egregor | 14529f9e8a7004dbb7c1a4518ea82f61183e0fbe41ff389addb48eb1e8673828

Analysis

Target

spr3.bat
Size

120B
MD5

0a37d2a3cabd448a356ebdc17db26faa
SHA1

3df10248594f751c1e541842f35148cb5680302d
SHA256

4dc80ea19819e537510fdedff44c7f33be5f57cd651b04358161407e214f72e8
SHA512

a57ebda35176c34809f0ac6fa866256ea551828da0e6a31eafce5438880610164d5f92dfc52f4592d640f2ec566fe1aec319cdcafe48cee9a82936028cf608de

Score

10^/10

Egregor Ransomware
Variant of the Sekhmet ransomware first seen in September 2020.
ransomware egregor

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 884 wrote to memory of 3932	884	cmd.exe	74
PID 884 wrote to memory of 3932	884	cmd.exe	74
PID 3932 wrote to memory of 3888	3932	rundll32.exe	76
PID 3932 wrote to memory of 3888	3932	rundll32.exe	76
PID 3932 wrote to memory of 3888	3932	rundll32.exe	76

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\spr3.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:884
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\b.dll",DllRegisterServer --Password10Char --append="antani" --multiproc
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3932
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\b.dll",DllRegisterServer --Password10Char --append="antani" --multiproc
    3⤵
    PID:3888

memory/3888-2-0x0000000002F50000-0x0000000002F8F000-memory.dmp

Filesize
252KB

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