6ab78854638add0e49f0f38d3acc9a6ab8170b894abbe4a3ff75f9e9cdd56a20

Analysis

max time kernel
101s
max time network
181s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2022 01:17

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General

Target

6ab78854638add0e49f0f38d3acc9a6ab8170b894abbe4a3ff75f9e9cdd56a20.dll
Size

791KB
MD5

5d33cc37d85282a9dc091894161d8680
SHA1

42c7336b1e114c87ddca70d9aa4d5f7758422dc6
SHA256

6ab78854638add0e49f0f38d3acc9a6ab8170b894abbe4a3ff75f9e9cdd56a20
SHA512

6434933e121bced2b462ea42486135e246cdbeda3e4d44a926c67b170abaaf08ea81396bcc4832673e4b5aa05e4826e80b617e6e1b484fa460ed6d2b3b96410c
SSDEEP

12288:1vRIbynUDUBKahiLPTcIjWOb6I9t4lrjArICyeJKwqIGGtpQAHwGGskqGsj6SqaY:Cvru4wZHlvnMKXIn6AHZnqaak

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
4944	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4944	regsvr32.exe
4944	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 4944	4492	regsvr32.exe	81
PID 4492 wrote to memory of 4944	4492	regsvr32.exe	81
PID 4492 wrote to memory of 4944	4492	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6ab78854638add0e49f0f38d3acc9a6ab8170b894abbe4a3ff75f9e9cdd56a20.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4492
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\6ab78854638add0e49f0f38d3acc9a6ab8170b894abbe4a3ff75f9e9cdd56a20.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:4944

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/4944-136-0x0000000010000000-0x00000000101C1000-memory.dmp

Filesize
1.8MB

Download
memory/4944-137-0x0000000002B40000-0x0000000002BDD000-memory.dmp

Filesize
628KB

Download
memory/4944-139-0x0000000010000000-0x00000000101C1000-memory.dmp

Filesize
1.8MB

Download
memory/4944-138-0x0000000077700000-0x00000000778A3000-memory.dmp

Filesize
1.6MB

Download