MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82400202f2bfeaa2b43111ad71931f00a27f47409001ece27f54009440b1643f. 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: 18


Intelligence 18 IOCs YARA 27 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82400202f2bfeaa2b43111ad71931f00a27f47409001ece27f54009440b1643f
SHA3-384 hash: 6f9c2b4bab85e6cb8c01655f78e28094b87bafc2326364594600de1193f830b6dddfcc4684ff99c30f047e23c013829b
SHA1 hash: ec4bb6338c8a022530eefe60071bd500ec054d2d
MD5 hash: ff902a84f55eca08bb91ef9c677ef3af
humanhash: sink-shade-finch-beryllium
File name:82400202f2bfeaa2b43111ad71931f00a27f47409001ece27f54009440b1643f.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:7'264'811 bytes
First seen:2025-11-14 18:13:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e8ac1646024d52d1534a88da2e8037cd (7 x OffLoader, 7 x HijackLoader, 5 x Tofsee)
ssdeep 49152:pDXr89ns5kXCvW+IkxGZ2rBYVjBB1KnXy8QJ+FPslspd2QfqcdJaRXJykpucT9ER:pDbGsORf0SVjH1ck+lsqeKrMXbu4g
Threatray 1 similar samples on MalwareBazaar
TLSH T117760117A94E533EE46A19350A739F48553FAED0A81A8CE392E43E0CCE394511D7FE1B
TrID 49.8% (.EXE) Inno Setup installer (107240/4/30)
20.0% (.EXE) InstallShield setup (43053/19/16)
19.3% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
4.8% (.EXE) Win64 Executable (generic) (10522/11/4)
2.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter aachum
Tags:dropped-by-gcleaner exe Tofsee


Avatar
iamaachum
Tofsee C2: quag.cn

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
tofsee
Create hunting rule
ID:
1
File name:
82400202f2bfeaa2b43111ad71931f00a27f47409001ece27f54009440b1643f.exe
Verdict:
Malicious activity
Analysis date:
2025-11-14 18:13:59 UTC
Tags:
drayn stealer tofsee upx
Link:
https://app.any.run/tasks/801fd9d4-e05c-4f01-9aca-8fb115192ccb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Tofsee
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38236/
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69177166434cd67b17c155dc
Tags:
injection dropper obfusc
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file
Moving a recently created file
DNS request
Connection attempt
Enabling the 'hidden' option for recently created files
Sending a custom TCP request
Connecting to a non-recommended domain
Launching a service
Launching a process
Sending an HTTP GET request
Connection attempt to an infection source
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug embarcadero_delphi expand expired-cert fingerprint inno installer installer installer-heuristic invalid-signature lolbin overlay packed signed zero
Link:
https://www.filescan.io/uploads/6917717c253c565f83ffd065/reports/d5c0d073-c475-43ad-b53b-52b9b9c428e8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/82400202f2bfeaa2b43111ad71931f00a27f47409001ece27f54009440b1643f
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-13T16:45:00Z UTC
Last seen:
2025-11-16T15:43:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.RokRat.sb Trojan.Win32.Mansabo.sb Backdoor.Win32.Tofsee.sb Backdoor.Remcos.TCP.C&C Backdoor.Win32.Tofsee.efib Backdoor.Tofsee.TCP.C&C Trojan.Win32.Shellcode.sb NetTool.PlainTextCredentials.SMTP.C&C not-a-virus:RiskTool.Win32.BitCoinMiner.sb
Link:
https://opentip.kaspersky.com/82400202f2bfeaa2b43111ad71931f00a27f47409001ece27f54009440b1643f/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c826d6b6-5726-4638-a6ae-12f7009e760b
Result
Threat name:
n/a
Detection:
suspicious
Classification:
evad
Score:
37 / 100
Link:
https://www.joesandbox.com/analysis/1814373
Signature
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 process2 2 Behavior Graph ID: 1814373 Sample: gxBV186T8f.exe Startdate: 14/11/2025 Architecture: WINDOWS Score: 37 9 gxBV186T8f.exe 2 2->9         started        file3 37 C:\Users\user\AppData\...\gxBV186T8f.tmp, PE32 9->37 dropped 43 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->43 13 gxBV186T8f.tmp 3 5 9->13         started        signatures4 process5 file6 39 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->39 dropped 41 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 13->41 dropped 45 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->45 17 gxBV186T8f.exe 2 13->17         started        signatures7 process8 file9 27 C:\Users\user\AppData\...\gxBV186T8f.tmp, PE32 17->27 dropped 20 gxBV186T8f.tmp 5 13 17->20         started        process10 file11 29 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 20->29 dropped 31 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 20->31 dropped 33 C:\ProgramData\...\msvcr80.dll (copy), PE32 20->33 dropped 35 13 other files (none is malicious) 20->35 dropped 23 kxetray.exe 20->23         started        process12 process13 25 WerFault.exe 19 16 23->25         started       
Score:
81%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/82400202f2bfeaa2b43111ad71931f00a27f47409001ece27f54009440b1643f
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/82400202f2bfeaa2b43111ad71931f00a27f47409001ece27f54009440b1643f/
Verdict:
Malicious
Threat:
Backdoor.Win32.TCP
Link:
https://tip.neiki.dev/file/82400202f2bfeaa2b43111ad71931f00a27f47409001ece27f54009440b1643f
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-11-14 18:14:01 UTC
File Type:
PE (Exe)
AV detection:
7 of 38 (18.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qjaaeaxsx7vkfnbrcgwxdey7acrh6r2asaa6zyt7kqajiqfrmq7q._file
Verdict:
malicious
Label(s):
tofsee
Create hunting rule
Similar samples:
error
Tofsee
Result
Malware family:
tofsee
Create hunting rule
Score:
  10/10
Tags:
family:tofsee defense_evasion discovery trojan upx
Link:
https://tria.ge/reports/251114-wvgezsfk8w/
Behaviour
Modifies Control Panel
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
UPX packed file
ACProtect 1.3x - 1.4x DLL software
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Tofsee
Tofsee family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/279acb03-fd98-4855-8873-0de57d8cea5c
Unpacked files
SH256 hash:
82400202f2bfeaa2b43111ad71931f00a27f47409001ece27f54009440b1643f
MD5 hash:
ff902a84f55eca08bb91ef9c677ef3af
SHA1 hash:
ec4bb6338c8a022530eefe60071bd500ec054d2d
Link:
https://www.unpac.me/results/90ea570f-4110-485f-b56a-58614793ffac/
SH256 hash:
08080d30c675c6259b7f612c8a4c1881439adf92ed22fdd44ca5c40a52e0a28c
MD5 hash:
7e8af71205205479a01d14540092e9a2
SHA1 hash:
636fa79696883ff1aa9380a1bbe0b8d2d8fe16ae
Link:
https://www.unpac.me/results/90ea570f-4110-485f-b56a-58614793ffac/
SH256 hash:
388a796580234efc95f3b1c70ad4cb44bfddc7ba0f9203bf4902b9929b136f95
MD5 hash:
e4211d6d009757c078a9fac7ff4f03d4
SHA1 hash:
019cd56ba687d39d12d4b13991c9a42ea6ba03da
Link:
https://www.unpac.me/results/90ea570f-4110-485f-b56a-58614793ffac/
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/82400202f2bfeaa2b43111ad71931f00a27f47409001ece27f54009440b1643f

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:Borland
Create hunting rule
Author:malware-lu
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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:MAL_packer_lb_was_detected
Create hunting rule
Author:0x0d4y
Description:Detect the packer used by Lockbit4.0
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Generic_Threat_c9003b7b
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.

Web download

Tofsee

Executable exe 82400202f2bfeaa2b43111ad71931f00a27f47409001ece27f54009440b1643f

(this sample)

  
Link
https://tria.ge/251114-wp2tqs1jgk/behavioral2
  
Dropped by
GCleaner
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/38236/

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