MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c136cc4b86cb9fcba40a5a0f9d0a33f5dfdb47b79ccd485e8366d90af029af10. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c136cc4b86cb9fcba40a5a0f9d0a33f5dfdb47b79ccd485e8366d90af029af10
SHA3-384 hash: 7d26b9eebad1f79c0dd5b61b80dfc84a301b9d37e051d95766c19f99f8bb27e16942dfad96ce8a251b5269c86552a338
SHA1 hash: 25399a100848cdfc995b59bee8fec5d27b451bc6
MD5 hash: b4b23395474eed4df3b8113d90fdf3f0
humanhash: jersey-oxygen-princess-friend
File name:random.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:353'280 bytes
First seen:2025-01-26 13:12:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:Ee7/cRR+JQ8mjAnN3yf8Hwjq4LQvwKnNGBf5UkNEH9IuyyrYJu:EY6R+JQXjAnN3ykQO4L14Y6wmOnyrYJ
TLSH T195748C6976A8C921C28D0736D1CA5500D3F39883B527FE1AB9C827D50E4B3EEE809797
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter aachum
Tags:exe vidar


Avatar
iamaachum
185.215.113.39/files/darkfarter/random.exe

Vidar C2:
https://t.me/sc1phell
https://steamcommunity.com/profiles/76561199819539662
https://fizzysu.sbs/

Intelligence

File Origin
# of uploads :
1
# of downloads :
533
Origin country :
ES ES
Vendor Threat Intelligence
Detection(s):
Win.Packed.Zusy-10023527-0
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67963147bb54c6545301286f
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Searching for synchronization primitives
Сreating synchronization primitives
DNS request
Connection attempt
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Sending an HTTP GET request
Searching for the window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
net_reactor obfuscated obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/679634a344c1dd69969dc078/reports/165d15e5-bce2-46e1-a08e-c748ac7dc689/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c136cc4b86cb9fcba40a5a0f9d0a33f5dfdb47b79ccd485e8366d90af029af10
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7e980c49-d404-4a00-90a9-270f61180751
Result
Threat name:
PureLog Stealer, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1599755
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
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
Yara detected Powershell download and execute
Yara detected PureLog Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1599755 Sample: random.exe Startdate: 26/01/2025 Architecture: WINDOWS Score: 100 33 fizzysu.sbs 2->33 35 t.me 2->35 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 10 other signatures 2->53 9 random.exe 2->9         started        signatures3 process4 signatures5 55 Attempt to bypass Chrome Application-Bound Encryption 9->55 57 Found many strings related to Crypto-Wallets (likely being stolen) 9->57 59 Contains functionality to inject code into remote processes 9->59 61 2 other signatures 9->61 12 random.exe 28 9->12         started        16 WerFault.exe 21 16 9->16         started        process6 dnsIp7 41 fizzysu.sbs 5.75.209.106, 443, 49732, 49735 HETZNER-ASDE Germany 12->41 43 t.me 149.154.167.99, 443, 49731 TELEGRAMRU United Kingdom 12->43 45 127.0.0.1 unknown unknown 12->45 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->63 65 Found many strings related to Crypto-Wallets (likely being stolen) 12->65 67 Tries to harvest and steal ftp login credentials 12->67 69 3 other signatures 12->69 19 chrome.exe 12->19         started        22 cmd.exe 1 12->22         started        31 C:\ProgramData\Microsoft\...\Report.wer, Unicode 16->31 dropped file8 signatures9 process10 dnsIp11 37 239.255.255.250 unknown Reserved 19->37 24 chrome.exe 19->24         started        27 conhost.exe 22->27         started        29 timeout.exe 1 22->29         started        process12 dnsIp13 39 www.google.com 172.217.16.196, 443, 49758, 49761 GOOGLEUS United States 24->39
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c136cc4b86cb9fcba40a5a0f9d0a33f5dfdb47b79ccd485e8366d90af029af10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c136cc4b86cb9fcba40a5a0f9d0a33f5dfdb47b79ccd485e8366d90af029af10/
Threat name:
Win32.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2025-01-25 19:36:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ye3mys4gzop4xjaklihz2crt6xp5wr5xttguqxudm3mqv4bjv4ia._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar discovery stealer
Link:
https://tria.ge/reports/250126-qfgvbatkfr/
Behaviour
Modifies system certificate store
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Detect Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://t.me/sc1phell
https://steamcommunity.com/profiles/76561199819539662
Verdict:
Malicious
Tags:
Win.Packed.Zusy-10023527-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ad5e2478-95c9-42ce-b30a-3f818ba3b791
Unpacked files
SH256 hash:
fe4d281af5818df43bf69db1e6d7a1d426d2a31c30ebbf7d2370a1f78b05961c
MD5 hash:
c7734e1ff526589be5753d90e0bb803e
SHA1 hash:
0c6248c1389ad7e0c1b9953800243b2ae39b25e4
Detections:
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Link:
https://www.unpac.me/results/81763529-bc9b-4c24-88bb-67113408762b/
SH256 hash:
c136cc4b86cb9fcba40a5a0f9d0a33f5dfdb47b79ccd485e8366d90af029af10
MD5 hash:
b4b23395474eed4df3b8113d90fdf3f0
SHA1 hash:
25399a100848cdfc995b59bee8fec5d27b451bc6
Link:
https://www.unpac.me/results/81763529-bc9b-4c24-88bb-67113408762b/
Malware family:
CryptBot.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c136cc4b86cb/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/c136cc4b86cb9fcba40a5a0f9d0a33f5dfdb47b79ccd485e8366d90af029af10

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:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
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)

File information

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

Web download

Vidar

Executable exe c136cc4b86cb9fcba40a5a0f9d0a33f5dfdb47b79ccd485e8366d90af029af10

(this sample)

  
Link
https://tria.ge/250126-p4wgya1rb1/
  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3415054/
  
URLhaus
https://urlhaus.abuse.ch/url/3415056/
  
URLhaus
https://urlhaus.abuse.ch/url/3415236/
  
URLhaus
https://urlhaus.abuse.ch/url/3415237/

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