c6bdb19cce73130173c6eff7961f220359c6006dd9936111eeae25975c26773c

Analysis

max time kernel
150s
max time network
30s
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

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General

Target

LocalizedStrings_ca.json
Size

363KB
MD5

d3caa35aa49c78359359770bf22f8d7d
SHA1

affe6cedc143a3a4c0918d41f622280989805551
SHA256

91356a79c0f8d08b691e783d65db5e8da672630461386daa2360ddf77f9dbd82
SHA512

9ee3e2347a477a4fa4b855fb2f5206b2a96885d23f52db96015cedd06f808a60965c80b5bc3228c6c0607739b7d27179c075d9068e9c6ede6e3ce04e1a46b4a5
SSDEEP

6144:bxQJ3lxL7Qkd8WY4Ln9YtL2reTfglaNzHrJYkDVnh5m2Ein4l+KmzD6BlyESWTdh:bxQJ3lxL7Qkd8WY4hYtL2reTfglaNzHA

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 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_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-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.json	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1692 AcroRd32.exe
1692 AcroRd32.exe
1692 AcroRd32.exe

pid	process
1692	AcroRd32.exe
1692	AcroRd32.exe
1692	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2040 wrote to memory of 1208	2040	cmd.exe	rundll32.exe
PID 2040 wrote to memory of 1208	2040	cmd.exe	rundll32.exe
PID 2040 wrote to memory of 1208	2040	cmd.exe	rundll32.exe
PID 1208 wrote to memory of 1692	1208	rundll32.exe	AcroRd32.exe
PID 1208 wrote to memory of 1692	1208	rundll32.exe	AcroRd32.exe
PID 1208 wrote to memory of 1692	1208	rundll32.exe	AcroRd32.exe
PID 1208 wrote to memory of 1692	1208	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\LocalizedStrings_ca.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\LocalizedStrings_ca.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1208

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_ca.json"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1692

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

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