MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41b381e462f4108957fbab888701dfb9e605621507f8dd2d3f71a32b429c5f0c. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 41b381e462f4108957fbab888701dfb9e605621507f8dd2d3f71a32b429c5f0c
SHA3-384 hash: dab535ead2c2b03d06eb3f55620cf0bfdd4509b6a86bffdc1530aa5c77cccca97c1b1d3fd61d1df3c0f73d856e6996fa
SHA1 hash: fe0132f85b63833f55a41651fcc0f32c1c96124d
MD5 hash: 0c4b826cab211945649ac4bbb0c48c6b
humanhash: neptune-kansas-nine-football
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:299'936 bytes
First seen:2024-09-19 23:44:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:D8zag1zxFKmMqtXpA8dI41MwJckA3/l6ah4LXeofOdLBhShSpk+JEO:OjNxjXrX1z1845DdfCLBxZEO
Threatray 23 similar samples on MalwareBazaar
TLSH T1F554129141400A15EFCD98B0DAA5C2BE1D10F9C1988687EB713DC276ABC177DBBF12E9
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/66ecb4573225b_vsbhfdg16.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
556
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-19 23:56:37 UTC
Tags:
vidar telegram stealer
Link:
https://app.any.run/tasks/4c36b5df-27e0-427f-8667-92198fe22828

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=66ecb7801db25d66857c541a
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
Behavior that indicates a threat
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66ecb7805e9303a29423142f/reports/2dea4e6b-ddd1-4662-a10b-862aa1fea10c/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/41b381e462f4108957fbab888701dfb9e605621507f8dd2d3f71a32b429c5f0c
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/aa5409f8-57af-4b10-a625-f2aaaf43f29a
Result
Threat name:
LummaC, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1514286
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 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 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
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1514286 Sample: file.exe Startdate: 20/09/2024 Architecture: WINDOWS Score: 100 53 t.me 2->53 55 steamcommunity.com 2->55 57 11 other IPs or domains 2->57 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Antivirus detection for URL or domain 2->75 77 12 other signatures 2->77 9 file.exe 2 2->9         started        signatures3 process4 file5 43 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->43 dropped 89 Contains functionality to inject code into remote processes 9->89 91 Writes to foreign memory regions 9->91 93 Allocates memory in foreign processes 9->93 95 Injects a PE file into a foreign processes 9->95 13 RegAsm.exe 1 114 9->13         started        18 conhost.exe 9->18         started        signatures6 process7 dnsIp8 65 t.me 149.154.167.99, 443, 49739, 49778 TELEGRAMRU United Kingdom 13->65 67 116.202.0.195, 443, 49740, 49741 HETZNER-ASDE Germany 13->67 69 147.45.44.104, 49764, 80 FREE-NET-ASFREEnetEU Russian Federation 13->69 45 C:\Users\...\66ecb454d2b4a_lgfdsjgds[1].exe, PE32 13->45 dropped 47 C:\Users\...\66ecb44c35444_vfdhsgdf[1].exe, PE32 13->47 dropped 49 C:\ProgramData\softokn3.dll, PE32 13->49 dropped 51 7 other files (5 malicious) 13->51 dropped 99 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->99 101 Found many strings related to Crypto-Wallets (likely being stolen) 13->101 103 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->103 105 5 other signatures 13->105 20 KEGDAKEHJD.exe 2 13->20         started        23 GIEHJKEBAA.exe 2 13->23         started        25 cmd.exe 1 13->25         started        file9 signatures10 process11 signatures12 79 Multi AV Scanner detection for dropped file 20->79 81 Writes to foreign memory regions 20->81 83 Allocates memory in foreign processes 20->83 27 RegAsm.exe 57 20->27         started        30 conhost.exe 20->30         started        32 RegAsm.exe 20->32         started        85 Injects a PE file into a foreign processes 23->85 87 LummaC encrypted strings found 23->87 34 RegAsm.exe 23->34         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 timeout.exe 1 25->41         started        process13 dnsIp14 97 Tries to harvest and steal browser information (history, passwords, etc) 27->97 59 questionmwq.shop 104.21.85.92, 443, 49766 CLOUDFLARENETUS United States 34->59 61 chickerkuso.shop 104.21.88.61, 443, 49767 CLOUDFLARENETUS United States 34->61 63 5 other IPs or domains 34->63 signatures15
Score:
74%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/41b381e462f4108957fbab888701dfb9e605621507f8dd2d3f71a32b429c5f0c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/41b381e462f4108957fbab888701dfb9e605621507f8dd2d3f71a32b429c5f0c/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-09-19 23:45:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=igzydzdc6qiisv73voeioao7xhtakyqva74n2lj7ogrswqu4l4ga._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f
Vidar
6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c
Vidar
d63d18c67f83e54c77072aa953c5e5c0496a7a4c2ac6ca8bd07e211ee80b3d6c
Vidar
d737637ee5f121d11a6f3295bf0d51b06218812b5ec04fe9ea484921e905a207
Vidar
f85d8599ca58d0d08292f94a6c51d6d8d21f050fef35862392106c549b12fba6
Vidar
+ 13 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/240919-3rp2aaxdne/
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
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
Credentials from Password Stores: Credentials from Web Browsers
Detect Vidar Stealer
Lumma Stealer, LummaC
Vidar
Malware Config
C2 Extraction:
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
https://questionmwq.shop/api
https://chickerkuso.shop/api
https://achievenmtynwjq.shop/api
https://puredoffustow.shop/api
https://opponnentduei.shop/api
https://metallygaricwo.shop/api
https://milldymarskwom.shop/api
https://quotamkdsdqo.shop/api
https://carrtychaintnyw.shop/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ed197cb7-32bc-46f4-9dbf-fcfd1dd8e7a8
Unpacked files
SH256 hash:
365699cc499201b366ecd5fbfa46985df4e9f858e3e6c310f8b9b0f1c3230bd0
MD5 hash:
8e7111d7c38c26cbb64907bdea14cdcb
SHA1 hash:
8e78ef013bc6b81caf6aace8cb92bd724e6f295c
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/0b4c8dac-8e68-4e43-bb83-1b5350c11370/
Parent samples :
5ddb5598f1156d0ea44502cfbe89fdb6805c6b4be08cd33fd1a963b94544918e
97540f3148ddcb96c67a5ca6ad8de79c2a49e10bae49c65515ab1b738587c747
44408030fc2d6ab0d35a060e03f750a4d53dd9045debd1c189da636d07e86147
a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd
41b381e462f4108957fbab888701dfb9e605621507f8dd2d3f71a32b429c5f0c
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
Link:
https://www.unpac.me/results/0b4c8dac-8e68-4e43-bb83-1b5350c11370/
SH256 hash:
41b381e462f4108957fbab888701dfb9e605621507f8dd2d3f71a32b429c5f0c
MD5 hash:
0c4b826cab211945649ac4bbb0c48c6b
SHA1 hash:
fe0132f85b63833f55a41651fcc0f32c1c96124d
Link:
https://www.unpac.me/results/0b4c8dac-8e68-4e43-bb83-1b5350c11370/
Malware family:
Lumma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/41b381e462f4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NETexecutableMicrosoft
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 41b381e462f4108957fbab888701dfb9e605621507f8dd2d3f71a32b429c5f0c

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3181731/

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