Analysis
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max time kernel
28s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
30-03-2023 10:48
Static task
static1
Behavioral task
behavioral1
Sample
orden de ##compra.rar
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
orden de ##compra.rar
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
orden de ##compra.exe
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
orden de ##compra.exe
Resource
win10v2004-20230220-en
General
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Target
orden de ##compra.rar
-
Size
429KB
-
MD5
184ee15738a3057a38833e3b4fbb522a
-
SHA1
a9efde6409144686905e5d3945c26f77a7380bb1
-
SHA256
e3d6bd35558702ac5335dc818b6bb8a576f1ade7c5963667a600ca0a5f3267ec
-
SHA512
54f59ebc7a27c9bf584e5576b6927b6d90237aba7ea81987756688722e59c7ecd81213f66374d27171ff06180e8be0231059ed3d903f52bfcef9fc21242ad3e5
-
SSDEEP
12288:IaQVM8LHmtGdrX0J4maBtiqFnvi7rvUUu9Vd:QVMSrX04BtTFnq7r81v
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 2 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
cmd.exedescription pid process target process PID 1992 wrote to memory of 268 1992 cmd.exe rundll32.exe PID 1992 wrote to memory of 268 1992 cmd.exe rundll32.exe PID 1992 wrote to memory of 268 1992 cmd.exe rundll32.exe
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\orden de ##compra.rar"1⤵
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\orden de ##compra.rar2⤵
- Modifies registry class
PID:268