MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6e3b3ce73e03b20ceabd7fb146f18e0a062c704249faa8b79ba9598f9949a93. 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: 17


Intelligence 17 IOCs YARA 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e6e3b3ce73e03b20ceabd7fb146f18e0a062c704249faa8b79ba9598f9949a93
SHA3-384 hash: ea1e2f70eb4345ea31f1380267a0cd4ddd2b9874da199b6e06ee73c8b737f4be88e8db160c609ed36038101c7b83ddae
SHA1 hash: f370724c8ca9ebd9102c20bb5e93c4834208535f
MD5 hash: 8a2e5e3047bec7d8d866a8113a00a43d
humanhash: virginia-skylark-nine-oxygen
File name:file
Download: download sample
Signature Tofsee
Create hunting rule
File size:3'482'273 bytes
First seen:2025-11-24 07:35:56 UTC
Last seen:2025-11-27 12:18:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e8ac1646024d52d1534a88da2e8037cd (7 x OffLoader, 7 x HijackLoader, 5 x Tofsee)
ssdeep 98304:gDbw964XyRhOm7JKsGL8Zx73s0gI8rhKha:gDbwnXyp7JU8Zx2hca
TLSH T126F50113F65E233FE46A8735C9B6AE04453FAEA1641B8CA395E0294CCF3D8511D2EE17
TrID 62.3% (.EXE) Inno Setup installer (107240/4/30)
24.1% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
6.1% (.EXE) Win64 Executable (generic) (10522/11/4)
2.6% (.EXE) Win32 Executable (generic) (4504/4/1)
1.2% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter Bitsight
Tags:dropped-by-gcleaner EUNIQ.file exe Tofsee x


Avatar
Bitsight
url: http://194.38.20.224/service

Intelligence

File Origin
# of uploads :
52
# of downloads :
144
Origin country :
US US
Vendor Threat Intelligence
Malware family:
tofsee
Create hunting rule
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2025-11-24 07:39:12 UTC
Tags:
drayn stealer tofsee
Link:
https://app.any.run/tasks/d268bb93-b612-497e-b652-ae026114040b

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/41210/
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69240af17d4abc02d4bca519
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
Sending a custom TCP request
Creating a file
Moving a recently created file
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug embarcadero_delphi fingerprint inno installer installer installer-heuristic overlay packed zero
Link:
https://www.filescan.io/uploads/69240af1deea95d50b24f843/reports/cff7824e-946e-4e69-a6d1-5d852aaa6c2d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/e6e3b3ce73e03b20ceabd7fb146f18e0a062c704249faa8b79ba9598f9949a93
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-24T03:41:00Z UTC
Last seen:
2025-11-25T10:39:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Shellcode.sb Trojan.Win32.Gatak.sb Backdoor.Win32.Tofsee.sb Backdoor.Win32.Tofsee.efms Trojan-Downloader.Agent.HTTP.C&C Trojan.Win32.RokRat.sb Trojan.Win32.Mansabo.sb Trojan.Win32.AntiAV.sb Backdoor.Win32.Zegost.sb Backdoor.Tofsee.TCP.C&C Backdoor.Remcos.TCP.C&C not-a-virus:RiskTool.Win32.BitCoinMiner.sb NetTool.PlainTextCredentials.SMTP.C&C
Link:
https://opentip.kaspersky.com/e6e3b3ce73e03b20ceabd7fb146f18e0a062c704249faa8b79ba9598f9949a93/results?tab=lookup
Malware family:
Sunstream Labs
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/8d1b9b0e-53f5-470c-abee-9846a43d557a
Score:
89%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e6e3b3ce73e03b20ceabd7fb146f18e0a062c704249faa8b79ba9598f9949a93
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/8a2e5e3047bec7d8d866a8113a00a43d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e6e3b3ce73e03b20ceabd7fb146f18e0a062c704249faa8b79ba9598f9949a93/
Verdict:
Malicious
Threat:
Trojan.Win32.TCP
Link:
https://tip.neiki.dev/file/e6e3b3ce73e03b20ceabd7fb146f18e0a062c704249faa8b79ba9598f9949a93
Threat name:
Win32.Backdoor.Tofsee
Create hunting rule
Status:
Malicious
First seen:
2025-11-24 07:36:14 UTC
File Type:
PE (Exe)
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=43r3httt4a5sbtvl275ri3yy4cqgfryeesp2vc3zxkkzr6mutkjq._file
Result
Malware family:
tofsee
Create hunting rule
Score:
  10/10
Tags:
family:tofsee discovery installer trojan
Link:
https://tria.ge/reports/251124-jfc3ssvpaj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Inno Setup is an open-source installation builder for Windows applications.
Enumerates physical storage devices
System Location Discovery: System Language Discovery
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/95a63c60-02fb-4310-956c-223f706139fb
Unpacked files
SH256 hash:
e6e3b3ce73e03b20ceabd7fb146f18e0a062c704249faa8b79ba9598f9949a93
MD5 hash:
8a2e5e3047bec7d8d866a8113a00a43d
SHA1 hash:
f370724c8ca9ebd9102c20bb5e93c4834208535f
Link:
https://www.unpac.me/results/50773020-d17b-472a-bd0c-500a12f68de7/
SH256 hash:
f2bd926427e026891880cb7254aaa315b0f9318b9bf26fc0c84ae44469a16cc3
MD5 hash:
6793c067b0712481cd23bc1a7cbf4998
SHA1 hash:
d6be5a155c6e3449b50f70ab136ba02228ca0ff1
Link:
https://www.unpac.me/results/50773020-d17b-472a-bd0c-500a12f68de7/
SH256 hash:
388a796580234efc95f3b1c70ad4cb44bfddc7ba0f9203bf4902b9929b136f95
MD5 hash:
e4211d6d009757c078a9fac7ff4f03d4
SHA1 hash:
019cd56ba687d39d12d4b13991c9a42ea6ba03da
Link:
https://www.unpac.me/results/50773020-d17b-472a-bd0c-500a12f68de7/
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/e6e3b3ce73e03b20ceabd7fb146f18e0a062c704249faa8b79ba9598f9949a93

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: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 e6e3b3ce73e03b20ceabd7fb146f18e0a062c704249faa8b79ba9598f9949a93

(this sample)

  
Dropped by
Gcleaner
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/41210/

Comments