MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6ca96e0301249fbada0e52bcd3c9b2b6ee0cec95f13e8984ef747d513651fc9. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f6ca96e0301249fbada0e52bcd3c9b2b6ee0cec95f13e8984ef747d513651fc9
SHA3-384 hash: a652ebac31b38d30ae23ddb70ab9318394534406d449170531d8a13f08733bb9b22609aedcc0d32576b38465a0574929
SHA1 hash: c49bd3e5dce2530a6ce429c022f752b06eee9004
MD5 hash: 04f335bea828079dbb509f34f8dca2c5
humanhash: ten-mango-quebec-minnesota
File name:04f335bea828079dbb509f34f8dca2c5
Download: download sample
Signature Tofsee
Create hunting rule
File size:287'232 bytes
First seen:2022-02-14 08:25:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0b9720143020bc87fe12346d653d6a51 (2 x ArkeiStealer, 1 x RaccoonStealer, 1 x RedLineStealer)
ssdeep 3072:bgamxzyAJWgZkl/md3Jz5I6HREKsxkgaBChbw47dO:bgamVtl1N06HRE3iga4d
Threatray 218 similar samples on MalwareBazaar
TLSH T1D154BF1136D0DC32C9825E308427EBE54A3BB8725D6191A7FBA8BB2F2E703D15637356
File icon (PE):PE icon
dhash icon 81bcdcac9cccb484 (4 x RedLineStealer, 2 x DanaBot, 1 x CryptBot)
Reporter zbetcheckin
Tags:32 exe Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
583
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Tofsee
Create hunting rule
Link:
https://www.capesandbox.com/analysis/241321/
Detection(s):
Win.Dropper.LokiBot-9938483-0
Create hunting rule

Win.Packed.Filerepmalware-9938574-0
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
Moving a file to the Windows subdirectory
Creating a service
Launching the process to change the firewall settings
Launching a service
Creating a process from a recently created file
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
Forced system process termination
Searching for synchronization primitives
DNS request
Possible injection to a system process
Enabling autorun for a service
Unauthorized injection to a system process
Adding exclusions to Windows Defender
Gathering data
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/bf886c57-a039-429c-af73-743dbc9928b4
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/939185
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 dropped 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: 571661 Sample: mKVXgl15o0 Startdate: 14/02/2022 Architecture: WINDOWS Score: 100 47 patmushta.info 2->47 49 microsoft-com.mail.protection.outlook.com 2->49 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 10 other signatures 2->61 8 ogmnvnod.exe 2->8         started        11 mKVXgl15o0.exe 2 2->11         started        14 svchost.exe 1 2->14         started        16 3 other processes 2->16 signatures3 process4 file5 69 Detected unpacking (changes PE section rights) 8->69 71 Detected unpacking (overwrites its own PE header) 8->71 73 Found API chain indicative of debugger detection 8->73 79 3 other signatures 8->79 18 svchost.exe 1 8->18         started        45 C:\Users\user\AppData\Local\...\ogmnvnod.exe, PE32 11->45 dropped 75 Uses netsh to modify the Windows network and firewall settings 11->75 77 Modifies the windows firewall 11->77 22 cmd.exe 1 11->22         started        25 netsh.exe 3 11->25         started        27 cmd.exe 2 11->27         started        29 3 other processes 11->29 signatures6 process7 dnsIp8 51 microsoft-com.mail.protection.outlook.com 104.47.54.36, 25, 49769, 49863 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 18->51 53 patmushta.info 35.228.103.145, 443, 49777, 49811 GOOGLEUS United States 18->53 63 System process connects to network (likely due to code injection or exploit) 18->63 65 Found API chain indicative of debugger detection 18->65 67 Deletes itself after installation 18->67 43 C:\Windows\SysWOW64\...\ogmnvnod.exe (copy), PE32 22->43 dropped 31 conhost.exe 22->31         started        33 conhost.exe 25->33         started        35 conhost.exe 27->35         started        37 conhost.exe 29->37         started        39 conhost.exe 29->39         started        41 conhost.exe 29->41         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f6ca96e0301249fbada0e52bcd3c9b2b6ee0cec95f13e8984ef747d513651fc9/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-02-14 08:26:11 UTC
File Type:
PE (Exe)
Extracted files:
37
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=63fjnybqcje7xlna4uv42pe3fnxobtwjl4j6rgco65d5ke3fd7eq._file
Verdict:
malicious
Similar samples:
1dfb58a81f3624b21eb10ce87795e1aa2b3fd928ae83f7c52a37d6cb19e25cf8
Tofsee
381b8a8707dcc51e9b00421bc9ead0d8573f7afcbac424b3f53b15164986c00e
Tofsee
3a1e3377c664b6863dda1d7d7ae9c353defc585a6df6eeb1c5147f21d31faaaf
Tofsee
4fb79897fd57ac7d1724c92ef26e493e15d974f83c2c7f6e72af4f6e8084ff20
Tofsee
5bcda175ec4a33a6de0c387ae0867977d040e243ec15d2f4998ff6f40a468ce6
Tofsee
925c11560a88096bc28480d802d69da132ff883236e0d8dfaf9a367fa07cc245
Tofsee
d14e8195937a6bd3ff1c8e25376f3cf6ccba3b373c894fb147912530f15b85db
Tofsee
ee87fd0a4b66479135cb2342baaa9fbf54e7dfa4ea65a13a35661a8a2f144663
Tofsee
+ 208 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:tofsee family:xmrig evasion miner persistence trojan
Link:
https://tria.ge/reports/220214-kbvygsaecr/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
XMRig Miner Payload
Tofsee
xmrig
Malware Config
C2 Extraction:
patmushta.info
ovicrush.cn
Unpacked files
SH256 hash:
e658fe6d3bd685f41eb0527432099ee01075bfdb523ef5aa3e5ebd42221c8494
MD5 hash:
337e0e16dfcab6a2059cdbf81932e973
SHA1 hash:
c2ab7a92b8e07750f9f82f438291564bf5def67a
Detections:
win_tofsee_w0
Create hunting rule
Link:
https://www.unpac.me/results/016870a6-ea09-41af-bd6c-f4b0547fff5f/
Parent samples :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 hash:
f6ca96e0301249fbada0e52bcd3c9b2b6ee0cec95f13e8984ef747d513651fc9
MD5 hash:
04f335bea828079dbb509f34f8dca2c5
SHA1 hash:
c49bd3e5dce2530a6ce429c022f752b06eee9004
Link:
https://www.unpac.me/results/016870a6-ea09-41af-bd6c-f4b0547fff5f/
Malware family:
XMRIG
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f6ca96e03012/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/f6ca96e0301249fbada0e52bcd3c9b2b6ee0cec95f13e8984ef747d513651fc9

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.

Web download

Tofsee

Executable exe f6ca96e0301249fbada0e52bcd3c9b2b6ee0cec95f13e8984ef747d513651fc9

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/241321/

Comments


Avatar
zbet commented on 2022-02-14 08:25:25 UTC

url : hxxp://62.204.41.46:8080/a.exe