Analysis
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max time kernel
95s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06-08-2024 00:44
Static task
static1
Behavioral task
behavioral1
Sample
AcXtrnal.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
AdaptiveCards.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
SetupV4.5.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral4
Sample
SetupV4.5/AddressParser.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
SetupV4.5/Apphlpdm.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral6
Sample
SetupV4.5/appidapi.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
acwow64.dll
Resource
win10v2004-20240802-en
General
-
Target
AcXtrnal.dll
-
Size
84KB
-
MD5
7a8363e16731be3c2c8e19d8cc09c55b
-
SHA1
c91428381a21769b8b0d43ad2ff51ecbf4484148
-
SHA256
74e806ec92105141400a92bd89b1dc17881df02a5014ebb421853a4ddeb90954
-
SHA512
d580d64287ff24d410b47865fb328a57c034890f4f8d3185e50cc9d41523b97f35f088b917c73c4752676242d7bd0be5066e4ea8cef5563fa9c4081aa428bc8b
-
SSDEEP
1536:kvR1FvU175th5AuXKoG1P7fTCUTj/y5BnJAGVrpXn6PO:U817R2JoEDTCUT+9JAGVrpXn6
Malware Config
Signatures
-
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 use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3344 wrote to memory of 1152 3344 rundll32.exe 84 PID 3344 wrote to memory of 1152 3344 rundll32.exe 84 PID 3344 wrote to memory of 1152 3344 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\AcXtrnal.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3344 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\AcXtrnal.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1152
-
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:708