1b475e95186ce2a8843516be389b66a6c53c6b77bdac33ffcf5d00af133e7570

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
30-06-2024 14:21

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General

Target

data/assets/config.json
Size

47B
MD5

664dc416138afccfd6f76633d07ac157
SHA1

91b13dbca6ce1357c6a3c34934b2bb816f754680
SHA256

fa010bcb6fbae39487af17656600f18566d3462432aa4980ddbe5bdf0ad55413
SHA512

5d20388c9f4a698e72ad4f3b887cbebf9db98d1aee9658016b78f48afb245313f4ea8cb490d8301ae9cb0352b38dae45f3abc1a6e487be37d672e43b04d60eab

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-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.json	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2612 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2612 AcroRd32.exe
2612 AcroRd32.exe

pid	process
2612	AcroRd32.exe

pid	process
2612	AcroRd32.exe
2612	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2872 wrote to memory of 2628	2872	cmd.exe	rundll32.exe
PID 2872 wrote to memory of 2628	2872	cmd.exe	rundll32.exe
PID 2872 wrote to memory of 2628	2872	cmd.exe	rundll32.exe
PID 2628 wrote to memory of 2612	2628	rundll32.exe	AcroRd32.exe
PID 2628 wrote to memory of 2612	2628	rundll32.exe	AcroRd32.exe
PID 2628 wrote to memory of 2612	2628	rundll32.exe	AcroRd32.exe
PID 2628 wrote to memory of 2612	2628	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data\assets\config.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2872

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\config.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2628

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\config.json"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2612

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
28efce6e991ecafb6213d2e31f4b3087

SHA1
6abf9b8215bcb0328cb543e547b7a27b381c5903

SHA256
dcd62fbeb84dc8ad53b9a41d374d1706ba8e4a0a88978d9b2ba9c264ed526043

SHA512
f1685e42d4b8edf70f81dabc629d21aa769008ee6f4c54ad1b8dcd77a51af44c5a874b849fee62db90fbb00cfede050acd1629717ef6cf29aa358194854f9656

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