MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f083e21b36dd20620436ee2fa9a7f8f98dd7ca182ed5e1cd19d05455a0b4ab68. 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

SHA256 hash: f083e21b36dd20620436ee2fa9a7f8f98dd7ca182ed5e1cd19d05455a0b4ab68
SHA3-384 hash: 490495be251779130446c440a457a78a6e7cffbc22e151df91d8b04fd22eebbc1459d42764d07d353da940bba34301cb
SHA1 hash: b06e237cde5ffb36b8a388c47b150b20784666fa
MD5 hash: e0a861bd26bf65d25bb61f8ebbe81e50
humanhash: cat-yankee-hotel-carbon
File name:file
Download: download sample
Signature Vidar
File size:413'224 bytes
First seen:2024-09-25 01:13:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:wcKudp8ds++opu1J+TIYwuTUT8SJXdbar3LrEIssLgNLYglq/sD1ShTd1J3DAol+:ZTa9puuTSn8SPujLr31DcGDtm28EO
Threatray 68 similar samples on MalwareBazaar
TLSH T18494230313E3171ACFCFD97A6EA0BD145551E1E33628E31E0B56B1F6BD05A493928B4A
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://147.45.45.69/vfdsh12.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
468
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-25 01:15:16 UTC
Tags:
vidar stealer loader evasion lumma stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
Encryption Static Micro Tori Msil
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
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET 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
Sending a TCP request to an infection source
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:
67%
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
Machine Learning detection for dropped file
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)
Sigma detected: New RUN Key Pointing to Suspicious Folder
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: 1517501 Sample: file.exe Startdate: 25/09/2024 Architecture: WINDOWS Score: 100 117 yalubluseks.eu 2->117 119 vozmeatillu.shop 2->119 121 11 other IPs or domains 2->121 145 Suricata IDS alerts for network traffic 2->145 147 Found malware configuration 2->147 149 Antivirus detection for URL or domain 2->149 151 16 other signatures 2->151 12 file.exe 2 2->12         started        16 MFDBG.exe 2->16         started        18 MFDBG.exe 2->18         started        signatures3 process4 file5 115 C:\Users\user\AppData\Local\...\file.exe.log, CSV 12->115 dropped 183 Contains functionality to inject code into remote processes 12->183 185 Writes to foreign memory regions 12->185 187 Allocates memory in foreign processes 12->187 189 Injects a PE file into a foreign processes 12->189 20 RegAsm.exe 1 112 12->20         started        25 conhost.exe 12->25         started        27 WerFault.exe 16->27         started        29 WerFault.exe 18->29         started        signatures6 process7 dnsIp8 123 cowod.hopto.org 45.132.206.251, 64023, 80 LIFELINK-ASRU Russian Federation 20->123 125 116.203.15.34, 443, 53697, 53698 HETZNER-ASDE Germany 20->125 127 2 other IPs or domains 20->127 97 C:\Users\user\AppData\Local\...\IDSM[1].exe, PE32 20->97 dropped 99 C:\Users\user\AppData\...\sdsdhggf[1].exe, PE32 20->99 dropped 101 C:\Users\user\AppData\...\lfdsangdsa[1].exe, PE32 20->101 dropped 103 9 other files (7 malicious) 20->103 dropped 165 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->165 167 Found many strings related to Crypto-Wallets (likely being stolen) 20->167 169 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 20->169 171 4 other signatures 20->171 31 KECBKKEBKE.exe 20->31         started        34 HDBGHDHCGH.exe 1 5 20->34         started        37 DGDHJEGIEB.exe 20->37         started        39 cmd.exe 20->39         started        file9 signatures10 process11 file12 191 Multi AV Scanner detection for dropped file 31->191 193 Writes to foreign memory regions 31->193 195 Allocates memory in foreign processes 31->195 41 RegAsm.exe 31->41         started        46 conhost.exe 31->46         started        48 RegAsm.exe 31->48         started        95 C:\Users\user\AppData\Local\...\MFDBG.exe, PE32 34->95 dropped 197 Machine Learning detection for dropped file 34->197 50 MFDBG.exe 15 521 34->50         started        199 Injects a PE file into a foreign processes 37->199 201 LummaC encrypted strings found 37->201 52 RegAsm.exe 37->52         started        54 conhost.exe 37->54         started        56 conhost.exe 39->56         started        58 timeout.exe 39->58         started        signatures13 process14 dnsIp15 129 46.8.231.109, 64022, 64033, 64036 FIORD-ASIP-transitoperatorinRussiaUkraineandBaltics Russian Federation 41->129 105 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 41->105 dropped 107 C:\Users\user\AppData\Local\...\vdcsb[1].exe, PE32 41->107 dropped 109 C:\Users\user\AppData\...\softokn3[1].dll, PE32 41->109 dropped 113 8 other files (6 malicious) 41->113 dropped 173 Tries to steal Mail credentials (via file / registry access) 41->173 175 Tries to harvest and steal ftp login credentials 41->175 177 Tries to harvest and steal browser information (history, passwords, etc) 41->177 181 2 other signatures 41->181 60 cmd.exe 41->60         started        62 cmd.exe 41->62         started        64 cmd.exe 41->64         started        131 yalubluseks.eu 188.114.96.3, 443, 64013, 64015 CLOUDFLARENETUS European Union 50->131 133 api.ipify.org 104.26.12.205, 64014, 80 CLOUDFLARENETUS United States 50->133 111 C:\Users\user\AppData\Local\...\FDWDZ.exe, PE32 50->111 dropped 179 Multi AV Scanner detection for dropped file 50->179 66 FDWDZ.exe 50->66         started        135 gutterydhowi.shop 104.21.4.136, 443, 64021, 64047 CLOUDFLARENETUS United States 52->135 137 performenj.shop 104.21.51.224, 443, 64037, 64061 CLOUDFLARENETUS United States 52->137 139 3 other IPs or domains 52->139 file16 signatures17 process18 signatures19 69 userBGDBAKFCFH.exe 60->69         started        72 conhost.exe 60->72         started        74 userCFHDBFIEGI.exe 62->74         started        76 conhost.exe 62->76         started        78 userGHIJJJEGDB.exe 64->78         started        81 conhost.exe 64->81         started        143 Multi AV Scanner detection for dropped file 66->143 process20 dnsIp21 153 Multi AV Scanner detection for dropped file 69->153 155 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 69->155 157 Writes to foreign memory regions 69->157 83 conhost.exe 69->83         started        85 RegAsm.exe 69->85         started        159 Allocates memory in foreign processes 74->159 161 Injects a PE file into a foreign processes 74->161 87 conhost.exe 74->87         started        89 RegAsm.exe 74->89         started        91 RegAsm.exe 74->91         started        93 RegAsm.exe 74->93         started        141 104.26.13.205, 64042, 64071, 64073 CLOUDFLARENETUS United States 78->141 163 Machine Learning detection for dropped file 78->163 signatures22 process23
Threat name:
Win32.Trojan.Stealc
Status:
Malicious
First seen:
2024-09-25 00:33:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:lumma family:stealc family:vidar botnet:3a15237aa92dcd8ccca447211fb5fc2a botnet:9bf5e431869643a2ac397d2dc0d687fb botnet:default credential_access discovery persistence spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Drops startup file
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
Stealc
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
http://46.8.231.109
https://stogeneratmns.shop/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
SH256 hash:
f083e21b36dd20620436ee2fa9a7f8f98dd7ca182ed5e1cd19d05455a0b4ab68
MD5 hash:
e0a861bd26bf65d25bb61f8ebbe81e50
SHA1 hash:
b06e237cde5ffb36b8a388c47b150b20784666fa
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: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 f083e21b36dd20620436ee2fa9a7f8f98dd7ca182ed5e1cd19d05455a0b4ab68

(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

Comments