000-mapping.dmp

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