MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2877045b8070e96a89be7013bf36481f9abccb8fb7f527766a704e781882a5a9. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2877045b8070e96a89be7013bf36481f9abccb8fb7f527766a704e781882a5a9
SHA3-384 hash: 4cccc98130cc3cd0e3ff843158f16a6e6ce33d55446a5513d4ddc627d7683080deb16ef19f286f72f5f42496be66a954
SHA1 hash: 8ac4c3c3eff05b6db38c26a16d1c69eb913d7194
MD5 hash: f1214cfabdff698a3d7d49daec1254c1
humanhash: kitten-mike-kilo-robert
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:563'712 bytes
First seen:2024-10-04 13:58:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 76c28592e04b2b2bb1f52b3aac6a5c55 (8 x Vidar, 4 x Stealc, 3 x LummaStealer)
ssdeep 12288:yYQwqLWzDCQH2bJMHfmntiheky65t4Wz26xNe0H6P:gb3QHwM9hJy6wtqNm
Threatray 231 similar samples on MalwareBazaar
TLSH T1ABC40141B4C08032D57319370AF4EAB4AE7EFD314E76599FA7940B6E0F342D1A622B67
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 Bitsight
Tags:exe vidar


Avatar
Bitsight
url: http://jask.powerforxes.shop/ldms/9dd06d870941.exe#d15

Intelligence

File Origin
# of uploads :
1
# of downloads :
417
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-04 14:01:28 UTC
Tags:
vidar stealer stealc loader
Link:
https://app.any.run/tasks/887c1a58-486e-4692-a3a3-b1ec4c0610df

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=66fff4a80fdf8887097d1a29
Tags:
Backdoor Exploit Emotet Crypt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for synchronization primitives
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Connection attempt to an infection source
Running batch commands
Creating a process with a hidden window
Query of malicious DNS domain
Unauthorized injection to a system process
Sending an HTTP POST request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint lolbin microsoft_visual_cc packed xwizard
Link:
https://www.filescan.io/uploads/66fff4b37cc22997e7981b0a/reports/4cb8edf2-8d22-4ded-8e4d-a4c5ffaefd84/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/2877045b8070e96a89be7013bf36481f9abccb8fb7f527766a704e781882a5a9
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/c2ca6114-f178-4991-a261-ec1857f32523
Result
Threat name:
LummaC, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1525892
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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: 1525892 Sample: file.exe Startdate: 04/10/2024 Architecture: WINDOWS Score: 100 46 studennotediw.store 2->46 48 steamcommunity.com 2->48 50 13 other IPs or domains 2->50 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 Antivirus detection for URL or domain 2->68 70 16 other signatures 2->70 9 file.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 1 144 9->12         started        17 WerFault.exe 21 16 9->17         started        process6 dnsIp7 58 cowod.hopto.org 45.132.206.251, 49787, 80 LIFELINK-ASRU Russian Federation 12->58 60 proxy.johnmccrea.com 141.98.233.156, 49747, 49756, 80 CH-NET-ASRO Russian Federation 12->60 62 jask.powerforxes.shop 147.45.44.104, 49768, 80 FREE-NET-ASFREEnetEU Russian Federation 12->62 36 C:\Users\user\AppData\Local\...\sql[1].dll, PE32 12->36 dropped 38 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->38 dropped 40 C:\Users\user\AppData\Local\...\nss3[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 JEHIJJKEGH.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 Antivirus 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 20 16 19->27         started        30 conhost.exe 22->30         started        32 timeout.exe 1 22->32         started        process12 dnsIp13 52 feelystroll.buzz 104.21.0.152, 443, 49857 CLOUDFLARENETUS United States 24->52 54 eaglepawnoy.store 172.67.156.136, 443, 49794 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/2877045b8070e96a89be7013bf36481f9abccb8fb7f527766a704e781882a5a9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2877045b8070e96a89be7013bf36481f9abccb8fb7f527766a704e781882a5a9/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-10-04 13:59:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fb3qiw4aoduwvcn6oaj36nsid6nlzs4pw72so5tkobhhqgecuwuq._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
2730123ca927015ac3021aedfc4bcb1086252ffb5b91a9dd98db221fbfc6b217
Vidar
355efad50619f657c66449945fbc3cfd00a1b817d836be8eb3234e81be9f1a8a
Vidar
98a63017e0d5084ced9459e819a9586691062b1bbe5f2622069df90112201329
Vidar
c68856eee73796bc835c205be54888e3c99caf983dc5d35aedf2981fd41be527
Vidar
error
Vidar
+ 221 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/241004-radq5ssaqf/
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
Verdict:
Malicious
Tags:
stealc vidar stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/0ef422e4-3bca-4158-91e9-9e712d48d6f7
Unpacked files
SH256 hash:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
Link:
https://www.unpac.me/results/ecdfd824-78ad-40c5-8b67-83d8f4741571/
SH256 hash:
5b92d825a8f6b89b263c5ac41e0e133a758504257d8b2230012c90a0a12169a0
MD5 hash:
325f22d701af092039adb53b731633cd
SHA1 hash:
a4872f137ccf087fcd1451e8f509323b91ff35dd
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/ecdfd824-78ad-40c5-8b67-83d8f4741571/
Parent samples :
c7a9b126d27a142ad49c3b46591716348393efae2bf563df648701827bd7f80c
2877045b8070e96a89be7013bf36481f9abccb8fb7f527766a704e781882a5a9
af7db44f0971145d05b8ce1757fc2f8d0f549f39d2ea1818a96851f8d1df07eb
14970e8dfeec4ff1c9c60d9cea17b84544f7f671d8d9b5c6f17d637fb6f94bd2
SH256 hash:
2877045b8070e96a89be7013bf36481f9abccb8fb7f527766a704e781882a5a9
MD5 hash:
f1214cfabdff698a3d7d49daec1254c1
SHA1 hash:
8ac4c3c3eff05b6db38c26a16d1c69eb913d7194
Link:
https://www.unpac.me/results/ecdfd824-78ad-40c5-8b67-83d8f4741571/
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/2877045b8070e96a89be7013bf36481f9abccb8fb7f527766a704e781882a5a9

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

File information

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

Web download

Vidar

Executable exe 2877045b8070e96a89be7013bf36481f9abccb8fb7f527766a704e781882a5a9

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3209853/

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

Comments