MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76106d902328efa1e4a8c815e57a130f763a0a1ed5bfd1ba5707874c3ddaa84c. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76106d902328efa1e4a8c815e57a130f763a0a1ed5bfd1ba5707874c3ddaa84c
SHA3-384 hash: b4074fa04b86b52ad26a9bf3ee67f72f6d904e23fee4257ca153538935bf7624c50f3ca9c88745a8a20998240416a64f
SHA1 hash: eaa09aee812bd2466c0b750f9edc7e66088c38e2
MD5 hash: 37797bbf221a8b210a987c3822ee35fc
humanhash: thirteen-batman-happy-neptune
File name:uykb.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:279'040 bytes
First seen:2025-02-01 20:45:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9fa03dc67d87598889edf28a24bc9b26 (5 x Vidar)
ssdeep 3072:ne/3hGz8Su8ucwsy7vf7Qy63S9scCh4slxWsr7i9O3WWsZHpV0iukwEEfzqygF/S:n6xqucZy7vf8f3oMRxb/3W1Hp91Gq
TLSH T1F8546B613AA2CD7AD68020FF5C9DAABE1F1B889B6F8496E3B4945C4D5CB03D74231F41
TrID 49.9% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.6% (.EXE) OS/2 Executable (generic) (2029/13)
9.5% (.EXE) Generic Win/DOS Executable (2002/3)
9.4% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter aachum
Tags:exe vidar


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

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
669
Origin country :
ES ES
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.6607.13371.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679e8815a9881a7a01c4fe77
Tags:
crypt lien sage blic
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm crypto fingerprint hacktool packed packed packer_detected
Link:
https://www.filescan.io/uploads/679e8818d873aab3e75e9dd8/reports/41c6f399-1263-4564-8658-2e5e7e06cc01/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/76106d902328efa1e4a8c815e57a130f763a0a1ed5bfd1ba5707874c3ddaa84c
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/135f0a18-da5e-4bb2-b67c-c44dc27dca61
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1604719
Signature
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
Maps a DLL or memory area into another process
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
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 Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1604719 Sample: uykb.exe Startdate: 01/02/2025 Architecture: WINDOWS Score: 100 55 t.me 2->55 57 getyour.cyou 2->57 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Antivirus detection for URL or domain 2->75 77 6 other signatures 2->77 8 uykb.exe 33 2->8         started        12 msedge.exe 625 2->12         started        signatures3 process4 dnsIp5 59 t.me 149.154.167.99, 443, 49709 TELEGRAMRU United Kingdom 8->59 61 getyour.cyou 116.202.5.153, 443, 49710, 49711 HETZNER-ASDE Germany 8->61 63 127.0.0.1 unknown unknown 8->63 79 Attempt to bypass Chrome Application-Bound Encryption 8->79 81 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 8->81 83 Found many strings related to Crypto-Wallets (likely being stolen) 8->83 87 4 other signatures 8->87 14 msedge.exe 2 10 8->14         started        17 chrome.exe 8->17         started        20 cmd.exe 8->20         started        65 192.168.2.13 unknown unknown 12->65 67 192.168.2.15 unknown unknown 12->67 69 192.168.2.23 unknown unknown 12->69 85 Maps a DLL or memory area into another process 12->85 22 msedge.exe 12->22         started        24 msedge.exe 12->24         started        26 msedge.exe 12->26         started        28 3 other processes 12->28 signatures6 process7 dnsIp8 89 Monitors registry run keys for changes 14->89 30 msedge.exe 14->30         started        45 192.168.2.6, 443, 49656, 49703 unknown unknown 17->45 47 239.255.255.250 unknown Reserved 17->47 32 chrome.exe 17->32         started        35 conhost.exe 20->35         started        37 timeout.exe 20->37         started        49 c-msn-pme.trafficmanager.net 13.74.129.1, 443, 49892 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 22->49 51 20.110.205.119, 443, 49950, 49996 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 22->51 53 31 other IPs or domains 22->53 signatures9 process10 dnsIp11 39 www.google.com 216.58.212.164, 443, 49744, 49747 GOOGLEUS United States 32->39 41 plus.l.google.com 32->41 43 2 other IPs or domains 32->43
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/76106d902328efa1e4a8c815e57a130f763a0a1ed5bfd1ba5707874c3ddaa84c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/76106d902328efa1e4a8c815e57a130f763a0a1ed5bfd1ba5707874c3ddaa84c/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-02-01 03:30:24 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oyig3ebdfdx2dzfizak6k6qtb53ducq62w75dosxa6duypo2vbga._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar discovery stealer
Link:
https://tria.ge/reports/250201-zkbzas1pdm/
Behaviour
Modifies system certificate store
System Location Discovery: System Language Discovery
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/a2350c58-2ee0-4aea-8d5c-83804fd26e0a
Unpacked files
SH256 hash:
76106d902328efa1e4a8c815e57a130f763a0a1ed5bfd1ba5707874c3ddaa84c
MD5 hash:
37797bbf221a8b210a987c3822ee35fc
SHA1 hash:
eaa09aee812bd2466c0b750f9edc7e66088c38e2
Link:
https://www.unpac.me/results/093e6d83-c993-4436-be10-f7309e7c4f83/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/76106d902328efa1e4a8c815e57a130f763a0a1ed5bfd1ba5707874c3ddaa84c

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: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 d7d05573e26cf40978ecbccb62c1adaf4c2363f5463cc96dc50765da6157aff6

Vidar

Executable exe 76106d902328efa1e4a8c815e57a130f763a0a1ed5bfd1ba5707874c3ddaa84c

(this sample)

  
Link
https://tria.ge/250201-y6p8dayncz/
  
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 (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CreateStreamOnHGlobal
DP_APIUses DP APICRYPT32.dll::CryptUnprotectData
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
SHELL32.dll::SHFileOperationA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
WININET.dll::InternetCloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetSystemInfo
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::GetWindowsDirectoryA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
KERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::GetUserNameA
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptDecrypt
bcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptGenerateSymmetricKey
bcrypt.dll::BCryptOpenAlgorithmProvider
bcrypt.dll::BCryptSetProperty
bcrypt.dll::BCryptCloseAlgorithmProvider
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextA
CRYPT32.dll::CryptBinaryToStringA
ADVAPI32.dll::CryptGenRandom
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegGetValueA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::freeaddrinfo
WS2_32.dll::getaddrinfo
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CloseDesktop

Comments