MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5. 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: ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5
SHA3-384 hash: b8372830954153ba4bc8dbe51b9a12b1a0af4cea947b18ea7223ab69e306b6d5a9692c2396ba0ed09166d5198a8f3f0d
SHA1 hash: 4cdf57dcdeb3c3ebbac40f7b5d8846da1a9b3f46
MD5 hash: cb001c3f82f9c3386ac03c2718f69ca4
humanhash: cardinal-double-sweet-north
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:5'661'736 bytes
First seen:2024-09-28 05:39:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 98304:sZVMlgGcASSOZMajAIuvkD2Lec3PYs7ecbwJMpjva81bkKyNTR1eXzs0cF:AMaGwEaj4vxeMQmecbuTRkzs5
TLSH T1DD4633E00A151225EFC2C376490CB5416EFFB18616B92A894AAF2F6FD974CF303A51F5
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:exe vidar


Avatar
Bitsight
url: https://files.bloodqwe.shop/ldms/66f75febd7d42_vases16.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
399
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-28 05:41:51 UTC
Tags:
vidar telegram
Link:
https://app.any.run/tasks/b7e9e8d1-7319-4eb7-8d31-0e231171e5fa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Msilzilla-10036350-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f796b579032805ce8eba12
Tags:
Encryption Static Nekark Exploit Tori Msil
Gathering data
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5
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:
Malicious
Link:
https://analyze.intezer.com/analyses/ee06922a-52a2-4d5a-b214-869a49924ace
Result
Threat name:
LummaC, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1521315
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
AI detected suspicious sample
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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
Malicious sample detected (through community Yara rule)
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)
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: 1521315 Sample: file.exe Startdate: 28/09/2024 Architecture: WINDOWS Score: 100 67 t.me 2->67 69 offensivedzvju.shop 2->69 71 3 other IPs or domains 2->71 89 Suricata IDS alerts for network traffic 2->89 91 Found malware configuration 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 12 other signatures 2->95 10 file.exe 2 2->10         started        signatures3 process4 file5 51 C:\Users\user\AppData\Local\...\file.exe.log, CSV 10->51 dropped 109 Contains functionality to inject code into remote processes 10->109 111 Writes to foreign memory regions 10->111 113 Allocates memory in foreign processes 10->113 115 Injects a PE file into a foreign processes 10->115 14 RegAsm.exe 1 150 10->14         started        19 RegAsm.exe 10->19         started        21 conhost.exe 10->21         started        23 RegAsm.exe 10->23         started        signatures6 process7 dnsIp8 73 t.me 149.154.167.99, 443, 49718, 49748 TELEGRAMRU United Kingdom 14->73 75 cowod.hopto.org 45.132.206.251, 49746, 80 LIFELINK-ASRU Russian Federation 14->75 77 files.bloodqwe.shop 172.67.167.90, 443, 49720, 49721 CLOUDFLARENETUS United States 14->77 57 C:\Users\user\...\66f75feece638_ldmg[1].exe, PE32 14->57 dropped 59 C:\Users\user\...\66f75fd9dc673_vasd[1].exe, PE32 14->59 dropped 61 C:\ProgramData\IJKFCFHJDBKK\softokn3.dll, PE32 14->61 dropped 63 7 other files (5 malicious) 14->63 dropped 79 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->79 81 Found many strings related to Crypto-Wallets (likely being stolen) 14->81 83 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->83 87 4 other signatures 14->87 25 FHJEGIIEGI.exe 2 14->25         started        28 FHDAFIIDAK.exe 14->28         started        30 cmd.exe 14->30         started        85 Searches for specific processes (likely to inject) 19->85 file9 signatures10 process11 signatures12 99 Writes to foreign memory regions 25->99 101 Allocates memory in foreign processes 25->101 103 Injects a PE file into a foreign processes 25->103 105 LummaC encrypted strings found 25->105 32 RegAsm.exe 25->32         started        35 conhost.exe 25->35         started        107 Multi AV Scanner detection for dropped file 28->107 37 RegAsm.exe 28->37         started        40 conhost.exe 28->40         started        42 conhost.exe 30->42         started        44 timeout.exe 30->44         started        process13 dnsIp14 65 offensivedzvju.shop 188.114.97.3, 443, 49737, 49739 CLOUDFLARENETUS European Union 32->65 46 WerFault.exe 23 16 32->46         started        49 WerFault.exe 2 16 32->49         started        97 Tries to harvest and steal browser information (history, passwords, etc) 37->97 signatures15 process16 file17 53 C:\ProgramData\Microsoft\...\Report.wer, Unicode 46->53 dropped 55 C:\ProgramData\Microsoft\...\Report.wer, Unicode 49->55 dropped
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5/
Threat name:
ByteCode-MSIL.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-09-28 05:24:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55bpoyrgm3azth6tjsrujco2qgql37byveif32xd7nyinj4cqdkq._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:lumma family:vidar botnet:adff67a4d89d160d64a32272a3076979 botnet:ffa0fc7713f6625bf874f947bcf3df53 credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240928-gcv34azbqp/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
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
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Detect Vidar Stealer
Lumma Stealer, LummaC
Vidar
Malware Config
C2 Extraction:
https://t.me/jamsemlg
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
https://reinforcenh.shop/api
https://stogeneratmns.shop/api
https://fragnantbui.shop/api
https://drawzhotdog.shop/api
https://vozmeatillu.shop/api
https://offensivedzvju.shop/api
https://ghostreedmnu.shop/api
https://gutterydhowi.shop/api
Verdict:
Malicious
Tags:
stealc vidar stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/e19bb9fe-4a65-4e70-9c83-ac79b38f3385
Unpacked files
SH256 hash:
8588aff96413c522fc2b3db70066282c7f9c97b28fe7e7235aca9afe9073ce16
MD5 hash:
f88f0e59cc59595359b025c7c7ade091
SHA1 hash:
8c9fd14c728bd81e1a328ae918ce889e58e6f3af
Link:
https://www.unpac.me/results/aff5c429-55ac-4e49-b4ac-4b795635f3ff/
SH256 hash:
691ed74e60f820f5b1a66d739ff074503bd16f1b7743792bcf4840e9abbc8d2a
MD5 hash:
efa06cce09748a48345a33e7b79c588d
SHA1 hash:
8c7e2a319f1d097fbb378ddb2ce437c15778615d
Link:
https://www.unpac.me/results/aff5c429-55ac-4e49-b4ac-4b795635f3ff/
SH256 hash:
8e927a0454cbeed9d8748b9275faabad86cd13013b09cdb655c16a3506f97701
MD5 hash:
0a1608035a69b3d2f51f764a213114d3
SHA1 hash:
832c9e4134acd87a94a88c93afccb63cfbef3d58
Detections:
VidarStealer
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/aff5c429-55ac-4e49-b4ac-4b795635f3ff/
SH256 hash:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
Link:
https://www.unpac.me/results/aff5c429-55ac-4e49-b4ac-4b795635f3ff/
SH256 hash:
74ebbac956e519e16923abdc5ab8912098a4f64e38ddcb2eae23969f306afe5a
MD5 hash:
4e52d739c324db8225bd9ab2695f262f
SHA1 hash:
71c3da43dc5a0d2a1941e874a6d015a071783889
Link:
https://www.unpac.me/results/aff5c429-55ac-4e49-b4ac-4b795635f3ff/
SH256 hash:
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 hash:
1cc453cdf74f31e4d913ff9c10acdde2
SHA1 hash:
6e85eae544d6e965f15fa5c39700fa7202f3aafe
Link:
https://www.unpac.me/results/aff5c429-55ac-4e49-b4ac-4b795635f3ff/
SH256 hash:
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 hash:
c8fd9be83bc728cc04beffafc2907fe9
SHA1 hash:
95ab9f701e0024cedfbd312bcfe4e726744c4f2e
Link:
https://www.unpac.me/results/aff5c429-55ac-4e49-b4ac-4b795635f3ff/
SH256 hash:
edd043f2005dbd5902fc421eabb9472a7266950c5cbaca34e2d590b17d12f5fa
MD5 hash:
550686c0ee48c386dfcb40199bd076ac
SHA1 hash:
ee5134da4d3efcb466081fb6197be5e12a5b22ab
Link:
https://www.unpac.me/results/aff5c429-55ac-4e49-b4ac-4b795635f3ff/
SH256 hash:
ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5
MD5 hash:
cb001c3f82f9c3386ac03c2718f69ca4
SHA1 hash:
4cdf57dcdeb3c3ebbac40f7b5d8846da1a9b3f46
Link:
https://www.unpac.me/results/aff5c429-55ac-4e49-b4ac-4b795635f3ff/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef42f7622666/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5

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:Detect_Malicious_VBScript_Base64
Create hunting rule
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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 ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3194699/

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