MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1f60998a8fd6324d85ffcd7a1dbc44e2e64b124dba6f293524dfc4e3096a87b. 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: 9


Intelligence 9 IOCs 2 YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1f60998a8fd6324d85ffcd7a1dbc44e2e64b124dba6f293524dfc4e3096a87b
SHA3-384 hash: bf9bf6da58d377434ac61d18b91d2074f8b67ba9caac09f3efeee141d84d3fbf48222fb0fd594059b9af3d4e670dbd41
SHA1 hash: d56236cfaf2be8d38a55e0a0834acd65eb28ba36
MD5 hash: 772a45d37cb1098c2d85af27537a44c6
humanhash: purple-helium-seventeen-table
File name:772a45d37cb1098c2d85af27537a44c6.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:276'992 bytes
First seen:2021-10-01 04:46:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5ec7f7aedfe92c1b2393798c6fa1e0e0 (9 x RaccoonStealer, 3 x RedLineStealer, 2 x ArkeiStealer)
ssdeep 6144:RLkqVPj2bO8H5qJL6oZOOhxxdeTr/ekI:bj2baL6odzxd6L
Threatray 4'841 similar samples on MalwareBazaar
TLSH T1D2449D0A7682CFF2D57101F1AB46C7E1492DBD7C4D27B64F3B88361E7E7D2A19A21242
File icon (PE):PE icon
dhash icon 4839b234e8c38890 (121 x RaccoonStealer, 54 x RedLineStealer, 51 x ArkeiStealer)
Reporter abuse_ch
Tags:exe Tofsee


Avatar
abuse_ch
Tofsee C2:
http://94.158.245.135/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://94.158.245.135/ https://threatfox.abuse.ch/ioc/229045/
188.72.208.174:38430 https://threatfox.abuse.ch/ioc/229066/

Intelligence

File Origin
# of uploads :
1
# of downloads :
787
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
772a45d37cb1098c2d85af27537a44c6.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-01 04:47:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2ecfe34e-a805-4db5-84d4-bfcb3a6f528d

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/193847/
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/af609789-8fd5-4baf-9f6b-41e250fe95f4
Result
Threat name:
Raccoon RedLine SmokeLoader Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/862456
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
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 hide a thread from the debugger
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)
DLL side loading technique detected
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
PE file contains section with special chars
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)
Tries to harvest and steal browser information (history, passwords, etc)
Uses known network protocols on non-standard ports
Yara detected AntiVM3
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 494884 Sample: p41beKhccS.exe Startdate: 01/10/2021 Architecture: WINDOWS Score: 100 88 defeatwax.ru 2->88 90 api.ip.sb 2->90 110 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->110 112 Multi AV Scanner detection for domain / URL 2->112 114 Antivirus detection for URL or domain 2->114 116 15 other signatures 2->116 11 p41beKhccS.exe 2->11         started        14 fegfvfv 2->14         started        16 svchost.exe 2->16         started        18 7 other processes 2->18 signatures3 process4 signatures5 144 Detected unpacking (changes PE section rights) 11->144 146 Contains functionality to inject code into remote processes 11->146 148 Injects a PE file into a foreign processes 11->148 20 p41beKhccS.exe 11->20         started        23 fegfvfv 14->23         started        150 Changes security center settings (notifications, updates, antivirus, firewall) 16->150 25 MpCmdRun.exe 16->25         started        152 DLL side loading technique detected 18->152 process6 signatures7 118 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 20->118 120 Maps a DLL or memory area into another process 20->120 122 Checks if the current machine is a virtual machine (disk enumeration) 20->122 124 Creates a thread in another existing process (thread injection) 20->124 27 explorer.exe 14 20->27 injected 32 conhost.exe 25->32         started        process8 dnsIp9 104 193.56.146.41, 49807, 9080 LVLT-10753US unknown 27->104 106 216.128.137.31, 80 AS-CHOOPAUS United States 27->106 108 3 other IPs or domains 27->108 80 C:\Users\user\AppData\Roaming\fegfvfv, PE32 27->80 dropped 82 C:\Users\user\AppData\Local\Temp\FA7F.exe, PE32 27->82 dropped 84 C:\Users\user\AppData\Local\TempD3F.exe, PE32 27->84 dropped 86 5 other malicious files 27->86 dropped 154 System process connects to network (likely due to code injection or exploit) 27->154 156 Benign windows process drops PE files 27->156 158 Deletes itself after installation 27->158 160 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->160 34 1934.exe 27->34         started        39 19D9.exe 27->39         started        41 82C.exe 27->41         started        43 4 other processes 27->43 file10 signatures11 process12 dnsIp13 92 94.158.245.135, 49873, 80 MIVOCLOUDMD Moldova Republic of 34->92 94 t.me 149.154.167.99, 443, 49872 TELEGRAMRU United Kingdom 34->94 68 C:\Users\user\AppData\...\vcruntime140.dll, PE32 34->68 dropped 70 C:\Users\user\AppData\...\ucrtbase.dll, PE32 34->70 dropped 72 C:\Users\user\AppData\...\softokn3.dll, PE32 34->72 dropped 76 56 other files (none is malicious) 34->76 dropped 126 Detected unpacking (changes PE section rights) 34->126 128 Detected unpacking (overwrites its own PE header) 34->128 130 Tries to harvest and steal browser information (history, passwords, etc) 34->130 45 19D9.exe 39->45         started        132 Query firmware table information (likely to detect VMs) 41->132 134 Tries to detect sandboxes and other dynamic analysis tools (window names) 41->134 136 Hides threads from debuggers 41->136 48 conhost.exe 41->48         started        96 cdn.discordapp.com 162.159.133.233, 443, 49828 CLOUDFLARENETUS United States 43->96 98 192.168.2.1 unknown unknown 43->98 74 C:\Users\user\AppData\Local\...\ipsqrrhv.exe, PE32 43->74 dropped 138 Injects a PE file into a foreign processes 43->138 140 Tries to detect sandboxes / dynamic malware analysis system (registry check) 43->140 142 Contains functionality to hide a thread from the debugger 43->142 50 1F29.exe 14 2 43->50         started        53 cmd.exe 43->53         started        56 ED3F.exe 43->56         started        58 6 other processes 43->58 file14 signatures15 process16 dnsIp17 162 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 45->162 164 Maps a DLL or memory area into another process 45->164 166 Checks if the current machine is a virtual machine (disk enumeration) 45->166 168 Creates a thread in another existing process (thread injection) 45->168 100 188.72.208.174, 38430, 49874 WEBZILLANL Netherlands 50->100 102 api.ip.sb 50->102 78 C:\Windows\SysWOW64\...\ipsqrrhv.exe (copy), PE32 53->78 dropped 60 conhost.exe 53->60         started        62 conhost.exe 56->62         started        64 conhost.exe 58->64         started        66 conhost.exe 58->66         started        file18 signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1f60998a8fd6324d85ffcd7a1dbc44e2e64b124dba6f293524dfc4e3096a87b/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-10-01 04:47:18 UTC
AV detection:
13 of 45 (28.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yh3atgfi7vrsjwc77tl2dw6ejyxgjmje3otpfe2sjx6e4mewvb5q._file
Verdict:
malicious
Similar samples:
44e29e5cd002e8d4d4f13432847f38fa79a1667b5fdef9b9f316c3501f3bb480
Tofsee
4ba939154ee9df1004629da3aee541a36eb4faabe421190ddbbbf1ccd195e03a
Tofsee
85450b08c8b089b5a642511b086c838e568dbc5a30174a398bb44eb62db6fdb6
Tofsee
d14036b4ab78b2c6121138471582c33a4bf0dbd2076f4c9e640d34a994fce2d3
Tofsee
d4bec541272c470bc24653ca13fe85d4011e300b79026b767c6bd3abcb93b637
Tofsee
d852901bdc93f05c0dbb9692dfe08ca5465dadce441ef722b617314578fd5c0f
Tofsee
d9d7046f7539fd97259759a51b02650790a961ddb0d8f0b9f31c76faf6d63a91
Tofsee
e01749cfd587ae7029247ef900df2eb0e89e2fc594ca665d460a73bfa9564647
Tofsee
ec078bf46a67bb519f2f15227a024af19356993f9b5b26bd16d9248f42fb373d
Tofsee
f085d79b0b46ad9eda7f2191e2e668314553251ab5d0f4936f84cd2c1afa2564
Tofsee
+ 4'831 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:114кk botnet:5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4 botnet:r backdoor discovery evasion infostealer miner persistence spyware stealer themida trojan
Link:
https://tria.ge/reports/211001-fejmeaagf6/
Behaviour
Checks SCSI registry key(s)
Delays execution with timeout.exe
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
Program crash
Drops file in Windows directory
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
Windows security modification
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)
Nirsoft
XMRig Miner Payload
Modifies Windows Defender Real-time Protection settings
Raccoon
RedLine
RedLine Payload
SmokeLoader
Tofsee
Turns off Windows Defender SpyNet reporting
Windows security bypass
xmrig
Malware Config
C2 Extraction:
http://fiskahlilian16.top/
http://paishancho17.top/
http://ydiannetter18.top/
http://azarehanelle19.top/
http://quericeriant20.top/
188.72.208.174:38430
193.56.146.60:18243
Unpacked files
SH256 hash:
592b089027938156e18387e4402b965a5f1ffc25e96d7efc3aa9331254587bdd
MD5 hash:
2dbb1eb8c40c88994738a736ad55c79b
SHA1 hash:
88e2fc9242606c7dfcd68d5da8c6d457837157a3
Link:
https://www.unpac.me/results/971bd08a-6d9e-4a1f-9a42-f1d671646479/
SH256 hash:
c1f60998a8fd6324d85ffcd7a1dbc44e2e64b124dba6f293524dfc4e3096a87b
MD5 hash:
772a45d37cb1098c2d85af27537a44c6
SHA1 hash:
d56236cfaf2be8d38a55e0a0834acd65eb28ba36
Link:
https://www.unpac.me/results/971bd08a-6d9e-4a1f-9a42-f1d671646479/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c1f60998a8fd/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/c1f60998a8fd6324d85ffcd7a1dbc44e2e64b124dba6f293524dfc4e3096a87b

File information

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

Web download

Tofsee

Executable exe c1f60998a8fd6324d85ffcd7a1dbc44e2e64b124dba6f293524dfc4e3096a87b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1649571/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/193847/

Comments