MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84cc4707c97905c1082d9eb31dd7d995e04955506b9275b6c4bfd19683150430. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 84cc4707c97905c1082d9eb31dd7d995e04955506b9275b6c4bfd19683150430
SHA3-384 hash: eba2403d3c22d2105852d896f687f88a48679472a29627bfe6f3c26655c523094978c5137a08169e89de150786cf615a
SHA1 hash: 65fb2bfe5cb2ba7093d45e0d24d32f557582f904
MD5 hash: 1324598067622176349860f4e8d68aa1
humanhash: london-missouri-music-north
File name:1324598067622176349860f4e8d68aa1
Download: download sample
Signature Tofsee
Create hunting rule
File size:251'904 bytes
First seen:2022-03-03 04:12:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash eabb194c814da30562c2ce7e427fcafb (2 x RedLineStealer, 1 x Tofsee)
ssdeep 3072:dJOic3zib1QCKM365y3PMTka5SVggjcGkNIVqIpRuv:6ziuCKf5oPMTo7ITsq0k
Threatray 247 similar samples on MalwareBazaar
TLSH T1AD34C0D57783D033C40775308435CF90597AAC22CBA56D473BB86A7E9E343E2667B24A
File icon (PE):PE icon
dhash icon c01edecea68c8ccc (154 x RedLineStealer, 98 x Smoke Loader, 36 x Stop)
Reporter zbetcheckin
Tags:32 exe Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
603
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Tofsee
Create hunting rule
Link:
https://www.capesandbox.com/analysis/246657/
Detection(s):
Win.Malware.Filerepmalware-9940328-0
Create hunting rule

Win.Packed.Generic-9940373-0
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 file
Launching the process to change the firewall settings
Creating a process from a recently created file
Creating a service
Launching a service
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun for a service
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/7954/overview
Behaviour
SystemUptime
MeasuringTime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware
Link:
https://www.filescan.io/uploads/62204055dfdfa8501c7adedf/reports/145c6c11-7394-4246-9afa-da612e197e2e/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/0b80f855-10cd-403c-a97c-aca3c2efaa88
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/949648
Signature
Allocates memory in foreign processes
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 domain / URL
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: 582129 Sample: DAL93uNULU Startdate: 03/03/2022 Architecture: WINDOWS Score: 100 48 store-images.s-microsoft.com 2->48 50 microsoft-com.mail.protection.outlook.com 2->50 58 Multi AV Scanner detection for domain / URL 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 10 other signatures 2->64 8 mmtyexgd.exe 2->8         started        11 DAL93uNULU.exe 2 2->11         started        14 svchost.exe 1 2->14         started        17 3 other processes 2->17 signatures3 process4 dnsIp5 72 Detected unpacking (changes PE section rights) 8->72 74 Detected unpacking (overwrites its own PE header) 8->74 76 Found API chain indicative of debugger detection 8->76 82 3 other signatures 8->82 19 svchost.exe 1 8->19         started        46 C:\Users\user\AppData\Local\...\mmtyexgd.exe, PE32 11->46 dropped 78 Uses netsh to modify the Windows network and firewall settings 11->78 80 Modifies the windows firewall 11->80 23 cmd.exe 1 11->23         started        26 netsh.exe 3 11->26         started        28 cmd.exe 2 11->28         started        30 3 other processes 11->30 56 192.168.2.1 unknown unknown 14->56 file6 signatures7 process8 dnsIp9 52 microsoft-com.mail.protection.outlook.com 104.47.54.36, 25, 49755, 49806 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->52 54 patmushta.info 35.228.103.145, 443, 49756, 49759 GOOGLEUS United States 19->54 66 System process connects to network (likely due to code injection or exploit) 19->66 68 Found API chain indicative of debugger detection 19->68 70 Deletes itself after installation 19->70 44 C:\Windows\SysWOW64\...\mmtyexgd.exe (copy), PE32 23->44 dropped 32 conhost.exe 23->32         started        34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        38 conhost.exe 30->38         started        40 conhost.exe 30->40         started        42 conhost.exe 30->42         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/84cc4707c97905c1082d9eb31dd7d995e04955506b9275b6c4bfd19683150430/
Threat name:
Win32.Backdoor.Tofsee
Create hunting rule
Status:
Malicious
First seen:
2022-02-26 17:07:05 UTC
File Type:
PE (Exe)
Extracted files:
30
AV detection:
27 of 27 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qtgeob6jpec4ccbnt2zr3v6zsxqesvkqnojhlnwex7iznayvaqya._file
Verdict:
malicious
Similar samples:
38a30aee82cdd8e5338e168d99fdce7b8e032a89da64e48751b2e45f9d50ad13
Tofsee
3db9a9633bb3097ee7f34cd85bbc168ed3a59496c0c407cf1d22087d58fa2763
Tofsee
4cb27107153be0d305e8d3452a8d665fdc2567e1f38f5e042c2b73987fad7106
Tofsee
5d84be18669beb78b0993523cbaf3e66f352ce34888a6f63245290ca02436785
Tofsee
abffa8a6fc90178764f519e4dc44f45b94c4632a146a517c77037eaa7ac887c0
Tofsee
d2068407c22038ddbe7b62c5b690f19d84d5e77359c1df8f88b71600966a189e
Tofsee
f6ca96e0301249fbada0e52bcd3c9b2b6ee0cec95f13e8984ef747d513651fc9
Tofsee
f7024727c4d979b2b200345c3785945aa7c125670fb7ad570f3cf0b45273d966
Tofsee
+ 237 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:tofsee family:xmrig evasion miner persistence suricata trojan
Link:
https://tria.ge/reports/220303-es4n3aahep/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Enumerates physical storage devices
Program crash
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
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
suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)
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/eb23c222-f7ab-42c2-82e3-540f245e1daf/
Parent samples :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 hash:
84cc4707c97905c1082d9eb31dd7d995e04955506b9275b6c4bfd19683150430
MD5 hash:
1324598067622176349860f4e8d68aa1
SHA1 hash:
65fb2bfe5cb2ba7093d45e0d24d32f557582f904
Link:
https://www.unpac.me/results/eb23c222-f7ab-42c2-82e3-540f245e1daf/
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/84cc4707c97905c1082d9eb31dd7d995e04955506b9275b6c4bfd19683150430

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 84cc4707c97905c1082d9eb31dd7d995e04955506b9275b6c4bfd19683150430

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2051648/
Cape
Cape
https://www.capesandbox.com/analysis/246657/

Comments


Avatar
zbet commented on 2022-03-03 04:12:30 UTC

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