MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f58dbc8438043a11d977c703b42e1d3c089f9c52086aad4a5710f1674810179e. 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 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f58dbc8438043a11d977c703b42e1d3c089f9c52086aad4a5710f1674810179e
SHA3-384 hash: d3f407e9f540d7c0907f00f72f227b5236b63d0216834c65b4247354d9bce20f24df306d91c2a5d2bbf174ea87b37751
SHA1 hash: 1d93de3defbc6c12c7c1a9010d36306fd7a1d08d
MD5 hash: 146d9e91e3eda959e9602fa61bb4b991
humanhash: grey-speaker-tennis-ack
File name:SecuriteInfo.com.FileRepMalware.4761.17332
Download: download sample
Signature Vidar
Create hunting rule
File size:9'049'352 bytes
First seen:2025-05-29 13:40:47 UTC
Last seen:2025-08-06 11:20:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3612bf9145bdcbb1d6fde613f4a7ae53 (1 x Vidar)
ssdeep 196608:o2Olft8UAupnHutx174EyqMEA3bvT2gWHLqLwRyQq/PE:o2Gl8Tuub1cEkEA3TKgSGLwRJq/s
TLSH T1A596CF11F7818465F89200B663BA4B3F6E786B30330951D3D3D1AEB5AE3AAD1793534E
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 00f2c0c888def470 (1 x Vidar)
Reporter SecuriteInfoCom
Tags:exe richscents2u-com vidar

Intelligence

File Origin
# of uploads :
4
# of downloads :
386
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
2025-05-29_146d9e91e3eda959e9602fa61bb4b991_coinminer_elex_hijackloader_revil_stop
Verdict:
Malicious activity
Analysis date:
2025-05-29 12:33:19 UTC
Tags:
rdp purecrypter netreactor telegram vidar stealer stealc
Link:
https://app.any.run/tasks/c70098f3-ecff-47df-8954-769730bf132a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/6185/
Detection(s):
SecuriteInfo.com.FileRepMalware.4761.17332.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68385410acf88f5815e86887
Tags:
vmdetect
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Trojan.GenHeur
Link:
https://www.hybrid-analysis.com/sample/f58dbc8438043a11d977c703b42e1d3c089f9c52086aad4a5710f1674810179e
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/baa60120-cff1-417c-b5e1-3b537d0e9d6b
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1701530
Signature
.NET source code contains potential unpacker
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Powershell decode and execute
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1701530 Sample: SecuriteInfo.com.FileRepMal... Startdate: 29/05/2025 Architecture: WINDOWS Score: 100 94 xx.7.4t.com 2->94 96 c.pki.goog 2->96 98 2 other IPs or domains 2->98 112 Suricata IDS alerts for network traffic 2->112 114 Malicious sample detected (through community Yara rule) 2->114 116 Multi AV Scanner detection for submitted file 2->116 118 7 other signatures 2->118 10 SecuriteInfo.com.FileRepMalware.4761.17332.exe 2 2->10         started        signatures3 process4 signatures5 120 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->120 13 InstallUtil.exe 33 10->13         started        process6 dnsIp7 102 xx.7.4t.com 78.46.235.75, 443, 49699, 49700 HETZNER-ASDE Germany 13->102 104 t.me 149.154.167.99, 443, 49698 TELEGRAMRU United Kingdom 13->104 122 Encrypted powershell cmdline option found 13->122 124 Tries to harvest and steal browser information (history, passwords, etc) 13->124 17 powershell.exe 22 13->17         started        21 chrome.exe 13->21         started        24 powershell.exe 13->24         started        26 28 other processes 13->26 signatures8 process9 dnsIp10 66 C:\Users\user\AppData\...\cnaae4uh.cmdline, Unicode 17->66 dropped 106 Writes to foreign memory regions 17->106 108 Compiles code for process injection (via .Net compiler) 17->108 110 Creates a thread in another existing process (thread injection) 17->110 28 csc.exe 3 17->28         started        31 conhost.exe 17->31         started        100 192.168.2.5, 138, 443, 49675 unknown unknown 21->100 33 chrome.exe 21->33         started        36 chrome.exe 21->36         started        68 C:\Users\user\AppData\Local\...\hzwkkv31.0.cs, Unicode 24->68 dropped 44 2 other processes 24->44 38 csc.exe 26->38         started        40 csc.exe 26->40         started        42 csc.exe 26->42         started        46 24 other processes 26->46 file11 signatures12 process13 dnsIp14 70 C:\Users\user\AppData\Local\...\cnaae4uh.dll, PE32 28->70 dropped 48 cvtres.exe 1 28->48         started        88 apis.google.com 33->88 90 plus.l.google.com 142.250.114.138, 443, 49724 GOOGLEUS United States 33->90 92 3 other IPs or domains 33->92 72 C:\Users\user\AppData\Local\...\trbke2ef.dll, PE32 38->72 dropped 50 cvtres.exe 38->50         started        74 C:\Users\user\AppData\Local\...\zeocwqyb.dll, PE32 40->74 dropped 52 cvtres.exe 40->52         started        76 C:\Users\user\AppData\Local\...\tsswr25p.dll, PE32 42->76 dropped 54 cvtres.exe 42->54         started        78 C:\Users\user\AppData\Local\...\hzwkkv31.dll, PE32 44->78 dropped 56 cvtres.exe 44->56         started        80 C:\Users\user\AppData\Local\...\x55z3unc.dll, PE32 46->80 dropped 82 C:\Users\user\AppData\Local\...\vqcylyuq.dll, PE32 46->82 dropped 84 C:\Users\user\AppData\Local\...\q4ctc4yw.dll, PE32 46->84 dropped 86 7 other files (none is malicious) 46->86 dropped 58 cvtres.exe 46->58         started        60 cvtres.exe 46->60         started        62 cvtres.exe 46->62         started        64 7 other processes 46->64 file15 process16
Score:
4%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/f58dbc8438043a11d977c703b42e1d3c089f9c52086aad4a5710f1674810179e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f58dbc8438043a11d977c703b42e1d3c089f9c52086aad4a5710f1674810179e/
Verdict:
Malicious
Link:
https://tip.neiki.dev/file/f58dbc8438043a11d977c703b42e1d3c089f9c52086aad4a5710f1674810179e
Threat name:
Win32.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2025-05-28 22:27:03 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6wg3zbbyaq5bdwlxy4b3ilq5hqej7hcsbbvk2ssxcdywosaqc6pa._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:donutloader family:vidar botnet:489c25ffabb35a36a7aac6fb3c16f04b credential_access defense_evasion discovery loader spyware stealer
Link:
https://tria.ge/reports/250529-qy8ezsssgy/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Obfuscated Files or Information: Command Obfuscation
Unsecured Credentials: Credentials In Files
Uses browser remote debugging
Detect Vidar Stealer
Detects DonutLoader
DonutLoader
Donutloader family
Vidar
Vidar family
Malware Config
C2 Extraction:
https://t.me/w0d0lm
https://steamcommunity.com/profiles/76561199860669882
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/30f82616-e936-4fd9-b4bd-e31e95fcb14e
Unpacked files
SH256 hash:
f58dbc8438043a11d977c703b42e1d3c089f9c52086aad4a5710f1674810179e
MD5 hash:
146d9e91e3eda959e9602fa61bb4b991
SHA1 hash:
1d93de3defbc6c12c7c1a9010d36306fd7a1d08d
Link:
https://www.unpac.me/results/0b4c9f3d-8260-4850-908e-0f4464f8f990/
SH256 hash:
677143d43d74a41bea20c85fccb0719d03d05175d37920e68f3c80969ec27811
MD5 hash:
8a4f4c67be76d18c4f59bb4683327f67
SHA1 hash:
3453e64e79def8234d7830186488b07adcc4df0c
Link:
https://www.unpac.me/results/0b4c9f3d-8260-4850-908e-0f4464f8f990/
SH256 hash:
b221b0df85fe391b0af6ed769c5df047d1f6622cdbd24b38ee5e238b82397d6c
MD5 hash:
34de3117d5a2ca296cfefa09b17843ab
SHA1 hash:
7b752401bc84fa038c4d942dea863500c8e9dfd6
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/0b4c9f3d-8260-4850-908e-0f4464f8f990/
Malware family:
DonutLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f58dbc843804/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/f58dbc8438043a11d977c703b42e1d3c089f9c52086aad4a5710f1674810179e

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:Check_Wine
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants
Rule name:Windows_Trojan_Donutloader_f40e3759
Create hunting rule
Author:Elastic Security
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:yara_template
Create hunting rule

File information

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

Web download

Vidar

Executable exe f58dbc8438043a11d977c703b42e1d3c089f9c52086aad4a5710f1674810179e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3555181/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/6185/

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
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
MULTIMEDIA_APICan Play MultimediaWINMM.dll::PlaySoundA
WINMM.dll::timeGetTime
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::ShellExecuteExA
SHELL32.dll::ShellExecuteA
SHELL32.dll::ShellExecuteExW
URL_MONIKERS_APICan Download & Execute componentsurlmon.dll::CreateURLMoniker
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
WININET.dll::InternetCloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDriveTypeA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetConsoleCtrlHandler
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::DeleteFileA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
KERNEL32.dll::GetComputerNameW
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::WSAAccept
WS2_32.dll::WSAEventSelect
WS2_32.dll::WSAIoctl

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