MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b832829177dcfb2f224062fdf796ffdce054c66ac391d4a2efdec7e06aeb69ee. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments

SHA256 hash: b832829177dcfb2f224062fdf796ffdce054c66ac391d4a2efdec7e06aeb69ee
SHA3-384 hash: 4a45f100843afa0082ab2b088e319b0822d3f3ade1403aae99c329b43c7adeb1a1501a01306b944a7a79dd120c64b93a
SHA1 hash: cf621df3f09b1103e247e1292e6c9d4894e90d92
MD5 hash: 80729909b073a23f2caf883d9b9dce98
humanhash: undress-salami-eighteen-bacon
File name:file
Download: download sample
Signature Vidar
File size:413'224 bytes
First seen:2024-09-25 00:29:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:E9rIJUWYO5Mge78Vh5bbBUey+J8f8IztggcO6T4++1dJBMD8tCQSexEO:EiJUWR5MgeChxBUew0IztgO1XJiDYhEO
Threatray 63 similar samples on MalwareBazaar
TLSH T15294230B03F80AB5FD580B71A8EBCA6E6B72DCF1DF64A19635C5442C258D3132BD3699
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:exe vidar


Avatar
Bitsight
url: http://147.45.45.69/vdcsb.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
419
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-25 00:32:46 UTC
Tags:
vidar stealer loader evasion lumma stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
Encryption Static Micro Tori Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Creating a file in the %temp% directory
Сreating synchronization primitives
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Connection attempt to an infection source
Running batch commands
Creating a process with a hidden window
Forced shutdown of a system process
Query of malicious DNS domain
Unauthorized injection to a system process
Sending an HTTP POST request to an infection source
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.
Gathering data
Result
Threat name:
LummaC, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
LummaC encrypted strings found
Machine Learning detection for dropped file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Sigma detected: New RUN Key Pointing to Suspicious Folder
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 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
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1517447 Sample: file.exe Startdate: 25/09/2024 Architecture: WINDOWS Score: 100 118 yalubluseks.eu 2->118 120 vozmeatillu.shop 2->120 122 11 other IPs or domains 2->122 152 Multi AV Scanner detection for domain / URL 2->152 154 Suricata IDS alerts for network traffic 2->154 156 Found malware configuration 2->156 158 16 other signatures 2->158 13 file.exe 2 2->13         started        17 MFDBG.exe 2->17         started        19 MFDBG.exe 2->19         started        signatures3 process4 file5 108 C:\Users\user\AppData\Local\...\file.exe.log, CSV 13->108 dropped 182 Contains functionality to inject code into remote processes 13->182 184 Writes to foreign memory regions 13->184 186 Allocates memory in foreign processes 13->186 188 Injects a PE file into a foreign processes 13->188 21 RegAsm.exe 1 195 13->21         started        26 RegAsm.exe 13->26         started        28 conhost.exe 13->28         started        30 WerFault.exe 17->30         started        32 WerFault.exe 19->32         started        signatures6 process7 dnsIp8 124 cowod.hopto.org 45.132.206.251, 49748, 80 LIFELINK-ASRU Russian Federation 21->124 126 116.203.15.34, 443, 49710, 49711 HETZNER-ASDE Germany 21->126 128 2 other IPs or domains 21->128 96 C:\Users\user\AppData\...\sdsdhggf[1].exe, PE32 21->96 dropped 98 C:\Users\user\AppData\...\lfdsangdsa[1].exe, PE32 21->98 dropped 100 C:\Users\user\AppData\Local\...\IDSM[1].exe, PE32 21->100 dropped 102 9 other files (7 malicious) 21->102 dropped 170 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->170 172 Found many strings related to Crypto-Wallets (likely being stolen) 21->172 174 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 21->174 180 2 other signatures 21->180 34 CGDHDHJEBG.exe 2 21->34         started        37 JKJECBAAAF.exe 2 21->37         started        39 JDGCGHCGHC.exe 2 21->39         started        42 cmd.exe 21->42         started        176 Found evasive API chain (may stop execution after checking locale) 26->176 178 Searches for specific processes (likely to inject) 26->178 file9 signatures10 process11 file12 140 Multi AV Scanner detection for dropped file 34->140 142 Writes to foreign memory regions 34->142 144 Allocates memory in foreign processes 34->144 44 RegAsm.exe 34->44         started        49 conhost.exe 34->49         started        146 Injects a PE file into a foreign processes 37->146 148 LummaC encrypted strings found 37->148 51 RegAsm.exe 37->51         started        53 conhost.exe 37->53         started        104 C:\Users\user\AppData\Local\...\MFDBG.exe, PE32 39->104 dropped 150 Machine Learning detection for dropped file 39->150 55 WerFault.exe 21 16 39->55         started        57 conhost.exe 42->57         started        59 timeout.exe 42->59         started        signatures13 process14 dnsIp15 132 46.8.231.109, 49747, 49761, 80 FIORD-ASIP-transitoperatorinRussiaUkraineandBaltics Russian Federation 44->132 110 C:\Users\user\AppData\Local\...\vdcsb[1].exe, PE32 44->110 dropped 112 C:\Users\user\AppData\...\softokn3[1].dll, PE32 44->112 dropped 114 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 44->114 dropped 116 9 other files (7 malicious) 44->116 dropped 190 Tries to steal Mail credentials (via file / registry access) 44->190 192 Tries to harvest and steal ftp login credentials 44->192 194 Tries to harvest and steal browser information (history, passwords, etc) 44->194 196 2 other signatures 44->196 61 cmd.exe 44->61         started        63 cmd.exe 44->63         started        65 cmd.exe 44->65         started        134 gutterydhowi.shop 104.21.4.136, 443, 49743, 49768 CLOUDFLARENETUS United States 51->134 136 performenj.shop 104.21.51.224, 443, 49763, 49781 CLOUDFLARENETUS United States 51->136 138 4 other IPs or domains 51->138 file16 signatures17 process18 process19 67 userGCGDGHCBGD.exe 61->67         started        70 conhost.exe 61->70         started        72 userBAAFBFBAAK.exe 63->72         started        74 conhost.exe 63->74         started        76 userIJJJEBFHDB.exe 65->76         started        78 conhost.exe 65->78         started        signatures20 160 Multi AV Scanner detection for dropped file 67->160 162 Writes to foreign memory regions 67->162 164 Allocates memory in foreign processes 67->164 80 conhost.exe 67->80         started        82 RegAsm.exe 67->82         started        84 RegAsm.exe 67->84         started        166 Injects a PE file into a foreign processes 72->166 86 conhost.exe 72->86         started        88 RegAsm.exe 72->88         started        168 Machine Learning detection for dropped file 76->168 90 MFDBG.exe 76->90         started        process21 dnsIp22 130 api.ipify.org 104.26.13.205, 49769, 49790, 80 CLOUDFLARENETUS United States 90->130 106 C:\Users\user\AppData\Local\...\FDWDZ.exe, PE32 90->106 dropped 94 FDWDZ.exe 90->94         started        file23 process24
Threat name:
Win32.Trojan.Stealc
Status:
Malicious
First seen:
2024-09-25 00:21:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:lumma family:stealc family:vidar botnet:3a15237aa92dcd8ccca447211fb5fc2a botnet:default credential_access discovery persistence spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Detect Vidar Stealer
Lumma Stealer, LummaC
Stealc
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
http://46.8.231.109
https://stogeneratmns.shop/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
SH256 hash:
b832829177dcfb2f224062fdf796ffdce054c66ac391d4a2efdec7e06aeb69ee
MD5 hash:
80729909b073a23f2caf883d9b9dce98
SHA1 hash:
cf621df3f09b1103e247e1292e6c9d4894e90d92
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Vidar

Executable exe b832829177dcfb2f224062fdf796ffdce054c66ac391d4a2efdec7e06aeb69ee

(this sample)

  
Dropped by
Privateloader
  
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 (GUARD_CF)high

Comments