MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd149f704fea606a0fecce14d3bbf186b2e1a802c3129cb56669d27b371dd693. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: dd149f704fea606a0fecce14d3bbf186b2e1a802c3129cb56669d27b371dd693
SHA3-384 hash: 55a9382ae89821fc3c1f69858290975e6f764b6ce5f9c46ace9c842a1d7c949da8ceb9c0223bbfffde794f3cc88e16c9
SHA1 hash: 19a2428c1f20530f7269e634ce2b6a48c4bf2feb
MD5 hash: 34d39652c9b00c9d01731c66006ace87
humanhash: michigan-chicken-alabama-sixteen
File name:file
Download: download sample
Signature Tofsee
File size:270'848 bytes
First seen:2023-11-19 07:16:04 UTC
Last seen:2023-11-19 08:02:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f5eeef37ef8d5cb7e7cdbc3dacbee4c0 (3 x Tofsee, 1 x Smoke Loader)
ssdeep 3072:uLYSwmECGpSzTP+inOnC6CoR6mhr9Au3KMpwm2P25MWsR6EU7ovb3TQh9:YYLCGIfPfnOC6/1xO9DP25MmEoMrT
TLSH T1AF449C2339D0BC71C46A8F748E2DDAECFB7EB8625E65874B23541E6A19303B1D61B311
TrID 45.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.4% (.EXE) Win64 Executable (generic) (10523/12/4)
9.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.6% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0020409010181000 (1 x Tofsee)
Reporter andretavare5
Tags:exe Tofsee


Avatar
andretavare5
Sample downloaded from http://194.49.94.48/timeSync.exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
364
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:
Gathering data
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lolbin shell32
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Sample uses string decryption to hide its real strings
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Tofsee
Status:
Malicious
First seen:
2023-11-19 07:17:05 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://giuliotoro.icu
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:DebuggerCheck__API
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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments