0f931ef68b73d54c7badb15ce19ffe79a9ebb6489ecf86a808cd57b3874404d2

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11-06-2024 18:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

_locales/hu/messages.json
Size

20KB
MD5

5d57350886a8067376f05979bad5803f
SHA1

1f66b368391bfbb130b96a18db2a52ed9813d781
SHA256

ee3e1c94f6ec072af4f95b074c368f42043f5e9be7343d11025ff3653f1f81e8
SHA512

c7655b3870637690dc2dfe0671a4479dd57476d3fcbe1ca6ef14f4b065312323189436ed2cc0901cf6cd6cb8cbb4a3a19bfebc902f26bc4e34741a01800bc7cd
SSDEEP

384:5zx/y1HcKETJYGGoy4KZNke4SjNBgR7acd936bDYOwkfp0IdA:n/y18fYN4hgbwkfHdA

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_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-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2812 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2812 AcroRd32.exe
2812 AcroRd32.exe

pid	process
2812	AcroRd32.exe

pid	process
2812	AcroRd32.exe
2812	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1988 wrote to memory of 2496	1988	cmd.exe	rundll32.exe
PID 1988 wrote to memory of 2496	1988	cmd.exe	rundll32.exe
PID 1988 wrote to memory of 2496	1988	cmd.exe	rundll32.exe
PID 2496 wrote to memory of 2812	2496	rundll32.exe	AcroRd32.exe
PID 2496 wrote to memory of 2812	2496	rundll32.exe	AcroRd32.exe
PID 2496 wrote to memory of 2812	2496	rundll32.exe	AcroRd32.exe
PID 2496 wrote to memory of 2812	2496	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\_locales\hu\messages.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\_locales\hu\messages.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2496

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\_locales\hu\messages.json"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2812

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
e6b1a39b73aea22d4baa71aa4300eff9

SHA1
42a43d7e1ef863f3359b37a9154f03e1853cee01

SHA256
52223a21f237a50c5c1448d995e3a8754dd97defe1762da42a47cc3077f6d1ed

SHA512
83aef15d496ed7be13f5b0425868f1f063fc64bcac4727c3d973acae68ecf1db8b312f571a92ceb9dc6bbe08810c02be8f194574a73ec7cc5eb92b6fbd99a9d9

Download Submit