MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a7e30f8306b5487f44f8418f635fb52b5d239690342e1c2983f3aceb74f8b50. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a7e30f8306b5487f44f8418f635fb52b5d239690342e1c2983f3aceb74f8b50
SHA3-384 hash: 6ea4e9584d38e95bca81b1ee0f6d0c73b948cba20b52fa870ba903739359b2e164ed29c6bc1dd37452c82fb2b5d94142
SHA1 hash: d0f4368eef4ea6eda65f992f24a006bc362ee359
MD5 hash: 28ab5238e88a228c758dc962bffc378b
humanhash: indigo-fourteen-golf-kentucky
File name:28ab5238e88a228c758dc962bffc378b.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:271'872 bytes
First seen:2022-02-24 17:14:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 917b0dc587f632b60bbe39ab8c418265 (2 x RedLineStealer, 1 x ArkeiStealer, 1 x DanaBot)
ssdeep 3072:y4dNeYfd5K7YYiDvwMPuAQ5EVggjcGkNIVqIOM/h36qV0QB/LjF:Xzfd5K7YEL+7ITsqxsDRLj
Threatray 244 similar samples on MalwareBazaar
TLSH T10B44ADE17980D435C486F230982BCFA0592DEC61CE645A4772B83F5FBE722D166B921F
File icon (PE):PE icon
dhash icon 327e7c7f727e6e62 (2 x RedLineStealer, 1 x Tofsee)
Reporter abuse_ch
Tags:exe Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
608
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Tofsee
Create hunting rule
Link:
https://www.capesandbox.com/analysis/244383/
Detection(s):
Win.Dropper.Stop-9938042-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Moving a file to the Windows subdirectory
Launching the process to change the firewall settings
Launching a service
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Forced system process termination
DNS request
Sending a custom TCP request
Creating a file in the Windows subdirectories
Sending an HTTP GET request
Possible injection to a system process
Enabling autorun for a service
Query of malicious DNS domain
Unauthorized injection to a system process
Adding exclusions to Windows Defender
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/7324/overview
Behaviour
MeasuringTime
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware upatre
Link:
https://www.filescan.io/uploads/6217bd1b2fde1a619802f0fc/reports/8be0a48b-a075-48dc-a64e-6425883ebc20/overview
Result
Verdict:
UNKNOWN
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/b6a83354-400e-4f76-b8b0-7732d6e70cbe
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/945946
Signature
Allocates memory in foreign processes
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 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: 578423 Sample: bCiujhSpuj.exe Startdate: 24/02/2022 Architecture: WINDOWS Score: 100 55 microsoft-com.mail.protection.outlook.com 2->55 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus detection for URL or domain 2->67 69 10 other signatures 2->69 9 bCiujhSpuj.exe 2 2->9         started        13 wcksxfuj.exe 2->13         started        15 svchost.exe 2->15         started        17 9 other processes 2->17 signatures3 process4 dnsIp5 51 C:\Users\user\AppData\Local\...\wcksxfuj.exe, PE32 9->51 dropped 71 Detected unpacking (changes PE section rights) 9->71 73 Detected unpacking (overwrites its own PE header) 9->73 75 Uses netsh to modify the Windows network and firewall settings 9->75 77 Modifies the windows firewall 9->77 20 sc.exe 1 9->20         started        22 cmd.exe 1 9->22         started        25 netsh.exe 3 9->25         started        29 3 other processes 9->29 79 Writes to foreign memory regions 13->79 81 Allocates memory in foreign processes 13->81 83 Injects a PE file into a foreign processes 13->83 85 Changes security center settings (notifications, updates, antivirus, firewall) 15->85 27 MpCmdRun.exe 1 15->27         started        53 127.0.0.1 unknown unknown 17->53 file6 signatures7 process8 file9 31 conhost.exe 20->31         started        49 C:\Windows\SysWOW64\...\wcksxfuj.exe (copy), PE32 22->49 dropped 33 conhost.exe 22->33         started        35 conhost.exe 25->35         started        37 conhost.exe 27->37         started        39 conhost.exe 29->39         started        41 conhost.exe 29->41         started        process10 process11 43 svchost.exe 1 31->43         started        47 conhost.exe 33->47         started        dnsIp12 57 microsoft-com.mail.protection.outlook.com 40.93.207.0, 25, 49749 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 43->57 59 patmushta.info 35.228.103.145, 443, 49750, 49761 GOOGLEUS United States 43->59 61 192.168.2.1 unknown unknown 43->61 87 System process connects to network (likely due to code injection or exploit) 43->87 89 Found API chain indicative of debugger detection 43->89 91 Deletes itself after installation 43->91 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5a7e30f8306b5487f44f8418f635fb52b5d239690342e1c2983f3aceb74f8b50/
Threat name:
Win32.Trojan.Azorult
Create hunting rule
Status:
Malicious
First seen:
2022-02-24 07:57:56 UTC
File Type:
PE (Exe)
Extracted files:
48
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lj7db6bqnnkip5cpqqmpmnp3kk25eoljanbodquyh45m5n2prnia._file
Verdict:
malicious
Similar samples:
38a30aee82cdd8e5338e168d99fdce7b8e032a89da64e48751b2e45f9d50ad13
Tofsee
3db9a9633bb3097ee7f34cd85bbc168ed3a59496c0c407cf1d22087d58fa2763
Tofsee
4cb27107153be0d305e8d3452a8d665fdc2567e1f38f5e042c2b73987fad7106
Tofsee
5d84be18669beb78b0993523cbaf3e66f352ce34888a6f63245290ca02436785
Tofsee
abffa8a6fc90178764f519e4dc44f45b94c4632a146a517c77037eaa7ac887c0
Tofsee
b0f36d66181f49b3626c65dfe300c35677a7649842468cd274317fba2abf1329
Tofsee
f6ca96e0301249fbada0e52bcd3c9b2b6ee0cec95f13e8984ef747d513651fc9
Tofsee
f7024727c4d979b2b200345c3785945aa7c125670fb7ad570f3cf0b45273d966
Tofsee
+ 234 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/220224-vskh7aefel/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Deletes itself
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
XMRig Miner Payload
Tofsee
Windows security bypass
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/9800b40f-ce05-4259-83b4-482bc59f3987/
Parent samples :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 hash:
5a7e30f8306b5487f44f8418f635fb52b5d239690342e1c2983f3aceb74f8b50
MD5 hash:
28ab5238e88a228c758dc962bffc378b
SHA1 hash:
d0f4368eef4ea6eda65f992f24a006bc362ee359
Link:
https://www.unpac.me/results/9800b40f-ce05-4259-83b4-482bc59f3987/
Malware family:
XMRIG
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/5a7e30f8306b/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/5a7e30f8306b5487f44f8418f635fb52b5d239690342e1c2983f3aceb74f8b50

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 5a7e30f8306b5487f44f8418f635fb52b5d239690342e1c2983f3aceb74f8b50

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/244383/
  
URLhaus
https://urlhaus.abuse.ch/url/2051648/
  
Delivery method
Distributed via web download

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