MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efbd528c8ed8c5253b5e191eedc85e30f75778a417b5f427da115e7f44d9dd47. 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: 18


Intelligence 18 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efbd528c8ed8c5253b5e191eedc85e30f75778a417b5f427da115e7f44d9dd47
SHA3-384 hash: 17ba8565c02ab25044b77512cdd3eef6236a5081c5449b25fae01f22c661e9e3368d9ed04b396d81891e758c2ba18e35
SHA1 hash: 63a893bf674933c34cbe216b49722ad18d625fc6
MD5 hash: 7ca1a467d3565e8827428ac7be5b7bf6
humanhash: edward-cold-august-victor
File name:SecuriteInfo.com.Win32.Trojan.Agent.U8LJFD.31222.29577
Download: download sample
Signature Vidar
Create hunting rule
File size:5'340'672 bytes
First seen:2025-02-13 07:33:32 UTC
Last seen:2025-02-13 09:04:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9cbefe68f395e67356e2a5d8d1b285c0 (58 x LummaStealer, 49 x AuroraStealer, 35 x Vidar)
ssdeep 49152:YVotF0OLNzFMg3PVyj+ikV/rX/qyzPKO93t0jc6MVh3dd6vE/68u86k1G:YsmOLTJVySl5rFPKOH/IL
TLSH T101364A90FACB44F5EA03193118A7A27F67346D099B35DBC7EA107F59F8336A20D36219
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe vidar

Intelligence

File Origin
# of uploads :
2
# of downloads :
465
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
run.ps1
Verdict:
Malicious activity
Analysis date:
2025-02-12 16:25:25 UTC
Tags:
loader telegram stealer stealc vidar golang obfuscated-js
Link:
https://app.any.run/tasks/08521a16-0afd-4050-955b-6ae9ecf3f742

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Trojan.Agent.U8LJFD.31222.29577.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ada08528ab76d43a5aab44
Tags:
emotet virus core
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Creating a window
Running batch commands
Creating a process with a hidden window
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypto golang obfuscated
Link:
https://www.filescan.io/uploads/67ada078991985e0a958024b/reports/8ac2821f-7016-4140-be64-2ac50e4f985d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/efbd528c8ed8c5253b5e191eedc85e30f75778a417b5f427da115e7f44d9dd47
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:
LummaC2
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5e7d5002-39e3-40e7-9058-0f1513c67526
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1614047
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1614047 Sample: SecuriteInfo.com.Win32.Troj... Startdate: 13/02/2025 Architecture: WINDOWS Score: 100 43 sailiabot.com 2->43 45 t.me 2->45 47 2 other IPs or domains 2->47 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 5 other signatures 2->77 9 SecuriteInfo.com.Win32.Trojan.Agent.U8LJFD.31222.29577.exe 2->9         started        12 msedge.exe 624 2->12         started        signatures3 process4 signatures5 79 Writes to foreign memory regions 9->79 81 Allocates memory in foreign processes 9->81 83 Injects a PE file into a foreign processes 9->83 14 BitLockerToGo.exe 29 9->14         started        85 Maps a DLL or memory area into another process 12->85 18 msedge.exe 12->18         started        20 identity_helper.exe 12->20         started        22 identity_helper.exe 12->22         started        24 3 other processes 12->24 process6 dnsIp7 59 sailiabot.com 88.99.124.230, 443, 50002, 50003 HETZNER-ASDE Germany 14->59 61 t.me 149.154.167.99, 443, 50000 TELEGRAMRU United Kingdom 14->61 63 127.0.0.1 unknown unknown 14->63 89 Attempt to bypass Chrome Application-Bound Encryption 14->89 91 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->91 93 Found many strings related to Crypto-Wallets (likely being stolen) 14->93 95 4 other signatures 14->95 26 msedge.exe 2 10 14->26         started        29 chrome.exe 14->29         started        32 cmd.exe 14->32         started        65 18.173.219.111, 443, 50109, 50117 MIT-GATEWAYSUS United States 18->65 67 c-msn-pme.trafficmanager.net 13.74.129.1, 443, 50064 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 18->67 69 28 other IPs or domains 18->69 signatures8 process9 dnsIp10 87 Monitors registry run keys for changes 26->87 34 msedge.exe 26->34         started        55 192.168.2.6, 443, 49247, 49366 unknown unknown 29->55 57 239.255.255.250 unknown Reserved 29->57 36 chrome.exe 29->36         started        39 conhost.exe 32->39         started        41 timeout.exe 32->41         started        signatures11 process12 dnsIp13 49 play.google.com 142.250.184.206, 443, 50032, 50040 GOOGLEUS United States 36->49 51 www.google.com 142.250.186.132, 443, 50012, 50016 GOOGLEUS United States 36->51 53 2 other IPs or domains 36->53
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/efbd528c8ed8c5253b5e191eedc85e30f75778a417b5f427da115e7f44d9dd47
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efbd528c8ed8c5253b5e191eedc85e30f75778a417b5f427da115e7f44d9dd47/
Threat name:
Win32.Spyware.Vidar
Create hunting rule
Status:
Suspicious
First seen:
2025-02-12 17:15:27 UTC
File Type:
PE (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=566vfdeo3dcsko26depo3sc6gd3vo6fec627ij62cfph6rgz3vdq._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar credential_access discovery spyware stealer
Link:
https://tria.ge/reports/250213-jd7jmawjhv/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
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
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Uses browser remote debugging
Detect Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://t.me/b4cha00
https://steamcommunity.com/profiles/76561199825403037
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/504cafea-d6c2-4062-a91e-c96092f04599
Unpacked files
SH256 hash:
efbd528c8ed8c5253b5e191eedc85e30f75778a417b5f427da115e7f44d9dd47
MD5 hash:
7ca1a467d3565e8827428ac7be5b7bf6
SHA1 hash:
63a893bf674933c34cbe216b49722ad18d625fc6
Link:
https://www.unpac.me/results/55335b5a-25c2-4d1f-a04b-1f3091734d0a/
SH256 hash:
dc1719441e27f66da84415d136c0e4884c6ab9a433ed209de645089fbcca3a64
MD5 hash:
a4902a505f1bf9c164f77ebb64ad4d0d
SHA1 hash:
370c80bdb78d1734a6d0bf96eb09f6a699a201d4
Detections:
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Link:
https://www.unpac.me/results/55335b5a-25c2-4d1f-a04b-1f3091734d0a/
Parent samples :
efbd528c8ed8c5253b5e191eedc85e30f75778a417b5f427da115e7f44d9dd47
81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce
Malware family:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/efbd528c8ed8/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/efbd528c8ed8c5253b5e191eedc85e30f75778a417b5f427da115e7f44d9dd47

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
Create hunting rule
Author:malware-lu
Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
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:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:ThreadControl__Context
Create hunting rule
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

Vidar

Executable exe efbd528c8ed8c5253b5e191eedc85e30f75778a417b5f427da115e7f44d9dd47

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3438228/
  
Delivery method
Distributed via web download

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
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryW
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::SetConsoleCtrlHandler
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::GetSystemDirectoryA

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