MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d84be18669beb78b0993523cbaf3e66f352ce34888a6f63245290ca02436785. 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 9 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5d84be18669beb78b0993523cbaf3e66f352ce34888a6f63245290ca02436785
SHA3-384 hash: 28bb0d865c01784e88690170a053d1d73b4a2c121b1d8e338124809fc30aed106f5df7aac591897d2f5d665cb68fcdd4
SHA1 hash: f7a52c6b2fd628e2b3fac3169922bbd5e78f9676
MD5 hash: efe1272f496eadc7b6b816ff79cebdc8
humanhash: bakerloo-alaska-golf-mobile
File name:efe1272f496eadc7b6b816ff79cebdc8
Download: download sample
Signature Tofsee
Create hunting rule
File size:251'904 bytes
First seen:2022-02-22 01:50:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e77df1061a47040e786b91ac2fd00278 (1 x CoinMiner, 1 x Tofsee, 1 x RedLineStealer)
ssdeep 3072:p7nUVBPFErnrCE9g/EdNesxkgaBChrVd7XzG:1mE9gmigaCzz
Threatray 227 similar samples on MalwareBazaar
TLSH T12134CE117AD0CD32E5D35E300834C2E4917BB8929B60A5CBF6A87F5F6E353A18676363
File icon (PE):PE icon
dhash icon a1bcdcac9cccb484 (6 x RedLineStealer, 5 x RaccoonStealer, 3 x ArkeiStealer)
Reporter zbetcheckin
Tags:32 exe Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
626
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/243068/
Detection(s):
Win.Packed.Filerepmalware-9938574-0
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 service
Creating a process from a recently created file
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:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/6916/overview
Behaviour
MalwareBazaar
CPUID_Instruction
MeasuringTime
SystemUptime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware
Link:
https://www.filescan.io/uploads/62144189875593a3ccff7185/reports/3ab1169d-3c1e-49be-9213-729dc78c3d94/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/64c802ba-fa9e-41c6-a07e-228445f76e7e
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/943561
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 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: 576035 Sample: eRS17wh54M Startdate: 22/02/2022 Architecture: WINDOWS Score: 100 47 microsoft-com.mail.protection.outlook.com 2->47 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 9 other signatures 2->59 8 xoprtkzs.exe 2->8         started        11 eRS17wh54M.exe 2 2->11         started        14 svchost.exe 1 2->14         started        16 3 other processes 2->16 signatures3 process4 file5 67 Detected unpacking (changes PE section rights) 8->67 69 Detected unpacking (overwrites its own PE header) 8->69 71 Writes to foreign memory regions 8->71 79 2 other signatures 8->79 18 svchost.exe 1 8->18         started        45 C:\Users\user\AppData\Local\...\xoprtkzs.exe, PE32 11->45 dropped 73 Found API chain indicative of debugger detection 11->73 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 49 patmushta.info 80.66.64.181, 443, 49766, 49769 VAD-SRL-AS1MD Russian Federation 18->49 51 microsoft-com.mail.protection.outlook.com 104.47.53.36, 25, 49765, 49838 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 18->51 61 System process connects to network (likely due to code injection or exploit) 18->61 63 Found API chain indicative of debugger detection 18->63 65 Deletes itself after installation 18->65 43 C:\Windows\SysWOW64\...\xoprtkzs.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/5d84be18669beb78b0993523cbaf3e66f352ce34888a6f63245290ca02436785/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-02-22 01:51:10 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lwcl4gdgtpvxrmezgur4xlz6m3zvftrurcfg6yzekkimuasdm6cq._file
Verdict:
malicious
Similar samples:
45fced29713e8dc96972faeab4f21ec670543c252ed824b358294e9b8270e496
Tofsee
4cb27107153be0d305e8d3452a8d665fdc2567e1f38f5e042c2b73987fad7106
Tofsee
7872562982688229ba9bcf6b09cd7282229da0b0690aec62c163e43fcb305631
Tofsee
80744c88885d98a2ea865c01b2f2cc6a9e8ee7653405e7a662314e529bb40dfe
Tofsee
9a1f354adc72271651ddedebb43da24978c94c12e379413a09cea636c225e89c
Tofsee
ee87fd0a4b66479135cb2342baaa9fbf54e7dfa4ea65a13a35661a8a2f144663
Tofsee
f6ca96e0301249fbada0e52bcd3c9b2b6ee0cec95f13e8984ef747d513651fc9
Tofsee
f7024727c4d979b2b200345c3785945aa7c125670fb7ad570f3cf0b45273d966
Tofsee
fa9192f9ccb0247be05b2bd468fdf4e4440a9c5cbf8ded6db97fb7f99c5ee5ef
Tofsee
+ 217 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/220222-b9tzeadadp/
Behaviour
Checks processor information in registry
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
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
XMRig Miner Payload
Tofsee
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/7cac67fb-7c3b-4a3d-ab9c-1be90497ccd8/
Parent samples :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 hash:
5d84be18669beb78b0993523cbaf3e66f352ce34888a6f63245290ca02436785
MD5 hash:
efe1272f496eadc7b6b816ff79cebdc8
SHA1 hash:
f7a52c6b2fd628e2b3fac3169922bbd5e78f9676
Link:
https://www.unpac.me/results/7cac67fb-7c3b-4a3d-ab9c-1be90497ccd8/
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/5d84be18669beb78b0993523cbaf3e66f352ce34888a6f63245290ca02436785

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:CoinMiner_Strings
Create hunting rule
Author:Florian Roth
Description:Detects mining pool protocol string in Executable
Reference:https://minergate.com/faq/what-pool-address
Rule name:MALWARE_Win_Tofsee
Create hunting rule
Author:ditekSHen
Description:Detects Tofsee
Rule name:MAL_XMR_Miner_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects Monero Crypto Coin Miner
Reference:https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/
Rule name:MAL_XMR_Miner_May19_1_RID2E1B
Create hunting rule
Author:Florian Roth
Description:Detects Monero Crypto Coin Miner
Reference:https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/
Rule name:MINER_monero_mining_detection
Create hunting rule
Author:Trellix ATR team
Description:Monero mining software
Rule name:PUA_Crypto_Mining_CommandLine_Indicators_Oct21
Create hunting rule
Author:Florian Roth
Description:Detects command line parameters often used by crypto mining software
Reference:https://www.poolwatch.io/coin/monero
Rule name:win_tofsee_w0
Create hunting rule
Author:akrasuski1
Rule name:XMRIG_Monero_Miner
Create hunting rule
Author:Florian Roth
Description:Detects Monero mining software
Reference:https://github.com/xmrig/xmrig/releases
Rule name:XMRIG_Monero_Miner_RID2DC1
Create hunting rule
Author:Florian Roth
Description:Detects Monero mining software
Reference:https://github.com/xmrig/xmrig/releases

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Tofsee

Executable exe 5d84be18669beb78b0993523cbaf3e66f352ce34888a6f63245290ca02436785

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/243068/
  
URLhaus
https://urlhaus.abuse.ch/url/2051648/

Comments


Avatar
zbet commented on 2022-02-22 01:50:13 UTC

url : hxxp://62.204.41.46:8080/8.php