8a33cc7af2cf926411f45236cb841d1b5ab667aabff7c85c102a0edb2baa2534

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
07-07-2024 03:18

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General

Target

Ruler.IRule.runtimeconfig.json
Size

253B
MD5

24e4653829de1022d01cd7ddd26e2f22
SHA1

9160a009cb381e044ba4c63e4435da6bfeb9dc6d
SHA256

ded3aeb5856a11db0b654a785574490cab55839ebfb17efe9e39b89618fc5b91
SHA512

efd4bbba1baec0b47003831510e3aa539db9ef468e0f06ba9d7ba6d0b3800035f7c818d7d90171bfd377ec97d08c4617555bcff635dd83efceb412b1a9cca820

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-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\json_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-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2740 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2740 AcroRd32.exe
2740 AcroRd32.exe

pid	process
2740	AcroRd32.exe

pid	process
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1296 wrote to memory of 2936	1296	cmd.exe	rundll32.exe
PID 1296 wrote to memory of 2936	1296	cmd.exe	rundll32.exe
PID 1296 wrote to memory of 2936	1296	cmd.exe	rundll32.exe
PID 2936 wrote to memory of 2740	2936	rundll32.exe	AcroRd32.exe
PID 2936 wrote to memory of 2740	2936	rundll32.exe	AcroRd32.exe
PID 2936 wrote to memory of 2740	2936	rundll32.exe	AcroRd32.exe
PID 2936 wrote to memory of 2740	2936	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Ruler.IRule.runtimeconfig.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1296

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Ruler.IRule.runtimeconfig.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2936

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\Ruler.IRule.runtimeconfig.json"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
5055d12f5255f2cd2f05c2519cce1216

SHA1
ea4fbb00fe0c96dccb17a8d2ad0db6235620f69c

SHA256
549d252359c06348215cc1c17440e54fb432d50098988479615aa007cc63e060

SHA512
edfa0f1e9f45f945475f816bb2ab7fa634f05c5b13c875b8d4eb1aa222a84004866de6e62ed65b3a5a73790ef4c739f4ac4fc63f2879f7744dcbcf30bdefc066

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