Analysis
- max time kernel
143s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
08/07/2022, 11:35
General
- Target 21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe
- Size 372KB
- Sample220708-np1yfaebe5
- SHA256 21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6
Score
10/10
Malware Config
Signatures
- Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
- Locky (Osiris variant)
Variant of the Locky ransomware seen in the wild since early 2017.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe"C:\Users\Admin\AppData\Local\Temp\21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe"1⤵
- Suspicious behavior: GetForegroundWindowSpam
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 444 -p 4552 -ip 45521⤵
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4552 -s 5881⤵
- Program crash
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4444-130-0x0000000002F10000-0x0000000002F37000-memory.dmp
memory/4444-131-0x0000000002F10000-0x0000000002F37000-memory.dmp
memory/4444-132-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4444-134-0x0000000003AB0000-0x0000000003AD7000-memory.dmp
memory/4444-135-0x0000000003AB0000-0x0000000003AD7000-memory.dmp