MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b10d3a615a6fb0971d10d6e853977f6c4b80a2085732e8273b363c2efa21aa9f. 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: 18


Intelligence 18 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b10d3a615a6fb0971d10d6e853977f6c4b80a2085732e8273b363c2efa21aa9f
SHA3-384 hash: 4da1c92b2b92f7e1b53e64a970b7f923fb3e21c682cc2fa279f887720c899de0009f878d9711293753fb1528a7db22eb
SHA1 hash: 4eb5f71cbe7f5c4a0cf45a024a73e722b559833b
MD5 hash: a34d7daa11a8fec34b5d435f2915b4e3
humanhash: william-two-snake-washington
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:289'320 bytes
First seen:2024-09-13 10:09:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:LnP22RU3G8V6uctgRgnllTLaHh95tjdB/sZe5rompXUDEO:jP25WLvtnllfaB9XxIe5rocXEEO
Threatray 36 similar samples on MalwareBazaar
TLSH T1AD5422408FE51F0CD8DF8F727751DB2AA865EEE66807E51690D9DAD08EA333C3346624
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: http://147.45.44.104/prog/66e40b28de38d_vdsfh12.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
436
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
b10d3a615a6fb0971d10d6e853977f6c4b80a2085732e8273b363c2efa21aa9f.exe
Verdict:
Malicious activity
Analysis date:
2024-09-13 13:01:58 UTC
Tags:
telegram stealer stealc vidar ddr
Link:
https://app.any.run/tasks/5d04bd05-0204-4928-bdc5-183d625d7f6d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Pwsx-10035189-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e40f7d76bc4542b0499039
Tags:
Banker Encryption Generic Network Static Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Creating a file in the %temp% directory
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Connection attempt to an infection source
Sending a TCP request to an infection source
Query of malicious DNS domain
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66e40f7dd7fbba2390eb28cf/reports/3ec6c5a7-1fc2-40f9-94d7-6ed8f52b35ba/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/b10d3a615a6fb0971d10d6e853977f6c4b80a2085732e8273b363c2efa21aa9f
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/ad11a4f3-c4bc-4df2-a904-8862675a34f7
Result
Threat name:
LummaC, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1510740
Signature
.NET source code contains very large array initializations
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
Found evasive API chain (may stop execution after checking locale)
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
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)
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
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1510740 Sample: file.exe Startdate: 13/09/2024 Architecture: WINDOWS Score: 100 108 t.me 2->108 110 stitchmiscpaew.shop 2->110 112 10 other IPs or domains 2->112 134 Multi AV Scanner detection for domain / URL 2->134 136 Suricata IDS alerts for network traffic 2->136 138 Found malware configuration 2->138 140 15 other signatures 2->140 12 file.exe 2 2->12         started        signatures3 process4 file5 92 C:\Users\user\AppData\Local\...\file.exe.log, CSV 12->92 dropped 162 Contains functionality to inject code into remote processes 12->162 164 Writes to foreign memory regions 12->164 166 Allocates memory in foreign processes 12->166 168 Injects a PE file into a foreign processes 12->168 16 RegAsm.exe 1 165 12->16         started        21 conhost.exe 12->21         started        signatures6 process7 dnsIp8 94 t.me 149.154.167.99, 443, 49739, 49781 TELEGRAMRU United Kingdom 16->94 96 5.75.214.132, 443, 49740, 49741 HETZNER-ASDE Germany 16->96 98 147.45.44.104, 49764, 49779, 80 FREE-NET-ASFREEnetEU Russian Federation 16->98 76 C:\Users\user\...\66e40b2e8a52e_lfsdj[1].exe, PE32 16->76 dropped 78 C:\Users\user\...\66e40b244964c_vdcsg[1].exe, PE32 16->78 dropped 80 C:\Users\user\...\66e40b2200f51_svfdsk[1].exe, PE32 16->80 dropped 82 9 other files (7 malicious) 16->82 dropped 118 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->118 120 Found many strings related to Crypto-Wallets (likely being stolen) 16->120 122 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 16->122 124 4 other signatures 16->124 23 CGDHDHJEBG.exe 2 16->23         started        26 HCAEHDHDAK.exe 16->26         started        28 EGHJKJKKJD.exe 2 16->28         started        30 cmd.exe 16->30         started        file9 signatures10 process11 signatures12 142 Multi AV Scanner detection for dropped file 23->142 144 Writes to foreign memory regions 23->144 146 Allocates memory in foreign processes 23->146 32 RegAsm.exe 32 23->32         started        37 conhost.exe 23->37         started        148 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 26->148 150 Injects a PE file into a foreign processes 26->150 39 conhost.exe 26->39         started        41 RegAsm.exe 26->41         started        152 LummaC encrypted strings found 28->152 43 RegAsm.exe 28->43         started        45 conhost.exe 28->45         started        47 conhost.exe 30->47         started        49 timeout.exe 30->49         started        process13 dnsIp14 100 46.8.231.109, 49770, 49777, 49778 FIORD-ASIP-transitoperatorinRussiaUkraineandBaltics Russian Federation 32->100 84 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 32->84 dropped 86 C:\Users\user\AppData\...\mozglue[1].dll, PE32 32->86 dropped 88 C:\Users\user\AppData\...\freebl3[1].dll, PE32 32->88 dropped 90 7 other files (5 malicious) 32->90 dropped 126 Tries to steal Mail credentials (via file / registry access) 32->126 128 Tries to harvest and steal ftp login credentials 32->128 130 Tries to harvest and steal browser information (history, passwords, etc) 32->130 132 2 other signatures 32->132 51 cmd.exe 32->51         started        53 cmd.exe 32->53         started        102 basedsymsotp.shop 104.21.78.130, 443, 49767, 49782 CLOUDFLARENETUS United States 43->102 104 stitchmiscpaew.shop 172.67.136.135, 443, 49772, 49787 CLOUDFLARENETUS United States 43->104 106 3 other IPs or domains 43->106 file15 signatures16 process17 process18 55 userGCAFCAFHJJ.exe 51->55         started        58 conhost.exe 51->58         started        60 userEHDHIDAEHC.exe 53->60         started        62 conhost.exe 53->62         started        signatures19 154 Multi AV Scanner detection for dropped file 55->154 156 Writes to foreign memory regions 55->156 158 Allocates memory in foreign processes 55->158 64 RegAsm.exe 55->64         started        67 conhost.exe 55->67         started        69 RegAsm.exe 55->69         started        160 Injects a PE file into a foreign processes 60->160 71 RegAsm.exe 60->71         started        74 conhost.exe 60->74         started        process20 dnsIp21 116 Tries to harvest and steal browser information (history, passwords, etc) 64->116 114 23.199.218.33, 443, 49790 AKAMAI-ASUS United States 71->114 signatures22
Score:
83%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b10d3a615a6fb0971d10d6e853977f6c4b80a2085732e8273b363c2efa21aa9f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b10d3a615a6fb0971d10d6e853977f6c4b80a2085732e8273b363c2efa21aa9f/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-09-13 10:10:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wegtuyk2n6yjohiq23ufhf37nrfybiqik4zoqjz3gy6c56rbvkpq._file
Verdict:
malicious
Similar samples:
4ed6d72fef68c583439e803871226e76588ce6436d10362011b21763e0ccf176
Vidar
5f20ea0b27db955d122e3cc2a7ad411550bb4b73692fb474ba01aeed0f182979
Vidar
70c7a307852a0d3fbf20f964e1c191ddea93c75907c45e203edc1badb6978a47
Vidar
cb8a4cb7d45a5f0828e0134d67947186498b8db141890ce488f6aa0240592665
Vidar
d401c3671807726e777b0a0814c4e4f55cf41684746813cad3a7ebbd1d3d7d71
Vidar
+ 26 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240913-l7c8zsxdnr/
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks installed software on the system
Reads user/profile data of web browsers
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Detect Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/175749eb-9914-4bd9-a04d-a6410ee8d774
Unpacked files
SH256 hash:
e10618ec15bd6a159d84db00f3c64eb44c414583c95160202236776e0272c332
MD5 hash:
6cfac8f3c8aece8c4046ab9413abbed2
SHA1 hash:
58f7f9dcfbcdafc8a4f16067fdbea9e3e1ca2c6e
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/79908bf2-94b8-4675-b2de-306e082c33c5/
Parent samples :
b10d3a615a6fb0971d10d6e853977f6c4b80a2085732e8273b363c2efa21aa9f
e3b383702d5791f228ce52895b00856b5ef50d5cba3b952389d3e64c8064d435
b1d00f55f9cc0198600fedd50b25b881dd010f8d027b68e9cfb870314b43022b
e4c2d3c019cf5161619d1f6ef5a76d7fb68f0cc9d4b0d004653e38bff42edf19
3d9855fcc2f225022896fb91724692a925354adee0985c94e18db195fa7c08e1
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
Link:
https://www.unpac.me/results/79908bf2-94b8-4675-b2de-306e082c33c5/
SH256 hash:
b10d3a615a6fb0971d10d6e853977f6c4b80a2085732e8273b363c2efa21aa9f
MD5 hash:
a34d7daa11a8fec34b5d435f2915b4e3
SHA1 hash:
4eb5f71cbe7f5c4a0cf45a024a73e722b559833b
Link:
https://www.unpac.me/results/79908bf2-94b8-4675-b2de-306e082c33c5/
Malware family:
Vidar.A
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b10d3a615a6f/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/b10d3a615a6fb0971d10d6e853977f6c4b80a2085732e8273b363c2efa21aa9f

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_APT29_WINELOADER_Backdoor
Create hunting rule
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
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 b10d3a615a6fb0971d10d6e853977f6c4b80a2085732e8273b363c2efa21aa9f

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3170383/

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