MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac492e6a204784df07ef3841b3ae1f8a68b349db90a34d820ba5ea889a0825c6. 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: 8


Intelligence 8 IOCs 1 YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac492e6a204784df07ef3841b3ae1f8a68b349db90a34d820ba5ea889a0825c6
SHA3-384 hash: 44bf02dfdb3f3d6a48e20abed49dadee4a2e046fa9ac920c91be29daef3511b639b5e1d80cdc5ce2c44b15b872c1ccbb
SHA1 hash: 7a8a044095a925ce0cd2676f97e4263ea10112ef
MD5 hash: 06e4f291180ef2ec62e85e7566c3634a
humanhash: nitrogen-bluebird-quebec-rugby
File name:ac492e6a204784df07ef3841b3ae1f8a68b349db90a34.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:242'176 bytes
First seen:2021-09-05 11:41:00 UTC
Last seen:2021-09-05 13:05:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f530acf7acd4a5c8880ba2a4704d4cbb (14 x RaccoonStealer, 4 x Glupteba, 2 x Tofsee)
ssdeep 3072:tMoL3vb7EGwH5qEiU+Tk5fJl683Tm7uySP3/sj91ledm4uHHx4bBvHO3:tTLDoN5qED+4DauBsj91cdm4yWBfO
Threatray 2'022 similar samples on MalwareBazaar
TLSH T12B34AD19FE90EC33D591C27C4425CBB4EE3DFCB51A64458B7748EB6B2E3028056AE366
dhash icon b27e7c7d767e6e76 (3 x RaccoonStealer, 3 x RedLineStealer, 2 x Smoke Loader)
Reporter abuse_ch
Tags:exe Tofsee


Avatar
abuse_ch
Tofsee C2:
http://94.158.245.173/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://94.158.245.173/ https://threatfox.abuse.ch/ioc/215894/

Intelligence

File Origin
# of uploads :
2
# of downloads :
733
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ac492e6a204784df07ef3841b3ae1f8a68b349db90a34.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-05 11:45:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/420a299c-97ee-4fc6-ac10-36acbee7d7f6

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/185439/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader42.18211.22224.3676.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP POST request
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for analyzing tools
Searching for the window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Deleting a recently created file
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Connection attempt to an infection source
Running batch commands
Creating a process with a hidden window
Moving a file to the Windows subdirectory
Launching a process
Unauthorized injection to a recently created process
Stealing user critical data
Query of malicious DNS domain
Sending a TCP request to an infection source
Deleting of the original file
Enabling autorun by creating a file
Unauthorized injection to a system process
Gathering data
Result
Threat name:
Raccoon RedLine SmokeLoader Tofsee Xmrig
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/845530
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
.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
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)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to identify kernel process list (PsInitialSystemProcess)
Contains functionality to steal Internet Explorer form passwords
Creates a thread in another existing process (thread injection)
Creates files in alternative data streams (ADS)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Drops executables to the windows directory (C:\Windows) and starts them
Found strings related to Crypto-Mining
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
Malicious sample detected (through community Yara rule)
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
PE file has a writeable .text section
Performs DNS queries to domains with low reputation
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Send many emails (e-Mail Spam)
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 delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
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
Writes to foreign memory regions
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 477961 Sample: ac492e6a204784df07ef3841b3a... Startdate: 05/09/2021 Architecture: WINDOWS Score: 100 100 btinternet.com 2->100 102 xplornet.ca 2->102 104 137 other IPs or domains 2->104 122 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->122 124 Multi AV Scanner detection for domain / URL 2->124 126 Malicious sample detected (through community Yara rule) 2->126 130 23 other signatures 2->130 12 ac492e6a204784df07ef3841b3ae1f8a68b349db90a34.exe 2->12         started        15 ydzrpse.exe 2->15         started        17 jefuegi 2->17         started        19 12 other processes 2->19 signatures3 128 System process connects to network (likely due to code injection or exploit) 100->128 process4 dnsIp5 182 Detected unpacking (changes PE section rights) 12->182 22 ac492e6a204784df07ef3841b3ae1f8a68b349db90a34.exe 12->22         started        184 Writes to foreign memory regions 15->184 186 Allocates memory in foreign processes 15->186 188 Injects a PE file into a foreign processes 15->188 25 svchost.exe 15->25         started        190 Multi AV Scanner detection for dropped file 17->190 192 Machine Learning detection for dropped file 17->192 29 jefuegi 17->29         started        106 127.0.0.1 unknown unknown 19->106 108 igbyugfwbwb5.xyz 19->108 194 Changes security center settings (notifications, updates, antivirus, firewall) 19->194 196 Performs DNS queries to domains with low reputation 19->196 31 WerFault.exe 19->31         started        signatures6 process7 dnsIp8 140 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 22->140 142 Maps a DLL or memory area into another process 22->142 144 Checks if the current machine is a virtual machine (disk enumeration) 22->144 146 Creates a thread in another existing process (thread injection) 22->146 33 explorer.exe 17 22->33 injected 110 www.google.com 25->110 112 ty.emaildgqw.com 25->112 114 54 other IPs or domains 25->114 92 C:\Windows\SysWOW64\...\systemprofile:.repos, data 25->92 dropped 148 System process connects to network (likely due to code injection or exploit) 25->148 150 Creates files in alternative data streams (ADS) 25->150 152 Contains functionality to identify kernel process list (PsInitialSystemProcess) 25->152 154 Injects a PE file into a foreign processes 25->154 file9 signatures10 process11 dnsIp12 94 193.56.146.41, 49734, 9080 LVLT-10753US unknown 33->94 96 sdfghjklemm3.xyz 185.195.27.138, 49707, 49708, 49709 SUPERSERVERSDATACENTERRU Russian Federation 33->96 98 6 other IPs or domains 33->98 82 C:\Users\user\AppData\Roaming\jefuegi, PE32 33->82 dropped 84 C:\Users\user\AppData\Local\Temp\D4D4.exe, PE32 33->84 dropped 86 C:\Users\user\AppData\Local\Temp\CCA6.exe, PE32 33->86 dropped 88 6 other malicious files 33->88 dropped 132 System process connects to network (likely due to code injection or exploit) 33->132 134 Benign windows process drops PE files 33->134 136 Performs DNS queries to domains with low reputation 33->136 138 2 other signatures 33->138 38 3FB1.exe 33->38         started        41 D4D4.exe 33->41         started        44 90E1.exe 3 33->44         started        46 8 other processes 33->46 file13 signatures14 process15 dnsIp16 156 Antivirus detection for dropped file 38->156 158 Multi AV Scanner detection for dropped file 38->158 160 Machine Learning detection for dropped file 38->160 176 4 other signatures 38->176 90 C:\Users\user\AppData\Local\...\ydzrpse.exe, PE32 41->90 dropped 162 Detected unpacking (changes PE section rights) 41->162 164 Uses netsh to modify the Windows network and firewall settings 41->164 166 Modifies the windows firewall 41->166 49 cmd.exe 41->49         started        52 cmd.exe 41->52         started        54 sc.exe 41->54         started        64 3 other processes 41->64 168 Query firmware table information (likely to detect VMs) 44->168 178 2 other signatures 44->178 56 conhost.exe 44->56         started        116 77.232.38.196 EUT-ASEUTIPNetworkRU Russian Federation 46->116 118 www.google.com 172.217.168.68, 49745, 80 GOOGLEUS United States 46->118 120 google.com 216.58.215.238, 49744, 80 GOOGLEUS United States 46->120 170 Tries to detect sandboxes and other dynamic analysis tools (window names) 46->170 172 Contains functionality to steal Internet Explorer form passwords 46->172 174 Sample uses process hollowing technique 46->174 180 2 other signatures 46->180 58 conhost.exe 46->58         started        60 conhost.exe 46->60         started        62 conhost.exe 46->62         started        66 3 other processes 46->66 file17 signatures18 process19 file20 80 C:\Windows\SysWOW64\...\ydzrpse.exe (copy), PE32 49->80 dropped 68 conhost.exe 49->68         started        70 conhost.exe 52->70         started        72 conhost.exe 54->72         started        74 conhost.exe 64->74         started        76 conhost.exe 64->76         started        process21 process22 78 conhost.exe 68->78         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac492e6a204784df07ef3841b3ae1f8a68b349db90a34d820ba5ea889a0825c6/
Threat name:
Win32.Trojan.RacoonStealer
Create hunting rule
Status:
Malicious
First seen:
2021-09-05 07:42:58 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vres42rai6cn6b7phba3hlq7rjulgso3scru3aqluxvirgqiexda._file
Verdict:
suspicious
Similar samples:
2719fd90e145c3520563231bf1e70417e5dc84cf275046f01ce1fe81f52c5381
Tofsee
2ff77816fa6b9e2fdbc630e06a003b09228f39887f8dfea7f8020d9346bd2324
Tofsee
3fe70737f4c556e55f6ff23ebde2d84d9867059847105623d9414a57abfda632
Tofsee
42dbfa5efe80e105779d68ff235e542aea125899495f2c7feea11471531238fd
Tofsee
4dd3b8c14d77c4099c86f0fe88a0e58995f45da816eeb36845b1192b91c48e66
Tofsee
560d1e1c846bb66402c793a3e44991b637d82d1ce3ef6c89e443b9b2602b6e3b
Tofsee
5b742d7fc7f00ec13442daf22ff2bb2b856e5083eee18fffc267185bfbb7720b
Tofsee
6c7390a207bf7d3ce9df2c9df04609bbc6176eb958294f760e9167553fd05428
Tofsee
6f746dfc7c53944b60e4fdc29fdea740ae8ceaf98126262258fd38ecf166cba5
Tofsee
9fc2a95067df754bbafd860e8a3d5b5881ae097fe107aeff86d4945830fcbba7
Tofsee
+ 2'012 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:@vibro337 botnet:fe582536ec580228180f270f7cb80a867860e010 botnet:install botnet:ytoobe backdoor discovery evasion infostealer miner persistence spyware stealer themida trojan
Link:
https://tria.ge/reports/210905-nte7jacgck/
Behaviour
Checks SCSI registry key(s)
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 UnmapMainImage
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 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
Suspicious use of NtCreateProcessExOtherParentProcess
Tofsee
Windows security bypass
xmrig
Malware Config
C2 Extraction:
http://fioajfoiarjfoi1.xyz/
http://rdukhnihioh2.xyz/
http://sdfghjklemm3.xyz/
http://eruiopijhgnn4.xyz/
http://igbyugfwbwb5.xyz/
http://shfuhfuwhhc6.xyz/
http://ersyglhjkuij7.xyz/
http://ygyguguuju8.store/
http://resbkjpokfct9.store/
http://sdfygfygu10.store/
http://hbibhibihnj11.store/
http://vfwlkjhbghg12.store/
http://poiuytrcvb13.store/
http://xsedfgtbh14.store/
http://iknhyghggh15.store/
http://wnlonevkiju16.site/
http://gfyufuhhihioh17.site/
http://nsgiuwrevi18.site/
http://oiureveiuv19.site/
http://ovrnevnriuen20.site/
http://apowkfeeifin21.site/
http://mewmofinoine22.site/
http://iefhuiehruiu23.site/
http://vjrnnvinerovn24.club/
http://roimvnnvwniov25.club/
http://fwenmfioewnjo26.club/
http://ewoijioewoif27.club/
http://fwjenfuihew28.club/
http://fwkejnfuiewn29.club/
http://fwkjenfuewnh30.club/
http://rigtestforum.ru/board/
http://rigtestforum.click/board/
http://rigtestforum.to/board/
185.167.97.37:30904
77.232.38.196:59743
46.8.19.177:41228
Unpacked files
SH256 hash:
560d1e1c846bb66402c793a3e44991b637d82d1ce3ef6c89e443b9b2602b6e3b
MD5 hash:
e369a4ae59ce3b82b5ed8054f0597341
SHA1 hash:
cd3518495e662b758e3b72b6bfc409a4fdfcc0df
Link:
https://www.unpac.me/results/0f94fe9a-4d87-46d7-ac9a-db45d45409b3/
SH256 hash:
ac492e6a204784df07ef3841b3ae1f8a68b349db90a34d820ba5ea889a0825c6
MD5 hash:
06e4f291180ef2ec62e85e7566c3634a
SHA1 hash:
7a8a044095a925ce0cd2676f97e4263ea10112ef
Link:
https://www.unpac.me/results/0f94fe9a-4d87-46d7-ac9a-db45d45409b3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ac492e6a2047/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/ac492e6a204784df07ef3841b3ae1f8a68b349db90a34d820ba5ea889a0825c6

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/185439/

Comments