790f1974f97258058cb57c20787e8a2fcb5c16cca0911719b698580d74e38918

Analysis

max time kernel
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
01/07/2026, 03:31

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General

Target
Plugins/Steamless.Unpacker.Variant31.x64.dll
Size 16KB
Sample260701-d3grlsfv3w
SHA256 790f1974f97258058cb57c20787e8a2fcb5c16cca0911719b698580d74e38918
MD5 8cef9d57f82ed85f390ccd387e21e5a0
SHA1 e9c5eac6488c2467cb601ab534fe1560c9785502
SHA512 8cc15de28e630c69e8d9b1b4b0064bcb7f28588156ec67c9c751da293bff0408f39c20b6dc15b90174748346716967104b25be2e2c57e3965c0a4af42c2f652d
SSDEEP 384:nAZi4/VB2222222Az2QfAog6tc3nqaGsFR:A44tJKWAyi3q+
TLSH
T15272C80666E4532AE9FF1B7968B2470316B9F946FDB1CE1E8C5C808F1F26BD04811B76
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

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	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1828 wrote to memory of 3956	1828	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugins\Steamless.Unpacker.Variant31.x64.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugins\Steamless.Unpacker.Variant31.x64.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3956

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

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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