387ac937bb42cb24530a24a9bd7ab55321eea9bc2f965c62d3ecba8d61e5d26c

Analysis

max time kernel
135s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 07:20

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General

Target

2d257f8ae3898e8ab68726d9008f4474.exe
Size

3.6MB
MD5

2d257f8ae3898e8ab68726d9008f4474
SHA1

61428a36b6dc175ea104c3c9f42a1ba75334df31
SHA256

387ac937bb42cb24530a24a9bd7ab55321eea9bc2f965c62d3ecba8d61e5d26c
SHA512

0cfad75ed7d12a6a49c6f361cadbbe6260aa83b1eacef0959edab2744bee505de4d27646611197b0518a0c4ce7d8ad2505faa511ae96cd91c598382377acceb0
SSDEEP

98304:cB8GZY2Rf6ts+WY51CMrT9hwq8XC0z27ZFsZiLvp:caGZdRf6Hv5U6v8XC2EsZkv

Score

9^/10

bootkit evasion persistence

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__	2d257f8ae3898e8ab68726d9008f4474.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	2d257f8ae3898e8ab68726d9008f4474.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2d257f8ae3898e8ab68726d9008f4474.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-1-5-21-3073191680-435865314-2862784915-1000\Software\Wine	2d257f8ae3898e8ab68726d9008f4474.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	2d257f8ae3898e8ab68726d9008f4474.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2692	2d257f8ae3898e8ab68726d9008f4474.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2692	2d257f8ae3898e8ab68726d9008f4474.exe
2692	2d257f8ae3898e8ab68726d9008f4474.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2692	2d257f8ae3898e8ab68726d9008f4474.exe
2692	2d257f8ae3898e8ab68726d9008f4474.exe

C:\Users\Admin\AppData\Local\Temp\2d257f8ae3898e8ab68726d9008f4474.exe
"C:\Users\Admin\AppData\Local\Temp\2d257f8ae3898e8ab68726d9008f4474.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

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/2692-0-0x0000000000070000-0x0000000000AA6000-memory.dmp

Filesize
10.2MB

Download
memory/2692-1-0x00000000772D4000-0x00000000772D6000-memory.dmp

Filesize
8KB

Download
memory/2692-2-0x00000000050E0000-0x00000000050E1000-memory.dmp

Filesize
4KB

Download
memory/2692-4-0x0000000005190000-0x0000000005191000-memory.dmp

Filesize
4KB

Download
memory/2692-3-0x0000000005160000-0x0000000005161000-memory.dmp

Filesize
4KB

Download
memory/2692-5-0x0000000005080000-0x0000000005081000-memory.dmp

Filesize
4KB

Download
memory/2692-8-0x0000000005150000-0x0000000005151000-memory.dmp

Filesize
4KB

Download
memory/2692-7-0x00000000050B0000-0x00000000050B1000-memory.dmp

Filesize
4KB

Download
memory/2692-10-0x0000000005130000-0x0000000005131000-memory.dmp

Filesize
4KB

Download
memory/2692-9-0x00000000050A0000-0x00000000050A1000-memory.dmp

Filesize
4KB

Download
memory/2692-6-0x00000000050D0000-0x00000000050D2000-memory.dmp

Filesize
8KB

Download
memory/2692-11-0x0000000000070000-0x0000000000AA6000-memory.dmp

Filesize
10.2MB

Download
memory/2692-12-0x0000000005170000-0x0000000005171000-memory.dmp

Filesize
4KB

Download
memory/2692-14-0x00000000050C0000-0x00000000050C1000-memory.dmp

Filesize
4KB

Download
memory/2692-16-0x0000000005180000-0x0000000005181000-memory.dmp

Filesize
4KB

Download
memory/2692-15-0x0000000005090000-0x0000000005091000-memory.dmp

Filesize
4KB

Download
memory/2692-13-0x0000000005120000-0x0000000005121000-memory.dmp

Filesize
4KB

Download
memory/2692-17-0x0000000005210000-0x0000000005211000-memory.dmp

Filesize
4KB

Download
memory/2692-18-0x0000000005110000-0x0000000005111000-memory.dmp

Filesize
4KB

Download
memory/2692-19-0x00000000051D0000-0x00000000051D1000-memory.dmp

Filesize
4KB

Download
memory/2692-20-0x00000000050F0000-0x00000000050F1000-memory.dmp

Filesize
4KB

Download
memory/2692-21-0x00000000052D0000-0x00000000052D2000-memory.dmp

Filesize
8KB

Download
memory/2692-22-0x0000000005320000-0x0000000005322000-memory.dmp

Filesize
8KB

Download
memory/2692-23-0x0000000000070000-0x0000000000AA6000-memory.dmp

Filesize
10.2MB

Download
memory/2692-24-0x0000000005140000-0x0000000005141000-memory.dmp

Filesize
4KB

Download
memory/2692-25-0x0000000000070000-0x0000000000AA6000-memory.dmp

Filesize
10.2MB

Download