d03288877f3732a5cc88416b38cc59d3e12ee1367d0ae514f148a49658a0c232

Analysis

max time kernel
253s
max time network
295s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2023 19:52

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General

Target

ljc.sh
Size

1KB
MD5

238af6fec3323e31fd809fda87165fc7
SHA1

8a694450e42ca8cd294715229799c411fbf2ecd8
SHA256

d03288877f3732a5cc88416b38cc59d3e12ee1367d0ae514f148a49658a0c232
SHA512

5760fceec83cf3b18f3fbd3df3b5fb6ec484143355fcef7ea3f2ad17b6da6dc77bab4686100775cba07542ea3527ed1ae1f4850e264a703736a653c062c2ef4a

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-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	OpenWith.exe

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

Processes:

NOTEPAD.EXE

pid process

4680 NOTEPAD.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

OpenWith.exe

pid process

2880 OpenWith.exe

pid	process
4680	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 43 IoCs

Processes:

OpenWith.exe

pid	process
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe
2880	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

OpenWith.exe

description	pid	process	target process
PID 2880 wrote to memory of 4680	2880	OpenWith.exe	NOTEPAD.EXE
PID 2880 wrote to memory of 4680	2880	OpenWith.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ljc.sh
1⤵
- Modifies registry class
PID:1904

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:2880

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\ljc.sh
2⤵
- Opens file in notepad (likely ransom note)
PID:4680

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/4680-132-0x0000000000000000-mapping.dmp

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