MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b1b66d7ab2022d41004937b8ea3d9f375364347b4f51d9d14bddc314296a1c5. 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: 10


Intelligence 10 IOCs 1 YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b1b66d7ab2022d41004937b8ea3d9f375364347b4f51d9d14bddc314296a1c5
SHA3-384 hash: 59078ae85cc014789d95bcfb53621d02b8f15bdf91b7a834120fc23235ca46905bf55b72466d4b567bf87aadea75e664
SHA1 hash: caac8c2ec54f8113e8875024ea93156c77b94a00
MD5 hash: 0da4509df08282f3acf044025284acf5
humanhash: yankee-xray-massachusetts-white
File name:0da4509df08282f3acf044025284acf5.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:269'824 bytes
First seen:2021-10-02 02:21:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56224a64339684be7c7ed8cfa70e9258 (7 x RedLineStealer, 5 x RaccoonStealer, 2 x ArkeiStealer)
ssdeep 6144:SQxLph/8a9lL/7r7FhrK8UmnPUgAw+nsqiwp5l67:SoFd8a9lL/7r7FhNUmnpA7sfF
Threatray 4'724 similar samples on MalwareBazaar
TLSH T1F5448E30B7A0C034F0B712F559B6C379A92C7EF19B3491CB62D52AEA56386E49C30797
File icon (PE):PE icon
dhash icon e8f8e8e8aa66a499 (5 x RaccoonStealer, 4 x ArkeiStealer, 3 x RedLineStealer)
Reporter abuse_ch
Tags:exe Tofsee


Avatar
abuse_ch
Tofsee C2:
http://91.219.236.63/

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://91.219.236.63/ https://threatfox.abuse.ch/ioc/229384/

Intelligence

File Origin
# of uploads :
1
# of downloads :
761
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6292405991145472.zip
Verdict:
Malicious activity
Analysis date:
2021-10-02 01:43:16 UTC
Tags:
trojan rat redline loader evasion stealer unwanted netsupport opendir vidar amadey
Link:
https://app.any.run/tasks/5ce6f6e5-206a-4274-a514-ee1e61e228e2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Raccoon
Create hunting rule
Link:
https://www.capesandbox.com/analysis/194083/
Detection(s):
SecuriteInfo.com.Variant.Fragtor.27383.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Variant.Fragtor.27383.30322.18127.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/895dabc1-b49f-4ad1-a0d0-7b62e099efa7
Result
Threat name:
RedLine SmokeLoader Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/863009
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
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 many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses known network protocols on non-standard ports
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 495433 Sample: rPZcbi0gFD.exe Startdate: 02/10/2021 Architecture: WINDOWS Score: 100 76 microsoft-com.mail.protection.outlook.com 52.101.24.0, 25, 49820, 49862 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 2->76 78 defeatwax.ru 193.56.146.188, 443, 49829, 49851 LVLT-10753US unknown 2->78 80 api.ip.sb 2->80 90 Multi AV Scanner detection for domain / URL 2->90 92 Antivirus detection for URL or domain 2->92 94 System process connects to network (likely due to code injection or exploit) 2->94 96 20 other signatures 2->96 11 rPZcbi0gFD.exe 2->11         started        14 fvjifvc 2->14         started        16 svchost.exe 1 2->16         started        18 3 other processes 2->18 signatures3 process4 signatures5 114 Detected unpacking (changes PE section rights) 11->114 116 Contains functionality to inject code into remote processes 11->116 118 Injects a PE file into a foreign processes 11->118 20 rPZcbi0gFD.exe 11->20         started        120 Machine Learning detection for dropped file 14->120 23 fvjifvc 14->23         started        process6 signatures7 98 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 20->98 100 Maps a DLL or memory area into another process 20->100 102 Checks if the current machine is a virtual machine (disk enumeration) 20->102 104 Creates a thread in another existing process (thread injection) 20->104 25 explorer.exe 14 20->25 injected process8 dnsIp9 84 193.56.146.41, 49773, 9080 LVLT-10753US unknown 25->84 86 216.128.137.31, 80 AS-CHOOPAUS United States 25->86 88 4 other IPs or domains 25->88 64 C:\Users\user\AppData\Roaming\fvjifvc, PE32 25->64 dropped 66 C:\Users\user\AppData\Local\Temp\F915.exe, PE32 25->66 dropped 68 C:\Users\user\AppData\Local\Temp\F58A.exe, PE32 25->68 dropped 70 5 other malicious files 25->70 dropped 122 System process connects to network (likely due to code injection or exploit) 25->122 124 Benign windows process drops PE files 25->124 126 Deletes itself after installation 25->126 128 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->128 30 F58A.exe 25->30         started        33 BA0C.exe 2 25->33         started        36 BDB6.exe 21 6 25->36         started        39 3 other processes 25->39 file10 signatures11 process12 dnsIp13 130 Detected unpacking (changes PE section rights) 30->130 132 Machine Learning detection for dropped file 30->132 41 F58A.exe 30->41         started        60 C:\Users\user\AppData\Local\...\rlhnyiag.exe, PE32 33->60 dropped 134 Detected unpacking (overwrites its own PE header) 33->134 136 Uses netsh to modify the Windows network and firewall settings 33->136 138 Modifies the windows firewall 33->138 44 cmd.exe 33->44         started        47 cmd.exe 33->47         started        82 cdn.discordapp.com 162.159.134.233, 443, 49786 CLOUDFLARENETUS United States 36->82 62 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 36->62 dropped 140 Multi AV Scanner detection for dropped file 36->140 142 Adds a directory exclusion to Windows Defender 36->142 144 Hides threads from debuggers 36->144 146 Injects a PE file into a foreign processes 36->146 148 Antivirus detection for dropped file 39->148 150 Query firmware table information (likely to detect VMs) 39->150 152 Tries to detect sandboxes and other dynamic analysis tools (window names) 39->152 154 Tries to detect sandboxes / dynamic malware analysis system (registry check) 39->154 49 F915.exe 2 39->49         started        52 conhost.exe 39->52         started        54 conhost.exe 39->54         started        file14 signatures15 process16 dnsIp17 106 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 41->106 108 Maps a DLL or memory area into another process 41->108 110 Checks if the current machine is a virtual machine (disk enumeration) 41->110 112 Creates a thread in another existing process (thread injection) 41->112 72 C:\Windows\SysWOW64\...\rlhnyiag.exe (copy), PE32 44->72 dropped 56 conhost.exe 44->56         started        58 conhost.exe 47->58         started        74 188.72.208.174, 38430, 49847 WEBZILLANL Netherlands 49->74 file18 signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b1b66d7ab2022d41004937b8ea3d9f375364347b4f51d9d14bddc314296a1c5/
Threat name:
Win32.Trojan.Fragtor
Create hunting rule
Status:
Malicious
First seen:
2021-10-02 02:21:16 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmnwnv5learnieaesn5y5i6z6n2tmq2hwt2r3hiuxxodcquwuhcq._file
Verdict:
malicious
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Tofsee
+ 4'714 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:raccoon family:smokeloader botnet:5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4 botnet:�ru2ac�^�����wl q֎�b��mc1/`�`�1k�:�y� backdoor discovery spyware stealer trojan
Link:
https://tria.ge/reports/211002-cs17tsddd7/
Behaviour
Checks SCSI registry key(s)
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Raccoon
SmokeLoader
Malware Config
C2 Extraction:
http://fiskahlilian16.top/
http://paishancho17.top/
http://ydiannetter18.top/
http://azarehanelle19.top/
http://quericeriant20.top/
Unpacked files
SH256 hash:
592b089027938156e18387e4402b965a5f1ffc25e96d7efc3aa9331254587bdd
MD5 hash:
2dbb1eb8c40c88994738a736ad55c79b
SHA1 hash:
88e2fc9242606c7dfcd68d5da8c6d457837157a3
Link:
https://www.unpac.me/results/6078b2c4-c4d4-4da2-851b-be8cded1cc6e/
SH256 hash:
2b1b66d7ab2022d41004937b8ea3d9f375364347b4f51d9d14bddc314296a1c5
MD5 hash:
0da4509df08282f3acf044025284acf5
SHA1 hash:
caac8c2ec54f8113e8875024ea93156c77b94a00
Link:
https://www.unpac.me/results/6078b2c4-c4d4-4da2-851b-be8cded1cc6e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2b1b66d7ab20/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/2b1b66d7ab2022d41004937b8ea3d9f375364347b4f51d9d14bddc314296a1c5

File information

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

Web download

Tofsee

Executable exe 2b1b66d7ab2022d41004937b8ea3d9f375364347b4f51d9d14bddc314296a1c5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1649571/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/194083/

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