MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a383f198e76031c2defef77e3b68119cce7eca4b64d3afcc477610c3399373aa. 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: a383f198e76031c2defef77e3b68119cce7eca4b64d3afcc477610c3399373aa
SHA3-384 hash: dd1964c679c76bef68a5b27316a56db2d270b39b4dd8884b08f338ad40b48281da79fbe0ea8acff251b8f9ec12d6a541
SHA1 hash: 6e3ed4a740842653f6029e2147652d779baa40aa
MD5 hash: fdd34557ce266b92abb5f2c188bc0b31
humanhash: eleven-lemon-uncle-monkey
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:413'224 bytes
First seen:2024-09-25 00:39:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:mPy6bZeOTlVMMIEY3kVQWk5ogbr/ojdiEO:aDJTHlIEYpWg3/o8t
Threatray 65 similar samples on MalwareBazaar
TLSH T16494235B6A902C33D4FC9DBCFDE2D6A397A2FA9161CBE3C7400AC21295633A43C12D55
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/vcxsvnssgj16.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
474
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-25 00:41:45 UTC
Tags:
vidar stealer loader evasion lumma stealc
Link:
https://app.any.run/tasks/5ff71308-1866-4e78-b588-bc85076a0eb3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.19004.5057.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f35be45346c7b922addad7
Tags:
Encryption Static Exploit Micro Tori
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
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
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:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66f35be32bd613e5e35c0588/reports/a61299e6-072a-4b75-b4be-aed9785daf72/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/a383f198e76031c2defef77e3b68119cce7eca4b64d3afcc477610c3399373aa
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/cf40d5ba-a37a-42b4-8d56-facfdc061af3
Result
Threat name:
LummaC, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1517458
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
Machine Learning detection for dropped file
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)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1517458 Sample: file.exe Startdate: 25/09/2024 Architecture: WINDOWS Score: 100 114 yalubluseks.eu 2->114 116 vozmeatillu.shop 2->116 118 11 other IPs or domains 2->118 148 Multi AV Scanner detection for domain / URL 2->148 150 Suricata IDS alerts for network traffic 2->150 152 Found malware configuration 2->152 154 16 other signatures 2->154 12 file.exe 2 2->12         started        16 MFDBG.exe 2->16         started        18 MFDBG.exe 2->18         started        signatures3 process4 file5 112 C:\Users\user\AppData\Local\...\file.exe.log, CSV 12->112 dropped 172 Contains functionality to inject code into remote processes 12->172 174 Writes to foreign memory regions 12->174 176 Allocates memory in foreign processes 12->176 178 Injects a PE file into a foreign processes 12->178 20 RegAsm.exe 1 161 12->20         started        25 conhost.exe 12->25         started        27 WerFault.exe 16->27         started        29 WerFault.exe 18->29         started        signatures6 process7 dnsIp8 120 cowod.hopto.org 45.132.206.251, 49742, 80 LIFELINK-ASRU Russian Federation 20->120 122 116.203.15.34, 443, 49707, 49708 HETZNER-ASDE Germany 20->122 124 2 other IPs or domains 20->124 94 C:\Users\user\AppData\Local\...\IDSM[1].exe, PE32 20->94 dropped 96 C:\Users\user\AppData\...\sdsdhggf[1].exe, PE32 20->96 dropped 98 C:\Users\user\AppData\...\lfdsangdsa[1].exe, PE32 20->98 dropped 100 9 other files (7 malicious) 20->100 dropped 156 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->156 158 Found many strings related to Crypto-Wallets (likely being stolen) 20->158 160 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 20->160 162 3 other signatures 20->162 31 IIEGHJJDGH.exe 20->31         started        34 HJDAKFBFBF.exe 20->34         started        36 JKJKKKJJJK.exe 1 5 20->36         started        39 cmd.exe 20->39         started        file9 signatures10 process11 file12 180 Multi AV Scanner detection for dropped file 31->180 182 Writes to foreign memory regions 31->182 184 Allocates memory in foreign processes 31->184 41 RegAsm.exe 31->41         started        46 conhost.exe 31->46         started        186 Injects a PE file into a foreign processes 34->186 188 LummaC encrypted strings found 34->188 48 RegAsm.exe 34->48         started        50 conhost.exe 34->50         started        92 C:\Users\user\AppData\Local\...\MFDBG.exe, PE32 36->92 dropped 190 Machine Learning detection for dropped file 36->190 52 MFDBG.exe 15 1004 36->52         started        54 conhost.exe 39->54         started        56 timeout.exe 39->56         started        signatures13 process14 dnsIp15 126 46.8.231.109, 49743, 49752, 49755 FIORD-ASIP-transitoperatorinRussiaUkraineandBaltics Russian Federation 41->126 102 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 41->102 dropped 104 C:\Users\user\AppData\Local\...\vdcsb[1].exe, PE32 41->104 dropped 106 C:\Users\user\AppData\...\softokn3[1].dll, PE32 41->106 dropped 110 8 other files (6 malicious) 41->110 dropped 164 Tries to steal Mail credentials (via file / registry access) 41->164 166 Found many strings related to Crypto-Wallets (likely being stolen) 41->166 168 Tries to harvest and steal ftp login credentials 41->168 170 3 other signatures 41->170 58 cmd.exe 41->58         started        60 cmd.exe 41->60         started        62 cmd.exe 41->62         started        128 gutterydhowi.shop 104.21.4.136, 443, 49741, 49767 CLOUDFLARENETUS United States 48->128 130 drawzhotdog.shop 104.21.58.182, 443, 49747, 49774 CLOUDFLARENETUS United States 48->130 136 3 other IPs or domains 48->136 132 yalubluseks.eu 188.114.96.3, 443, 49732, 49735 CLOUDFLARENETUS European Union 52->132 134 api.ipify.org 104.26.12.205, 49734, 49761, 49791 CLOUDFLARENETUS United States 52->134 108 C:\Users\user\AppData\...\FDWDZ.exe (copy), PE32 52->108 dropped 64 FDWDZ.exe 52->64         started        file16 signatures17 process18 process19 66 userDHCAAEBKEG.exe 58->66         started        69 conhost.exe 58->69         started        71 userGHDBKFHIJK.exe 60->71         started        73 conhost.exe 60->73         started        75 userCAAEBFHJJD.exe 62->75         started        77 conhost.exe 62->77         started        signatures20 138 Multi AV Scanner detection for dropped file 66->138 140 Writes to foreign memory regions 66->140 142 Allocates memory in foreign processes 66->142 79 RegAsm.exe 66->79         started        82 conhost.exe 66->82         started        84 RegAsm.exe 66->84         started        90 2 other processes 66->90 144 Injects a PE file into a foreign processes 71->144 86 conhost.exe 71->86         started        88 RegAsm.exe 71->88         started        146 Machine Learning detection for dropped file 75->146 process21 signatures22 192 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 79->192
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a383f198e76031c2defef77e3b68119cce7eca4b64d3afcc477610c3399373aa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a383f198e76031c2defef77e3b68119cce7eca4b64d3afcc477610c3399373aa/
Threat name:
ByteCode-MSIL.Trojan.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-09-25 00:40:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uob7dghhmay4fxx6657dw2artthh5sslmtj27tchoyimgomtoova._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
0ad3bca28149eb3c5e3da6ffc1d73afb6a9283bc36387c4ad1f41fa9367d7b41
Vidar
78851cd6c72e3abea121c73a9cc1fed0737eb9cb794ffc50d0d5e5aa28a30141
Vidar
92f54f1548f405e3b6df7e03c9d97f75d6455691162de3a54ab625a9942f6672
Vidar
f4cd4350d5e48264696b980cc329ed0c1809b14194894557672cbb4baec3feea
Vidar
fb371a0bf9bd2437bfeb1e15335f35f60f071662c0c6a1d3b9abd1359ad85c93
Vidar
+ 55 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:lumma family:stealc family:vidar botnet:3a15237aa92dcd8ccca447211fb5fc2a botnet:58cd250b15e666e5f72fcf5caa6cb131 botnet:default credential_access discovery persistence spyware stealer
Link:
https://tria.ge/reports/240925-az7xvaxekh/
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
Program crash
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
Link:
https://app.threat.zone/submission/56b5ee2d-2cb8-4633-af9c-e7c24072269e
Unpacked files
SH256 hash:
0c8a4f905c92ab7d0b65dcca69bd1debdb946b54f0977f362e682dd8c37ebfe9
MD5 hash:
8402ee7f8c06cb93dbda551321ba36f6
SHA1 hash:
38897bce546de16d67c17cc79b7d5c9f2bcd1583
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/13e01ea8-107c-4631-8377-529659dc62fb/
Parent samples :
c13ea8341a801122bce40ae4d3d608728bf9c88404f3c315db88bd55c7316669
84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d
fb371a0bf9bd2437bfeb1e15335f35f60f071662c0c6a1d3b9abd1359ad85c93
a383f198e76031c2defef77e3b68119cce7eca4b64d3afcc477610c3399373aa
3b914f143432c17ca607ba232ba0122f78096dc04dd7ce3d297ed0036f3b1545
SH256 hash:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
Link:
https://www.unpac.me/results/13e01ea8-107c-4631-8377-529659dc62fb/
SH256 hash:
a383f198e76031c2defef77e3b68119cce7eca4b64d3afcc477610c3399373aa
MD5 hash:
fdd34557ce266b92abb5f2c188bc0b31
SHA1 hash:
6e3ed4a740842653f6029e2147652d779baa40aa
Link:
https://www.unpac.me/results/13e01ea8-107c-4631-8377-529659dc62fb/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a383f198e760/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a383f198e76031c2defef77e3b68119cce7eca4b64d3afcc477610c3399373aa

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 a383f198e76031c2defef77e3b68119cce7eca4b64d3afcc477610c3399373aa

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3189750/

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