06a191350f2df652d86e6f602638635dfdc621b3677419560bcefd980bb288d7

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-04-2024 20:32

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General

Target

data/flutter_assets/AssetManifest.bin
Size

878B
MD5

1e1ff85c90c45e8a30105e442db175a9
SHA1

ec7ce4ff53cf57fd1c2ed3dfc6efe17798c9cdab
SHA256

31109090a7363239ef97370e1328f136f58ab0aca9bce27799c67c8c88e03d4e
SHA512

3151dc0d7188fb529b6e75683b98dba7c3bd8b363be242fdd9528bd94f0362c53c127ff2c9accd8043a4ab4ef02b789d504549a085090e3804232d8918472711

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\bin_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2604 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2604 AcroRd32.exe
2604 AcroRd32.exe

pid	process
2604	AcroRd32.exe

pid	process
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2936 wrote to memory of 3004	2936	cmd.exe	rundll32.exe
PID 2936 wrote to memory of 3004	2936	cmd.exe	rundll32.exe
PID 2936 wrote to memory of 3004	2936	cmd.exe	rundll32.exe
PID 3004 wrote to memory of 2604	3004	rundll32.exe	AcroRd32.exe
PID 3004 wrote to memory of 2604	3004	rundll32.exe	AcroRd32.exe
PID 3004 wrote to memory of 2604	3004	rundll32.exe	AcroRd32.exe
PID 3004 wrote to memory of 2604	3004	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data\flutter_assets\AssetManifest.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:2936

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\AssetManifest.bin
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3004

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\AssetManifest.bin"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2604

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
9f76cb2a06a5e93523b03adabd0ad817

SHA1
ff72e9aaa05fa1f07b7b57466b5daa39f7500889

SHA256
33db33db7f5d8ee7c54dabf359212b33ef0da35eb0a44b53b070f282549b97c5

SHA512
b94bbcb61002164da3346518c92e4ca5104fedf6356750b74008e39a293e6cf0ac73948daf6962caa1578779e972e25032202e426bccb08111cd276f1e53cba8

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