General
-
Target
04c9cc0d1577d5ee54a4e2d4dd12f17011d13703cdd0e6efd46718d14fd9aa87.exe
-
Size
27KB
-
Sample
231228-mrs5yacfcj
-
MD5
682ce5d86e8181d1e0a18780a5b158df
-
SHA1
ee4b692b3beea8e0a4cd972ad4dba4595fdf4fb4
-
SHA256
9dbcee8b0f17203c0b122b582b37c72a518536878120f5b7878651da6da37c10
-
SHA512
5f21ed3b15cb6cde5dc137ac39b1400982aebdde9e3d8fe349b74fd9ba1f39a22d9bab166f0c606f290d86c3d578df8e086af567ec1bf79edd4bf59bfd9c9294
-
SSDEEP
384:dsRKN4ZYmcv/rELdMF2CC5hAkjz0pFOvcZsIw6THPOt5l3AyJuB1uTSqv:duZYpYMQCC/xcOvcKDGu5Je1YSq
Behavioral task
behavioral1
Sample
04c9cc0d1577d5ee54a4e2d4dd12f17011d13703cdd0e6efd46718d14fd9aa87.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
04c9cc0d1577d5ee54a4e2d4dd12f17011d13703cdd0e6efd46718d14fd9aa87.exe
Resource
win10v2004-20231215-en
Malware Config
Extracted
C:\Users\Public\Documents\!$R4GN4R_66A976E8$!.txt
ragnarlocker
http://prntscr.com/to31n0
https://prnt.sc/to2kqq
https://prnt.sc/to2lbp
https://prnt.sc/tnzooz
https://prnt.sc/tnzqxf
https://prnt.sc/to2qlx
http://prnt.sc/to2rab
http://p6o7m73ujalhgkiv.onion/?BatxqaHm8rKxIP16Z1xB
http://rgngerzxui2kizq6h5ekefneizmn54n4bcjjthyvdir22orayuya5zad.onion/client/?bC2aAD71E2976da53FC1Efc3193c8FDeA0BAeF8A37883c9e05d3BFF82CCfE8Ee
Targets
-
-
Target
04c9cc0d1577d5ee54a4e2d4dd12f17011d13703cdd0e6efd46718d14fd9aa87.exe
-
Size
27KB
-
MD5
682ce5d86e8181d1e0a18780a5b158df
-
SHA1
ee4b692b3beea8e0a4cd972ad4dba4595fdf4fb4
-
SHA256
9dbcee8b0f17203c0b122b582b37c72a518536878120f5b7878651da6da37c10
-
SHA512
5f21ed3b15cb6cde5dc137ac39b1400982aebdde9e3d8fe349b74fd9ba1f39a22d9bab166f0c606f290d86c3d578df8e086af567ec1bf79edd4bf59bfd9c9294
-
SSDEEP
384:dsRKN4ZYmcv/rELdMF2CC5hAkjz0pFOvcZsIw6THPOt5l3AyJuB1uTSqv:duZYpYMQCC/xcOvcKDGu5Je1YSq
-
RagnarLocker
Ransomware first seen at the end of 2019, which has been used in targetted attacks against multiple companies.
-
Modifies boot configuration data using bcdedit
-
Renames multiple (105) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Drops desktop.ini file(s)
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-