MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ec3ffa32c61b622cdee398ebe60c6a19d158cfc1a0b531f7f08261bc37ccef3b. 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
Stealc
Vendor detections: 16
| SHA256 hash: | ec3ffa32c61b622cdee398ebe60c6a19d158cfc1a0b531f7f08261bc37ccef3b |
|---|---|
| SHA3-384 hash: | 872beb6f7b43e6a486c1ff8baa1a68671feb8b17d8f78beb7152de0e6da9b16d1d87841f34b709e0391da529ac17cc8e |
| SHA1 hash: | 8280d4114719001bc7502f646a52048490be0e12 |
| MD5 hash: | b93373879683d3579660e696f08be5b4 |
| humanhash: | mexico-sweet-glucose-magnesium |
| File name: | 49j8t349t83495vj945jfd_payload.exe |
| Download: | download sample |
| Signature | Stealc |
| File size: | 204'800 bytes |
| First seen: | 2024-05-18 10:40:07 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | a34c7216d6536a950566187b3d5a3285 (3 x Stealc, 2 x Vidar) |
| ssdeep | 3072:cf8yYNF9ex7nLydc8NwEfgjp9yuzKrDeU+XC3bXM/1WXBQ:c8yQF9QaOtnVzEL+SbWWXG |
| Threatray | 128 similar samples on MalwareBazaar |
| TLSH | T16F145C30B5D04436E9320870EADCA3BEC6ADE971A1722D1FA3660F382D716A75514F7B |
| TrID | 36.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 23.5% (.EXE) Win64 Executable (generic) (10523/12/4) 11.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 10.0% (.EXE) Win32 Executable (generic) (4504/4/1) 4.6% (.ICL) Windows Icons Library (generic) (2059/9) |
| Reporter |  ukycircle |
| Tags: | exe Stealc |
Intelligence
File Origin
# of uploads :
1
# of downloads :
470
Origin country :
JPVendor Threat Intelligence
Malware family:
vidar
ID:
1
File name:
ec3ffa32c61b622cdee398ebe60c6a19d158cfc1a0b531f7f08261bc37ccef3b.exe
Verdict:
Malicious activity
Analysis date:
2024-05-18 16:28:46 UTC
Tags:
telegram stealer vidar stealc
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm crypto lolbin shell32 stealer
Verdict:
Malicious
Labled as:
Zusy.Generic
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.
Malware family:
Vidar
Verdict:
Malicious
Result
Threat name:
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
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Self deletion via cmd or bat file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Yara detected Powershell download and execute
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Zusy
Status:
Malicious
First seen:
2024-05-18 10:41:05 UTC
File Type:
PE (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 118 additional samples on MalwareBazaar
Result
Malware family:
vidar
Score:
10/10
Tags:
family:stealc family:vidar 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
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Unpacked files
SH256 hash:
ec3ffa32c61b622cdee398ebe60c6a19d158cfc1a0b531f7f08261bc37ccef3b
MD5 hash:
b93373879683d3579660e696f08be5b4
SHA1 hash:
8280d4114719001bc7502f646a52048490be0e12
Detections:
VidarStealer
win_stealc_a0
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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: | Check_Dlls |
|---|
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | has_telegram_urls |
|---|---|
| Author: | Aaron DeVera<aaron@backchannel.re> |
| Description: | Detects Telegram URLs |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows executables referencing non-Windows User-Agents |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing potential Windows Defender anti-emulation checks |
| Rule name: | Windows_Generic_Threat_c374cd85 |
|---|---|
| Author: | Elastic Security |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| COM_BASE_API | Can Download & Execute components | ole32.dll::CoCreateInstance ole32.dll::CoInitializeSecurity |
| SHELL_API | Manipulates System Shell | SHELL32.dll::SHFileOperationA |
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::OpenProcess KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetDriveTypeA |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateDirectoryA |
| WIN_BASE_USER_API | Retrieves Account Information | KERNEL32.dll::GetComputerNameA ADVAPI32.dll::GetUserNameA |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegGetValueA ADVAPI32.dll::RegOpenKeyExA |
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