MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0541c102ec2c654af741946d29f01573b0b94d68a53a4f2e9f2488c4042b6eea. 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: 0541c102ec2c654af741946d29f01573b0b94d68a53a4f2e9f2488c4042b6eea
SHA3-384 hash: 78e2aa74da4f29e2d303269224bf2d9e54f4d63c0737c27b0b64b90513dd806fee5fe7572847a4d0d2e22b7fc5b29d9a
SHA1 hash: 8e8fda0ea0dce2b9644a2fba623f3ad9ac6d44c5
MD5 hash: 1847ae6800026b7461c435a8bb19edf6
humanhash: item-virginia-spring-helium
File name:1847ae6800026b7461c435a8bb19edf6.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:192'512 bytes
First seen:2021-09-18 05:31:02 UTC
Last seen:2021-09-18 06:46:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0e5928597ea1bd6370095e212766ea54 (5 x RaccoonStealer, 3 x RedLineStealer, 1 x Tofsee)
ssdeep 3072:2+kGpH/nw8gXGRII2T1VYhm1ItkW5EGVLSQEOJHNn1H7QBJLB:Ntw82gIRemJGz5JHR1H7i
Threatray 9'435 similar samples on MalwareBazaar
TLSH T11F149D10B590C4F1F7961530B823CEA05AFAFCE795AC864B7BD83B7E6F602D04626356
dhash icon 327a7c7d727e6e72 (1 x Tofsee, 1 x RedLineStealer)
Reporter abuse_ch
Tags:exe Tofsee


Avatar
abuse_ch
Tofsee C2:
http://194.180.174.95/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://194.180.174.95/ https://threatfox.abuse.ch/ioc/223257/

Intelligence

File Origin
# of uploads :
2
# of downloads :
746
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1847ae6800026b7461c435a8bb19edf6.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-18 05:34:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1fd67c28-e32e-4fe1-8534-0b63a96a46cf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
zeus
Create hunting rule
Link:
https://www.capesandbox.com/analysis/188882/
Detection(s):
SecuriteInfo.com.Variant.Fragtor.22004.22955.31615.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/52f98ffc-2d1e-4627-809c-a3c04369188a
Result
Threat name:
RedLine SmokeLoader Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/853131
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.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
Changes security center settings (notifications, updates, antivirus, firewall)
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)
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
Multi AV Scanner detection for dropped file
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
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)
Uses known network protocols on non-standard ports
Uses the Telegram API (likely for C&C communication)
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 485562 Sample: HuZntN8nA2.exe Startdate: 18/09/2021 Architecture: WINDOWS Score: 100 81 telete.in 2->81 83 sherence.ru 2->83 85 5 other IPs or domains 2->85 123 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->123 125 Antivirus detection for URL or domain 2->125 127 Multi AV Scanner detection for submitted file 2->127 129 16 other signatures 2->129 11 HuZntN8nA2.exe 2->11         started        14 jfsbbau 2->14         started        16 svchost.exe 2->16         started        18 11 other processes 2->18 signatures3 process4 dnsIp5 139 Detected unpacking (changes PE section rights) 11->139 21 HuZntN8nA2.exe 11->21         started        141 Multi AV Scanner detection for dropped file 14->141 143 Machine Learning detection for dropped file 14->143 145 Contains functionality to inject code into remote processes 14->145 147 Injects a PE file into a foreign processes 14->147 24 jfsbbau 14->24         started        149 Changes security center settings (notifications, updates, antivirus, firewall) 16->149 87 127.0.0.1 unknown unknown 18->87 89 192.168.2.1 unknown unknown 18->89 26 WerFault.exe 18->26         started        signatures6 process7 signatures8 131 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 21->131 133 Maps a DLL or memory area into another process 21->133 135 Checks if the current machine is a virtual machine (disk enumeration) 21->135 137 Creates a thread in another existing process (thread injection) 21->137 28 explorer.exe 11 21->28 injected process9 dnsIp10 97 216.128.137.31, 80 AS-CHOOPAUS United States 28->97 99 venerynnet1.top 45.144.67.29, 49740, 49741, 49742 SUPERSERVERSDATACENTERRU Russian Federation 28->99 101 2 other IPs or domains 28->101 73 C:\Users\user\AppData\Roaming\jfsbbau, PE32 28->73 dropped 75 C:\Users\user\AppData\Local\Temp\9CCC.exe, PE32 28->75 dropped 77 C:\Users\user\AppData\Local\Temp\6228.exe, PE32 28->77 dropped 79 3 other malicious files 28->79 dropped 159 System process connects to network (likely due to code injection or exploit) 28->159 161 Benign windows process drops PE files 28->161 163 Deletes itself after installation 28->163 165 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->165 33 4596.exe 28->33         started        36 6228.exe 3 28->36         started        39 9CCC.exe 28->39         started        41 4 other processes 28->41 file11 signatures12 process13 dnsIp14 103 Multi AV Scanner detection for dropped file 33->103 105 Detected unpacking (changes PE section rights) 33->105 107 Machine Learning detection for dropped file 33->107 44 4596.exe 33->44         started        91 188.124.36.242, 25802, 49816, 49825 SELECTELRU Russian Federation 36->91 109 Query firmware table information (likely to detect VMs) 36->109 111 Hides threads from debuggers 36->111 113 Tries to detect sandboxes / dynamic malware analysis system (registry check) 36->113 47 conhost.exe 36->47         started        115 Tries to detect sandboxes and other dynamic analysis tools (window names) 39->115 49 conhost.exe 39->49         started        93 a.uguu.se 144.76.201.136, 443, 49804, 49813 HETZNER-ASDE Germany 41->93 71 C:\Users\user\AppData\Local\...\qgggvmsk.exe, PE32 41->71 dropped 117 Antivirus detection for dropped file 41->117 119 Detected unpacking (overwrites its own PE header) 41->119 121 Injects a PE file into a foreign processes 41->121 51 cmd.exe 41->51         started        54 514F.exe 2 41->54         started        57 cmd.exe 41->57         started        59 6 other processes 41->59 file15 signatures16 process17 dnsIp18 151 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 44->151 153 Maps a DLL or memory area into another process 44->153 155 Checks if the current machine is a virtual machine (disk enumeration) 44->155 157 Creates a thread in another existing process (thread injection) 44->157 69 C:\Windows\SysWOW64\...\qgggvmsk.exe (copy), PE32 51->69 dropped 61 conhost.exe 51->61         started        95 93.115.20.139, 28978, 49795 MVPShttpswwwmvpsnetEU Romania 54->95 63 conhost.exe 57->63         started        65 conhost.exe 59->65         started        67 conhost.exe 59->67         started        file19 signatures20 process21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0541c102ec2c654af741946d29f01573b0b94d68a53a4f2e9f2488c4042b6eea/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-09-18 01:28:00 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ava4caxmfrsuv52bsrwst4avooylstliuu5e6lu7esemibbln3va._file
Verdict:
malicious
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Tofsee
25fe2ca9ad178c937ffecc4ff789a26616e045ac000e3a01768c6f6877747e5e
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f9413fb1d83a6b6c776d29b764d28895bc7b7d878d1a9c317c3d5a00fd288a99
Tofsee
+ 9'425 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:mix 1592021 backdoor discovery evasion infostealer miner persistence spyware stealer suricata themida trojan
Link:
https://tria.ge/reports/210918-f7rtgsbfgl/
Behaviour
Checks SCSI registry key(s)
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
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
Adds Run key to start application
Checks installed software on the system
Checks whether UAC is enabled
Checks BIOS information in registry
Deletes itself
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Themida packer
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 Sharik/Smoke CnC Beacon 11
xmrig
Malware Config
C2 Extraction:
http://venerynnet1.top/
http://kevonahira2.top/
http://vegangelist3.top/
http://kingriffaele4.top/
http://arakeishant5.top/
93.115.20.139:28978
Unpacked files
SH256 hash:
61a8d403c777699f36db41e26c95ee6f29ff6cdbc4b3768bd06db2aa6bdfe2f7
MD5 hash:
cfcd9c4378e041fb0d07d607727c024b
SHA1 hash:
7e06773d4a2e07501b171e0187e2997cc7de1dac
Link:
https://www.unpac.me/results/d57c9421-9eab-4651-a768-8ff1f0c63bf8/
SH256 hash:
0541c102ec2c654af741946d29f01573b0b94d68a53a4f2e9f2488c4042b6eea
MD5 hash:
1847ae6800026b7461c435a8bb19edf6
SHA1 hash:
8e8fda0ea0dce2b9644a2fba623f3ad9ac6d44c5
Link:
https://www.unpac.me/results/d57c9421-9eab-4651-a768-8ff1f0c63bf8/
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/0541c102ec2c654af741946d29f01573b0b94d68a53a4f2e9f2488c4042b6eea

File information

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

Web download

Tofsee

Executable exe 0541c102ec2c654af741946d29f01573b0b94d68a53a4f2e9f2488c4042b6eea

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1612961/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/188882/

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