c5372a2cfea2c0a123f736157ec3c0053801505d0a82f165103730ea4dd19b52

Analysis

max time kernel
164s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 23:11

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General

Target

c5372a2cfea2c0a123f736157ec3c0053801505d0a82f165103730ea4dd19b52.dll
Size

878KB
MD5

0f8ab3d9a4bfd0c5ba1c9fce339cf0e0
SHA1

ad09c8ab3524b1048009a2b003d4a6d2d6db8614
SHA256

c5372a2cfea2c0a123f736157ec3c0053801505d0a82f165103730ea4dd19b52
SHA512

eedb241d5735b02b9c422b1eaa174034bd5e011dee30317c370e01f2d91032e14394e505d7c1a67abac462cfa484005738376a81d98f16ba32e7cdfd59a0fc77
SSDEEP

12288:IltImV/IGbTHRQDgo5A98Do/1l/pNz2Z31lpAuvoRbw0je9gqyLEnS+pZZsPqv2I:A3PHR1oORnA3euIEgqyIfKPqHPL

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 2 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\VideoBiosVersion	regsvr32.exe
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-1-5-21-2295526160-1155304984-640977766-1000\Software\Wine	regsvr32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4960	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4960	regsvr32.exe
4960	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 4960	4488	regsvr32.exe	81
PID 4488 wrote to memory of 4960	4488	regsvr32.exe	81
PID 4488 wrote to memory of 4960	4488	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c5372a2cfea2c0a123f736157ec3c0053801505d0a82f165103730ea4dd19b52.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c5372a2cfea2c0a123f736157ec3c0053801505d0a82f165103730ea4dd19b52.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:4960

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/4960-133-0x0000000010000000-0x0000000010242000-memory.dmp

Filesize
2.3MB

Download
memory/4960-134-0x00000000772E0000-0x0000000077483000-memory.dmp

Filesize
1.6MB

Download