Analysis
- max time kernel
898s - max time network
416s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
21/08/2026, 05:43
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Corz Client.rar
Resource
win11-20260513-en
15 signatures
900 seconds
Behavioral task
behavioral2
Sample
Corz Client/Corz Client.exe
Resource
win11-20260513-en
3 signatures
900 seconds
Behavioral task
behavioral3
Sample
Corz Client/Tutorial.txt
Resource
win11-20260513-en
4 signatures
900 seconds
General
- Target Corz Client/Corz Client.exe
- Size 435KB
- Sample260821-genf2axyf1
- SHA256 1f94d2d02d239105f66688384d2dfe415aed56061dc5dcdba48eed19e885cc22
- MD5 72b04db8d8f33087c10af504fd7a9f6e
- SHA1 72a2554f26f35b035b4ac79e81c4bd02153af295
- SHA512 cd67337b794b92b216eaa10d7c6814e5c4e27186dd75701bdae888fa20c6416540ce498fbe29e480cd05f7c0e03c90eac1f585ae92434a67f7dc3d2b78cabbd3
- SSDEEP 6144:jUE8mRX5BmYv4wEW0xDpALOuj6U+2gOBVvsa7y/ypfZqUkTktd28:jLJ5VEbCLZjTVgKsj/ifZqhTktd
- TLSH T1D994CFD3EE40919BCD7A0B745147B7B4E5BB6FF8F9D800D228E6699A045EC8B017360B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2644 Launcher.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Launcher.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Launcher.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1620 wrote to memory of 2644 1620 Corz Client.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\Corz Client\Corz Client.exe"C:\Users\Admin\AppData\Local\Temp\Corz Client\Corz Client.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Users\Admin\AppData\Local\Temp\7978FD7B\Launcher.exe"C:\Users\Admin\AppData\Local\Temp\7978FD7B\Launcher.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2644
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\7978FD7B\Launcher.exe
- Size 1.1MB
- SHA256 e83b2f3824c5a115e34640298c31fc6d28193a73b5761948fbd619b3d0ea3606
- MD5 5fc8e897a6847d65008913b03b478b17
- SHA1 f60b1111bc666822d25c0289f7d55dc26c61576f
- SHA512 13706810ed8fb835b4d1d09762d88f1bb6c428a6f2020de4b9d62029fcf0c6c79714c6b940c3edc96fe9e0213f9d49aecb2300e61cdb165281fc37bbe6b94b06
- SSDEEP 12288:Gbs/m0E54jwaFXGc8lEBBBHGBKq2IZwDMkvfqItNqdg:GbOVE5ifGPRZwHvf3fd
- TLSH T131357C83E7A385D8C116C9B5534BF137F9627C8E4B157197ABC41E633A67BA4E22CB00
- MD5 SHA1 SHA512 SSDEEP TLSH