Overview
overview
10Static
static
7AudioCapture.dll
windows7-x64
3AudioCapture.dll
windows10-2004-x64
3PCICHEK.dll
windows7-x64
3PCICHEK.dll
windows10-2004-x64
3PCICL32.dll
windows7-x64
9PCICL32.dll
windows10-2004-x64
9TCCTL32.dll
windows7-x64
3TCCTL32.dll
windows10-2004-x64
client32.exe
windows7-x64
10client32.exe
windows10-2004-x64
10htctl32.dll
windows7-x64
3htctl32.dll
windows10-2004-x64
3msvcr100.dll
windows7-x64
3msvcr100.dll
windows10-2004-x64
3pcicapi.dll
windows7-x64
3pcicapi.dll
windows10-2004-x64
3remcmdstub.exe
windows7-x64
3remcmdstub.exe
windows10-2004-x64
3Analysis
-
max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-02-2025 18:37
Behavioral task
behavioral1
Sample
AudioCapture.dll
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
AudioCapture.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral3
Sample
PCICHEK.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
PCICHEK.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral5
Sample
PCICL32.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
PCICL32.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
TCCTL32.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
TCCTL32.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral9
Sample
client32.exe
Resource
win7-20240729-en
Behavioral task
behavioral10
Sample
client32.exe
Resource
win10v2004-20250129-en
Behavioral task
behavioral11
Sample
htctl32.dll
Resource
win7-20241010-en
Behavioral task
behavioral12
Sample
htctl32.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
msvcr100.dll
Resource
win7-20241023-en
Behavioral task
behavioral14
Sample
msvcr100.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral15
Sample
pcicapi.dll
Resource
win7-20241010-en
Behavioral task
behavioral16
Sample
pcicapi.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
remcmdstub.exe
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
remcmdstub.exe
Resource
win10v2004-20250129-en
General
-
Target
PCICL32.dll
-
Size
4.3MB
-
MD5
6a8b46d540d96a991cfe141bd60b3def
-
SHA1
6c8ced9543300fe447c1dd2a087bd2fa06e36b5a
-
SHA256
666fe72e982876e732736b410cd0766a0c713293e38424f94f472486876e75a9
-
SHA512
cd64f1557e3247bfe290b24ae61890dd5265ccdc1e7a9baa493eb32c75c80fbf7fdb118803b86b2b57151df4f96c28be4b1663adf2b6d1271dfbe36899fd164e
-
SSDEEP
98304:UbnoAxfwBBnO2Yriq6QtwKPXiJSHe/EXhGGqaa8hlFCS:Ub/xfwBU2wBhPiw+cXhG3aau/V
Malware Config
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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.
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 -
resource yara_rule behavioral5/memory/1244-1-0x0000000011000000-0x0000000011B59000-memory.dmp themida behavioral5/memory/1244-2-0x0000000011000000-0x0000000011B59000-memory.dmp themida behavioral5/memory/1244-3-0x0000000011000000-0x0000000011B59000-memory.dmp themida behavioral5/memory/1244-6-0x0000000011000000-0x0000000011B59000-memory.dmp themida behavioral5/memory/1244-7-0x0000000011000000-0x0000000011B59000-memory.dmp themida behavioral5/memory/1244-5-0x0000000011000000-0x0000000011B59000-memory.dmp themida behavioral5/memory/1244-8-0x0000000011000000-0x0000000011B59000-memory.dmp themida -
Checks whether UAC is enabled 1 TTPs 1 IoCs
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 1244 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1244 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1908 wrote to memory of 1244 1908 rundll32.exe 30 PID 1908 wrote to memory of 1244 1908 rundll32.exe 30 PID 1908 wrote to memory of 1244 1908 rundll32.exe 30 PID 1908 wrote to memory of 1244 1908 rundll32.exe 30 PID 1908 wrote to memory of 1244 1908 rundll32.exe 30 PID 1908 wrote to memory of 1244 1908 rundll32.exe 30 PID 1908 wrote to memory of 1244 1908 rundll32.exe 30
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICL32.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICL32.dll,#12⤵
- 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:1244
-