0f931ef68b73d54c7badb15ce19ffe79a9ebb6489ecf86a808cd57b3874404d2

Analysis

max time kernel
117s
max time network
124s
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

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General

Target

_locales/id/messages.json
Size

16KB
MD5

28c21902d2c64c58a4a8e3832b51a4be
SHA1

23f8280c9834a1545d6efbc80cf8d45ae622810c
SHA256

8ea024f6497a1a6a17911937f98ffbecd69004afcc39baae474d22db898100cd
SHA512

9fe0d2eb1142e25c749ae63d6fadf296beb9ff27753ee013c71ea52daab8e593be9298565d2e48475e771385f01676bd4f7e6f85dcadb0a81dd1172af052ad39
SSDEEP

192:QGvERLdAtf0ZbqPbhvfRgRXeZwLxJUlI6Gf9EllcS+WKPXisqSphLDnJ+MqhVtj/:Q/otfmGB5gZeZwV6MIlcRYspDJrq7pio

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_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-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2624 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2624 AcroRd32.exe
2624 AcroRd32.exe

pid	process
2624	AcroRd32.exe

pid	process
2624	AcroRd32.exe
2624	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2204 wrote to memory of 2712	2204	cmd.exe	rundll32.exe
PID 2204 wrote to memory of 2712	2204	cmd.exe	rundll32.exe
PID 2204 wrote to memory of 2712	2204	cmd.exe	rundll32.exe
PID 2712 wrote to memory of 2624	2712	rundll32.exe	AcroRd32.exe
PID 2712 wrote to memory of 2624	2712	rundll32.exe	AcroRd32.exe
PID 2712 wrote to memory of 2624	2712	rundll32.exe	AcroRd32.exe
PID 2712 wrote to memory of 2624	2712	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\_locales\id\messages.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2204

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\_locales\id\messages.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2712

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\id\messages.json"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2624

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

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Downloads

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

MD5
59b9afeaf096790d6e264a7b239e2b73

SHA1
7a8886509b9467cf151020088a0478522380a46b

SHA256
07e8f01d31bce9daef7decc46a0ec7ecb9d0e311002f9a9f9eb66ac2f445d6e0

SHA512
b1b3e6ddb4a5b1d95f4b8a81d7a2f9264d03ee7510da860df62132ad8e26dc720cf7ad16201490d27423fa8b2e51331d221ae73c25f30bb7add0ec3e389965f7

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