MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3561b5b3972012641075bec94d5e9783ddb71aa9fc32762a09d80fcaf074bd2a. 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


Vidar


Vendor detections: 15


Intelligence 15 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3561b5b3972012641075bec94d5e9783ddb71aa9fc32762a09d80fcaf074bd2a
SHA3-384 hash: 15585d97c1f37e4b621e9768b24a603e0cb4171dff0704995d8df30750de556fe4a1d36b3ec54fd39c815f4644ca33ba
SHA1 hash: 351b6e4451b2e55f2ee86aa737334bd6abededf4
MD5 hash: a8da43f44370f0c6908fa01beab2415b
humanhash: moon-beryllium-football-april
File name:a8da43f44370f0c6908fa01beab2415b.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:19'282'368 bytes
First seen:2025-05-25 15:17:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 354ab7f34145ded05d77214a4122a24a (1 x Vidar)
ssdeep 393216:YXviHnpchEO4eI8VHNWZiw/o5coUHGahPojONH+w8q:iAmMidcjVP
Threatray 1 similar samples on MalwareBazaar
TLSH T14C171213B3A5507BD55B1B3366A78559A83F7F312A138C0B5BF4381C8FB42582E2F266
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
dhash icon f0e8ccd496ecf0b2 (2 x ACRStealer, 1 x Vidar, 1 x Amadey)
Reporter abuse_ch
Tags:exe vidar

Intelligence

File Origin
# of uploads :
1
# of downloads :
496
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
a8da43f44370f0c6908fa01beab2415b.exe
Verdict:
Malicious activity
Analysis date:
2025-05-25 15:21:00 UTC
Tags:
stealer vidar delphi
Link:
https://app.any.run/tasks/18ac47d4-1339-4d89-bf74-ae84dcd1a456

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Trojan-Stealer.Vidar.OY41VL.10056.15493.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=683337b94912a6b9dd4d56b9
Tags:
dropper dridex virus smtp
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-vm borland_delphi crypto evasive fingerprint genheur invalid-signature keylogger overlay packed packed packer_detected signed
Link:
https://www.filescan.io/uploads/683334bbe336a33801ddf242/reports/fe616c8b-e123-4d3a-9d51-bcf72eedcf1a/overview
Verdict:
Malicious
Labled as:
AIMP.J potentially unwanted application
Link:
https://www.hybrid-analysis.com/sample/3561b5b3972012641075bec94d5e9783ddb71aa9fc32762a09d80fcaf074bd2a
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1698793
Signature
.NET source code contains process injector
.NET source code references suspicious native API functions
Compiles code for process injection (via .Net compiler)
Creates a thread in another existing process (thread injection)
Encrypted powershell cmdline option found
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Dot net compiler compiles file from suspicious location
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected Powershell decode and execute
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1698793 Sample: ZTmTnQ2OLC.exe Startdate: 25/05/2025 Architecture: WINDOWS Score: 100 87 Suricata IDS alerts for network traffic 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 Multi AV Scanner detection for submitted file 2->91 93 6 other signatures 2->93 8 ZTmTnQ2OLC.exe 33 2->8         started        12 svchost.exe 1 1 2->12         started        process3 dnsIp4 81 116.203.165.251, 443, 49696, 49697 HETZNER-ASDE Germany 8->81 95 Encrypted powershell cmdline option found 8->95 97 Tries to harvest and steal browser information (history, passwords, etc) 8->97 14 powershell.exe 22 8->14         started        18 chrome.exe 8->18         started        21 powershell.exe 8->21         started        23 28 other processes 8->23 83 127.0.0.1 unknown unknown 12->83 signatures5 process6 dnsIp7 75 C:\Users\user\AppData\...\mthuhawe.cmdline, Unicode 14->75 dropped 99 Writes to foreign memory regions 14->99 101 Compiles code for process injection (via .Net compiler) 14->101 103 Creates a thread in another existing process (thread injection) 14->103 25 csc.exe 3 14->25         started        28 conhost.exe 14->28         started        79 192.168.2.8, 138, 443, 49692 unknown unknown 18->79 30 chrome.exe 18->30         started        77 C:\Users\user\AppData\Local\...\c2yg2rmw.0.cs, Unicode 21->77 dropped 33 conhost.exe 21->33         started        35 csc.exe 23->35         started        37 csc.exe 23->37         started        39 csc.exe 23->39         started        41 23 other processes 23->41 file8 signatures9 process10 dnsIp11 59 C:\Users\user\AppData\Local\...\mthuhawe.dll, PE32 25->59 dropped 43 cvtres.exe 1 25->43         started        85 www.google.com 142.251.46.228, 443, 49712, 49713 GOOGLEUS United States 30->85 61 C:\Users\user\AppData\Local\...\fhh14mn0.dll, PE32 35->61 dropped 45 cvtres.exe 35->45         started        63 C:\Users\user\AppData\Local\...\bc55edsz.dll, PE32 37->63 dropped 47 cvtres.exe 37->47         started        65 C:\Users\user\AppData\Local\...\e1eyhjnr.dll, PE32 39->65 dropped 49 cvtres.exe 39->49         started        67 C:\Users\user\AppData\Local\...\y4smadfn.dll, PE32 41->67 dropped 69 C:\Users\user\AppData\Local\...\piq5ljwi.dll, PE32 41->69 dropped 71 C:\Users\user\AppData\Local\...\m45yjxgl.dll, PE32 41->71 dropped 73 7 other files (none is malicious) 41->73 dropped 51 cvtres.exe 41->51         started        53 cvtres.exe 41->53         started        55 cvtres.exe 41->55         started        57 7 other processes 41->57 file12 process13
Score:
56%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/3561b5b3972012641075bec94d5e9783ddb71aa9fc32762a09d80fcaf074bd2a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3561b5b3972012641075bec94d5e9783ddb71aa9fc32762a09d80fcaf074bd2a/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gvq3lm4xeajgiedvx3eu2xuxqpo3ogvj7qzhmkqj3ah4v4duxuva._file
Verdict:
malicious
Label(s):
vidar
Create hunting rule
Similar samples:
3561b5b3972012641075bec94d5e9783ddb71aa9fc32762a09d80fcaf074bd2a
Vidar
error
Vidar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar credential_access defense_evasion discovery spyware stealer
Link:
https://tria.ge/reports/250525-spq6fsan2v/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Obfuscated Files or Information: Command Obfuscation
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Uses browser remote debugging
Detect Vidar Stealer
Vidar
Vidar family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f3857a20-8af9-4b30-b32a-177348172d66
Unpacked files
SH256 hash:
3561b5b3972012641075bec94d5e9783ddb71aa9fc32762a09d80fcaf074bd2a
MD5 hash:
a8da43f44370f0c6908fa01beab2415b
SHA1 hash:
351b6e4451b2e55f2ee86aa737334bd6abededf4
Link:
https://www.unpac.me/results/8b9ae668-00c8-4531-bde0-c549865e1d66/
Malware family:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3561b5b39720/report/overview.html
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/3561b5b3972012641075bec94d5e9783ddb71aa9fc32762a09d80fcaf074bd2a

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:HUNTING_SUSP_TLS_SECTION
Create hunting rule
Author:chaosphere
Description:Detect PE files with .tls section that can be used for anti-debugging
Reference:Practical Malware Analysis - Chapter 16
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win_rat_generic
Create hunting rule
Author:Reedus0
Description:Rule for detecting generic RAT malware
Rule name:win_stealer_generic
Create hunting rule
Author:Reedus0
Description:Rule for detecting generic stealer malware
Rule name:with_urls
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:yara_template
Create hunting rule

File information

The table below shows additional information about this malware sample such as delivery method and external references.

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User Authorizationadvapi32.dll::AllocateAndInitializeSid
advapi32.dll::FreeSid
advapi32.dll::InitializeSecurityDescriptor
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::GetTokenInformation
advapi32.dll::SetSecurityDescriptorDacl
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteExA
shell32.dll::ShellExecuteExW
shell32.dll::ShellExecuteA
shell32.dll::ShellExecuteW
shell32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
kernel32.dll::CreateProcessA
advapi32.dll::OpenProcessToken
kernel32.dll::OpenProcess
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::TerminateProcess
kernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::LoadLibraryExA
kernel32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::GetConsoleOutputCP
kernel32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create Fileskernel32.dll::CopyFileA
kernel32.dll::CopyFileW
kernel32.dll::CreateDirectoryA
kernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileMappingA
kernel32.dll::CreateFileA
kernel32.dll::CreateFileW
kernel32.dll::CreateFileMappingW
WIN_BASE_USER_APIRetrieves Account Informationkernel32.dll::GetComputerNameA
kernel32.dll::GetComputerNameW
advapi32.dll::GetUserNameW
advapi32.dll::GetUserNameA
kernel32.dll::QueryDosDeviceW
WIN_CRYPT_APIUses Windows Crypt APIadvapi32.dll::CryptAcquireContextW
advapi32.dll::CryptCreateHash
advapi32.dll::CryptGetHashParam
advapi32.dll::CryptHashData
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegCreateKeyExA
advapi32.dll::RegCreateKeyExW
advapi32.dll::RegDeleteKeyW
advapi32.dll::RegOpenKeyExA
advapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryInfoKeyW
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::EmptyClipboard
user32.dll::FindWindowA
user32.dll::FindWindowExW
user32.dll::FindWindowW

Comments