06a191350f2df652d86e6f602638635dfdc621b3677419560bcefd980bb288d7

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
28-04-2024 20:32

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General

Target

data/flutter_assets/assets/animations/success.json
Size

12KB
MD5

36ba0c9961f80adb7c58ef450fbcd79b
SHA1

d8af03f91df9d777bb68a06583d32d2498e0ea87
SHA256

1584e226904a5456af0ceb35d0a1cb57b714d92908ef386b975d75619104a9fd
SHA512

ba4281ac74a54d51942a4813e3fab86d114b335211b77b97e4dc56c7d0a96334940199616eed00c8f0314eaa096e1850dbef4a7f1ed345eaac4bf38ecf44f4a4
SSDEEP

192:NWOEuyrOPSY7nITOOGFCoCOOxOeOYWOoyrO9YGYvjIi00G16k87E71iM:Uec4ITXGAoCXxb8bc4hh6/7Gn

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-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2736 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2736 AcroRd32.exe
2736 AcroRd32.exe

pid	process
2736	AcroRd32.exe

pid	process
2736	AcroRd32.exe
2736	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1888 wrote to memory of 2556	1888	cmd.exe	rundll32.exe
PID 1888 wrote to memory of 2556	1888	cmd.exe	rundll32.exe
PID 1888 wrote to memory of 2556	1888	cmd.exe	rundll32.exe
PID 2556 wrote to memory of 2736	2556	rundll32.exe	AcroRd32.exe
PID 2556 wrote to memory of 2736	2556	rundll32.exe	AcroRd32.exe
PID 2556 wrote to memory of 2736	2556	rundll32.exe	AcroRd32.exe
PID 2556 wrote to memory of 2736	2556	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data\flutter_assets\assets\animations\success.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\data\flutter_assets\assets\animations\success.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2556

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\flutter_assets\assets\animations\success.json"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2736

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
48c77c33a70c31e47ea47a839f7c561e

SHA1
b82e0f13cde66ba0fdec4e80edac8cd78fc7da8a

SHA256
f1fa9474ba62b232b7152cc782350682b2f503efaf23bca5de0ebde2ce1188e0

SHA512
9b63c98c9113c0384ccf17cbb04e49272699cf664ff6cb349b4060edbb86203d710426fd5ee2a20a9bb24ac98b8a6a64294f13f063a6f480e5535a4028945d6a

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