MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35d04737f87fbd1cb97d05dda7d795b419ddc767131034a0d00193b8f68f3330. 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: 13


Intelligence 13 IOCs 1 YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 35d04737f87fbd1cb97d05dda7d795b419ddc767131034a0d00193b8f68f3330
SHA3-384 hash: 3a1b88ce98324722a7d7aeab305babb7fc582d4d721633a51ce0d15ff22f9379d174170ed7cb6f48268bdaf1e101db91
SHA1 hash: ff41face28bb115aff0b79b10f552328b6ca012e
MD5 hash: 322ecc7e8a078f9418d1d1c6feee499e
humanhash: princess-fourteen-whiskey-magnesium
File name:322ecc7e8a078f9418d1d1c6feee499e.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:339'968 bytes
First seen:2021-12-27 19:46:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 39de84e7a601fa8861e0e6a8c8b0a138 (4 x Smoke Loader, 3 x ArkeiStealer, 2 x RedLineStealer)
ssdeep 6144:VG8BsowQmmysazhcuThmmLiiDHMNdFeXg:VXtwAysazhcu1mmLJsNdsXg
TLSH T175746B20B7A0D035F1B356F44AB99274A52F7EE16B3491CB53D62AEE96345E0EC3031B
File icon (PE):PE icon
dhash icon e0e8e8e8aa66a499 (32 x RaccoonStealer, 23 x RedLineStealer, 14 x ArkeiStealer)
Reporter abuse_ch
Tags:exe Tofsee


Avatar
abuse_ch
Tofsee C2:
23.225.201.85:38893

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
23.225.201.85:38893 https://threatfox.abuse.ch/ioc/288094/

Intelligence

File Origin
# of uploads :
1
# of downloads :
769
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
322ecc7e8a078f9418d1d1c6feee499e.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-27 19:49:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/827b4a2c-2035-44e6-8223-30b21232f0ad

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/216590/
Detection(s):
Win.Packed.Generic-9918587-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Searching for synchronization primitives
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Unauthorized injection to a recently created process
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/3362/overview
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
emotet greyware virus
Link:
https://www.filescan.io/uploads/61ca183a8991ba72b39b72b7/reports/a6fd92cb-dd79-4554-9937-4aacb0f376be/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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f09c061a-0933-447e-864f-a5fbfcbc71dd
Result
Threat name:
RedLine SmokeLoader Tofsee Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/913257
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
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 detect sleep reduction / modifications
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 submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 evade analysis by execution special instruction which cause usermode exception
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 545735 Sample: 2esp3jydWv.exe Startdate: 27/12/2021 Architecture: WINDOWS Score: 100 97 patmushta.info 2->97 99 microsoft-com.mail.protection.outlook.com 2->99 147 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->147 149 Multi AV Scanner detection for domain / URL 2->149 151 Antivirus detection for URL or domain 2->151 153 18 other signatures 2->153 11 2esp3jydWv.exe 2->11         started        14 hxlvxbkf.exe 2->14         started        16 bitvvcj 2->16         started        18 5 other processes 2->18 signatures3 process4 signatures5 173 Contains functionality to inject code into remote processes 11->173 175 Injects a PE file into a foreign processes 11->175 20 2esp3jydWv.exe 11->20         started        177 Detected unpacking (changes PE section rights) 14->177 179 Detected unpacking (overwrites its own PE header) 14->179 181 Writes to foreign memory regions 14->181 183 Allocates memory in foreign processes 14->183 23 svchost.exe 14->23         started        185 Machine Learning detection for dropped file 16->185 26 bitvvcj 16->26         started        process6 dnsIp7 163 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 20->163 165 Maps a DLL or memory area into another process 20->165 167 Checks if the current machine is a virtual machine (disk enumeration) 20->167 28 explorer.exe 8 20->28 injected 101 microsoft-com.mail.protection.outlook.com 104.47.54.36, 25, 49827 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->101 103 patmushta.info 47.251.38.135, 443, 49829, 49893 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 23->103 169 System process connects to network (likely due to code injection or exploit) 23->169 171 Creates a thread in another existing process (thread injection) 26->171 signatures8 process9 dnsIp10 115 185.233.81.115, 443, 49791 SUPERSERVERSDATACENTERRU Russian Federation 28->115 117 185.7.214.171, 49811, 8080 DELUNETDE France 28->117 119 16 other IPs or domains 28->119 89 C:\Users\user\AppData\Roaming\bitvvcj, PE32 28->89 dropped 91 C:\Users\user\AppData\Local\Temp\F23.exe, PE32 28->91 dropped 93 C:\Users\user\AppData\Local\Temp9F6.exe, PE32 28->93 dropped 95 7 other files (6 malicious) 28->95 dropped 187 System process connects to network (likely due to code injection or exploit) 28->187 189 Benign windows process drops PE files 28->189 191 Deletes itself after installation 28->191 193 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->193 33 F23.exe 2 28->33         started        37 E9F6.exe 28->37         started        39 5B0F.exe 28->39         started        42 5 other processes 28->42 file11 signatures12 process13 dnsIp14 77 C:\Users\user\AppData\Local\...\hxlvxbkf.exe, PE32 33->77 dropped 121 Detected unpacking (changes PE section rights) 33->121 123 Detected unpacking (overwrites its own PE header) 33->123 125 Machine Learning detection for dropped file 33->125 143 2 other signatures 33->143 44 cmd.exe 1 33->44         started        47 cmd.exe 2 33->47         started        49 sc.exe 1 33->49         started        59 3 other processes 33->59 127 Injects a PE file into a foreign processes 37->127 51 E9F6.exe 37->51         started        105 185.7.214.239, 49864, 80 DELUNETDE France 39->105 129 Query firmware table information (likely to detect VMs) 39->129 131 Tries to detect sandboxes and other dynamic analysis tools (window names) 39->131 133 Tries to harvest and steal browser information (history, passwords, etc) 39->133 145 3 other signatures 39->145 107 116.202.188.27, 49870, 80 HETZNER-ASDE Germany 42->107 109 91.219.236.18, 80 SERVERASTRA-ASHU Hungary 42->109 111 9 other IPs or domains 42->111 79 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 42->79 dropped 81 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 42->81 dropped 83 C:\Users\user\AppData\...\mozglue[1].dll, PE32 42->83 dropped 85 11 other files (none is malicious) 42->85 dropped 135 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 42->135 137 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 42->137 139 Tries to steal Crypto Currency Wallets 42->139 141 Contains functionality to detect sleep reduction / modifications 42->141 54 cmd.exe 42->54         started        56 D6DA.exe 42->56         started        file15 signatures16 process17 dnsIp18 87 C:\Windows\SysWOW64\...\hxlvxbkf.exe (copy), PE32 44->87 dropped 61 conhost.exe 44->61         started        63 conhost.exe 47->63         started        65 conhost.exe 49->65         started        155 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 51->155 157 Maps a DLL or memory area into another process 51->157 159 Checks if the current machine is a virtual machine (disk enumeration) 51->159 161 Creates a thread in another existing process (thread injection) 51->161 67 conhost.exe 54->67         started        69 timeout.exe 54->69         started        113 86.107.197.138, 38133, 49849 MOD-EUNL Romania 56->113 71 conhost.exe 59->71         started        73 conhost.exe 59->73         started        75 conhost.exe 59->75         started        file19 signatures20 process21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/35d04737f87fbd1cb97d05dda7d795b419ddc767131034a0d00193b8f68f3330/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2021-12-27 17:29:15 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gxieon7yp66rzol5axo2pv4vwqm53r3hcmidjigqagj3r5upgmya._file
Verdict:
malicious
Label(s):
ryuk
Create hunting rule
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:arkei family:raccoon family:smokeloader family:tofsee family:vidar family:xmrig botnet:00b9ef74cc2da2804ff92130988ca7c6037e190d botnet:10da56e7e71e97bdc1f36eb76813bbc3231de7e4 botnet:408 backdoor discovery evasion miner persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/211227-yhh46abfbq/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies data under HKEY_USERS
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
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Checks BIOS information in registry
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Creates new service(s)
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
Arkei Stealer Payload
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Vidar Stealer
XMRig Miner Payload
Arkei
Raccoon
SmokeLoader
Tofsee
Vidar
Windows security bypass
suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
xmrig
Malware Config
C2 Extraction:
http://host-data-coin-11.com/
http://file-coin-host-12.com/
patmushta.info
parubey.info
https://noc.social/@kipriauk10
https://c.im/@kipriauk11
Unpacked files
SH256 hash:
721d393191597d49d856baef2fbde75e48f52d0465e2cfabf1a41848b0e05589
MD5 hash:
b984a027c8a2abf874f3eb306a831613
SHA1 hash:
d3b3f8890adc840b0bd411cf304eef15d415ed48
Link:
https://www.unpac.me/results/ec327556-c445-49ba-84fb-a9ea3f8ed3aa/
Parent samples :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 hash:
35d04737f87fbd1cb97d05dda7d795b419ddc767131034a0d00193b8f68f3330
MD5 hash:
322ecc7e8a078f9418d1d1c6feee499e
SHA1 hash:
ff41face28bb115aff0b79b10f552328b6ca012e
Link:
https://www.unpac.me/results/ec327556-c445-49ba-84fb-a9ea3f8ed3aa/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/35d04737f87f/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/35d04737f87fbd1cb97d05dda7d795b419ddc767131034a0d00193b8f68f3330

File information

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

Web download

Tofsee

Executable exe 35d04737f87fbd1cb97d05dda7d795b419ddc767131034a0d00193b8f68f3330

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1892559/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1902380/
Cape
Cape
https://www.capesandbox.com/analysis/216590/

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