MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 437f379f53cef47f79cf124ae6cfa8444cf9073df371455edd99039814cebee5. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Tofsee


Vendor detections: 7


Intelligence 7 IOCs YARA 1 File information Comments
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SHA256 hash: 437f379f53cef47f79cf124ae6cfa8444cf9073df371455edd99039814cebee5
SHA3-384 hash: e570743bd75be2ead2ded8434a593a0d49f5ef8dac556390dafc68867aac9be72131b8ca40bec06b52ae0791dbe78c1d
SHA1 hash: 59a61fe605f8b2c096d8cd77889b753f6f4d950e
MD5 hash: 33cf451ae5d88319853a3aa038f2f703
humanhash: mango-comet-black-hot
File name:437f379f53cef47f79cf124ae6cfa8444cf9073df371455edd99039814cebee5
Download: download sample
Signature Tofsee
Create hunting rule
File size:11'389'952 bytes
First seen:2020-11-09 21:42:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f7a9b33b8a99a98d91563c62d9c69262 (33 x Tofsee)
ssdeep 1536:0R7bnBsSkwAhCnAXy1EpBOZILxxEIdd8ORpRI+X5goy5uuuuuuuuuuuuuuuuuuu/:i7bqfwAhuQBHuApRvJTy
Threatray 13 similar samples on MalwareBazaar
TLSH BAB654D573974BEBC3D8B279495F1DD26A0E947C863FAB82B01DD5B068326A0B6DF010
Reporter seifreed
Tags:Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Ransomware.Tofsee-9515908-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Moving a file to the Windows subdirectory
Launching a process
Creating a service
Launching a service
Creating a process from a recently created file
Launching the process to change the firewall settings
DNS request
Connection attempt
Enabling autorun for a service
Unauthorized injection to a system process
Adding exclusions to Windows Defender
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/437f379f53cef47f79cf124ae6cfa8444cf9073df371455edd99039814cebee5/
Threat name:
Win32.Ransomware.Lukitos
Create hunting rule
Status:
Malicious
First seen:
2020-11-10 00:50:41 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=in7tph2tz32h66opcjfont5iirgpsbz56nyukxw5tebzqfgox3sq._file
Verdict:
malicious
Similar samples:
0c3080ef33448167fc2b858db5ec7b2e4705cb12ca57119088892459ea0cc832
Tofsee
0e4e902b30a99c179a586c7fd3e27b1fe0b7f1cf5397cb4ee9f056a4fa547b5b
Tofsee
168126935e0aed6cf66c686aeaf8a183428133923ffdb2b78538f407060363b0
Tofsee
575e8f38cfb2015941a558082390e1f02c7318bd0d6b82261065bd3839123bf8
Tofsee
587f79f301d6ca9ad6a02642cf6ebfbce12b3eaa524ecd67834ca1314447c4da
Tofsee
8d64110a77ed9fe2d9454816668d95ed000442a34bb558ca0447ebd8c08b30ba
Tofsee
af21217ee5523873bc4ee3b262ce06a371a1095abfea9729e3413cf9da1a0cab
Tofsee
ba227cfc4b73372ffcd726cf935645bd691e4e6c084eade585f73e15d1f649aa
Tofsee
cdbda4f45e8cb4d6117bcd21304c66a78bcb73f840f48d8e523e76e5b0b57582
Tofsee
f5c60cf3334fc3093cb2b7b6bcfa480bf87a74b4edd8830b97c1ee3b3e66cefd
Tofsee
+ 3 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/201109-eqgds9frej/
Behaviour
Enumerates system info in registry
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Loads dropped DLL
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Tofsee
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/437f379f53cef47f79cf124ae6cfa8444cf9073df371455edd99039814cebee5

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:win_tofsee_w0
Create hunting rule
Author:akrasuski1

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments