Analysis
-
max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
14-03-2024 04:10
Behavioral task
behavioral1
Sample
391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe
Resource
win10v2004-20240226-en
General
-
Target
391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe
-
Size
162KB
-
MD5
bd440d2c348b4cc4b6ad75f92d9e1c13
-
SHA1
faafd96ac68278360353c35d0bf3d5a353292f11
-
SHA256
391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5
-
SHA512
8da82f0496b1a7bcb6cf0523858efd7110f1da5320399bc9be7d23cdd9a53716685af5619559265edb858d50e7c9abb1ebb63fa67aca6f06c9869528046d5ea1
-
SSDEEP
3072:Iy1IbCkfer2IsGpQf8oFTO3PfvXdG4pcT+fwfNZi5kSpRIFf34icFQ+d5S:IcxkOTpQ8olO/fvc5T+iNEkJ34igQ+/S
Malware Config
Signatures
-
Lockbit
Ransomware family with multiple variants released since late 2019.
-
Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/640-0-0x0000000000400000-0x000000000042C000-memory.dmp family_lockbit -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2016 640 WerFault.exe 391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exedescription pid process target process PID 640 wrote to memory of 2016 640 391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe WerFault.exe PID 640 wrote to memory of 2016 640 391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe WerFault.exe PID 640 wrote to memory of 2016 640 391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe WerFault.exe PID 640 wrote to memory of 2016 640 391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe WerFault.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe"C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 882⤵
- Program crash
PID:2016