c6bdb19cce73130173c6eff7961f220359c6006dd9936111eeae25975c26773c

Analysis

max time kernel
150s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
10-06-2023 20:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

LocalizedStrings_cs.json
Size

374KB
MD5

4facc120511ac50049bad4fb890461cd
SHA1

7db3a6be6530c627f0bdd29e9abcd6edac41df81
SHA256

70120b96f0ea9f55ac35a44495eb8a4d51fe18408919bd59934fd2268f1669ee
SHA512

e5d4e95f1cf7dddc81e0b5ad52aac92bf259f9a1b3eaa6401f3e4ef733e1985c17cc7c6db80aa0e882dd13bd75349d74764ffa7f9e20dfa0f49bc82306f62745
SSDEEP

6144:127M/iZgpwyxQTJsAhTdErF7Dj/ubYa0mQ9:12/+pwyxQTJsAhmVmQ9

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 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

984 AcroRd32.exe
984 AcroRd32.exe
984 AcroRd32.exe

pid	process
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1244 wrote to memory of 1156	1244	cmd.exe	rundll32.exe
PID 1244 wrote to memory of 1156	1244	cmd.exe	rundll32.exe
PID 1244 wrote to memory of 1156	1244	cmd.exe	rundll32.exe
PID 1156 wrote to memory of 984	1156	rundll32.exe	AcroRd32.exe
PID 1156 wrote to memory of 984	1156	rundll32.exe	AcroRd32.exe
PID 1156 wrote to memory of 984	1156	rundll32.exe	AcroRd32.exe
PID 1156 wrote to memory of 984	1156	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\LocalizedStrings_cs.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1244

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\LocalizedStrings_cs.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1156

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\LocalizedStrings_cs.json"
3⤵
- Suspicious use of SetWindowsHookEx
PID:984

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads