MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95
SHA3-384 hash: 7da514128b7cbf848f3c10816b505245012c68e8fe139998dcd580c14517d86e891b7de78e692e901d33b90566fa23d5
SHA1 hash: 4f120f480442a2525bccd5babee3a69a2128a959
MD5 hash: 44723eb5e4cd0352241c74aeb4fa93e8
humanhash: network-dakota-magazine-delta
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:414'248 bytes
First seen:2024-09-29 08:23:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:P3bdKBAAppjvKSXXTc6LZbV/ySx4aJLeMUKqbLT2EO:PLpApp+8oOZ5/yXXz2t
Threatray 20 similar samples on MalwareBazaar
TLSH T18E9423280FBD2A09FEA68B3577D625290335F6747E421B79B18BE5589F033017E72E90
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/ldms/vfasd16.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
486
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-29 08:24:15 UTC
Tags:
vidar telegram
Link:
https://app.any.run/tasks/8ccdc26d-16a3-48df-b940-5c2fbedd2664

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:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66fac35bc85f12c405da69e4
Tags:
Micro Msil Core
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66f90ea283903120b70b77c6/reports/15e47268-d758-49e3-843a-dfaf07bd0b17/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95
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/95841069-217e-41cd-a310-1bfed941493f
Result
Threat name:
LummaC, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1522113
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
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
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 1522113 Sample: file.exe Startdate: 29/09/2024 Architecture: WINDOWS Score: 100 53 vozmeatillu.shop 2->53 55 t.me 2->55 57 11 other IPs or domains 2->57 69 Suricata IDS alerts for network traffic 2->69 71 Found malware configuration 2->71 73 Antivirus detection for URL or domain 2->73 75 15 other signatures 2->75 9 file.exe 2 2->9         started        signatures3 process4 file5 43 C:\Users\user\AppData\Local\...\file.exe.log, CSV 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 1 173 9->13         started        18 conhost.exe 9->18         started        signatures6 process7 dnsIp8 61 t.me 149.154.167.99, 443, 49738, 49770 TELEGRAMRU United Kingdom 13->61 63 cowod.hopto.org 45.132.206.251, 49769, 80 LIFELINK-ASRU Russian Federation 13->63 65 2 other IPs or domains 13->65 45 C:\Users\user\AppData\Local\...\sql[1].dll, PE32 13->45 dropped 47 C:\Users\user\AppData\...\softokn3[1].dll, PE32 13->47 dropped 49 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->49 dropped 51 14 other files (10 malicious) 13->51 dropped 97 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->97 99 Found many strings related to Crypto-Wallets (likely being stolen) 13->99 101 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->101 103 5 other signatures 13->103 20 IECAFHDBGH.exe 2 13->20         started        23 IECBGIDAEH.exe 2 13->23         started        25 cmd.exe 1 13->25         started        file9 signatures10 process11 signatures12 77 Multi AV Scanner detection for dropped file 20->77 79 Machine Learning detection for dropped file 20->79 81 Writes to foreign memory regions 20->81 83 LummaC encrypted strings found 20->83 27 RegAsm.exe 20->27         started        30 conhost.exe 20->30         started        32 RegAsm.exe 20->32         started        85 Allocates memory in foreign processes 23->85 87 Injects a PE file into a foreign processes 23->87 34 RegAsm.exe 128 23->34         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 timeout.exe 25->41         started        process13 dnsIp14 59 steamcommunity.com 104.102.49.254, 443, 49766 AKAMAI-ASUS United States 27->59 67 Tries to harvest and steal browser information (history, passwords, etc) 34->67 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-09-29 08:24:11 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=ijk4hhpwpivhmkxeernnaqfrx3tc4o2rcvcensv7jd37ahfw7wkq._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
2a5b3f29c9ef00f3c760dbe59726938c4736f0360d0fe3458cbdacfd4e0fc1c1
Vidar
3bd386d0577ef2744c5d447c198a376b55a554b19ddeae45f1e3a985df59ba59
Vidar
4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95
Vidar
6590d9e982bace709e1e0ace4da24191616f5016281c637cb02a153650e668c2
Vidar
9136c32467cd79e8fdb7ea154540093c005c6cf636bc52d7af6caf170a1a828b
Vidar
b39525df56e9d5f26067add74133154b651ca91d4201302ce505444d00ac6693
Vidar
+ 10 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:lumma family:vidar botnet:b0c01908675d7347615657c21fb618e6 botnet:c8450254a9a0920212cb81ae7f386da3 credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240929-kapp3syerd/
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
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/7b167ce3-11f7-4c6d-b873-846409e57329
Unpacked files
SH256 hash:
b3894d4ab23acfbe5aabfcad9758616a9375f1083a68b31b1cb98e69aad093d3
MD5 hash:
af013a0be5373afbe2486611b3e80ed1
SHA1 hash:
1e762b744e7c74dc7bb23c565d940946c049401a
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/af386189-384d-45d2-bc68-0d86e830e7f9/
SH256 hash:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
Link:
https://www.unpac.me/results/af386189-384d-45d2-bc68-0d86e830e7f9/
SH256 hash:
4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95
MD5 hash:
44723eb5e4cd0352241c74aeb4fa93e8
SHA1 hash:
4f120f480442a2525bccd5babee3a69a2128a959
Link:
https://www.unpac.me/results/af386189-384d-45d2-bc68-0d86e830e7f9/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4255c39df67a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
vidar
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95

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: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 4255c39df67a2a762ae4245ad040b1bee62e3b51154446cabf48f7f01cb6fd95

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3200032/

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