ed874977a9ccfa044475af543fc38b84968098aa7d7be722a493b2fa3ce89144

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15/07/2024, 11:30

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General

Target

system/dsetup.dll
Size

548KB
MD5

74056fcc7f6c0730407e1d3d65d0679f
SHA1

842623590186cc7b8c6c1ce1bec0e68043694982
SHA256

0fabb928dba7be1c515ba340ea7808f9d0fdded2cce78946ece58573b15aa439
SHA512

4a5715251b8ad492337b0c0f7553d1ee28d64f4668fa9c478003151e32e7591c92d9c839389f495688925a9156ba0c679a959331fd8c57c72ae1bfdbc595b8a5
SSDEEP

12288:LOZdbzWutLOdYeajKgh8fKwsY9mJtmNWoqJSRJovEIQ:SZ7tSmL2gmSpYns4iQ

Score

9^/10

evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	security.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\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	security.exe

Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-1176886754-713327781-2233697964-1000\Software\Wine	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Software\Wine	security.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3248	rundll32.exe
4932	security.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3248	rundll32.exe
3248	rundll32.exe
3248	rundll32.exe
3248	rundll32.exe
4932	security.exe
4932	security.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4932	security.exe
4932	security.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 3248	4148	rundll32.exe	84
PID 4148 wrote to memory of 3248	4148	rundll32.exe	84
PID 4148 wrote to memory of 3248	4148	rundll32.exe	84
PID 3248 wrote to memory of 4932	3248	rundll32.exe	85
PID 3248 wrote to memory of 4932	3248	rundll32.exe	85
PID 3248 wrote to memory of 4932	3248	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\system\dsetup.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4148
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\system\dsetup.dll,#1
  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
  - Suspicious use of WriteProcessMemory
  PID:3248
- - C:\Users\Admin\AppData\Local\Temp\system\security.exe
    "C:\Users\Admin\AppData\Local\Temp\system\security.exe"
    3⤵
    - 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
    - Suspicious use of SetWindowsHookEx
    PID:4932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/3248-7-0x0000000010000000-0x0000000010135000-memory.dmp

Filesize
1.2MB

Download
memory/3248-1-0x00000000775C4000-0x00000000775C6000-memory.dmp

Filesize
8KB

Download
memory/3248-2-0x0000000010001000-0x0000000010010000-memory.dmp

Filesize
60KB

Download
memory/3248-3-0x0000000010000000-0x0000000010135000-memory.dmp

Filesize
1.2MB

Download
memory/3248-4-0x0000000010000000-0x0000000010135000-memory.dmp

Filesize
1.2MB

Download
memory/3248-0-0x0000000010000000-0x0000000010135000-memory.dmp

Filesize
1.2MB

Download
memory/4932-13-0x0000000000401000-0x000000000049D000-memory.dmp

Filesize
624KB

Download
memory/4932-10-0x0000000004840000-0x0000000004841000-memory.dmp

Filesize
4KB

Download
memory/4932-5-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4932-9-0x0000000004820000-0x0000000004821000-memory.dmp

Filesize
4KB

Download
memory/4932-12-0x0000000004810000-0x0000000004811000-memory.dmp

Filesize
4KB

Download
memory/4932-11-0x00000000047E0000-0x00000000047E1000-memory.dmp

Filesize
4KB

Download
memory/4932-14-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4932-15-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4932-8-0x0000000004800000-0x0000000004802000-memory.dmp

Filesize
8KB

Download
memory/4932-16-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download