1b475e95186ce2a8843516be389b66a6c53c6b77bdac33ffcf5d00af133e7570

Analysis

max time kernel
120s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 07:38

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General

Target

data/assets/soundboard.json
Size

1KB
MD5

c30ed256257c213dd6253373f9943625
SHA1

710608a26b279117d5e22cefb0f028d18afdd19a
SHA256

76beda061dcdeeff9531a258800e681dd4688e0a99421a3ff8f0a448a6bee54b
SHA512

d3eedd39fc3d164eca55f4ef166594eff26fd6e87eadc39032cacb59a227ff455375bfe90f960ed6c006da5b68a9cba74a2fbbaf6fac9540916adc7a924b3ae9

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2292 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2292 AcroRd32.exe
2292 AcroRd32.exe

pid	process
2292	AcroRd32.exe

pid	process
2292	AcroRd32.exe
2292	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2848 wrote to memory of 2620	2848	cmd.exe	rundll32.exe
PID 2848 wrote to memory of 2620	2848	cmd.exe	rundll32.exe
PID 2848 wrote to memory of 2620	2848	cmd.exe	rundll32.exe
PID 2620 wrote to memory of 2292	2620	rundll32.exe	AcroRd32.exe
PID 2620 wrote to memory of 2292	2620	rundll32.exe	AcroRd32.exe
PID 2620 wrote to memory of 2292	2620	rundll32.exe	AcroRd32.exe
PID 2620 wrote to memory of 2292	2620	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data\assets\soundboard.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2848

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\data\assets\soundboard.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2620

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\data\assets\soundboard.json"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2292

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
1675ab4742ee6c2e0dbb003b9c4db34c

SHA1
f826fe4040092fa75eb7ca3ee12de4b6d6259284

SHA256
98c4e1c4d74a04c60c5576f8e4ce957d571624328dd0e518220f0fc011b6f47b

SHA512
eb0e9a92e15379f4c790ed5173e9c3cc1aeef881215e977509f14e46189667601ddea2a15d2d2d9077bca5de5140d8697a3a22a8ccf4a36e826d08f0d4284d4b

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