c0a2a3708516a321ad2fd68400bef6a3b302af54d6533b5cce6c67b4e13b87d3

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 19:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c0a2a3708516a321ad2fd68400bef6a3b302af54d6533b5cce6c67b4e13b87d3.dll
Size

2.4MB
MD5

6d990709823d9c5c258dad3c0c00507c
SHA1

350a757b21495fd552f306be278ac4d27e222c7a
SHA256

c0a2a3708516a321ad2fd68400bef6a3b302af54d6533b5cce6c67b4e13b87d3
SHA512

78773a3adae22b928421d1afa9953d776263ec251f007a0772758429482b7f969be6e44f19b574e672d66e5d7c39ad7f22266e4e910ac6452a00d8f8b8c36b33

Score

9^/10

evasion trojan

Malware Config

Signatures

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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

Processes:

rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid process

336 rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

pid	process
336	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 880 wrote to memory of 336	880	rundll32.exe	rundll32.exe
PID 880 wrote to memory of 336	880	rundll32.exe	rundll32.exe
PID 880 wrote to memory of 336	880	rundll32.exe	rundll32.exe
PID 880 wrote to memory of 336	880	rundll32.exe	rundll32.exe
PID 880 wrote to memory of 336	880	rundll32.exe	rundll32.exe
PID 880 wrote to memory of 336	880	rundll32.exe	rundll32.exe
PID 880 wrote to memory of 336	880	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0a2a3708516a321ad2fd68400bef6a3b302af54d6533b5cce6c67b4e13b87d3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:880

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0a2a3708516a321ad2fd68400bef6a3b302af54d6533b5cce6c67b4e13b87d3.dll,#1
2⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:336

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/336-54-0x0000000000000000-mapping.dmp

Download
memory/336-55-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/336-56-0x0000000010001000-0x0000000010005000-memory.dmp

Filesize
16KB

Download
memory/336-57-0x0000000077040000-0x00000000771C0000-memory.dmp

Filesize
1.5MB

Download