8a33cc7af2cf926411f45236cb841d1b5ab667aabff7c85c102a0edb2baa2534

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23-07-2024 05:19

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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-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2836 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2836 AcroRd32.exe
2836 AcroRd32.exe

pid	process
2836	AcroRd32.exe

pid	process
2836	AcroRd32.exe
2836	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2308 wrote to memory of 2428	2308	cmd.exe	rundll32.exe
PID 2308 wrote to memory of 2428	2308	cmd.exe	rundll32.exe
PID 2308 wrote to memory of 2428	2308	cmd.exe	rundll32.exe
PID 2428 wrote to memory of 2836	2428	rundll32.exe	AcroRd32.exe
PID 2428 wrote to memory of 2836	2428	rundll32.exe	AcroRd32.exe
PID 2428 wrote to memory of 2836	2428	rundll32.exe	AcroRd32.exe
PID 2428 wrote to memory of 2836	2428	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:2308

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:2428

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:2836

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
1a322804d813ca79d4bad6f1ce42b8b3

SHA1
76aa394a65b5208f731dc7f9661cd6ca8004b74c

SHA256
eec4880a4e661b723d634663a24b5487990a4ed73752ad9be9d80f25c3201810

SHA512
df8c22b24cf3afaf410550770064cbecf7b8f7301886c5fdb3f1fa92a83a30af2ed3112f55f1791b50aae650f49c8896c21075ef160eb4d2df2cb31eb7b1435c

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