339fc8af6f291ea1c5db349fc12ef1d4f9f6d0b3823b2e189468d3ac39b5a0ae

Resubmissions

09/08/2026, 00:45

260809-a32v1afn4w7

09/08/2026, 00:10

260809-agkdts1sbv7

Analysis

max time kernel
900s
max time network
536s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260513-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
09/08/2026, 00:45

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General

Target
ConcreteAbyss/ConcreteAbyss/Content/Paks/ConcreteAbyss-Windows.ucas
Size 744.2MB
Sample260809-a32v1afn4w
SHA256 339fc8af6f291ea1c5db349fc12ef1d4f9f6d0b3823b2e189468d3ac39b5a0ae
MD5 f8c6fa0cca6978b6af050a07f67fd1ed
SHA1 5bb1157508f20abb72f8b0a2581ec24e7ee837aa
SHA512 d219b7ef30e7bf288c1fbd65faa84e2104f514127a6d5a2b1afa5462a2236ad626bb08386649beb2ac21643354fea1ea413bc90df5e9644fbb8245b47d40bfa8
SSDEEP 12582912:RWuKUGkYNvJ5waaQq6sC7+b3FIHqHg/hnEbUgsgkgyln9MeMXmXuVacSDxz+N8B:cuKUGkmXTaMs1FIHl/dpgRk54eMXmXCq
TLSH
T12E893383B905CB05D01A163744ABABE22635FC568F9386B3FB91BA1FF9731981D1178C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

execution

Malware Config

Signatures

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
2864	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4948	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ConcreteAbyss\ConcreteAbyss\Content\Paks\ConcreteAbyss-Windows.ucas
1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:2864

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4948

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads