Analysis
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max time kernel
43s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
22-05-2022 14:04
Static task
static1
Behavioral task
behavioral1
Sample
shellcode.bin
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
shellcode.bin
Resource
win10v2004-20220414-en
windows10-2004_x64
0 signatures
0 seconds
General
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Target
shellcode.bin
-
Size
354B
-
MD5
3dd3714c2475f68df25f22972b0daf6b
-
SHA1
4caa405a4d9df21a40f38cac01110724294ad053
-
SHA256
1977de5a672256d048086b075e28afda2c54b4f42bd4de75ecaeceeba699e87e
-
SHA512
06d886bc2e359bafc827ed273160472b37b68d5d550b4e7c3c460fe9024a0715b3c248a076d40639f3019af6e5cf3380da2c68ef7a33ff5f5de56c80e696b67c
Score
3/10
Malware Config
Signatures
-
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-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_Classes\Local Settings rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
cmd.exedescription pid process target process PID 1836 wrote to memory of 1688 1836 cmd.exe rundll32.exe PID 1836 wrote to memory of 1688 1836 cmd.exe rundll32.exe PID 1836 wrote to memory of 1688 1836 cmd.exe rundll32.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\shellcode.bin1⤵
- Suspicious use of WriteProcessMemory
PID:1836 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\shellcode.bin2⤵
- Modifies registry class
PID:1688