f627ca4c2c322f15db26152df306bd4f983f0146409b81a4341b9b340c365a16

Analysis

max time kernel
66s
max time network
69s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05-04-2024 12:26

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General

Target

asd100.bin
Size

100KB
MD5

4c6426ac7ef186464ecbb0d81cbfcb1e
SHA1

5a6918eebd9d635e8f632e3ef34e3792b1b5ec13
SHA256

f627ca4c2c322f15db26152df306bd4f983f0146409b81a4341b9b340c365a16
SHA512

5f6dbea410beee80292b16df6fcc767ae6baf058ab4c38fa6a4fc72b7828374af42bd6da094eada2ad006d1a0754f9ff7bdd94c0ef9540e6651729b74fb9ea46
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

Processes:

cmd.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000_Classes\Local Settings	OpenWith.exe

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

Processes:

NOTEPAD.EXE

pid process

3340 NOTEPAD.EXE

pid	process
3340	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

OpenWith.exe

pid	process
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe
2188	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

OpenWith.exe

description	pid	process	target process
PID 2188 wrote to memory of 3340	2188	OpenWith.exe	NOTEPAD.EXE
PID 2188 wrote to memory of 3340	2188	OpenWith.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\asd100.bin
1⤵
- Modifies registry class
PID:3444

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2188

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\asd100.bin
2⤵
- Opens file in notepad (likely ransom note)
PID:3340

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2360

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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