6be4d25bd90b841fd9693a567f1983de0d1c4155a62ee066cf5f1837e75c1b06

Analysis

max time kernel
34s
max time network
16s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
30-06-2024 07:37

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General

Target

R B X 9 5/ai.cfg
Size

44B
MD5

73ed0e22c8cc70ed93dfd0c1b8f81e19
SHA1

f16c87ca3eb393ee34f57fb59781cd37f5963db0
SHA256

db9ec7ae21d140904d44d6e6550c0c964e32ef11c055696b355835905c9c3a53
SHA512

3dbe1fd660c7446c4a70c99cf6bf7909c76cd02ca24930bdeee851da094850b2fd6f6742025d215ce7dbf3348225c0b64d28e3f1ba133bdd9c7beece84d7e54f

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-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cfg_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cfg_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cfg_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\.cfg	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cfg_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cfg_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cfg_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\.cfg\ = "cfg_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2496 AcroRd32.exe
2496 AcroRd32.exe

pid	process
2496	AcroRd32.exe
2496	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2768 wrote to memory of 2344	2768	cmd.exe	rundll32.exe
PID 2768 wrote to memory of 2344	2768	cmd.exe	rundll32.exe
PID 2768 wrote to memory of 2344	2768	cmd.exe	rundll32.exe
PID 2344 wrote to memory of 2496	2344	rundll32.exe	AcroRd32.exe
PID 2344 wrote to memory of 2496	2344	rundll32.exe	AcroRd32.exe
PID 2344 wrote to memory of 2496	2344	rundll32.exe	AcroRd32.exe
PID 2344 wrote to memory of 2496	2344	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\R B X 9 5\ai.cfg"
1⤵
- Suspicious use of WriteProcessMemory
PID:2768

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\R B X 9 5\ai.cfg
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2344

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\R B X 9 5\ai.cfg"
3⤵
- Suspicious use of SetWindowsHookEx
PID:2496

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
62335fd1f459cc29afd65c0f256a8a2a

SHA1
29ade1a54308488e0586c5f4799c8e09cf74772f

SHA256
742b53000a2cad920c0ee5eb0679afdcc658dae823be8649a37322dd825970aa

SHA512
9d15f675367d1125a56333fb01ae824b2b874ba98ae799a9cdd5374e3f27d8c1378d30c790cded569c41d226b423c7229da0734c29c4b0b8e7bc8bb249f73c60

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