7da25cc44a6c31bb8da02a6d06e5b96be2adff86bab8c2da55ace12d8bc7a8be

Analysis

geolocation tags

cacanadananorth-americatoronto
max time kernel
898s
max time network
434s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
18/04/2026, 01:32

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
luajit-decomp025/decoder_new.exe
Size 309KB
Sample260418-byb98aev9x
SHA256 7da25cc44a6c31bb8da02a6d06e5b96be2adff86bab8c2da55ace12d8bc7a8be
MD5 77feae2e557b370bd7f380031386097b
SHA1 0f32bc9fe3d61ddd0abe7a4b0490e3f651c90906
SHA512 d6d76e2cb049ce3ec74b4fc9f05b239390f4d14369c837108577592e76117b9b8d8b3fa017d6c6ab219efbbdb806b2ad5fac0c7a6c279e29bae4acadd5dad85d
SSDEEP 6144:Q1db49+rEg024fpLZazEjvE/rbay19tSt4bO2BaDmeBJe59kIN1:QjkArEN249AyE/rbaMct4bO2/V91
TLSH
T19164134132199CD5CAED0A31B8D3CFE247A1BCB91D60D20EB1C5FD3B36386276A5B294
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery upx

Malware Config

Signatures

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral5/memory/4740-2-0x0000000000400000-0x00000000004C1000-memory.dmp	autoit_exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral5/memory/4740-0-0x0000000000400000-0x00000000004C1000-memory.dmp	upx
behavioral5/memory/4740-2-0x0000000000400000-0x00000000004C1000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	decoder_new.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	luajit.exe

Suspicious use of FindShellTrayWindow 14 IoCs

pid	Process
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe

Suspicious use of SendNotifyMessage 14 IoCs

pid	Process
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe
4740	decoder_new.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 4880	4740	decoder_new.exe	84

C:\Users\Admin\AppData\Local\Temp\luajit-decomp025\decoder_new.exe
"C:\Users\Admin\AppData\Local\Temp\luajit-decomp025\decoder_new.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Users\Admin\AppData\Local\Temp\luajit-decomp025\luajit.exe
  luajit -blg test.lua test.asm
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4880

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4740-0-0x0000000000400000-0x00000000004C1000-memory.dmp

Download

memory/4740-1-0x00000000004C0000-0x00000000004C1000-memory.dmp

Download

memory/4740-2-0x0000000000400000-0x00000000004C1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads