MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 33fdb1d88108e070e964165d1ff0c2ca71625e30795d3af5b7d27d59339720bb. 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: 16
| SHA256 hash: | 33fdb1d88108e070e964165d1ff0c2ca71625e30795d3af5b7d27d59339720bb |
|---|---|
| SHA3-384 hash: | 0b5904a1607258bf621b06913b35a39e4a8f8578090776b63b8bf1643cfe1a401a677a4633c651166dfc11b8589bca12 |
| SHA1 hash: | e83820a789128831726f286bbcb9f4fd7e0b6d22 |
| MD5 hash: | 7fd08c116cacdec78321cc511b50b17f |
| humanhash: | sad-carolina-music-low |
| File name: | file |
| Download: | download sample |
| Signature | Tofsee |
| File size: | 3'440'272 bytes |
| First seen: | 2025-12-01 02:22:49 UTC |
| Last seen: | 2025-12-03 08:24:22 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ac4ded70f85ef621e5f8917b250855be (10 x OffLoader, 2 x Tofsee) |
| ssdeep | 49152:XN61T1mWISb4lpzVwUfSTOWoE6gwxmQcoQnQumZObP5eQ9tXDwEwiCZ4TYHx2pmg:XN66rSQsUiO9EkcoxbAPMQvkEwiTy24g |
| Threatray | 1'389 similar samples on MalwareBazaar |
| TLSH | T131F5F123B28A633EF06E5A3749B2D2205D3B7A61A51E8C5796E40C4CCF5E0A01E7F757 |
| 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 |
Intelligence
File Origin
# of uploads :
25
# of downloads :
121
Origin country :
USVendor Threat Intelligence
Details
No details
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Suspicious activity
Analysis date:
2025-12-01 02:24:02 UTC
Tags:
upx
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Tofsee
Detection(s):
Verdict:
Clean
Score:
70%
Tags:
n/a
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
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
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:
adaptive-context embarcadero_delphi fingerprint inno installer installer installer-heuristic overlay packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-30T21:30:00Z UTC
Last seen:
2025-12-02T14:16:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.RokRat.sb Trojan.Win32.Mansabo.sb Trojan.Win32.AntiAV.sb Backdoor.Tofsee.TCP.C&C Trojan.Win32.Shellcode.sb Trojan.Win32.Gatak.sb Backdoor.Win32.Tofsee.sb Backdoor.Win32.Tofsee.efpp Backdoor.Remcos.TCP.C&C not-a-virus:RiskTool.Win32.BitCoinMiner.sb
Verdict:
Unknown
Score:
79%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.TOFSEE
Threat name:
Win32.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-12-01 02:23:18 UTC
File Type:
PE (Exe)
AV detection:
9 of 23 (39.13%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
tofsee
Similar samples:
+ 1'379 additional samples on MalwareBazaar
Result
Malware family:
tofsee
Score:
10/10
Tags:
family:tofsee discovery installer trojan upx
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
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
Unpacked files
SH256 hash:
a7c805b99ba6c8d7918af6eb26fa5762ca5ec8d8329049254e85cc7917f5c9cd
MD5 hash:
b45c97a5ba8f22e60da6253fcc0fda97
SHA1 hash:
b3aacdd6826574d4d717009c75b3d7fa48d8a383
SH256 hash:
388a796580234efc95f3b1c70ad4cb44bfddc7ba0f9203bf4902b9929b136f95
MD5 hash:
e4211d6d009757c078a9fac7ff4f03d4
SHA1 hash:
019cd56ba687d39d12d4b13991c9a42ea6ba03da
SH256 hash:
33fdb1d88108e070e964165d1ff0c2ca71625e30795d3af5b7d27d59339720bb
MD5 hash:
7fd08c116cacdec78321cc511b50b17f
SHA1 hash:
e83820a789128831726f286bbcb9f4fd7e0b6d22
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | malware-lu |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | MAL_packer_lb_was_detected |
|---|---|
| Author: | 0x0d4y |
| Description: | Detect the packer used by Lockbit4.0 |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | ProgramLanguage_Rust |
|---|---|
| Author: | albertzsigovits |
| Description: | Application written in Rust programming language |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Gcleaner
Delivery method
Distributed via web download
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