16d9f62af1708ebfd613da5aa4f6a4f6ce2f5273c339bbc939b4bbce9b643fd0

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-12-2023 00:15

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General

Target

45a6c57f8a7227958658a32bdaa867f3.dll
Size

2.8MB
MD5

45a6c57f8a7227958658a32bdaa867f3
SHA1

785dd8400ed4489955ffbe332964eac11f69c500
SHA256

16d9f62af1708ebfd613da5aa4f6a4f6ce2f5273c339bbc939b4bbce9b643fd0
SHA512

ad264b2224320a0d100e5821529932ac6682fca1a93e235028bce47883ef365533ab0823e02a746a79ea01d8f883c9459ee3ff778e477b538cf2194142627bba
SSDEEP

49152:m/OuKcIW+edihb7eV2gQiNxXAruSZRzLZhl7yQOQ3ZnpC1d:TuKcRAc2OHAruSZRzLZHzOSZnpCj

Score

9^/10

evasion 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__	rundll32.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\VideoBiosVersion	rundll32.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	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 2180	2052	rundll32.exe	28
PID 2052 wrote to memory of 2180	2052	rundll32.exe	28
PID 2052 wrote to memory of 2180	2052	rundll32.exe	28
PID 2052 wrote to memory of 2180	2052	rundll32.exe	28
PID 2052 wrote to memory of 2180	2052	rundll32.exe	28
PID 2052 wrote to memory of 2180	2052	rundll32.exe	28
PID 2052 wrote to memory of 2180	2052	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\45a6c57f8a7227958658a32bdaa867f3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\45a6c57f8a7227958658a32bdaa867f3.dll,#1
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Checks whether UAC is enabled
  PID:2180

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

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Downloads

memory/2180-0-0x0000000074D40000-0x000000007501B000-memory.dmp

Filesize
2.9MB

Download
memory/2180-1-0x0000000074A60000-0x0000000074D3B000-memory.dmp

Filesize
2.9MB

Download
memory/2180-2-0x0000000074A60000-0x0000000074D3B000-memory.dmp

Filesize
2.9MB

Download
memory/2180-3-0x0000000074D40000-0x000000007501B000-memory.dmp

Filesize
2.9MB

Download
memory/2180-4-0x0000000074A60000-0x0000000074D3B000-memory.dmp

Filesize
2.9MB

Download
memory/2180-5-0x0000000074A60000-0x0000000074D3B000-memory.dmp

Filesize
2.9MB

Download
memory/2180-6-0x0000000074A60000-0x0000000074D3B000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads