MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cf1c2459ebb3b6e0f1dd583bad6e85908fccc9ed73aeac6e0c05813834455a1. 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: 15


Intelligence 15 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cf1c2459ebb3b6e0f1dd583bad6e85908fccc9ed73aeac6e0c05813834455a1
SHA3-384 hash: d89a47ac759c5bb95ace9e303dec70f88ebfa13e76a2c702c483af9424b727e4621fa9914cafb25130e513edb14818c6
SHA1 hash: aea838622858c67e76641e0df5c12e8edc1b26e8
MD5 hash: 1ffc685ae781cdb612e6bd6ca295c9bb
humanhash: mike-network-island-hamper
File name:250427-st2gzswk14.bin
Download: download sample
Signature Tofsee
Create hunting rule
File size:13'541'376 bytes
First seen:2025-04-27 15:32:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bd3694527adf0e2f58ae8cb4e18ad5ae (4 x RaccoonStealer, 3 x RedLineStealer, 1 x CryptBot)
ssdeep 6144:jpQ6t5O5aSeJhB5Cnyt+dg/KRJC8jbPzxRL2RjZyjSIQf4GF:jm6+8Rhqnycdg/SljbbxRL+Z6Sr7F
Threatray 1 similar samples on MalwareBazaar
TLSH T11DD65B31A8F40472C4BA40BD3F5C3B1D16FD8AF29245D66F483670D5C8A3B669CE8A5B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 5012b0e068696c46 (8 x RaccoonStealer, 8 x RedLineStealer, 6 x Smoke Loader)
Reporter UNP4CK
Tags:Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
GB GB
Vendor Threat Intelligence
Detection:
Tofsee
Create hunting rule
Link:
https://www.capesandbox.com/analysis/4327/
Detection(s):
Win.Trojan.Raccoon-9903173-1
Create hunting rule

Win.Dropper.Tofsee-9903269-0
Create hunting rule

Win.Trojan.Generic-9903270-0
Create hunting rule

Win.Dropper.Tofsee-9903298-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=680e4d37cc5fb3600cc3549b
Tags:
phishing tofsee emotet mint
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Moving a file to the Windows subdirectory
Creating a service
Launching the process to change the firewall settings
Launching a service
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
DNS request
Connection attempt
Enabling autorun for a service
Query of malicious DNS domain
Unauthorized injection to a system process
Adding exclusions to Windows Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint masquerade microsoft_visual_cc rat virtual
Link:
https://www.filescan.io/uploads/680e4e4c218c4a98ade3f003/reports/23041e0b-eef6-4ab9-9ae3-84cab4232024/overview
Verdict:
Malicious
Labled as:
Mint.Zard.Generic
Link:
https://www.hybrid-analysis.com/sample/8cf1c2459ebb3b6e0f1dd583bad6e85908fccc9ed73aeac6e0c05813834455a1
Malware family:
Tofsee
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4f72f3f0-907b-44f8-9277-c198504174f7
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1675518
Signature
Adds extensions / path to Windows Defender exclusion list (Registry)
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
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 API chain indicative of debugger detection
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Opens the same file many times (likely Sandbox evasion)
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious New Service Creation
System process connects to network (likely due to code injection or exploit)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected Tofsee
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1675518 Sample: 250427-st2gzswk14.bin.exe Startdate: 27/04/2025 Architecture: WINDOWS Score: 100 60 quadoil.ru 2->60 62 lakeflex.ru 2->62 64 7 other IPs or domains 2->64 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for URL or domain 2->76 78 9 other signatures 2->78 8 yrfrjdfs.exe 2->8         started        11 250427-st2gzswk14.bin.exe 2 2->11         started        14 svchost.exe 2->14         started        16 7 other processes 2->16 signatures3 process4 dnsIp5 88 Detected unpacking (changes PE section rights) 8->88 90 Detected unpacking (overwrites its own PE header) 8->90 92 Writes to foreign memory regions 8->92 100 2 other signatures 8->100 19 svchost.exe 1 8->19         started        23 WerFault.exe 2 8->23         started        56 C:\Users\user\AppData\Local\...\yrfrjdfs.exe, PE32 11->56 dropped 94 Uses netsh to modify the Windows network and firewall settings 11->94 96 Modifies the windows firewall 11->96 25 cmd.exe 1 11->25         started        28 netsh.exe 2 11->28         started        30 cmd.exe 2 11->30         started        38 4 other processes 11->38 98 Changes security center settings (notifications, updates, antivirus, firewall) 14->98 32 MpCmdRun.exe 2 14->32         started        58 127.0.0.1 unknown unknown 16->58 34 WerFault.exe 2 16->34         started        36 WerFault.exe 2 16->36         started        file6 signatures7 process8 dnsIp9 66 98.136.96.75, 25 YAHOO-NE1US United States 19->66 68 52.101.41.26, 25 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->68 70 4 other IPs or domains 19->70 80 System process connects to network (likely due to code injection or exploit) 19->80 82 Found API chain indicative of debugger detection 19->82 84 Deletes itself after installation 19->84 86 2 other signatures 19->86 54 C:\Windows\SysWOW64\...\yrfrjdfs.exe (copy), PE32 25->54 dropped 40 conhost.exe 25->40         started        42 conhost.exe 28->42         started        44 conhost.exe 30->44         started        46 conhost.exe 32->46         started        48 conhost.exe 38->48         started        50 conhost.exe 38->50         started        52 conhost.exe 38->52         started        file10 signatures11 process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8cf1c2459ebb3b6e0f1dd583bad6e85908fccc9ed73aeac6e0c05813834455a1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8cf1c2459ebb3b6e0f1dd583bad6e85908fccc9ed73aeac6e0c05813834455a1/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-10-25 07:29:56 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rty4erm6xm5w4dy52wb3vvxileepzte6245ovrxaybmbha2ekwqq._file
Verdict:
malicious
Label(s):
tofsee
Create hunting rule
shellcode_loader_002
Create hunting rule
Similar samples:
error
Tofsee
Result
Malware family:
tofsee
Create hunting rule
Score:
  10/10
Tags:
family:tofsee defense_evasion discovery execution persistence privilege_escalation trojan
Link:
https://tria.ge/reports/250427-szfgpss1ct/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Program crash
System Location Discovery: System Language Discovery
Launches sc.exe
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Executes dropped EXE
Creates new service(s)
Modifies Windows Firewall
Sets service image path in registry
Tofsee
Tofsee family
Malware Config
C2 Extraction:
quadoil.ru
lakeflex.ru
Verdict:
Malicious
Tags:
Win.Trojan.Raccoon-9903173-1
YARA:
n/a
Link:
https://app.threat.zone/submission/7847e00f-895b-463f-a183-897e63114cab
Unpacked files
SH256 hash:
8cf1c2459ebb3b6e0f1dd583bad6e85908fccc9ed73aeac6e0c05813834455a1
MD5 hash:
1ffc685ae781cdb612e6bd6ca295c9bb
SHA1 hash:
aea838622858c67e76641e0df5c12e8edc1b26e8
Link:
https://www.unpac.me/results/0795eed3-ccfc-4dac-a8fa-501469ff3675/
SH256 hash:
448e8aeb2dcd412f100bd4271b6bc0f87d6922877f96d874d74144ec811de88c
MD5 hash:
40f53a7b73d2d93a204c3a74367fb4c2
SHA1 hash:
39e2dcabc45f28f8d6ec36027032d40060abb047
Detections:
win_tofsee_w0
Create hunting rule
Tofsee
Create hunting rule
Detect_Tofsee
Create hunting rule
MALWARE_Win_Tofsee
Create hunting rule
MALWARE_Win_Grum
Create hunting rule
Link:
https://www.unpac.me/results/0795eed3-ccfc-4dac-a8fa-501469ff3675/
Parent samples :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:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8cf1c2459ebb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_Tofsee
Create hunting rule
Author:@malgamy12
Description:Detect_Tofsee
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MALWARE_Win_Grum
Create hunting rule
Author:ditekSHen
Description:Detect Grum spam bot
Rule name:MALWARE_Win_Tofsee
Create hunting rule
Author:ditekSHen
Description:Detects Tofsee
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:tofsee_yhub
Create hunting rule
Author:Billy Austin
Description:Detects Tofsee botnet, also known as Gheg
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Tofsee_26124fe4
Create hunting rule
Author:Elastic Security
Rule name:win_tofsee_bot
Create hunting rule
Author:akrasuski1
Description:Tofsee malware
Rule name:win_tofsee_w0
Create hunting rule
Author:akrasuski1

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/4327/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AddConsoleAliasA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesLengthA
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileA
KERNEL32.dll::GetWindowsDirectoryW

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