MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b830fb5d195f47d080d73af41060f8be9049d20d26453ca00107367ce2fd1d9a. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b830fb5d195f47d080d73af41060f8be9049d20d26453ca00107367ce2fd1d9a
SHA3-384 hash: a82c4a18388a22b8bd71aa342398e4f7f74342d6ff142c7441b9a19d78e078b378c5605098cd616a80cd6f826aa609c4
SHA1 hash: 6dacc2fcec01a0f34d27619c4cade3c25f3a6d52
MD5 hash: dd44827a4ff7c9f0d3b4d94b8151144e
humanhash: zulu-pip-wolfram-steak
File name:7f3c2473d1e6.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:594'472 bytes
First seen:2024-10-05 13:36:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b9edcd584f3f9af873afe230ff977031 (4 x Vidar, 3 x Stealc, 1 x LummaStealer)
ssdeep 12288:h2qapAlfgoXFbrumro31PAANRet8Shpl62OmkymCyKtKndIisEO:vawfgAro3T3a8Shpl62W/CyEQWzt
Threatray 198 similar samples on MalwareBazaar
TLSH T19EC4015575C080B2D963253206F5CAB46F3DF9714FA54ECFA3A40B7F4F20290EA25A6B
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter aachum
Tags:exe vidar


Avatar
iamaachum
jask.powerforxes.shop/ldms/7f3c2473d1e6.exe#sp_vid

Vidar C2:
http://proxy.johnmccrea.com/
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed

Intelligence

File Origin
# of uploads :
1
# of downloads :
403
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
7f3c2473d1e6.exe
Verdict:
Malicious activity
Analysis date:
2024-10-05 13:38:17 UTC
Tags:
vidar stealer stealc loader
Link:
https://app.any.run/tasks/0685982d-eebf-4e39-b4f4-5500f6fd5b0a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67014100b932c04ee8fd1811
Tags:
Injection Exploit Emotet Crypt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint invalid-signature microsoft_visual_cc overlay packed signed stealc
Link:
https://www.filescan.io/uploads/670141017cc22997e7988295/reports/dda28fe4-664d-4332-9706-adebdd8cf40e/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b830fb5d195f47d080d73af41060f8be9049d20d26453ca00107367ce2fd1d9a
Result
Verdict:
SUSPICIOUS
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/ec31ca6c-ce55-4a68-8813-cee0c0662021
Result
Threat name:
LummaC, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1526402
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Country aware sample found (crashes after keyboard check)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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 AntiVM3
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1526402 Sample: 7f3c2473d1e6.exe Startdate: 05/10/2024 Architecture: WINDOWS Score: 100 46 studennotediw.store 2->46 48 steamcommunity.com 2->48 50 12 other IPs or domains 2->50 64 Multi AV Scanner detection for domain / URL 2->64 66 Suricata IDS alerts for network traffic 2->66 68 Found malware configuration 2->68 70 17 other signatures 2->70 9 7f3c2473d1e6.exe 2->9         started        signatures3 process4 signatures5 80 Writes to foreign memory regions 9->80 82 Allocates memory in foreign processes 9->82 84 Injects a PE file into a foreign processes 9->84 12 MSBuild.exe 1 205 9->12         started        17 WerFault.exe 19 16 9->17         started        process6 dnsIp7 58 cowod.hopto.org 45.132.206.251, 49881, 80 LIFELINK-ASRU Russian Federation 12->58 60 proxy.johnmccrea.com 141.98.233.156, 49750, 80 CH-NET-ASRO Russian Federation 12->60 62 jask.powerforxes.shop 147.45.44.104, 49862, 80 FREE-NET-ASFREEnetEU Russian Federation 12->62 36 C:\Users\user\AppData\...\a43486128347[1].exe, PE32 12->36 dropped 38 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->38 dropped 40 C:\Users\user\AppData\...\mozglue[1].dll, PE32 12->40 dropped 44 12 other files (8 malicious) 12->44 dropped 86 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->86 88 Found many strings related to Crypto-Wallets (likely being stolen) 12->88 90 Contains functionality to inject code into remote processes 12->90 92 6 other signatures 12->92 19 EHDHDHIECG.exe 12->19         started        22 cmd.exe 1 12->22         started        42 C:\ProgramData\Microsoft\...\Report.wer, Unicode 17->42 dropped file8 signatures9 process10 signatures11 72 Multi AV Scanner detection for dropped file 19->72 74 Machine Learning detection for dropped file 19->74 76 Writes to foreign memory regions 19->76 78 2 other signatures 19->78 24 MSBuild.exe 19->24         started        27 WerFault.exe 23 16 19->27         started        30 conhost.exe 22->30         started        32 timeout.exe 1 22->32         started        process12 dnsIp13 52 mobbipenju.store 104.21.69.130, 443, 49887 CLOUDFLARENETUS United States 24->52 54 eaglepawnoy.store 104.21.7.235, 443, 49894 CLOUDFLARENETUS United States 24->54 56 4 other IPs or domains 24->56 34 C:\ProgramData\Microsoft\...\Report.wer, Unicode 27->34 dropped file14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b830fb5d195f47d080d73af41060f8be9049d20d26453ca00107367ce2fd1d9a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b830fb5d195f47d080d73af41060f8be9049d20d26453ca00107367ce2fd1d9a/
Threat name:
Win32.Spyware.Vidar
Create hunting rule
Status:
Malicious
First seen:
2024-10-05 13:37:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xaypwxizl5d5bagxhl2bayhyx2ietuqnezctziaba43hzyx5dwna._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8
Vidar
20175d2f268bff73e352a5a5b85d987b8a5958311b1032251f7341def5396f4b
Vidar
3cea805f1396df15bdbcd4317388a046a41a6079dba04576a58ba7b2c812338a
Vidar
9d5a09f1e7085458979b815665c0065b267923a04a359bda91cebdd0e3ba7758
Vidar
da88bc40c7826a659ebd6da325bd04c9f52d4ceeef6916aafeef471c685a96b9
Vidar
error
Vidar
+ 188 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:lumma family:vidar credential_access discovery spyware stealer
Link:
https://tria.ge/reports/241005-qws8aayelb/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Executes dropped EXE
Loads dropped DLL
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Detect Vidar Stealer
Lumma Stealer, LummaC
Vidar
Malware Config
C2 Extraction:
http://proxy.johnmccrea.com/
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
https://spirittunek.store/api
https://mobbipenju.store/api
https://eaglepawnoy.store/api
https://dissapoiznw.store/api
https://studennotediw.store/api
https://bathdoomgaz.store/api
Verdict:
Malicious
Tags:
stealc vidar stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/479f6b1f-bfe2-45fd-9fa8-472fa2d85258
Unpacked files
SH256 hash:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
Link:
https://www.unpac.me/results/a882cd77-db05-47d2-8b6e-ba16317c7fab/
SH256 hash:
4747c4d01dc8961f767d6a178a00e75a116fa25df427524a86735705e4ab1c1c
MD5 hash:
d34d6334eb65f8f5691bd7d2ad91ca9c
SHA1 hash:
221a4d5485a1b1d0c60b5e4afa2ffe989c5de357
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/a882cd77-db05-47d2-8b6e-ba16317c7fab/
Parent samples :
355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a
60bd16249ed2f24c98380920cb581f447a806541827d4eb2a5c1e889b9379c30
b830fb5d195f47d080d73af41060f8be9049d20d26453ca00107367ce2fd1d9a
7636924a11e30d0ac5f8a2a7fb2b73416816565d059dbb0123324717eba828e2
01a67ace9d97e4ae157c3a68f9ba7fb919949b5569cec1880b29ffd349bdcca8
SH256 hash:
b830fb5d195f47d080d73af41060f8be9049d20d26453ca00107367ce2fd1d9a
MD5 hash:
dd44827a4ff7c9f0d3b4d94b8151144e
SHA1 hash:
6dacc2fcec01a0f34d27619c4cade3c25f3a6d52
Link:
https://www.unpac.me/results/a882cd77-db05-47d2-8b6e-ba16317c7fab/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Stealc
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b830fb5d195f47d080d73af41060f8be9049d20d26453ca00107367ce2fd1d9a

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Web download

Vidar

Executable exe b830fb5d195f47d080d73af41060f8be9049d20d26453ca00107367ce2fd1d9a

(this sample)

  
Link
https://tria.ge/241005-qsr6taydpc
  
Dropped by
PrivateLoader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3210921/

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
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::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments