867c88b3ca10a3cee73ee5494ebf49dd534787150a647d49ec9fed9f56674a5d

Analysis

max time kernel
91s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
19/10/2022, 22:23

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General

Target

867c88b3ca10a3cee73ee5494ebf49dd534787150a647d49ec9fed9f56674a5d.dll
Size

806KB
MD5

915dfb806d8e7939270c8495ca762a1d
SHA1

be41eb6b9d5bf7cd2f9c6f6df63ea348313eabf2
SHA256

867c88b3ca10a3cee73ee5494ebf49dd534787150a647d49ec9fed9f56674a5d
SHA512

807c0b2e30b17a200444c4b56c95a44b9308d4a5faf4849e81b8f905575a70b987c9bd743168b090ae0d93e5237f3fe9c3877ad07399d24f9d28fc16b86743ad
SSDEEP

24576:hKjJTKU7ML0UeHeCPZhalSQGpzKKvLfx9vCKo0pSFwGSpj:hKjsUQwUehZhB1rDXvNgc

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__	regsvr32.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	regsvr32.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-1-5-21-929662420-1054238289-2961194603-1000\Software\Wine	regsvr32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1948	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1948	regsvr32.exe
1948	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 1948	2576	regsvr32.exe	84
PID 2576 wrote to memory of 1948	2576	regsvr32.exe	84
PID 2576 wrote to memory of 1948	2576	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\867c88b3ca10a3cee73ee5494ebf49dd534787150a647d49ec9fed9f56674a5d.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\867c88b3ca10a3cee73ee5494ebf49dd534787150a647d49ec9fed9f56674a5d.dll
  2⤵
  - 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:1948

Network

MITRE ATT&CK Enterprise v6

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/1948-134-0x0000000000400000-0x00000000005C8000-memory.dmp

Filesize
1.8MB

Download
memory/1948-135-0x0000000001200000-0x000000000129D000-memory.dmp

Filesize
628KB

Download
memory/1948-136-0x00000000777C0000-0x0000000077963000-memory.dmp

Filesize
1.6MB

Download
memory/1948-137-0x00000000777C0000-0x0000000077963000-memory.dmp

Filesize
1.6MB

Download