ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
22/09/2023, 06:21

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General

Target

ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6.exe
Size

5.0MB
MD5

66b18409c1168c0474cd1ad291e28b02
SHA1

d399ee4a0aa25478bd3f2fc05f9b1c2998463b96
SHA256

ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6
SHA512

7849763995fc3da52321f2a44cf975c878ff058663ef685c8a46d76aa4d4a366be25ae7ad6ad11f5772122f08de0e6aa56f9cc7d06a961c46605592888c1f177
SSDEEP

98304:g+lrv4mPcxa5ov2Eham552gZopwDxNxXbekjg1tXf4wZPxqmU:djCZp72Eo2tbeks0wZPjU

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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OsttRemoteViewer\shell\open	ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OsttRemoteViewer\ = "OsttRemoteViewer Protocol"	ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OsttRemoteViewer\URL Protocol	ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OsttRemoteViewer\DefaultIcon	ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OsttRemoteViewer\shell	ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OsttRemoteViewer	ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OsttRemoteViewer\DefaultIcon\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\OsttRemtoteViewer\\OsttRemtoteViewer.exe\",1"	ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OsttRemoteViewer\shell\open\command	ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OsttRemoteViewer\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\OsttRemtoteViewer\\OsttRemtoteViewer.exe\" %1"	ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
636	ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6.exe
636	ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6.exe

C:\Users\Admin\AppData\Local\Temp\ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6.exe
"C:\Users\Admin\AppData\Local\Temp\ef1c5f143e19c6c07f3dba1f5a9c6d6203e4f267ddc84e97561dc0a7e6bf9fb6.exe"
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:636

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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