8a33cc7af2cf926411f45236cb841d1b5ab667aabff7c85c102a0edb2baa2534

Analysis

max time kernel
150s
max time network
30s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
14-05-2023 00:53

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General

Target

Ruler.IRule.deps.json
Size

2KB
MD5

edca4fa4c3129f401809a6c9ae183d02
SHA1

09d8c88ed3a646dc8a27e8711579f365120d767a
SHA256

276998154b098f4e2d24e41b33204ed7b60cbf174baaa8453403705a3e2c755d
SHA512

2f77ca5436704a49bbdef70709d8cf09dc8949cd23dcc6a14772f7beab95a3eae232b0b87d2ce6947f3b8644056e99826373d5ff6801578a7f04fd7d0ed84961

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 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1764 AcroRd32.exe
1764 AcroRd32.exe
1764 AcroRd32.exe

pid	process
1764	AcroRd32.exe
1764	AcroRd32.exe
1764	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1256 wrote to memory of 1680	1256	cmd.exe	rundll32.exe
PID 1256 wrote to memory of 1680	1256	cmd.exe	rundll32.exe
PID 1256 wrote to memory of 1680	1256	cmd.exe	rundll32.exe
PID 1680 wrote to memory of 1764	1680	rundll32.exe	AcroRd32.exe
PID 1680 wrote to memory of 1764	1680	rundll32.exe	AcroRd32.exe
PID 1680 wrote to memory of 1764	1680	rundll32.exe	AcroRd32.exe
PID 1680 wrote to memory of 1764	1680	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Ruler.IRule.deps.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1256

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.deps.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1680

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.deps.json"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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