06a191350f2df652d86e6f602638635dfdc621b3677419560bcefd980bb288d7

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28-04-2024 20:32

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General

Target

data/flutter_assets/AssetManifest.json
Size

807B
MD5

08a8cb061f1ee7b2f890433b058a6c05
SHA1

315a7d58fd6b7a6c6691fde9a81bac5a5ef07af5
SHA256

60d741d8280042fdccc4f3bf311106f9d2df7ff3a730660e9049795ebe82e9d6
SHA512

11d822976fa9280f305fd3e108fcaa725483e26e6fe86e395df9f6212f16eb6b08ebd849ab168e3d1f6c731723c2a41678fa6da764a24c6a6e46a02b39bc2190

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-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_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-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2744 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2744 AcroRd32.exe
2744 AcroRd32.exe

pid	process
2744	AcroRd32.exe

pid	process
2744	AcroRd32.exe
2744	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2880 wrote to memory of 2408	2880	cmd.exe	rundll32.exe
PID 2880 wrote to memory of 2408	2880	cmd.exe	rundll32.exe
PID 2880 wrote to memory of 2408	2880	cmd.exe	rundll32.exe
PID 2408 wrote to memory of 2744	2408	rundll32.exe	AcroRd32.exe
PID 2408 wrote to memory of 2744	2408	rundll32.exe	AcroRd32.exe
PID 2408 wrote to memory of 2744	2408	rundll32.exe	AcroRd32.exe
PID 2408 wrote to memory of 2744	2408	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data\flutter_assets\AssetManifest.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2880

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.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2408

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.json"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2744

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

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Downloads

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

MD5
f42af73abda0dfc5dbd71e9707a93ca2

SHA1
58bd613b34d164452c766d2115a1980d936531bc

SHA256
f61599bb12588712a38e4bcfa02bda972148af810540241c1f07a38a86d9b340

SHA512
166516405e2629db22fb356281e2d86b5edecc78d4d86b09da99d5b2bc2a6738f00eec4c0c841ebea730376cdd468737545d024359b0d830e22f8d300e424e0e

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