MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33da286e78538e3f5eda7b23c70578a1fda8a5b98069bd269b8a6035babe2b23. 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 8 File information Comments

SHA256 hash: 33da286e78538e3f5eda7b23c70578a1fda8a5b98069bd269b8a6035babe2b23
SHA3-384 hash: e353e2fd9e00f6af53f958d20f869b1a67592ab8fd255817e8269646a0be3afd81a6b0bfe57b597672fcf33566c4227f
SHA1 hash: 2a2624a79afaf0fcb01c44f8106c8bf8933106e0
MD5 hash: 449d3f0970fc9cd91a8f4bea664a0cd6
humanhash: double-sink-eight-fix
File name:SecuriteInfo.com.Win32.PWSX-gen.24492.19038
Download: download sample
Signature Vidar
File size:290'344 bytes
First seen:2024-09-15 16:27:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 6144:mJFfT/jYUJeue8lIEZ1gZuTv+S89GOFEGT9GAES9EO:yXpw82e1gG1O+GT9fLEO
TLSH T1B854225652DC9366EABF4DB336924B05EE6C80CD72DB8BCBFC81E2548D80B517A114F2
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 SecuriteInfoCom
Tags:exe vidar

Intelligence


File Origin
# of uploads :
1
# of downloads :
364
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5afff322d4b56afbe4429c6fd83aa2d699c51dbf4f5495b08ac104f07da8c49d
Verdict:
Malicious activity
Analysis date:
2024-09-15 14:37:37 UTC
Tags:
stealer stealc loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
Encryption Static Stealc
Verdict:
Malicious
Threat level:
  10/10
Confidence:
56%
Tags:
overlay packed stealc
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
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: 1511547 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 15/09/2024 Architecture: WINDOWS Score: 100 96 t.me 2->96 98 stitchmiscpaew.shop 2->98 100 11 other IPs or domains 2->100 130 Multi AV Scanner detection for domain / URL 2->130 132 Suricata IDS alerts for network traffic 2->132 134 Found malware configuration 2->134 136 15 other signatures 2->136 12 SecuriteInfo.com.Win32.PWSX-gen.24492.19038.exe 2 2->12         started        signatures3 process4 file5 80 SecuriteInfo.com.W...24492.19038.exe.log, ASCII 12->80 dropped 156 Contains functionality to inject code into remote processes 12->156 158 Writes to foreign memory regions 12->158 160 Allocates memory in foreign processes 12->160 162 Injects a PE file into a foreign processes 12->162 16 RegAsm.exe 1 159 12->16         started        21 conhost.exe 12->21         started        signatures6 process7 dnsIp8 90 t.me 149.154.167.99, 443, 64858, 64895 TELEGRAMRU United Kingdom 16->90 92 159.69.100.83, 443, 64859, 64860 HETZNER-ASDE Germany 16->92 94 brasstech.in 192.185.139.21, 443, 64883, 64886 UNIFIEDLAYER-AS-1US United States 16->94 72 C:\Users\user\AppData\...\vnfdamfs[1].exe, PE32 16->72 dropped 74 C:\Users\user\AppData\Local\...\shbwdh[1].exe, PE32 16->74 dropped 76 C:\ProgramData\softokn3.dll, PE32 16->76 dropped 78 7 other files (5 malicious) 16->78 dropped 122 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->122 124 Found many strings related to Crypto-Wallets (likely being stolen) 16->124 126 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 16->126 128 4 other signatures 16->128 23 KJDGDGDHDG.exe 2 16->23         started        26 GIDBKKKKKF.exe 2 16->26         started        28 cmd.exe 16->28         started        file9 signatures10 process11 signatures12 148 Multi AV Scanner detection for dropped file 23->148 150 Writes to foreign memory regions 23->150 152 Allocates memory in foreign processes 23->152 30 RegAsm.exe 32 23->30         started        35 conhost.exe 23->35         started        154 Injects a PE file into a foreign processes 26->154 37 RegAsm.exe 122 26->37         started        39 conhost.exe 26->39         started        41 RegAsm.exe 26->41         started        43 conhost.exe 28->43         started        45 timeout.exe 28->45         started        process13 dnsIp14 108 46.8.231.109, 64885, 64889, 64890 FIORD-ASIP-transitoperatorinRussiaUkraineandBaltics Russian Federation 30->108 110 147.45.44.104, 64891, 80 FREE-NET-ASFREEnetEU Russian Federation 30->110 82 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 30->82 dropped 84 C:\Users\user\AppData\...\mozglue[1].dll, PE32 30->84 dropped 86 C:\Users\user\AppData\...\freebl3[1].dll, PE32 30->86 dropped 88 7 other files (5 malicious) 30->88 dropped 112 Tries to steal Mail credentials (via file / registry access) 30->112 114 Found many strings related to Crypto-Wallets (likely being stolen) 30->114 116 Tries to harvest and steal ftp login credentials 30->116 118 3 other signatures 30->118 47 cmd.exe 30->47         started        49 cmd.exe 30->49         started        file15 signatures16 process17 process18 51 userFIDGHIIECG.exe 47->51         started        54 conhost.exe 47->54         started        56 userFCFIEHCFIE.exe 49->56         started        58 conhost.exe 49->58         started        signatures19 138 Multi AV Scanner detection for dropped file 51->138 140 Writes to foreign memory regions 51->140 142 Allocates memory in foreign processes 51->142 144 LummaC encrypted strings found 51->144 60 RegAsm.exe 51->60         started        63 conhost.exe 51->63         started        146 Injects a PE file into a foreign processes 56->146 65 RegAsm.exe 56->65         started        68 conhost.exe 56->68         started        70 RegAsm.exe 56->70         started        process20 dnsIp21 102 basedsymsotp.shop 104.21.78.130, 443, 64894 CLOUDFLARENETUS United States 60->102 104 stitchmiscpaew.shop 172.67.136.135, 443, 64900 CLOUDFLARENETUS United States 60->104 106 3 other IPs or domains 60->106 120 Tries to harvest and steal browser information (history, passwords, etc) 65->120 signatures22
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-09-15 15:49:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:lumma family:stealc family:vidar botnet:default credential_access discovery spyware stealer
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
Stealc
Vidar
Malware Config
C2 Extraction:
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
http://46.8.231.109
https://complainnykso.shop/api
https://basedsymsotp.shop/api
https://charistmatwio.shop/api
https://grassemenwji.shop/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
SH256 hash:
33da286e78538e3f5eda7b23c70578a1fda8a5b98069bd269b8a6035babe2b23
MD5 hash:
449d3f0970fc9cd91a8f4bea664a0cd6
SHA1 hash:
2a2624a79afaf0fcb01c44f8106c8bf8933106e0
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:NETexecutableMicrosoft
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 33da286e78538e3f5eda7b23c70578a1fda8a5b98069bd269b8a6035babe2b23

(this sample)

  
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

Comments