9e76faf0f72f77ea429ffbef19d57725a4cada2d7c08f8e856418dce3d6d2b6d

Analysis

max time kernel
148s
max time network
134s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
13/09/2026, 13:09

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General

Target
b81dbc2439873d2a76e44b22c55251243ed2fa6077a7dbfd00a30a7d635ad9a4_post-append.sh
Size 1.4MB
Sample260913-qd4lasthpb
SHA256 9e76faf0f72f77ea429ffbef19d57725a4cada2d7c08f8e856418dce3d6d2b6d
MD5 cbe7b1e9b7960f85c49b9b6fdb1711f6
SHA1 f3cc1634171dee5119d6567388f7280d6a5f8835
SHA512 053e63a2c728e220ad73cda68a070e3668de33f79614ac6e07ec5cf3e20a6240c25f7e135c9a44b69959df8b18a0853ecb9adec0de63005338f0a974e77cb250
SSDEEP 24576:+3JEYrcZTeSITxaPSo30/I64aua9acfAt4gF:peLTcacWI64accfAt4gF
TLSH
T15F65D053FFCBA486ED640A3280E14325B761F76C256347E72A283A74D9A73C33F96614
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
4664	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2912	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\b81dbc2439873d2a76e44b22c55251243ed2fa6077a7dbfd00a30a7d635ad9a4_post-append.sh
1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:4664

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2912

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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