aeea81ffcf20e782e8dffcbedacef2e098cc8be09671825fea533a8e28a13f42

Analysis

max time kernel
144s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 11:14

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General

Target

19fa48bc7ff8440268f8899534d6dc61.dll
Size

740KB
MD5

19fa48bc7ff8440268f8899534d6dc61
SHA1

b0b673c4028979896ba8cd6454a14bb665199fb3
SHA256

aeea81ffcf20e782e8dffcbedacef2e098cc8be09671825fea533a8e28a13f42
SHA512

9df6bb95170f9a0d9bb8331098afc565eebf6785cbc777a901926216779eb0b21c9d5541658ab46de012e872b8a7fc3eeb772eb80f4405a4ce90696280d8152d
SSDEEP

12288:MGEueETm04Dider2XNGQx0JFoITTKDKMXsGKEFU+abeycvyPVk2A8juwjY4Jt90:MybmH+BHx0oGm+AFUlQvyPdbb9

Score

9^/10

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__	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-1-5-21-3803511929-1339359695-2191195476-1000\Software\Wine	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Temp = "rundll32.exe C:\\Users\\Admin\\AppData\\Local\\Temp\\19fa48bc7ff8440268f8899534d6dc61.dll,CopyEnhMetaFileA"	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2724	rundll32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2724	rundll32.exe
2724	rundll32.exe
2724	rundll32.exe
2724	rundll32.exe
2724	rundll32.exe
2724	rundll32.exe
2724	rundll32.exe
2724	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2724	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2724	1640	rundll32.exe	14
PID 1640 wrote to memory of 2724	1640	rundll32.exe	14
PID 1640 wrote to memory of 2724	1640	rundll32.exe	14

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\19fa48bc7ff8440268f8899534d6dc61.dll,#1
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Identifies Wine through registry keys
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2724

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\19fa48bc7ff8440268f8899534d6dc61.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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/2724-0-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-1-0x0000000002C10000-0x0000000002CAD000-memory.dmp

Filesize
628KB

Download
memory/2724-2-0x00000000771E4000-0x00000000771E6000-memory.dmp

Filesize
8KB

Download
memory/2724-7-0x0000000004100000-0x0000000004102000-memory.dmp

Filesize
8KB

Download
memory/2724-12-0x00000000041F0000-0x00000000041F1000-memory.dmp

Filesize
4KB

Download
memory/2724-22-0x0000000004160000-0x0000000004161000-memory.dmp

Filesize
4KB

Download
memory/2724-21-0x0000000004140000-0x0000000004141000-memory.dmp

Filesize
4KB

Download
memory/2724-20-0x0000000004070000-0x0000000004071000-memory.dmp

Filesize
4KB

Download
memory/2724-19-0x00000000041E0000-0x00000000041E1000-memory.dmp

Filesize
4KB

Download
memory/2724-18-0x00000000041C0000-0x00000000041C1000-memory.dmp

Filesize
4KB

Download
memory/2724-17-0x00000000040B0000-0x00000000040B1000-memory.dmp

Filesize
4KB

Download
memory/2724-16-0x00000000040F0000-0x00000000040F1000-memory.dmp

Filesize
4KB

Download
memory/2724-15-0x0000000004130000-0x0000000004131000-memory.dmp

Filesize
4KB

Download
memory/2724-14-0x0000000004120000-0x0000000004121000-memory.dmp

Filesize
4KB

Download
memory/2724-13-0x0000000004060000-0x0000000004061000-memory.dmp

Filesize
4KB

Download
memory/2724-11-0x0000000004080000-0x0000000004081000-memory.dmp

Filesize
4KB

Download
memory/2724-10-0x00000000040E0000-0x00000000040E1000-memory.dmp

Filesize
4KB

Download
memory/2724-9-0x0000000004090000-0x0000000004091000-memory.dmp

Filesize
4KB

Download
memory/2724-8-0x00000000040D0000-0x00000000040D1000-memory.dmp

Filesize
4KB

Download
memory/2724-6-0x00000000040A0000-0x00000000040A1000-memory.dmp

Filesize
4KB

Download
memory/2724-5-0x00000000040C0000-0x00000000040C1000-memory.dmp

Filesize
4KB

Download
memory/2724-4-0x0000000004110000-0x0000000004111000-memory.dmp

Filesize
4KB

Download
memory/2724-3-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-23-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-24-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-25-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-26-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-27-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-28-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-29-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-30-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-31-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-32-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-33-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-34-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-35-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-36-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/2724-37-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download