159006095b70c203fa8ab54657fb82dbd04c08824fa466c1a22c0811e50ebe9f

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 08:01

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General

Target

CorrectFingerPrint.dll
Size

1.0MB
MD5

c64f79e7a0f23c6688c62ad3afd58ec1
SHA1

f541d55b05206cef8b9c84171ca52ddd64735b52
SHA256

159006095b70c203fa8ab54657fb82dbd04c08824fa466c1a22c0811e50ebe9f
SHA512

118951ac0a457e310c85d3fd7808c112b55965283cf8c78f4a82df34e7c0ce7aed0b8d6e24786fa4a471bf41a9ceaa832550e659a10696afcdad7f7c1552900c
SSDEEP

24576:RlaSdJyQIpJvycxicu9fkzU9FCrQH6OuCgllUOKcNgctxlId:+IMjzvyIicRpoufzUOKkId

Score

9^/10

evasion

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

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-1-5-21-406356229-2805545415-1236085040-1000\Software\Wine	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2348	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2840	2348	WerFault.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2348	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2348	2360	rundll32.exe	28
PID 2360 wrote to memory of 2348	2360	rundll32.exe	28
PID 2360 wrote to memory of 2348	2360	rundll32.exe	28
PID 2360 wrote to memory of 2348	2360	rundll32.exe	28
PID 2360 wrote to memory of 2348	2360	rundll32.exe	28
PID 2360 wrote to memory of 2348	2360	rundll32.exe	28
PID 2360 wrote to memory of 2348	2360	rundll32.exe	28
PID 2348 wrote to memory of 2840	2348	rundll32.exe	29
PID 2348 wrote to memory of 2840	2348	rundll32.exe	29
PID 2348 wrote to memory of 2840	2348	rundll32.exe	29
PID 2348 wrote to memory of 2840	2348	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CorrectFingerPrint.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\CorrectFingerPrint.dll,#1
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 312
    3⤵
    - Program crash
    PID:2840

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

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2348-0-0x0000000010000000-0x0000000010265000-memory.dmp

Filesize
2.4MB

Download
memory/2348-1-0x0000000010000000-0x0000000010265000-memory.dmp

Filesize
2.4MB

Download
memory/2348-2-0x0000000077090000-0x0000000077092000-memory.dmp

Filesize
8KB

Download
memory/2348-3-0x0000000010000000-0x0000000010265000-memory.dmp

Filesize
2.4MB

Download
memory/2348-4-0x0000000010000000-0x0000000010265000-memory.dmp

Filesize
2.4MB

Download
memory/2348-5-0x0000000010000000-0x0000000010265000-memory.dmp

Filesize
2.4MB

Download
memory/2348-6-0x0000000010000000-0x0000000010265000-memory.dmp

Filesize
2.4MB

Download