MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd5e477a5ef24773b8ed6e2acce77583e557a7def1eaf3ac6e51b71e4d599a65. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: fd5e477a5ef24773b8ed6e2acce77583e557a7def1eaf3ac6e51b71e4d599a65
SHA3-384 hash: 8b46ed52dd7242f4b2dbe4cee1cb63283a75f902e3c9af75982fe073c681b86e5f6460a9607d096fca64b830ddfd3ebb
SHA1 hash: 9992ef93cf63ca7b2dbf4f53e6e7d3da523c0607
MD5 hash: e3af7d1d0cf8fdb64fd1325c5bdee3ac
humanhash: apart-social-mobile-louisiana
File name:file
Download: download sample
Signature Vidar
File size:2'265'088 bytes
First seen:2023-04-23 11:19:19 UTC
Last seen:2023-04-23 18:20:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:m36P4vcvVN9gMWsvvS3OcZkQVj2hpyMkyj7NHlKaOKdlsBT5Q6S:m3d0tN6GS3bkQOMvynKaIe6S
Threatray 1'324 similar samples on MalwareBazaar
TLSH T112A55C2439FA502AF173EFB99EE474E6DAAFB7633706641D109103460B23A81EDD153E
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon c2f069981cf1d3f4 (1 x Vidar)
Reporter andretavare5
Tags:exe vidar


Avatar
andretavare5
Sample downloaded from https://vk.com/doc791620691_662661408?hash=xLIv9NfIFwxZkqWJ69qmP6lFYMFlf3Oez5FmJ81hzr4&dl=G44TCNRSGA3DSMI:1682162021:7vbx4IysLJBQATryk6G3uFVutNQcUBFssiG4thfAXOD&api=1&no_preview=1#crypto_kis_v

Intelligence


File Origin
# of uploads :
2
# of downloads :
265
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-04-23 11:22:00 UTC
Tags:
stealer vidar trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Using the Windows Management Instrumentation requests
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Searching for analyzing tools
Searching for the window
Creating a file in the %AppData% subdirectories
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Clipboard Hijacker, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Clipboard Hijacker
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 852319 Sample: file.exe Startdate: 23/04/2023 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 10 other signatures 2->70 9 file.exe 3 2->9         started        13 oobeldr.exe 2->13         started        process3 file4 48 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->48 dropped 72 Writes to foreign memory regions 9->72 74 Injects a PE file into a foreign processes 9->74 15 jsc.exe 20 9->15         started        20 cvtres.exe 9->20         started        22 ServiceModelReg.exe 9->22         started        26 20 other processes 9->26 76 Multi AV Scanner detection for dropped file 13->76 78 Detected unpacking (changes PE section rights) 13->78 80 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 13->80 82 6 other signatures 13->82 24 schtasks.exe 1 13->24         started        signatures5 process6 dnsIp7 52 116.203.220.83, 49702, 80 HETZNER-ASDE Germany 15->52 54 t.me 149.154.167.99, 443, 49701 TELEGRAMRU United Kingdom 15->54 56 cdn.discordapp.com 162.159.134.233, 443, 49703 CLOUDFLARENETUS United States 15->56 44 C:\Users\user\AppData\Local\...\KLIPE[1].exe, MS-DOS 15->44 dropped 46 C:\ProgramData\51192552950702180697.exe, MS-DOS 15->46 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->58 60 Tries to harvest and steal browser information (history, passwords, etc) 15->60 62 Tries to steal Crypto Currency Wallets 15->62 28 51192552950702180697.exe 1 15->28         started        32 cmd.exe 1 15->32         started        34 conhost.exe 24->34         started        file8 signatures9 process10 file11 50 C:\Users\user\AppData\Roaming\...\oobeldr.exe, MS-DOS 28->50 dropped 84 Multi AV Scanner detection for dropped file 28->84 86 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 28->86 88 Query firmware table information (likely to detect VMs) 28->88 90 5 other signatures 28->90 36 schtasks.exe 1 28->36         started        38 conhost.exe 32->38         started        40 timeout.exe 1 32->40         started        signatures12 process13 process14 42 conhost.exe 36->42         started       
Threat name:
ByteCode-MSIL.Trojan.BadNetLdr
Status:
Malicious
First seen:
2023-04-23 11:20:10 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
9
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:1ba4b1695fdd1c995863750c0e6924af spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
.NET Reactor proctector
Loads dropped DLL
Uses the VBS compiler for execution
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199497218285
https://t.me/tg_duckworld
Unpacked files
SH256 hash:
fd5e477a5ef24773b8ed6e2acce77583e557a7def1eaf3ac6e51b71e4d599a65
MD5 hash:
e3af7d1d0cf8fdb64fd1325c5bdee3ac
SHA1 hash:
9992ef93cf63ca7b2dbf4f53e6e7d3da523c0607
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:INDICATOR_EXE_Packed_DotNetReactor
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments