d1d65a8a10ee7258e2c0c2d43a8180a0faa56c399c76eecd075d053d565a8ddd

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
31-05-2024 18:55

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General

Target

Cdx.exe
Size

2.0MB
MD5

4439cc1740e82b9f3fb33530a6e1e8a6
SHA1

48e54edeaa74bef978331bd8462a6574e3d0082e
SHA256

808df2e63220ea5d4f44e14fc2889aaf5fc4cf4ae4a108483d98b8af731a6996
SHA512

2b356b2fe5bd74e6ddaaa26b8e56c1dc0b8b6d96239169c23c4e8648bae8dc786c1ae65278a3a701fc56f5057920ed067c5021b97090935beff1512a7c70324b
SSDEEP

49152:Hf5mcwBi0TiPVzkFO4gvAro3PGleYWRRgisE3R/4:HfVwB9eRkFDgDeQ/A

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

Processes:

Cdx.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Cdx.exe
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

Cdx.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Cdx.exe
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Cdx.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

Processes:

Cdx.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Wine Cdx.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Cdx.exe

pid process

224 Cdx.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Cdx.exe

pid process

224 Cdx.exe
224 Cdx.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Cdx.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Cdx.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Cdx.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Wine	Cdx.exe

pid	process
224	Cdx.exe

pid	process
224	Cdx.exe
224	Cdx.exe

C:\Users\Admin\AppData\Local\Temp\Cdx.exe
"C:\Users\Admin\AppData\Local\Temp\Cdx.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
PID:224

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/224-0-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-1-0x0000000077134000-0x0000000077136000-memory.dmp

Filesize
8KB

Download
memory/224-11-0x0000000009FC0000-0x0000000009FC1000-memory.dmp

Filesize
4KB

Download
memory/224-10-0x0000000009FD0000-0x0000000009FD1000-memory.dmp

Filesize
4KB

Download
memory/224-9-0x0000000009E70000-0x0000000009E71000-memory.dmp

Filesize
4KB

Download
memory/224-8-0x0000000009E50000-0x0000000009E51000-memory.dmp

Filesize
4KB

Download
memory/224-12-0x0000000000401000-0x000000000045D000-memory.dmp

Filesize
368KB

Download
memory/224-7-0x0000000009E90000-0x0000000009E91000-memory.dmp

Filesize
4KB

Download
memory/224-6-0x0000000009E60000-0x0000000009E61000-memory.dmp

Filesize
4KB

Download
memory/224-5-0x0000000009EB0000-0x0000000009EB1000-memory.dmp

Filesize
4KB

Download
memory/224-4-0x0000000009EA0000-0x0000000009EA1000-memory.dmp

Filesize
4KB

Download
memory/224-3-0x0000000009E00000-0x0000000009E01000-memory.dmp

Filesize
4KB

Download
memory/224-2-0x0000000009E80000-0x0000000009E81000-memory.dmp

Filesize
4KB

Download
memory/224-13-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-14-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-15-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-16-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-17-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-18-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-19-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-20-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-21-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-22-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-23-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-24-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-25-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-26-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-27-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-28-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-29-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-30-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-31-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-32-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-33-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-34-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download
memory/224-35-0x0000000000400000-0x000000000091A000-memory.dmp

Filesize
5.1MB

Download