MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 693e7898b554e11d83b95c844318c1a3efef345aefa1cd01a3f4d5bcfcbbef12. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 693e7898b554e11d83b95c844318c1a3efef345aefa1cd01a3f4d5bcfcbbef12
SHA3-384 hash: 6567f8931aef13e507a5601c5435041947d71ea962a878264325b777ceb2952fa76e6fb6a371e59710dd7cdf5aad144d
SHA1 hash: e72a18db38c9335cb365219470719572129a98ce
MD5 hash: e885703b292b35c036c4a9f09335be48
humanhash: oxygen-tennessee-vermont-mars
File name:85cbd15de07204ffb5455f496a1ccd05
Download: download sample
Signature Tofsee
Create hunting rule
File size:10'860'032 bytes
First seen:2020-11-17 11:29:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 300ecc0abea8945fcd3b21c86c177b56 (8 x Tofsee)
ssdeep 196608:b66666666666666666666666666666666666666666666666666666666666666W:
Threatray 108 similar samples on MalwareBazaar
TLSH DFB6D1318F048CA8FD16E639AF30F6635B91F4929EFA970729E5A1B34DD62E09DC01C5
Reporter seifreed
Tags:Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'049
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Packed.Barys-7111571-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Deleting of the original file
Adding exclusions to Windows Defender
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/693e7898b554e11d83b95c844318c1a3efef345aefa1cd01a3f4d5bcfcbbef12/
Threat name:
Win32.Backdoor.Tofsee
Create hunting rule
Status:
Malicious
First seen:
2020-11-17 11:30:35 UTC
AV detection:
41 of 48 (85.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ne7hrgfvktqr3a5zlscegggbupx66nc256q42and6tk3z7f354ja._file
Verdict:
malicious
Similar samples:
3e60d1ad0f14c5741b1cc034d406134f893ea0b29dc1c1b48f1d5988de41d42a
Tofsee
575e8f38cfb2015941a558082390e1f02c7318bd0d6b82261065bd3839123bf8
Tofsee
5fbaa23d2582ceb705d33ad7256d687e8e6d924dfa2854388069932fabac1650
Tofsee
66d8a58d332aad489374ab5678d81540b2f3c838c2d4078abd99e28fe6a69fb0
Tofsee
6b2eb0949d00fd9c42298b9458a56ce9dd189f72b2e30b76306d7f0f0ffc6819
Tofsee
7543b3353b4f66e0acd8c5030ef74e9cfa55559994652b8dc88d3a1b2819a31f
Tofsee
8ca00f20b85ec96622ad809e4ac830a5b055129e526ce9d1d13dc747824615e5
Tofsee
9919830976415014ee79a70a30a9831ed5c97207318b976bca2781f8354a1442
Tofsee
ba227cfc4b73372ffcd726cf935645bd691e4e6c084eade585f73e15d1f649aa
Tofsee
bf036cfa9246486e80f39515cba5fcfddbd00e917d88a398ca2d2ac9187a8273
Tofsee
+ 98 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence trojan
Link:
https://tria.ge/reports/201117-bf6kr9xraa/
Behaviour
Suspicious use of WriteProcessMemory
Launches sc.exe
Modifies service
Suspicious use of SetThreadContext
Deletes itself
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
Windows security bypass
Unpacked files
SH256 hash:
693e7898b554e11d83b95c844318c1a3efef345aefa1cd01a3f4d5bcfcbbef12
MD5 hash:
e885703b292b35c036c4a9f09335be48
SHA1 hash:
e72a18db38c9335cb365219470719572129a98ce
Link:
https://www.unpac.me/results/5bddc453-6290-41e8-9f1a-3b3f04c79877/
SH256 hash:
bf93dcd126052d12f82971c1aca0b5ea28278679f89be4a5668f1d21bf22cd26
MD5 hash:
88f25261bdf7b42cad50e5231a2b141b
SHA1 hash:
9affc99c90f0f30a285c1480bb56b84b04da247d
Detections:
win_tofsee_w0
Create hunting rule
Link:
https://www.unpac.me/results/5bddc453-6290-41e8-9f1a-3b3f04c79877/
Please note that we are no longer able to provide a coverage score for Virus Total.

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