6fc3a08e1d16b56d83cc84de5d31762d0b9a2b11ec01b6e058c37a3010daca03

Analysis

max time kernel
103s
max time network
20s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 22:40

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General

Target

RioInstaller.runtimeconfig.json
Size

340B
MD5

253333997e82f7d44ea8072dfae6db39
SHA1

03b9744e89327431a619505a7c72fd497783d884
SHA256

28329cf08f6505e73806b17558b187c02f0c1c516fe47ebfb7a013d082aaa306
SHA512

56d99039e0fb6305588e9f87361e7e0d5051507bf321ba36619c4d29741f35c27c62f025a52523c9e1c7287aabf1533444330a8cdf840fa5af0fa2241fcb4fc2

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

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

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_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

pid	Process
2748	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2748	AcroRd32.exe
2748	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 3064	2472	cmd.exe	29
PID 2472 wrote to memory of 3064	2472	cmd.exe	29
PID 2472 wrote to memory of 3064	2472	cmd.exe	29
PID 3064 wrote to memory of 2748	3064	rundll32.exe	30
PID 3064 wrote to memory of 2748	3064	rundll32.exe	30
PID 3064 wrote to memory of 2748	3064	rundll32.exe	30
PID 3064 wrote to memory of 2748	3064	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RioInstaller.runtimeconfig.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RioInstaller.runtimeconfig.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3064
- - 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\RioInstaller.runtimeconfig.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2748

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
03970aea00a002d0cc2009974fe8308c

SHA1
dc19b4bdfebd4453e32a157a46f8281da47d5f49

SHA256
281fdd2a77f8159287e984a0e848c881102ebd769e7452606c57b65e55bef722

SHA512
62243f099978886a941d4d94656e295362d8efe2a0fee0371b73b2512a34c21a68cb640fd24eea4d4cab8645d98e74d84193c87c435f712f24d98b6188bbe10c

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