49febd721b50c554167b59bc876a1a261896822096e39357e67cf9ef9dbaaae4

Analysis

max time kernel
140s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
13-06-2024 07:02

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General

Target

Cdx.exe
Size

2.0MB
MD5

eb57e84905bea5e75e717d0edb58a8b6
SHA1

fbd7ed1a3a2c6ed09ddd3675d5b3711b02cc1c02
SHA256

d6a9b164f3e3faa8d75a28f519682d11829a8975f5a88b1357de88a253b67187
SHA512

728b034d71f40ae2afd06058b88755752233d78c73518ef75f08e353f6d8deaee308a93a312dba0e249590019245d848c724481e9333df71ec062f00b0e26727
SSDEEP

49152:Uemhr7hs8FqeS292UE33tsvw1rwG0vbS:UeO728geV92RIK

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-1-5-21-2080292272-204036150-2159171770-1000\Software\Wine Cdx.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Cdx.exe

pid process

4776 Cdx.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Cdx.exe

pid process

4776 Cdx.exe
4776 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-1-5-21-2080292272-204036150-2159171770-1000\Software\Wine	Cdx.exe

pid	process
4776	Cdx.exe

pid	process
4776	Cdx.exe
4776	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:4776

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/4776-0-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-1-0x00000000779B4000-0x00000000779B6000-memory.dmp

Filesize
8KB

Download
memory/4776-7-0x0000000009E90000-0x0000000009E91000-memory.dmp

Filesize
4KB

Download
memory/4776-11-0x0000000000401000-0x000000000045D000-memory.dmp

Filesize
368KB

Download
memory/4776-10-0x0000000009FD0000-0x0000000009FD1000-memory.dmp

Filesize
4KB

Download
memory/4776-9-0x0000000009E70000-0x0000000009E71000-memory.dmp

Filesize
4KB

Download
memory/4776-8-0x0000000009E50000-0x0000000009E51000-memory.dmp

Filesize
4KB

Download
memory/4776-6-0x0000000009E60000-0x0000000009E61000-memory.dmp

Filesize
4KB

Download
memory/4776-5-0x0000000009EB0000-0x0000000009EB1000-memory.dmp

Filesize
4KB

Download
memory/4776-4-0x0000000009EA0000-0x0000000009EA1000-memory.dmp

Filesize
4KB

Download
memory/4776-2-0x0000000009E80000-0x0000000009E81000-memory.dmp

Filesize
4KB

Download
memory/4776-3-0x0000000009E00000-0x0000000009E01000-memory.dmp

Filesize
4KB

Download
memory/4776-12-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-13-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-14-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-15-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-16-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-17-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-18-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-19-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-20-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-21-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-22-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-23-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-24-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-25-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-26-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-27-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-28-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-29-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-30-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-31-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-32-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-33-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download
memory/4776-34-0x0000000000400000-0x0000000000918000-memory.dmp

Filesize
5.1MB

Download