3e8bd6bff3d8c432a60df1f576b7450bc4cb714d9e4ca7203ebe7a25b4c2ebb9

Analysis

max time kernel
60s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 19:15

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General

Target

3e8bd6bff3d8c432a60df1f576b7450bc4cb714d9e4ca7203ebe7a25b4c2ebb9.exe
Size

2.2MB
MD5

d7081cb82caae9f3c92959c8d306bb3d
SHA1

cfa7970fb1e7b8418874c5ea32eb50add5f7ae76
SHA256

3e8bd6bff3d8c432a60df1f576b7450bc4cb714d9e4ca7203ebe7a25b4c2ebb9
SHA512

dd0f5a19d0e51dc2c4be248b64f0092fdccc3b3ca4af0308d634999842c6112eeb7654ee87e7dce338b04a7596af1e16ce7db37d79a7e05ac8dabd96ab4d18e1
SSDEEP

49152:V8YNkq89Zgn45RSSYecp4glp+fjpR9mGYgci6krCRhaqIvk:V5NkqrMRS1pj+9R9uFkrchaC

Score

9^/10

bootkit evasion persistence trojan

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__	3e8bd6bff3d8c432a60df1f576b7450bc4cb714d9e4ca7203ebe7a25b4c2ebb9.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	3e8bd6bff3d8c432a60df1f576b7450bc4cb714d9e4ca7203ebe7a25b4c2ebb9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3e8bd6bff3d8c432a60df1f576b7450bc4cb714d9e4ca7203ebe7a25b4c2ebb9.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Wine	3e8bd6bff3d8c432a60df1f576b7450bc4cb714d9e4ca7203ebe7a25b4c2ebb9.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	3e8bd6bff3d8c432a60df1f576b7450bc4cb714d9e4ca7203ebe7a25b4c2ebb9.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

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	3e8bd6bff3d8c432a60df1f576b7450bc4cb714d9e4ca7203ebe7a25b4c2ebb9.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	3e8bd6bff3d8c432a60df1f576b7450bc4cb714d9e4ca7203ebe7a25b4c2ebb9.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1756	3e8bd6bff3d8c432a60df1f576b7450bc4cb714d9e4ca7203ebe7a25b4c2ebb9.exe
1756	3e8bd6bff3d8c432a60df1f576b7450bc4cb714d9e4ca7203ebe7a25b4c2ebb9.exe

C:\Users\Admin\AppData\Local\Temp\3e8bd6bff3d8c432a60df1f576b7450bc4cb714d9e4ca7203ebe7a25b4c2ebb9.exe
"C:\Users\Admin\AppData\Local\Temp\3e8bd6bff3d8c432a60df1f576b7450bc4cb714d9e4ca7203ebe7a25b4c2ebb9.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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

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Downloads

memory/1756-54-0x0000000000400000-0x0000000000C48000-memory.dmp

Filesize
8.3MB

Download
memory/1756-55-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download
memory/1756-57-0x0000000000400000-0x0000000000C48000-memory.dmp

Filesize
8.3MB

Download
memory/1756-58-0x0000000000400000-0x0000000000C48000-memory.dmp

Filesize
8.3MB

Download
memory/1756-59-0x0000000000400000-0x0000000000C48000-memory.dmp

Filesize
8.3MB

Download
memory/1756-60-0x0000000006E77000-0x0000000006E88000-memory.dmp

Filesize
68KB

Download
memory/1756-61-0x0000000000400000-0x0000000000C48000-memory.dmp

Filesize
8.3MB

Download
memory/1756-62-0x0000000006E77000-0x0000000006E88000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads