MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5252765aaf5f954a4fc2ce08e54cbaf01448acf2131796de5323d8d540d4fa18. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5252765aaf5f954a4fc2ce08e54cbaf01448acf2131796de5323d8d540d4fa18
SHA3-384 hash: de31d0d52ec669c83333198012904506fb78b1e3ea9eb28d7b0311af952412045576bb94f8c8bf1c35522fbbdcb74ecb
SHA1 hash: c26b4b2345d087d15bd073613af0ad926957dfcf
MD5 hash: ce308ca5422cb8de57d7004911b57c55
humanhash: alaska-oscar-foxtrot-asparagus
File name:5252765aaf5f954a4fc2ce08e54cbaf01448acf2131796de5323d8d540d4fa18
Download: download sample
Signature Tofsee
Create hunting rule
File size:12'227'072 bytes
First seen:2022-03-17 18:58:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b521fc70c513454aa06843505654d3aa (2 x RaccoonStealer, 2 x Loki, 1 x RedLineStealer)
ssdeep 24576:pminVhqEJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJh:xn
Threatray 247 similar samples on MalwareBazaar
TLSH T10AC67C61D772C837D4B982FC621E7B69C5CD82B7A64229DB19443EE40633BA35CF8217
File icon (PE):PE icon
dhash icon eae8e8e8aa66a499 (1 x DanaBot, 1 x Stop, 1 x DCRat)
Reporter j_dubp
Tags:exe Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'309
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Tofsee
Create hunting rule
Link:
https://www.capesandbox.com/analysis/252074/
Detection(s):
Win.Packed.Generic-9910074-0
Create hunting rule

Win.Packed.Generic-9910715-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a service
Creating a file
Launching the process to change the firewall settings
Creating a process from a recently created file
Launching a service
Launching the default Windows debugger (dwwin.exe)
Enabling autorun for a service
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
coinminer glupteba greyware tofsee
Link:
https://www.filescan.io/uploads/623384f8dfdfa8501cb12787/reports/3e942118-49c2-4077-8eb5-3a059ccdc3ff/overview
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.
Malware family:
Tofsee
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1c842e4f-2611-4f2f-8a0c-f11cc45e9907
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/959028
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Found API chain indicative of debugger detection
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected Tofsee
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 591509 Sample: vdbfXO9uhh Startdate: 17/03/2022 Architecture: WINDOWS Score: 100 54 quadoil.ru 2->54 56 microsoft-com.mail.protection.outlook.com 2->56 64 Multi AV Scanner detection for domain / URL 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 13 other signatures 2->70 8 mrqoekti.exe 2->8         started        11 vdbfXO9uhh.exe 2 2->11         started        14 svchost.exe 2->14         started        16 8 other processes 2->16 signatures3 process4 dnsIp5 78 Detected unpacking (changes PE section rights) 8->78 80 Detected unpacking (overwrites its own PE header) 8->80 82 Writes to foreign memory regions 8->82 90 2 other signatures 8->90 19 svchost.exe 1 8->19         started        50 C:\Users\user\AppData\Local\...\mrqoekti.exe, PE32 11->50 dropped 84 Uses netsh to modify the Windows network and firewall settings 11->84 86 Modifies the windows firewall 11->86 23 cmd.exe 1 11->23         started        26 netsh.exe 3 11->26         started        28 cmd.exe 2 11->28         started        32 3 other processes 11->32 88 Changes security center settings (notifications, updates, antivirus, firewall) 14->88 30 MpCmdRun.exe 1 14->30         started        52 127.0.0.1 unknown unknown 16->52 file6 signatures7 process8 dnsIp9 58 quadoil.ru 19->58 60 lakeflex.ru 19->60 62 2 other IPs or domains 19->62 72 System process connects to network (likely due to code injection or exploit) 19->72 74 Found API chain indicative of debugger detection 19->74 76 Deletes itself after installation 19->76 48 C:\Windows\SysWOW64\...\mrqoekti.exe (copy), PE32 23->48 dropped 34 conhost.exe 23->34         started        36 conhost.exe 26->36         started        38 conhost.exe 28->38         started        40 conhost.exe 30->40         started        42 conhost.exe 32->42         started        44 conhost.exe 32->44         started        46 conhost.exe 32->46         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5252765aaf5f954a4fc2ce08e54cbaf01448acf2131796de5323d8d540d4fa18/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-11-23 00:05:22 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
26 of 27 (96.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kjjhmwvpl6kuut6czyeoktf26akerlhscmlznxstepmnkqgu7ima._file
Verdict:
malicious
Similar samples:
3d898349908143bef8f7652dada13c6075f84af469349be709b1d33d2ddf6672
Tofsee
4cb27107153be0d305e8d3452a8d665fdc2567e1f38f5e042c2b73987fad7106
Tofsee
5d84be18669beb78b0993523cbaf3e66f352ce34888a6f63245290ca02436785
Tofsee
934a9881f22c30976cb47fdef452982f4dca6a0b94e67d2c64fe798850601771
Tofsee
f6ca96e0301249fbada0e52bcd3c9b2b6ee0cec95f13e8984ef747d513651fc9
Tofsee
f7024727c4d979b2b200345c3785945aa7c125670fb7ad570f3cf0b45273d966
Tofsee
+ 237 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/220317-xm276aebc6/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Launches sc.exe
Suspicious use of SetThreadContext
Checks computer location settings
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Tofsee
Malware Config
C2 Extraction:
quadoil.ru
lakeflex.ru
Unpacked files
SH256 hash:
448e8aeb2dcd412f100bd4271b6bc0f87d6922877f96d874d74144ec811de88c
MD5 hash:
40f53a7b73d2d93a204c3a74367fb4c2
SHA1 hash:
39e2dcabc45f28f8d6ec36027032d40060abb047
Detections:
win_tofsee_w0
Create hunting rule
Link:
https://www.unpac.me/results/4d52da81-56cd-4f25-8748-61ddc172ef21/
Parent samples :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 hash:
5252765aaf5f954a4fc2ce08e54cbaf01448acf2131796de5323d8d540d4fa18
MD5 hash:
ce308ca5422cb8de57d7004911b57c55
SHA1 hash:
c26b4b2345d087d15bd073613af0ad926957dfcf
Link:
https://www.unpac.me/results/4d52da81-56cd-4f25-8748-61ddc172ef21/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/5252765aaf5f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5252765aaf5f954a4fc2ce08e54cbaf01448acf2131796de5323d8d540d4fa18

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:MALWARE_Win_Tofsee
Create hunting rule
Author:ditekSHen
Description:Detects Tofsee
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.

Cape
Cape
https://www.capesandbox.com/analysis/252074/

Comments