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
3client32.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
3onedrive.lnk
windows7-x64
3onedrive.lnk
windows10-2004-x64
3pcicapi.dll
windows7-x64
3pcicapi.dll
windows10-2004-x64
3remcmdstub.exe
windows7-x64
3remcmdstub.exe
windows10-2004-x64
3Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
22/03/2025, 04:10
Behavioral task
behavioral1
Sample
AudioCapture.dll
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
AudioCapture.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral3
Sample
PCICHEK.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
PCICHEK.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral5
Sample
PCICL32.dll
Resource
win7-20240729-en
Behavioral task
behavioral6
Sample
PCICL32.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral7
Sample
TCCTL32.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
TCCTL32.dll
Resource
win10v2004-20250313-en
Behavioral task
behavioral9
Sample
client32.exe
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
client32.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral11
Sample
htctl32.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
htctl32.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral13
Sample
msvcr100.dll
Resource
win7-20241010-en
Behavioral task
behavioral14
Sample
msvcr100.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral15
Sample
onedrive.lnk
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
onedrive.lnk
Resource
win10v2004-20250314-en
Behavioral task
behavioral17
Sample
pcicapi.dll
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
pcicapi.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral19
Sample
remcmdstub.exe
Resource
win7-20241023-en
Behavioral task
behavioral20
Sample
remcmdstub.exe
Resource
win10v2004-20250314-en
General
-
Target
PCICL32.dll
-
Size
4.3MB
-
MD5
38f5bda20188e0c8fc372686401c6b2f
-
SHA1
791443697c65f150ed3faef0d20e6a5aff333d3f
-
SHA256
f721ac18cfef4b6b6c6382481e8f0648fcb0875994889c3bbcad3d076c29733b
-
SHA512
ac6a8ccbf7a1a1c48e53d4fed55af3b8ba1b6baff6b73be15def8d75a86b51e58345ad9500195278ecd21519458d471723342c3ada533a52d41c9800a9b66777
-
SSDEEP
98304:ZF1cku6dhXOSs4sAB+juYzHXKBvbQftxx7ZT1z:5c18KLUTQlPZR
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/2568-0-0x0000000011000000-0x0000000011B58000-memory.dmp themida behavioral5/memory/2568-1-0x0000000011000000-0x0000000011B58000-memory.dmp themida behavioral5/memory/2568-2-0x0000000011000000-0x0000000011B58000-memory.dmp themida behavioral5/memory/2568-3-0x0000000011000000-0x0000000011B58000-memory.dmp themida behavioral5/memory/2568-5-0x0000000011000000-0x0000000011B58000-memory.dmp themida behavioral5/memory/2568-6-0x0000000011000000-0x0000000011B58000-memory.dmp themida behavioral5/memory/2568-8-0x0000000011000000-0x0000000011B58000-memory.dmp themida behavioral5/memory/2568-7-0x0000000011000000-0x0000000011B58000-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 2568 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 2568 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2016 wrote to memory of 2568 2016 rundll32.exe 30 PID 2016 wrote to memory of 2568 2016 rundll32.exe 30 PID 2016 wrote to memory of 2568 2016 rundll32.exe 30 PID 2016 wrote to memory of 2568 2016 rundll32.exe 30 PID 2016 wrote to memory of 2568 2016 rundll32.exe 30 PID 2016 wrote to memory of 2568 2016 rundll32.exe 30 PID 2016 wrote to memory of 2568 2016 rundll32.exe 30
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\PCICL32.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2016 -
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:2568
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