d0d45a3bc00989d91cde95cc8fba505915ae35fa6cba24d3b158938c18749f51

Analysis

max time kernel
29s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
27-03-2023 13:38

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General

Target

d0d45a3bc00989d91cde95cc8fba505915ae35fa6cba24d3b158938c18749f51.dll
Size

2.5MB
MD5

a31d5556e895cbe1a28f9bd59032b4e1
SHA1

c6e9e5048fde97c700d08397c3ff85c725e2050e
SHA256

d0d45a3bc00989d91cde95cc8fba505915ae35fa6cba24d3b158938c18749f51
SHA512

637cd45f9c1eec75aa4bce5bcab866efce50a60d284354b7ea13d97e7b2aa86beb27c7eb94d1e6c889eac9f38e49caaee0949c4333d6c28b8638384f441f6e84
SSDEEP

49152:EECmPW03EQQfXQPTneDbBk2D21942MNv9bmz55BGxrwa1k3lFpz1:ZFhwGyDK2rXN1b45BG2aIT

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

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

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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Wine	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1980	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1980	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1980	rundll32.exe
Token: SeDebugPrivilege	1980	rundll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1980	rundll32.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1980	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1980	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 1980	1064	rundll32.exe	27
PID 1064 wrote to memory of 1980	1064	rundll32.exe	27
PID 1064 wrote to memory of 1980	1064	rundll32.exe	27
PID 1064 wrote to memory of 1980	1064	rundll32.exe	27
PID 1064 wrote to memory of 1980	1064	rundll32.exe	27
PID 1064 wrote to memory of 1980	1064	rundll32.exe	27
PID 1064 wrote to memory of 1980	1064	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0d45a3bc00989d91cde95cc8fba505915ae35fa6cba24d3b158938c18749f51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0d45a3bc00989d91cde95cc8fba505915ae35fa6cba24d3b158938c18749f51.dll,#1
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1980

Network

MITRE ATT&CK Enterprise v6

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/1980-54-0x0000000010000000-0x000000001066B000-memory.dmp

Filesize
6.4MB

Download
memory/1980-55-0x0000000010000000-0x000000001066B000-memory.dmp

Filesize
6.4MB

Download
memory/1980-56-0x0000000010000000-0x000000001066B000-memory.dmp

Filesize
6.4MB

Download