MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37b4ecc82510180fafd3190e86be4d714caa2522f3475fd8e8debbacb6fc3e38. 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: 37b4ecc82510180fafd3190e86be4d714caa2522f3475fd8e8debbacb6fc3e38
SHA3-384 hash: 25c0af2635d298283a4b1453526843f93ecc7585e53ddf39f502e35ce61bc811ff9acd3e05675ffeca2915cc56a82b27
SHA1 hash: 059affb8457336011a7196f6739eb463c264e8a0
MD5 hash: 66c36989be74f756de04e43a0e975242
humanhash: maryland-kansas-spring-july
File name:66C36989BE74F756DE04E43A0E975242.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:252'416 bytes
First seen:2021-09-10 13:30:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b9983337585a5531070ddcc78e55fc2d (11 x RaccoonStealer, 2 x ArkeiStealer, 1 x Glupteba)
ssdeep 6144:0zJsmF+E9LR2pKQQ3adxZpIBgVqeKvgF0BBqQ:KYE9LR2pKQQexZpAeKhBD
Threatray 1'862 similar samples on MalwareBazaar
TLSH T165348D20B6E0C035F5B711F949B983B8693EBDB16B2491CB62D03AEE5634AE4DD30753
dhash icon e8e8e8e8aa66a499 (51 x RaccoonStealer, 27 x ArkeiStealer, 22 x RedLineStealer)
Reporter abuse_ch
Tags:exe Tofsee


Avatar
abuse_ch
Tofsee C2:
http://5.181.156.77/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://5.181.156.77/ https://threatfox.abuse.ch/ioc/219656/

Intelligence

File Origin
# of uploads :
1
# of downloads :
652
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
66C36989BE74F756DE04E43A0E975242.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-10 13:31:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7e0c72c7-0653-4fd9-a74b-7078f829adee

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/186890/
Detection(s):
Win.Packed.Jaik-9891196-0
Create hunting rule

Win.Packed.Jaik-9891200-0
Create hunting rule

Win.Packed.Jaik-9891213-0
Create hunting rule

Win.Packed.Raccoon-9891246-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Deleting of the original file
Enabling autorun by creating a file
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/52ced1a6-c880-47d5-9572-cdda768ad71e
Result
Threat name:
Raccoon RedLine SmokeLoader Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/848799
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
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
Contains functionality to steal Internet Explorer form passwords
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
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 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 submitted file
PE file contains section with special chars
Performs DNS queries to domains with low reputation
Query firmware table information (likely to detect VMs)
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Tries to download HTTP data from a sinkholed server
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses known network protocols on non-standard ports
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 481230 Sample: oIttD3QG33.exe Startdate: 10/09/2021 Architecture: WINDOWS Score: 100 103 ppas08.top 2->103 105 microsoft-com.mail.protection.outlook.com 2->105 107 2 other IPs or domains 2->107 125 Tries to download HTTP data from a sinkholed server 2->125 127 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->127 129 Multi AV Scanner detection for domain / URL 2->129 131 16 other signatures 2->131 11 oIttD3QG33.exe 2->11         started        14 xehfggwk.exe 2->14         started        16 asigeeg 2->16         started        18 4 other processes 2->18 signatures3 process4 dnsIp5 167 Detected unpacking (changes PE section rights) 11->167 21 oIttD3QG33.exe 11->21         started        169 Writes to foreign memory regions 14->169 171 Allocates memory in foreign processes 14->171 173 Injects a PE file into a foreign processes 14->173 24 svchost.exe 14->24         started        27 asigeeg 16->27         started        109 127.0.0.1 unknown unknown 18->109 signatures6 process7 dnsIp8 157 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 21->157 159 Maps a DLL or memory area into another process 21->159 161 Checks if the current machine is a virtual machine (disk enumeration) 21->161 29 explorer.exe 12 21->29 injected 115 microsoft-com.mail.protection.outlook.com 40.93.207.1, 25, 49803 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 24->115 117 defeatwax.ru 193.56.146.188, 443, 49807 LVLT-10753US unknown 24->117 163 System process connects to network (likely due to code injection or exploit) 24->163 165 Creates a thread in another existing process (thread injection) 27->165 signatures9 process10 dnsIp11 119 193.56.146.41, 49783, 9080 LVLT-10753US unknown 29->119 121 91.241.19.38, 49794, 80 REDBYTES-ASRU Russian Federation 29->121 123 22 other IPs or domains 29->123 95 C:\Users\user\AppData\Roaming\asigeeg, PE32 29->95 dropped 97 C:\Users\user\AppData\Local\Temp\F3E0.exe, PE32 29->97 dropped 99 C:\Users\user\AppData\Local\TempAB8.exe, PE32 29->99 dropped 101 4 other files (3 malicious) 29->101 dropped 175 System process connects to network (likely due to code injection or exploit) 29->175 177 Benign windows process drops PE files 29->177 179 Performs DNS queries to domains with low reputation 29->179 181 2 other signatures 29->181 34 F3E0.exe 80 29->34         started        39 D4DC.exe 29->39         started        41 EAB8.exe 2 29->41         started        43 6 other processes 29->43 file12 signatures13 process14 dnsIp15 111 5.181.156.77, 49790, 49813, 80 MIVOCLOUDMD Moldova Republic of 34->111 113 telete.in 195.201.225.248, 443, 49789, 49812 HETZNER-ASDE Germany 34->113 83 C:\Users\user\AppData\...\vcruntime140.dll, PE32 34->83 dropped 85 C:\Users\user\AppData\...\ucrtbase.dll, PE32 34->85 dropped 87 C:\Users\user\AppData\...\softokn3.dll, PE32 34->87 dropped 93 55 other files (none is malicious) 34->93 dropped 133 Detected unpacking (changes PE section rights) 34->133 135 Tries to steal Mail credentials (via file access) 34->135 137 Contains functionality to steal Internet Explorer form passwords 34->137 139 Tries to harvest and steal browser information (history, passwords, etc) 34->139 45 cmd.exe 34->45         started        141 Contains functionality to inject code into remote processes 39->141 143 Injects a PE file into a foreign processes 39->143 47 D4DC.exe 39->47         started        89 C:\Users\user\AppData\Local\...\xehfggwk.exe, PE32 41->89 dropped 145 Uses netsh to modify the Windows network and firewall settings 41->145 147 Modifies the windows firewall 41->147 50 cmd.exe 1 41->50         started        53 cmd.exe 2 41->53         started        55 sc.exe 41->55         started        61 3 other processes 41->61 91 C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32 43->91 dropped 149 Query firmware table information (likely to detect VMs) 43->149 151 Tries to detect sandboxes and other dynamic analysis tools (window names) 43->151 153 Hides threads from debuggers 43->153 155 Tries to detect sandboxes / dynamic malware analysis system (registry check) 43->155 57 conhost.exe 43->57         started        59 E0C4.exe 43->59         started        63 3 other processes 43->63 file16 signatures17 process18 file19 65 conhost.exe 45->65         started        67 timeout.exe 45->67         started        183 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 47->183 185 Maps a DLL or memory area into another process 47->185 187 Checks if the current machine is a virtual machine (disk enumeration) 47->187 189 Creates a thread in another existing process (thread injection) 47->189 81 C:\Windows\SysWOW64\...\xehfggwk.exe (copy), PE32 50->81 dropped 69 conhost.exe 50->69         started        71 conhost.exe 53->71         started        73 conhost.exe 55->73         started        75 conhost.exe 61->75         started        77 conhost.exe 61->77         started        79 conhost.exe 61->79         started        signatures20 process21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37b4ecc82510180fafd3190e86be4d714caa2522f3475fd8e8debbacb6fc3e38/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-09-07 07:20:14 UTC
AV detection:
27 of 40 (67.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g62ozsbfcama7l6tdehinpsnofgkujjc6ndv7whi3252znx4hy4a._file
Verdict:
malicious
Similar samples:
1331ad9f1e54084e41f896ad51b530b37a5b22c35b78f2a8a6f8fbec778b3d07
Tofsee
38fd2cb3083f33b50606b7821453769103bde2433573499a514452e102cb95df
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3d672cce542b1407ed8100762a5b1b81aa6813c4b23e19b60f4a68b79475f18f
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ba6500d3d342ecdbca59b6c47b9b6e078bb54365ffe5be38f958983a7715645d
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daa924a51f13b11f37dac4ed05098052357d6c78816e121c9105c118692bd1a2
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Tofsee
+ 1'852 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:raccoon family:redline family:smokeloader family:tofsee family:xmrig botnet:6e76410dbdf2085ebcf2777560bd8cb0790329c9 botnet:e89524de1a131be43c3cc9ec324dabb6a9998c12 botnet:installinfo8 botnet:proliv10ytro backdoor discovery evasion infostealer miner persistence spyware stealer suricata themida trojan
Link:
https://tria.ge/reports/210910-qsc2wsdcbr/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Delays execution with timeout.exe
Modifies data under HKEY_USERS
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
Enumerates physical storage devices
Program crash
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Checks BIOS information in registry
Deletes itself
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Themida packer
Blocklisted process makes network request
Creates new service(s)
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner Payload
Raccoon
RedLine
RedLine Payload
SmokeLoader
Tofsee
Windows security bypass
suricata: ET MALWARE Known Sinkhole Response Header
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
xmrig
Malware Config
C2 Extraction:
http://fazanaharahe1.xyz/
http://xandelissane2.xyz/
http://ustiassosale3.xyz/
http://cytheriata4.xyz/
http://ggiergionard5.xyz/
http://rrelleynaniy6.store/
http://danniemusoa7.store/
http://nastanizab8.store/
http://onyokandis9.store/
http://dmunaavank10.store/
http://gilmandros11.site/
http://cusanthana12.site/
http://willietjeana13.site/
http://ximusokall14.site/
http://blodinetisha15.site/
http://urydiahadyss16.club/
http://glasamaddama17.club/
http://marlingarly18.club/
http://alluvianna19.club/
http://xandirkaniel20.club/
146.70.35.170:30905
45.14.49.167:5096
Unpacked files
SH256 hash:
00f084577498574656aee0e4ce71090d1127e61b121ded642095d8abafa8faad
MD5 hash:
1ebf9a8027fe82a4416188d52ee12a8c
SHA1 hash:
b78dd61046152043e8a4c7a4b144d7d94c9c0867
Link:
https://www.unpac.me/results/4b87ba57-86a9-43ea-be59-8011db3755b8/
SH256 hash:
37b4ecc82510180fafd3190e86be4d714caa2522f3475fd8e8debbacb6fc3e38
MD5 hash:
66c36989be74f756de04e43a0e975242
SHA1 hash:
059affb8457336011a7196f6739eb463c264e8a0
Link:
https://www.unpac.me/results/4b87ba57-86a9-43ea-be59-8011db3755b8/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/37b4ecc82510/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/37b4ecc82510180fafd3190e86be4d714caa2522f3475fd8e8debbacb6fc3e38

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/186890/

Comments