MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a183934f8e5161ab94c2bd78598b6138b3990a3a2c55b82fa5a7137be3cf6f72. 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: 13


Intelligence 13 IOCs YARA 12 File information Comments

SHA256 hash: a183934f8e5161ab94c2bd78598b6138b3990a3a2c55b82fa5a7137be3cf6f72
SHA3-384 hash: 763dacefee92fca3b9c4052e439d89f9ca58a3adcef7c3deedcb93a80bc429a1ec7bc9629da5ba174a4a65ad5acfe80b
SHA1 hash: f1eeb346b025a4f7baa4891874fb90131010e46b
MD5 hash: dcaddb2c0a5dc68823c6515cb8d6626a
humanhash: venus-blue-white-hawaii
File name:dcaddb2c0a5dc68823c6515cb8d6626a.exe
Download: download sample
Signature Vidar
File size:299'008 bytes
First seen:2024-02-29 09:58:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a24ea59447df74f26ce8c1567f650e9c (4 x Smoke Loader, 1 x Stealc, 1 x Socks5Systemz)
ssdeep 6144:l6WOR0LVpyLjfb4PQF/9H3c9H36O/NTg7t:4WYQVozUYlHs9Kc
TLSH T1AE54E01235B3D4B2C89B01F14821FEA01A7BB8325961899F33A42F6F6D737D15B25BD2
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.1% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 809088849088c000 (1 x Vidar)
Reporter abuse_ch
Tags:exe vidar

Intelligence


File Origin
# of uploads :
1
# of downloads :
353
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint packed
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.
Result
Threat name:
Phonk Miner, PureLog Stealer, Vidar
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Signature
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Country aware sample found (crashes after keyboard check)
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Searches for specific processes (likely to inject)
Self deletion via cmd or bat file
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)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Yara detected AntiVM3
Yara detected Phonk Miner
Yara detected PureLog Stealer
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1400820 Sample: rifOJAaHdL.exe Startdate: 29/02/2024 Architecture: WINDOWS Score: 100 36 steamcommunity.com 2->36 38 nacionalveiculos.com 2->38 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 15 other signatures 2->52 8 rifOJAaHdL.exe 67 2->8         started        signatures3 process4 dnsIp5 40 nacionalveiculos.com 177.234.152.236, 443, 49746 LEVEL3US Brazil 8->40 42 65.109.242.251, 443, 49721, 49722 ALABANZA-BALTUS United States 8->42 44 steamcommunity.com 104.105.90.131, 443, 49720 AKAMAI-ASUS United States 8->44 28 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->28 dropped 30 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 8->30 dropped 32 C:\Users\user\AppData\...\mozglue[1].dll, PE32 8->32 dropped 34 12 other files (8 malicious) 8->34 dropped 62 Detected unpacking (changes PE section rights) 8->62 64 Detected unpacking (creates a PE file in dynamic memory) 8->64 66 Detected unpacking (overwrites its own PE header) 8->66 68 7 other signatures 8->68 13 cmd.exe 1 8->13         started        15 cmd.exe 1 8->15         started        17 WerFault.exe 22 16 8->17         started        file6 signatures7 process8 process9 19 IDAEBGCAAE.exe 1 13->19         started        22 conhost.exe 13->22         started        24 conhost.exe 15->24         started        26 timeout.exe 1 15->26         started        signatures10 54 Antivirus detection for dropped file 19->54 56 Multi AV Scanner detection for dropped file 19->56 58 Detected unpacking (changes PE section rights) 19->58 60 4 other signatures 19->60
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-02-28 00:56:37 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:b8a5ebfe4a0abceff8d2cd1a6c6c4024 stealer
Behaviour
Modifies system certificate store
Program crash
Detect Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199644883218
https://t.me/neoschats
Unpacked files
SH256 hash:
a183934f8e5161ab94c2bd78598b6138b3990a3a2c55b82fa5a7137be3cf6f72
MD5 hash:
dcaddb2c0a5dc68823c6515cb8d6626a
SHA1 hash:
f1eeb346b025a4f7baa4891874fb90131010e46b
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:Check_Dlls
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:QbotStuff
Author:anonymous
Rule name:Windows_Generic_Threat_c374cd85
Author:Elastic Security
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security

File information


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

Web download

Vidar

Executable exe a183934f8e5161ab94c2bd78598b6138b3990a3a2c55b82fa5a7137be3cf6f72

(this sample)

  
Delivery method
Distributed via web download

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