MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6f9478f5ec1f4e62aaaa075b7a1479d2aed7c65a3560659bb3690d36d68c0bb. 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: e6f9478f5ec1f4e62aaaa075b7a1479d2aed7c65a3560659bb3690d36d68c0bb
SHA3-384 hash: a9e73cca2e74002a2d57360dd015782260bf089c3c1d8883aebeeba0eda8837cbaaec369fc80e0c88557640ca25dabbc
SHA1 hash: 7fa922df2958b1182ce1a5f4a1fdbb40a3bc72f3
MD5 hash: 05b03b1ba00752c267e7e892af6f1a8c
humanhash: harry-network-lactose-pizza
File name:05b03b1ba00752c267e7e892af6f1a8c.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:297'984 bytes
First seen:2021-12-19 04:07:12 UTC
Last seen:2021-12-19 05:29:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5865534cf92870d611aa6cf226405c03 (17 x RedLineStealer, 3 x DCRat, 1 x Tofsee)
ssdeep 3072:h0ySS+yVI6eMnVjzTfU09x8VXchkllRBa3635M/s3Q9aDG8BX1lLOBaXkMv9kf7O:/I6RxzTf18MhklZ+635mK5jOBaUMavp
Threatray 6'199 similar samples on MalwareBazaar
TLSH T14C549D00B7A0D436F5B712F848B993ACB93E79B15B3590CF52C566EA1634AE4DC7031B
File icon (PE):PE icon
dhash icon 25ac1378319b9b91 (29 x Amadey, 24 x Smoke Loader, 14 x RedLineStealer)
Reporter abuse_ch
Tags:exe Tofsee


Avatar
abuse_ch
Tofsee C2:
http://89.108.77.46/httpGameDbLinux.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://89.108.77.46/httpGameDbLinux.php https://threatfox.abuse.ch/ioc/277657/

Intelligence

File Origin
# of uploads :
2
# of downloads :
753
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/215220/
Detection(s):
SecuriteInfo.com.Variant.Jaik.49901.12419.8978.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Searching for synchronization primitives
Reading critical registry keys
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Running batch commands
Creating a process with a hidden window
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
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/2568/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/61beb0258991ba72b38c3e27/reports/9f9f7d17-5472-49e6-a192-52149f304449/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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/786bb8fb-c046-4424-bd12-0e567c622883
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/909727
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 dropped file
Multi AV Scanner detection for submitted file
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 and other dynamic analysis tools (process name or module or function)
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
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 542205 Sample: rxIjvSfFQS.exe Startdate: 19/12/2021 Architecture: WINDOWS Score: 100 89 mubrikych.top 2->89 91 host-data-coin-11.com 2->91 93 4 other IPs or domains 2->93 111 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->111 113 Antivirus detection for URL or domain 2->113 115 Antivirus detection for dropped file 2->115 117 11 other signatures 2->117 11 rxIjvSfFQS.exe 2->11         started        14 ebetwvw 2->14         started        16 ssetwvw 2->16         started        18 5 other processes 2->18 signatures3 process4 signatures5 127 Contains functionality to inject code into remote processes 11->127 129 Injects a PE file into a foreign processes 11->129 20 rxIjvSfFQS.exe 11->20         started        131 Machine Learning detection for dropped file 14->131 23 ebetwvw 14->23         started        process6 signatures7 119 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 20->119 121 Maps a DLL or memory area into another process 20->121 123 Checks if the current machine is a virtual machine (disk enumeration) 20->123 25 explorer.exe 8 20->25 injected 125 Creates a thread in another existing process (thread injection) 23->125 process8 dnsIp9 97 amogohuigotuli.at 25->97 99 185.233.81.115, 443, 49777 SUPERSERVERSDATACENTERRU Russian Federation 25->99 101 18 other IPs or domains 25->101 75 C:\Users\user\AppData\Roaming\ssetwvw, PE32 25->75 dropped 77 C:\Users\user\AppData\Roaming\ebetwvw, PE32 25->77 dropped 79 C:\Users\user\AppData\Local\Temp\5C45.exe, PE32 25->79 dropped 81 7 other files (6 malicious) 25->81 dropped 133 System process connects to network (likely due to code injection or exploit) 25->133 135 Benign windows process drops PE files 25->135 137 Deletes itself after installation 25->137 139 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->139 30 3ECE.exe 2 25->30         started        34 2605.exe 127 25->34         started        37 5BD5.exe 25->37         started        39 4 other processes 25->39 file10 signatures11 process12 dnsIp13 83 C:\Users\user\AppData\Local\...\ssoegkar.exe, PE32 30->83 dropped 141 Detected unpacking (changes PE section rights) 30->141 143 Detected unpacking (overwrites its own PE header) 30->143 145 Machine Learning detection for dropped file 30->145 165 2 other signatures 30->165 41 cmd.exe 30->41         started        44 cmd.exe 30->44         started        46 sc.exe 30->46         started        55 3 other processes 30->55 95 file-file-host4.com 34->95 85 C:\Users\user\AppData\...\sqlite3[1].dll, PE32 34->85 dropped 87 C:\ProgramData\sqlite3.dll, PE32 34->87 dropped 147 Tries to harvest and steal browser information (history, passwords, etc) 34->147 149 Tries to steal Crypto Currency Wallets 34->149 151 Contains functionality to detect sleep reduction / modifications 34->151 48 cmd.exe 34->48         started        153 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 37->153 155 Maps a DLL or memory area into another process 37->155 157 Checks if the current machine is a virtual machine (disk enumeration) 37->157 159 Creates a thread in another existing process (thread injection) 37->159 161 Multi AV Scanner detection for dropped file 39->161 163 Injects a PE file into a foreign processes 39->163 50 5C45.exe 39->50         started        53 4AF4.exe 39->53         started        file14 signatures15 process16 file17 73 C:\Windows\SysWOW64\...\ssoegkar.exe (copy), PE32 41->73 dropped 57 conhost.exe 41->57         started        59 conhost.exe 44->59         started        61 conhost.exe 46->61         started        63 conhost.exe 48->63         started        65 timeout.exe 48->65         started        103 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 50->103 105 Maps a DLL or memory area into another process 50->105 107 Checks if the current machine is a virtual machine (disk enumeration) 50->107 109 Creates a thread in another existing process (thread injection) 50->109 67 conhost.exe 55->67         started        69 conhost.exe 55->69         started        71 conhost.exe 55->71         started        signatures18 process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e6f9478f5ec1f4e62aaaa075b7a1479d2aed7c65a3560659bb3690d36d68c0bb/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2021-12-19 03:35:03 UTC
File Type:
PE (Exe)
Extracted files:
25
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=434upd26yh2omkvkub23pikhtuvo27dfunlamwn3g2ing3liyc5q._file
Verdict:
malicious
Similar samples:
151a46a906ce9c9ea079cd3b9d2911d68b5c800f3b07df514d9e90a31163fbe2
Tofsee
3eb88ccf98c7ffb98a9d5bbe833afba24569faa7055285b7718484fcb96d03c6
Tofsee
512cce5521eb9318fe0d2ef81c10af7b74257e71a3f412d2e3bd0e0f89c8ef2e
Tofsee
8b9e0f5fe004e455146bc5f0ef6ae8e2d9645c9e5090a4cf044fa2fbe53a0f4d
Tofsee
aea2cbc32b7925ab28e619b8deb5c540ea8e61ad631b02e348be04b87f44627a
Tofsee
+ 6'189 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:arkei family:redline family:smokeloader family:tofsee family:warzonerat family:xmrig botnet:1 botnet:444 backdoor collection discovery evasion infostealer miner persistence rat spyware stealer trojan vmprotect
Link:
https://tria.ge/reports/211219-ep85dafgh2/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
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
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
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
VMProtect packed file
Arkei Stealer Payload
Warzone RAT Payload
XMRig Miner Payload
Amadey
Arkei
Process spawned unexpected child process
RedLine
RedLine Payload
SmokeLoader
Tofsee
WarzoneRat, AveMaria
Windows security bypass
xmrig
Malware Config
C2 Extraction:
http://host-data-coin-11.com/
http://file-coin-host-12.com/
http://srtuiyhuali.at/
http://fufuiloirtu.com/
http://amogohuigotuli.at/
http://novohudosovu.com/
http://brutuilionust.com/
http://bubushkalioua.com/
http://dumuilistrati.at/
http://verboliatsiaeeees.com/
mubrikych.top
oxxyfix.xyz
86.107.197.138:38133
185.215.113.35/d2VxjasuwS/index.php
195.93.173.192:5578
31.131.254.105:1498
Unpacked files
SH256 hash:
721d393191597d49d856baef2fbde75e48f52d0465e2cfabf1a41848b0e05589
MD5 hash:
b984a027c8a2abf874f3eb306a831613
SHA1 hash:
d3b3f8890adc840b0bd411cf304eef15d415ed48
Link:
https://www.unpac.me/results/9c0a2828-2dfd-412f-89e6-1679c6b79742/
Parent samples :
fb9b41efdc7c2d9e8cfda4be223831a9d2f4d21366759da64e04bbbb9e662766
bc9d49f4f0d51c57b34515616d5e6a23a37fec03f8884d8305db0806bd6138fc
ecb96fec4db4a1eecef04c8ef12b260bb419407111c1263664749481b7fa5387
98c920233869ce802fb4722f982fc1a8c2461e2a01ea4a619a9532a660acf285
2fde1682e006e27b2deb49595ab3baf37a836577fbe9efdfae59d4b6b682d8b7
2374069183727dd5904a26027c80032f30dcff60d25019578876c0b37fa9c224
bd3030832602591f05fe01ef11feaa3b9fe776b2a184eb454f02cae3ab73340b
a0f15f4665835bb7f3b07d5e96d2b08af8e88614c9b22fc9fff86f4f60ee1a8e
c91dec1cd5b97079481c76d5d597dde67b60c301ea900eab7db99776d52b465a
SH256 hash:
e6f9478f5ec1f4e62aaaa075b7a1479d2aed7c65a3560659bb3690d36d68c0bb
MD5 hash:
05b03b1ba00752c267e7e892af6f1a8c
SHA1 hash:
7fa922df2958b1182ce1a5f4a1fdbb40a3bc72f3
Link:
https://www.unpac.me/results/9c0a2828-2dfd-412f-89e6-1679c6b79742/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/e6f9478f5ec1/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/e6f9478f5ec1f4e62aaaa075b7a1479d2aed7c65a3560659bb3690d36d68c0bb

File information

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

Web download

Tofsee

Executable exe e6f9478f5ec1f4e62aaaa075b7a1479d2aed7c65a3560659bb3690d36d68c0bb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1865883/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1892559/
Cape
Cape
https://www.capesandbox.com/analysis/215220/

Comments