5c28511a37fa39869f2d6fef6f8e9c8e282216823ec401803b649d9b79b84260

Analysis

max time kernel
153s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 12:54

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General

Target

nksl3_logger.exe
Size

2.2MB
MD5

81ea9111c486b134ea63fa0c500579f4
SHA1

0d0fa71f39f888a4692eaa47819f42b868217574
SHA256

92690cf47586af87c63228d63f36f5738c398d3f243dc6bbfe2aea03381250bf
SHA512

41266c626e7202ed5671d39b43a0b1bd16fc2b0453e3aa98fee642b7ccfed666212b1597d8ff068cfa0636b0b72290a9a744cd4003ba5d47a0af30a6dc1339aa
SSDEEP

49152:kfu22WgIny+LDsEZ3Z/1I8H9qWJBZbEswm8KYDhK22xYzFiIe2G7Sw:kuOgkyWNV8yfbx+K22ydul

Score

9^/10

evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	nksl3_logger.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	nksl3_logger.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	nksl3_logger.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4232	nksl3_logger.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4232	nksl3_logger.exe
4232	nksl3_logger.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4232	nksl3_logger.exe

C:\Users\Admin\AppData\Local\Temp\nksl3_logger.exe
"C:\Users\Admin\AppData\Local\Temp\nksl3_logger.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4232

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=772 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:1272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4232-0-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-1-0x0000000077424000-0x0000000077426000-memory.dmp

Filesize
8KB

Download
memory/4232-2-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-3-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-4-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-5-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-6-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-7-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-8-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-9-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-10-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-11-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-12-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-13-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-14-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-15-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download
memory/4232-16-0x0000000000400000-0x0000000000AB5000-memory.dmp

Filesize
6.7MB

Download