c4ec12470e6f21093059b9b39eda5df8dff896ac4c8944615c928dd4370a2a9d

Analysis

max time kernel
1392s
max time network
1219s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
03-03-2023 21:43

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General

Target

data.dat
Size

30.0MB
MD5

5b4fe8caa826721d851e10bc7e9b73d0
SHA1

9fd6f1829d6757761d2f875ae6fccc9892a61188
SHA256

a829d08eac5339bd6941a598d09e5402a677ed5d3164ed8a9ffa277b8f6fdb0d
SHA512

64ffde1ac11470ff51249e518fd6983625f105f4dbe1e24ba3ff17f2338a703f458a7bf2b7e7457a76632f9a28c6378c565d83d130572837639b33e735a9eeaf
SSDEEP

6144:7TTSTiTTTSTTTSTiTTTSTTTSTiTTTSTTTSTiTTTSTTTSTiTTTSTTTSTiTTTSTTTq:C

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2164	2404	WerFault.exe	95

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2056	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4632	OpenWith.exe

Suspicious use of SetWindowsHookEx 17 IoCs

pid	Process
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe
4632	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 2056	4632	OpenWith.exe	101
PID 4632 wrote to memory of 2056	4632	OpenWith.exe	101

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data.dat
1⤵
- Modifies registry class
PID:3640

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:4632
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\data.dat
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:2056

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 480 -p 2404 -ip 2404
1⤵
PID:1628

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2404 -s 1780
1⤵
- Program crash
PID:2164

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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