MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 590890f9b90b0485a47fd34d27534bbaf58dba0576512f145b03c9284e2ecae9. 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: 590890f9b90b0485a47fd34d27534bbaf58dba0576512f145b03c9284e2ecae9
SHA3-384 hash: fdf1123b80bd4c1b90bd1432384b0e6afb536e806e1bcf00527498c0c88a089522029dd5ace0f1984b3a619ebf042674
SHA1 hash: 7ba160b67773c450d59a41bdf3179ed4ca097287
MD5 hash: 07247639cd83d2e78aabc831240f4c51
humanhash: asparagus-saturn-tennessee-wyoming
File name:tvhaqk.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:35'328 bytes
First seen:2025-02-01 20:44:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:ib7UN5sVdbREulXGUchLHcpJeb2sVaAgNrJstfe:2UNOfbR1XRs8pJe6ug7
TLSH T147F25D303DEA502AF173AEBA8BD4B59ADA5EF7733B03985D10A1034B4A23E41DDD1539
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter aachum
Tags:exe vidar


Avatar
iamaachum
http://147.45.44.42/boom/tvhaqk.exe

Vidar C2:
https://t.me/m08mbk
https://steamcommunity.com/profiles/76561199820567237
https://getyour.cyou/

Intelligence

File Origin
# of uploads :
1
# of downloads :
535
Origin country :
ES ES
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.28956.9723.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679e87dda9881a7a01c4fe6e
Tags:
virus micro sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Launching a process
Creating a process with a hidden window
Creating a file
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
DNS request
Sending a custom TCP request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/679e87e2a4e90e7849c2cf5f/reports/345f9670-8034-4ff7-a189-2a4a7b737531/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/590890f9b90b0485a47fd34d27534bbaf58dba0576512f145b03c9284e2ecae9
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8239a613-98ba-425b-a96b-2ca4704efd55
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1604718
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Compiles code for process injection (via .Net compiler)
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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Silenttrinity Stager Msbuild Activity
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 Generic Downloader
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1604718 Sample: tvhaqk.exe Startdate: 01/02/2025 Architecture: WINDOWS Score: 100 49 t.me 2->49 51 shed.dual-low.s-part-0033.t-0009.t-msedge.net 2->51 53 3 other IPs or domains 2->53 73 Suricata IDS alerts for network traffic 2->73 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 13 other signatures 2->79 9 tvhaqk.exe 15 10 2->9         started        signatures3 process4 dnsIp5 61 147.45.44.42, 49731, 80 FREE-NET-ASFREEnetEU Russian Federation 9->61 43 C:\Users\user\AppData\...\kkizasxs.cmdline, Unicode 9->43 dropped 45 C:\Users\user\AppData\Local\...\kkizasxs.0.cs, Unicode 9->45 dropped 47 C:\Users\user\AppData\...\tvhaqk.exe.log, CSV 9->47 dropped 81 Writes to foreign memory regions 9->81 83 Allocates memory in foreign processes 9->83 85 Compiles code for process injection (via .Net compiler) 9->85 87 Injects a PE file into a foreign processes 9->87 14 MSBuild.exe 32 9->14         started        18 MSBuild.exe 9->18         started        20 csc.exe 3 9->20         started        23 2 other processes 9->23 file6 signatures7 process8 dnsIp9 67 t.me 149.154.167.99, 443, 49732 TELEGRAMRU United Kingdom 14->67 69 getyour.cyou 116.202.5.153, 443, 49733, 49734 HETZNER-ASDE Germany 14->69 71 127.0.0.1 unknown unknown 14->71 89 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->89 91 Found many strings related to Crypto-Wallets (likely being stolen) 14->91 93 Tries to harvest and steal ftp login credentials 14->93 97 3 other signatures 14->97 25 chrome.exe 14->25         started        28 cmd.exe 1 14->28         started        95 Attempt to bypass Chrome Application-Bound Encryption 18->95 41 C:\Users\user\AppData\Local\...\kkizasxs.dll, PE32 20->41 dropped 30 conhost.exe 20->30         started        32 cvtres.exe 1 20->32         started        file10 signatures11 process12 dnsIp13 63 192.168.2.4, 138, 443, 49534 unknown unknown 25->63 65 239.255.255.250 unknown Reserved 25->65 34 chrome.exe 25->34         started        37 conhost.exe 28->37         started        39 timeout.exe 1 28->39         started        process14 dnsIp15 55 plus.l.google.com 142.250.185.206, 443, 49756 GOOGLEUS United States 34->55 57 www.google.com 142.250.186.164, 443, 49743, 49746 GOOGLEUS United States 34->57 59 2 other IPs or domains 34->59
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/590890f9b90b0485a47fd34d27534bbaf58dba0576512f145b03c9284e2ecae9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/590890f9b90b0485a47fd34d27534bbaf58dba0576512f145b03c9284e2ecae9/
Threat name:
Win32.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2025-02-01 20:45:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=leejb6nzbmciljd72ngsou2lxl2y3oqfozis6fc3apesqtrozluq._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar discovery stealer
Link:
https://tria.ge/reports/250201-zjrncszkd1/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Downloads MZ/PE file
Vidar
Vidar family
Malware Config
C2 Extraction:
https://t.me/m08mbk
https://steamcommunity.com/profiles/76561199820567237
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/a8b6c685-8e1b-4812-b079-5f9f03776c13
Unpacked files
SH256 hash:
590890f9b90b0485a47fd34d27534bbaf58dba0576512f145b03c9284e2ecae9
MD5 hash:
07247639cd83d2e78aabc831240f4c51
SHA1 hash:
7ba160b67773c450d59a41bdf3179ed4ca097287
Link:
https://www.unpac.me/results/245034d4-75ad-45dc-bdf7-a9c965b8df5e/
SH256 hash:
e58cbee67321a38d6327343aadb1ff88a8ea5e30838c044da2940a2bcbd5300d
MD5 hash:
1302ac2015858bc119a1862120fe1a70
SHA1 hash:
fabfd2ea0e9523a05753e6f91b8cb4caae259204
Link:
https://www.unpac.me/results/245034d4-75ad-45dc-bdf7-a9c965b8df5e/
Malware family:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/590890f9b90b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
vidar
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/590890f9b90b0485a47fd34d27534bbaf58dba0576512f145b03c9284e2ecae9

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 d7d05573e26cf40978ecbccb62c1adaf4c2363f5463cc96dc50765da6157aff6

Vidar

Executable exe 590890f9b90b0485a47fd34d27534bbaf58dba0576512f145b03c9284e2ecae9

(this sample)

  
Link
https://tria.ge/250201-y6kynayncv/
  
Dropped by
SHA256 d7d05573e26cf40978ecbccb62c1adaf4c2363f5463cc96dc50765da6157aff6
  
Delivery method
Distributed via web download
  
Dropped by
MD5 c57c72458776a0b6a653f6c828c229f2

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