64de0f0d8cc7c92bc996636b0b61e92cfa4fb0dbdddc749694d4a7569d768549

Analysis

max time kernel
103s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 02:56

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General

Target

PCICL32.dll
Size

4.3MB
MD5

f0cefd9e7f166e50837e349c356d61ba
SHA1

cf5c663dba2aaef05fd3fc811c103167facd3839
SHA256

d6420a50055423e9b474baa399bed1c8a087029a1b50519cd2beef114d99ab73
SHA512

e57c93b2962211e9ef1428e7e3f4363591b5a48df0ee8fa758d2cf8e8f7e26c4180cca67f23186896ccdb1427b527009df5a1b29d762f4c47afc69fce91ebacc
SSDEEP

98304:9s0Y+NH6TDo8R5SMC0m9UHl07lNCqU1FzhVS+oIQ:1LNHCDo8RAMCk0/cFlNQ

Score

9^/10

defense_evasion discovery themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

defense_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

Themida packer 5 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral6/memory/116-0-0x0000000011000000-0x0000000011B47000-memory.dmp	themida
behavioral6/memory/116-3-0x0000000011000000-0x0000000011B47000-memory.dmp	themida
behavioral6/memory/116-2-0x0000000011000000-0x0000000011B47000-memory.dmp	themida
behavioral6/memory/116-5-0x0000000011000000-0x0000000011B47000-memory.dmp	themida
behavioral6/memory/116-4-0x0000000011000000-0x0000000011B47000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_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 NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
116	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
116	rundll32.exe
116	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 116	2588	rundll32.exe	87
PID 2588 wrote to memory of 116	2588	rundll32.exe	87
PID 2588 wrote to memory of 116	2588	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICL32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICL32.dll,#1
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:116

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/116-0-0x0000000011000000-0x0000000011B47000-memory.dmp

Filesize
11.3MB

Download
memory/116-1-0x0000000077C34000-0x0000000077C36000-memory.dmp

Filesize
8KB

Download
memory/116-3-0x0000000011000000-0x0000000011B47000-memory.dmp

Filesize
11.3MB

Download
memory/116-2-0x0000000011000000-0x0000000011B47000-memory.dmp

Filesize
11.3MB

Download
memory/116-5-0x0000000011000000-0x0000000011B47000-memory.dmp

Filesize
11.3MB

Download
memory/116-4-0x0000000011000000-0x0000000011B47000-memory.dmp

Filesize
11.3MB

Download