493d6e26276a443b9533c1b32dc2ddd15d40a39b4d8acd72c90123fc6ac327e3

Analysis

max time kernel
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
12/08/2026, 16:24

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General

Target
Nexus_Spear/Nexus_Spear/client/postbuild.py
Size 6KB
Sample260812-twh9vsbn21
SHA256 493d6e26276a443b9533c1b32dc2ddd15d40a39b4d8acd72c90123fc6ac327e3
MD5 cededa51d6b5bafc95fe18177df551a5
SHA1 77e7d9630bcc5e60a60180d9e572abba2fbe0d2c
SHA512 7b622a22462f88a3be00adba6af94ceb6a0b92c6e06377e2e64b1975498627abe330133eb2fb37c143bfe08d8de346d5ff49e4b32863fe681f9c77fbf2e3e54a
SSDEEP 192:u6QDut4WMRqvvksWXvFEN3R+eVYbMrdNA:u1Dg6ENh+eM
TLSH
T174D1825698C014508393D07D8DC3C962B6AABA2728667918BD9CC16C3F9F31DD1FAE7C
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
4068	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4500	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nexus_Spear\Nexus_Spear\client\postbuild.py
1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:4068

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4500

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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