Analysis
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max time kernel
91s -
max time network
99s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
22-08-2024 22:32
Static task
static1
Behavioral task
behavioral1
Sample
FREEBITCOIN (3).exe
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/deviceregister_shared.dll
Resource
win11-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win11-20240802-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win11-20240802-en
General
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Target
$PLUGINSDIR/downloader_nsis_plugin.dll
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Size
1.2MB
-
MD5
f181413906a465fd0dd68cc4a3d98803
-
SHA1
5aa28be48047dd0b672ab98d5e7cbd8260486b4b
-
SHA256
e28ff7b8fc4b1eb2d1f394ce15de2fc031cda58db645038c8c07581c31e79dda
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SHA512
8d0116bcbc3938b2ebdddf77dec87e4b6c872382d20b555571b0bc3e4a35f88d16bc450004f875a8271165b71bdbae5d4d474a5bfda4c7787da63f4325009c25
-
SSDEEP
24576:UtF94NRXKCK8gEM4Vn8rHmAumkpF6sBE:Ut/uXTianGmAumkpFe
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4212 4344 WerFault.exe 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.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 1504 wrote to memory of 4344 1504 rundll32.exe rundll32.exe PID 1504 wrote to memory of 4344 1504 rundll32.exe rundll32.exe PID 1504 wrote to memory of 4344 1504 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloader_nsis_plugin.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloader_nsis_plugin.dll,#12⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 8123⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 4344 -ip 43441⤵