24b3e779ce2e9678a01e4732e992c1b0d2771c8bc246d33714ec7352b25208fe

Analysis

max time kernel
118s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
11-04-2023 06:04

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General

Target

ui_chara_db.prc
Size

33KB
MD5

928f4707d6e655753460bfaceea19a3b
SHA1

a9e7f244cd49b8136a71a3f06bd1fe9dd959cdd8
SHA256

24b3e779ce2e9678a01e4732e992c1b0d2771c8bc246d33714ec7352b25208fe
SHA512

72fb4db47a2cf403a36b92bafdeb25689d17f7dd3e477f539b6014e78de0b41829d5f9552781c0304d2625c852fcb2fe45f700745e96502032ee3c1a31a62b24
SSDEEP

384:SNymIR0pRJ5KKYZbcvIqn/l/ltei5HgosIlR:SARkRqKYZbpqnRlteSHgosIlR

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2044	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
1368	OpenWith.exe
1368	OpenWith.exe
1368	OpenWith.exe
1368	OpenWith.exe
1368	OpenWith.exe
1368	OpenWith.exe
1368	OpenWith.exe
1368	OpenWith.exe
1368	OpenWith.exe
1368	OpenWith.exe
1368	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 2044	1368	OpenWith.exe	95
PID 1368 wrote to memory of 2044	1368	OpenWith.exe	95

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ui_chara_db.prc
1⤵
- Modifies registry class
PID:3168

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\ui_chara_db.prc
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:2044

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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