92d28026fc18875893b490f0874773f6e19d45fa8701c60e1995f518ebfb3366

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-09-2024 21:10

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General

Target

RiftInstaller.runtimeconfig.json
Size

267B
MD5

8b76a07345e5edceaddb7159c490cf03
SHA1

55911001e04e99dea946e7f43ce73e7caafadc18
SHA256

e8153794edaeb9e9eaf7db83e4cadcbb7963fe410371b2aac828863934d4fada
SHA512

b643ddf46879d524f0410b0fc57c12a76ff8f982bdd78fed247061e15eef342ed57ad59658ba6b1a0177f59e8b6424a0413d8f8c8785ab603b0ae91496273c06

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

AcroRd32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_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-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2704 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2704 AcroRd32.exe
2704 AcroRd32.exe

pid	process
2704	AcroRd32.exe

pid	process
2704	AcroRd32.exe
2704	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2416 wrote to memory of 2836	2416	cmd.exe	rundll32.exe
PID 2416 wrote to memory of 2836	2416	cmd.exe	rundll32.exe
PID 2416 wrote to memory of 2836	2416	cmd.exe	rundll32.exe
PID 2836 wrote to memory of 2704	2836	rundll32.exe	AcroRd32.exe
PID 2836 wrote to memory of 2704	2836	rundll32.exe	AcroRd32.exe
PID 2836 wrote to memory of 2704	2836	rundll32.exe	AcroRd32.exe
PID 2836 wrote to memory of 2704	2836	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RiftInstaller.runtimeconfig.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2416

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RiftInstaller.runtimeconfig.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2836

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\RiftInstaller.runtimeconfig.json"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
3KB

MD5
e39f118c15b45b1102496202908e4e99

SHA1
155fc938cd63ecc71132ec064d2f79008e7a29aa

SHA256
90aa49952b5962f03d755c4e644075b12261001d620b54fa39be1af2d7740fb8

SHA512
3601ddc24bde6608bc32385079edd6851eacd3ccaeb6bf52b59d626c377648267c52dc92fc48b39213f6bd33f9f47d0f109b1b9c317c5bf8147718d5bf3bf747

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