MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99c4cc979a7c6e40e7647ff1ee0d8671327b0f0c6711af53a93866055c89d210. 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: 19


Intelligence 19 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99c4cc979a7c6e40e7647ff1ee0d8671327b0f0c6711af53a93866055c89d210
SHA3-384 hash: 758b449ff9b976a7f7bc4d3b9d31a5b223ceae3fa39d3cb41af573287c608af13d514bfc16881b49b4a2c164aee4ef38
SHA1 hash: d24234d3315d107d961240856b9b947f7d1c0085
MD5 hash: eef25382ccfa4a108cad7e43bc4b43ea
humanhash: solar-bluebird-saturn-uncle
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:196'136 bytes
First seen:2024-08-26 18:49:21 UTC
Last seen:2024-08-26 19:28:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:xRlhCS/tcdaV4qsrI8GTlAntbcdpmdCzjmRflOu1TznD70SXbPamaFE3SKYzEO:x8Sida+HrIqb0pmdIO/NESLPam2EO
Threatray 47 similar samples on MalwareBazaar
TLSH T10714129313E99734F86A4D32BCA0CB25F670F627B0A769B7919AC2912F973141DC8335
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/prog/66cccdb20c31e_vewf.exe#space

Intelligence

File Origin
# of uploads :
2
# of downloads :
377
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-26 18:51:08 UTC
Tags:
vidar
Link:
https://app.any.run/tasks/df6ad44b-5c64-48d5-9dd2-dc43154973e1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Pwsx-10035189-0
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ccce5ce7ff3f5a063c0802
Tags:
Encryption Static
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
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Sending an HTTP POST request
Running batch commands
Creating a process with a hidden window
Connection attempt to an infection source
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
Link:
https://www.filescan.io/uploads/66ccce5cb854095a010aa364/reports/6c79790e-4931-41dc-83da-88e25a5a6380/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/99c4cc979a7c6e40e7647ff1ee0d8671327b0f0c6711af53a93866055c89d210
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.
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1c6723b3-b349-4284-aeb5-e6ad0d127ceb
Result
Threat name:
LummaC, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1499300
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
Malicious sample detected (through community Yara rule)
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 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 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: 1499300 Sample: file.exe Startdate: 26/08/2024 Architecture: WINDOWS Score: 100 60 t.me 2->60 62 stamppreewntnq.shop 2->62 64 stadiatechnologies.com 2->64 84 Suricata IDS alerts for network traffic 2->84 86 Found malware configuration 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 11 other signatures 2->90 10 file.exe 2 2->10         started        signatures3 process4 file5 50 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 10->50 dropped 102 Contains functionality to inject code into remote processes 10->102 104 Writes to foreign memory regions 10->104 106 Allocates memory in foreign processes 10->106 108 Injects a PE file into a foreign processes 10->108 14 RegAsm.exe 1 259 10->14         started        19 conhost.exe 10->19         started        signatures6 process7 dnsIp8 68 stadiatechnologies.com 95.164.119.162, 443, 49721, 49722 VAKPoltavaUkraineUA Gibraltar 14->68 70 t.me 149.154.167.99, 443, 49715, 49735 TELEGRAMRU United Kingdom 14->70 72 2 other IPs or domains 14->72 52 C:\Users\user\...\66cccdb4c3ed6_lamerw[1].exe, PE32 14->52 dropped 54 C:\Users\user\...\66cccdb20c31e_vewf[1].exe, PE32 14->54 dropped 56 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 14->56 dropped 58 13 other files (9 malicious) 14->58 dropped 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->74 76 Found many strings related to Crypto-Wallets (likely being stolen) 14->76 78 Tries to harvest and steal ftp login credentials 14->78 80 4 other signatures 14->80 21 IIEHJEHDBG.exe 2 14->21         started        24 IIEHJEHDBG.exe 1 14->24         started        26 cmd.exe 14->26         started        file9 signatures10 process11 signatures12 92 Multi AV Scanner detection for dropped file 21->92 94 Writes to foreign memory regions 21->94 96 Allocates memory in foreign processes 21->96 98 LummaC encrypted strings found 21->98 28 RegAsm.exe 21->28         started        31 conhost.exe 21->31         started        100 Injects a PE file into a foreign processes 24->100 33 RegAsm.exe 128 24->33         started        36 conhost.exe 24->36         started        38 RegAsm.exe 24->38         started        40 RegAsm.exe 24->40         started        42 conhost.exe 26->42         started        44 timeout.exe 26->44         started        process13 dnsIp14 66 stamppreewntnq.shop 188.114.97.3, 443, 49719, 49720 CLOUDFLARENETUS European Union 28->66 46 WerFault.exe 28->46         started        48 WerFault.exe 28->48         started        82 Tries to harvest and steal browser information (history, passwords, etc) 33->82 signatures15 process16
Score:
37%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/99c4cc979a7c6e40e7647ff1ee0d8671327b0f0c6711af53a93866055c89d210
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99c4cc979a7c6e40e7647ff1ee0d8671327b0f0c6711af53a93866055c89d210/
Threat name:
ByteCode-MSIL.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-08-26 18:50:05 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=thcmzf42prxebz3ep7y64dmgoezhwdymm4i26u5jhbtakxej2iia._file
Verdict:
malicious
Similar samples:
149d5c2949338abb59f4ff360ea39229796c73f8e3a9c483442295a8e0f9fcc7
Vidar
3891b4ca289d3c1ed1e73d2af779191c414552b79302a3546b45a43e2afe0423
Vidar
53010556b1cfd31aa6873586e05d72fc9411e3522577933cc1cb72cbb4af7319
Vidar
8e74f5644140e614077e5317d5ffb5ca0f828ed4870e1d6c1faf442c851e1909
Vidar
99c4cc979a7c6e40e7647ff1ee0d8671327b0f0c6711af53a93866055c89d210
Vidar
cbdc15d09edac6f150946b8517fd4b728f0fbb68eb0191164c409343210e92d9
Vidar
e8caa0b1cd00dce9a0d1edf3ac7c5171ea0edec4253a6c324ba00803eaebdc50
Vidar
+ 37 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:5e71ec1eb40990385a580935a765b941 credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240826-xgxeqazbng/
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/jamelwt
https://steamcommunity.com/profiles/76561199761128941
https://t.me/iyigunl
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/528969a7-edec-49c1-82a3-5592379e3b0d
Unpacked files
SH256 hash:
6d353c43b74bcb2f9cf34dde6aea0e5dc22595947defd965f08cb57bcb9b2504
MD5 hash:
8115ff98c8308a22446d264919b2ccaa
SHA1 hash:
bf4e629926f2d6cacb1558488f5f16e5c08c8346
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/a76413f4-e331-4c4b-9c1d-0a930ccd26b5/
Parent samples :
a1c29b281f03728b9c36b5e3425a3e4eefdbd1c237f5aa3f64983188b50a1495
06c836b14e8a5c4fa9f0f4c00e69292024b33b3337e24d650346393cce407813
99c4cc979a7c6e40e7647ff1ee0d8671327b0f0c6711af53a93866055c89d210
b989a777efa314e11e12f01e6b8f1a7f193889241929090bc66f3d644f33dbc7
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
Link:
https://www.unpac.me/results/a76413f4-e331-4c4b-9c1d-0a930ccd26b5/
SH256 hash:
99c4cc979a7c6e40e7647ff1ee0d8671327b0f0c6711af53a93866055c89d210
MD5 hash:
eef25382ccfa4a108cad7e43bc4b43ea
SHA1 hash:
d24234d3315d107d961240856b9b947f7d1c0085
Link:
https://www.unpac.me/results/a76413f4-e331-4c4b-9c1d-0a930ccd26b5/
Malware family:
Lumma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/99c4cc979a7c/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/99c4cc979a7c6e40e7647ff1ee0d8671327b0f0c6711af53a93866055c89d210

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 99c4cc979a7c6e40e7647ff1ee0d8671327b0f0c6711af53a93866055c89d210

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3129745/

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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