MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ddaa982f06dc35e0759d9077505beb31537f86de88232b91de45130496a61ffe. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments

SHA256 hash: ddaa982f06dc35e0759d9077505beb31537f86de88232b91de45130496a61ffe
SHA3-384 hash: 5aa599a4250f1e01068e993b285dd1ea4392f63b37d899b7f399388caa8917253da68212234acc6c77a15743433a0324
SHA1 hash: c9f88214e36dd2feddddb64ef7a3fc82025d6cfd
MD5 hash: 53ec7e5668474c14f4288fe3f21de5d6
humanhash: south-thirteen-ink-high
File name:file
Download: download sample
Signature Vidar
File size:290'344 bytes
First seen:2024-09-13 06:03:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:y9E/XevjQ9Uodb2ZSJ6HEKudlAFQ1bu8kBRFHg4145HEO:y9E/XevjQ6odbMU6HOo2kBRNfEEO
Threatray 23 similar samples on MalwareBazaar
TLSH T1905423394425CF6CFC68093194668217E7F4F556A4A78ADCC36288B8E10CF14BBAB7F1
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://brasmundi.com.br/vdsn15.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
398
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
Banker Encryption Generic Network Static Stealth
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
Running batch commands
Creating a process with a hidden window
Forced shutdown of a system process
Connection attempt to an infection source
Query of malicious DNS domain
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
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.
Result
Threat name:
LummaC, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Malicious sample detected (through community Yara rule)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1510626 Sample: file.exe Startdate: 13/09/2024 Architecture: WINDOWS Score: 100 108 t.me 2->108 110 gacan.zapto.org 2->110 112 brasmundi.com.br 2->112 122 Multi AV Scanner detection for domain / URL 2->122 124 Suricata IDS alerts for network traffic 2->124 126 Found malware configuration 2->126 128 16 other signatures 2->128 14 file.exe 2 2->14         started        signatures3 process4 file5 106 C:\Users\user\AppData\Local\...\file.exe.log, CSV 14->106 dropped 168 Contains functionality to inject code into remote processes 14->168 170 Writes to foreign memory regions 14->170 172 Allocates memory in foreign processes 14->172 174 Injects a PE file into a foreign processes 14->174 18 RegAsm.exe 1 137 14->18         started        23 conhost.exe 14->23         started        signatures6 process7 dnsIp8 114 t.me 149.154.167.99, 443, 49739, 49750 TELEGRAMRU United Kingdom 18->114 116 147.45.45.69, 49740, 49751, 49753 FREE-NET-ASFREEnetEU Russian Federation 18->116 118 brasmundi.com.br 209.145.56.187, 443, 49741, 49742 CDMUS United States 18->118 86 C:\Users\user\AppData\Local\Temp\delays.tmp, COM 18->86 dropped 88 C:\Users\user\AppData\Local\...\sql[1].dll, PE32 18->88 dropped 90 C:\Users\user\AppData\...\softokn3[1].dll, PE32 18->90 dropped 92 17 other files (13 malicious) 18->92 dropped 130 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->130 132 Found many strings related to Crypto-Wallets (likely being stolen) 18->132 134 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 18->134 136 4 other signatures 18->136 25 FIJECAEHJJ.exe 2 18->25         started        28 KEGCFCAKFH.exe 2 18->28         started        30 IJDGCAEBFI.exe 18->30         started        32 cmd.exe 18->32         started        file9 signatures10 process11 signatures12 148 Multi AV Scanner detection for dropped file 25->148 150 Writes to foreign memory regions 25->150 152 Allocates memory in foreign processes 25->152 34 RegAsm.exe 32 25->34         started        39 conhost.exe 25->39         started        41 RegAsm.exe 25->41         started        154 Injects a PE file into a foreign processes 28->154 156 LummaC encrypted strings found 28->156 43 RegAsm.exe 1 28->43         started        45 conhost.exe 28->45         started        158 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 30->158 47 conhost.exe 30->47         started        49 RegAsm.exe 30->49         started        51 conhost.exe 32->51         started        53 timeout.exe 32->53         started        process13 dnsIp14 120 46.8.231.109, 49743, 49745, 49746 FIORD-ASIP-transitoperatorinRussiaUkraineandBaltics Russian Federation 34->120 94 C:\Users\user\AppData\...\mozglue[1].dll, PE32 34->94 dropped 96 C:\Users\user\AppData\...\freebl3[1].dll, PE32 34->96 dropped 98 C:\Users\user\AppData\Local\...\vfdnwe[1].exe, PE32 34->98 dropped 102 7 other files (5 malicious) 34->102 dropped 138 Tries to steal Mail credentials (via file / registry access) 34->138 140 Tries to harvest and steal ftp login credentials 34->140 142 Tries to harvest and steal browser information (history, passwords, etc) 34->142 144 2 other signatures 34->144 55 cmd.exe 34->55         started        57 cmd.exe 34->57         started        100 C:\Program Filesbehaviorgraphoogle\...08GKTN294YM.exe, PE32 43->100 dropped 59 E08GKTN294YM.exe 2 43->59         started        file15 signatures16 process17 process18 61 userKKJKEBKFCA.exe 55->61         started        64 conhost.exe 55->64         started        66 userAKKFHDAKEC.exe 57->66         started        68 conhost.exe 57->68         started        70 conhost.exe 59->70         started        signatures19 160 Multi AV Scanner detection for dropped file 61->160 162 Writes to foreign memory regions 61->162 164 Allocates memory in foreign processes 61->164 72 RegAsm.exe 61->72         started        75 conhost.exe 61->75         started        166 Injects a PE file into a foreign processes 66->166 77 RegAsm.exe 66->77         started        80 conhost.exe 66->80         started        process20 file21 146 Tries to harvest and steal browser information (history, passwords, etc) 72->146 104 C:\Program Files\...\61IQKM497JMITWF54.exe, PE32 77->104 dropped 82 61IQKM497JMITWF54.exe 77->82         started        signatures22 process23 process24 84 conhost.exe 82->84         started       
Threat name:
ByteCode-MSIL.Trojan.LummaC
Status:
Malicious
First seen:
2024-09-13 06:04:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar credential_access discovery spyware stealer
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/afsgsdgqr4r
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3c4f1a74ade10afcdf020a0e7a1a2c2e6af48466c23e606597faf9a137d95141
MD5 hash:
4fc63c1410a9fde06f23e05c28365171
SHA1 hash:
2fd9b21c454642e69910c1ea8317106b199c3c7e
Detections:
VidarStealer
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
SH256 hash:
ddaa982f06dc35e0759d9077505beb31537f86de88232b91de45130496a61ffe
MD5 hash:
53ec7e5668474c14f4288fe3f21de5d6
SHA1 hash:
c9f88214e36dd2feddddb64ef7a3fc82025d6cfd
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
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
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
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 ddaa982f06dc35e0759d9077505beb31537f86de88232b91de45130496a61ffe

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download

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

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