MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a294bf481aa526fb74cf00c400c68cb9c79da511840d455adaa8900cf8878a94. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a294bf481aa526fb74cf00c400c68cb9c79da511840d455adaa8900cf8878a94
SHA3-384 hash: 5bb5f7f74888b2d4ac84d6611e95d31d8ebcef58d598cdaf74399aac4589865a71d8b5fce764d1a16761d17c9a16bbcb
SHA1 hash: 8d1d79a0dd9a35fa6f41ab10c490cd32e0025f6a
MD5 hash: 6c057d56aaf85d273e5bf60c1321673e
humanhash: oklahoma-mirror-leopard-mobile
File name:s9471.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:375'296 bytes
First seen:2025-03-15 12:52:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c20b211897fc2b6d9fa32b006a00ef15 (10 x LummaStealer, 2 x DarkCloud, 2 x Vidar)
ssdeep 6144:eAJ0Ss90XARJi56I5pqUtKWGE/LMRqqLDcBV7sS+wiNIeCGRr05tRBgj2c:eAJ0SiRi56OwE/LMRBDcBV7sSGWeCc4A
TLSH T1D284F15B33A535F9E6BB8235C5940A05EBB2B4710360EB9F07A0475A2F172D19CAEF70
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter aachum
Tags:exe Stealc vidar


Avatar
iamaachum
http://77.90.153.244/s9471.exe

StealC C2: http://77.90.153.241/612acd258782ade8.php
StealC Botnet: DEFAULT

Intelligence

File Origin
# of uploads :
1
# of downloads :
395
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
s9471.exe
Verdict:
Malicious activity
Analysis date:
2025-03-15 12:56:43 UTC
Tags:
stealer stealc loader
Link:
https://app.any.run/tasks/c9de8a54-541a-44f6-99d2-e02417f82d56

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d58b8c3962f1a6f471a193
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
Connection attempt
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc packed packed packer_detected stealc
Link:
https://www.filescan.io/uploads/67d5784d01edd28374b0adf7/reports/cc871398-ed7f-4892-a5a8-e2b3abab945c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a294bf481aa526fb74cf00c400c68cb9c79da511840d455adaa8900cf8878a94
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/b4c6707d-64fc-45ea-a4c7-18e795e172bb
Result
Threat name:
Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1639383
Signature
Allocates memory in foreign processes
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
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Sigma detected: Silenttrinity Stager Msbuild Activity
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1639383 Sample: s9471.exe Startdate: 15/03/2025 Architecture: WINDOWS Score: 100 44 Suricata IDS alerts for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 8 s9471.exe 1 2->8         started        11 msedge.exe 8 2->11         started        process3 signatures4 54 Contains functionality to inject code into remote processes 8->54 56 Writes to foreign memory regions 8->56 58 Allocates memory in foreign processes 8->58 60 Injects a PE file into a foreign processes 8->60 13 MSBuild.exe 16 8->13         started        17 conhost.exe 8->17         started        19 msedge.exe 11->19         started        process5 dnsIp6 40 77.90.153.241, 49695, 49716, 80 RAPIDNET-DEHaunstetterStr19DE Germany 13->40 42 127.0.0.1 unknown unknown 13->42 62 Attempt to bypass Chrome Application-Bound Encryption 13->62 64 Tries to harvest and steal browser information (history, passwords, etc) 13->64 66 Searches for specific processes (likely to inject) 13->66 21 msedge.exe 2 9 13->21         started        24 chrome.exe 13->24         started        27 WerFault.exe 23 16 13->27         started        29 WerFault.exe 2 16 13->29         started        signatures7 process8 dnsIp9 52 Monitors registry run keys for changes 21->52 31 msedge.exe 21->31         started        38 192.168.2.6, 138, 443, 49202 unknown unknown 24->38 33 chrome.exe 24->33         started        signatures10 process11 dnsIp12 36 www.google.com 216.58.206.68, 443, 49700, 49701 GOOGLEUS United States 33->36
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a294bf481aa526fb74cf00c400c68cb9c79da511840d455adaa8900cf8878a94
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a294bf481aa526fb74cf00c400c68cb9c79da511840d455adaa8900cf8878a94/
Threat name:
Win64.Spyware.Stealc
Create hunting rule
Status:
Suspicious
First seen:
2025-03-13 19:06:33 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
19 of 36 (52.78%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ukkl6sa2uutpw5gpadcabrumxhdz3jirqqgukww2vciaz6ehrkka._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:lumma family:stealc family:vidar botnet:default botnet:e3a5dc9f3619e7e1987b9fcc98b49843 credential_access discovery persistence spyware stealer
Link:
https://tria.ge/reports/250315-p4pdmaxps9/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Drops startup file
Executes dropped EXE
Loads dropped DLL
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Uses browser remote debugging
Detect Vidar Stealer
Lumma Stealer, LummaC
Lumma family
Stealc
Stealc family
Vidar
Vidar family
Malware Config
C2 Extraction:
http://77.90.153.241
https://t.me/g_etcontent
https://steamcommunity.com/profiles/76561199832267488
https://citywand.live/api
https://crosshairc.life/api
https://smrodularmall.top/api
https://jowinjoinery.icu/api
https://legenassedk.top/api
https://htardwarehu.icu/api
https://cjlaspcorne.icu/api
https://sqbugildbett.top/api
https://weaponrywo.digital/api
Verdict:
Malicious
Tags:
stealer stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/576e56e6-eb5f-4aca-b628-b4ed00a7753f
Unpacked files
SH256 hash:
a294bf481aa526fb74cf00c400c68cb9c79da511840d455adaa8900cf8878a94
MD5 hash:
6c057d56aaf85d273e5bf60c1321673e
SHA1 hash:
8d1d79a0dd9a35fa6f41ab10c490cd32e0025f6a
Link:
https://www.unpac.me/results/348791b7-c2ac-4fbb-9277-0cdd67f2a9ec/
Malware family:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a294bf481aa5/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/a294bf481aa526fb74cf00c400c68cb9c79da511840d455adaa8900cf8878a94

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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 a294bf481aa526fb74cf00c400c68cb9c79da511840d455adaa8900cf8878a94

(this sample)

  
Link
https://tria.ge/250315-peatyaxjt6/
  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments