MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7f39760d17bd7c8c08ca2cc7c88e825526b5149c80543dbedacc052fa9ea479. 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 8 File information Comments

SHA256 hash: c7f39760d17bd7c8c08ca2cc7c88e825526b5149c80543dbedacc052fa9ea479
SHA3-384 hash: 9cdd51d7916c8ecfd2cb120471e2945440479e6bc390d2a7fc44ccb8311193c02b4f7a34fc96ed88d884b57d724b572d
SHA1 hash: d4f023de60407bbf80512a76339b14ef01060439
MD5 hash: 9bcf6be0b4b8eff680b0d8539237a496
humanhash: lamp-bulldog-lactose-jig
File name:file
Download: download sample
Signature Vidar
File size:421'280 bytes
First seen:2024-09-20 12:36:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:PVDE42g2K7jOz5rVp+9Mphcr4vP9UXVFwzwbnaTDW+QSOBiQglLEO:JE5g37u5rVLhvUFKz+CDWV5uEO
Threatray 37 similar samples on MalwareBazaar
TLSH T19894236493CE0145F9278AF0B59AB2369F34F5E26A464CC723DACB0195C530669BC3BF
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/66ed5659d6ee7_vcxhsdf12.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
419
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-20 12:39:15 UTC
Tags:
vidar stealer

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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Creating a file in the %temp% directory
Сreating synchronization primitives
Behavior that indicates a threat
DNS request
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a system process
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, 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 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 sample
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1514472 Sample: file.exe Startdate: 20/09/2024 Architecture: WINDOWS Score: 100 46 steamcommunity.com 2->46 48 quotamkdsdqo.shop 2->48 50 10 other IPs or domains 2->50 64 Multi AV Scanner detection for domain / URL 2->64 66 Suricata IDS alerts for network traffic 2->66 68 Found malware configuration 2->68 70 14 other signatures 2->70 9 file.exe 2 2->9         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->36 dropped 80 Contains functionality to inject code into remote processes 9->80 82 Writes to foreign memory regions 9->82 84 Allocates memory in foreign processes 9->84 86 Injects a PE file into a foreign processes 9->86 13 RegAsm.exe 1 130 9->13         started        18 RegAsm.exe 9->18         started        20 conhost.exe 9->20         started        signatures6 process7 dnsIp8 58 cowod.hopto.org 45.132.206.251, 443, 49769, 49771 LIFELINK-ASRU Russian Federation 13->58 60 116.203.165.127, 443, 49740, 49741 HETZNER-ASDE Germany 13->60 62 2 other IPs or domains 13->62 38 C:\Users\...\66ecb454d2b4a_lgfdsjgds[1].exe, PE32 13->38 dropped 40 C:\ProgramData\softokn3.dll, PE32 13->40 dropped 42 C:\ProgramData\nss3.dll, PE32 13->42 dropped 44 5 other files (3 malicious) 13->44 dropped 88 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->88 90 Found many strings related to Crypto-Wallets (likely being stolen) 13->90 92 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->92 96 4 other signatures 13->96 22 IDHIIJJJKE.exe 2 13->22         started        25 cmd.exe 1 13->25         started        94 Searches for specific processes (likely to inject) 18->94 file9 signatures10 process11 signatures12 72 Multi AV Scanner detection for dropped file 22->72 74 Writes to foreign memory regions 22->74 76 Allocates memory in foreign processes 22->76 78 2 other signatures 22->78 27 RegAsm.exe 22->27         started        30 conhost.exe 22->30         started        32 conhost.exe 25->32         started        34 timeout.exe 1 25->34         started        process13 dnsIp14 52 questionmwq.shop 104.21.85.92, 443, 49766 CLOUDFLARENETUS United States 27->52 54 chickerkuso.shop 104.21.88.61, 443, 49768 CLOUDFLARENETUS United States 27->54 56 4 other IPs or domains 27->56
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-09-20 12:37:05 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 botnet:dea7c01007a657ba0c601c941632f140 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://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e48b9cc8c6f5c6a5483343df5a58d1cad0efccbea92ed3b8ce2f35dba2f6b8ac
MD5 hash:
9be5762f3f79732b79463a83990e15ab
SHA1 hash:
27726eb46261a5cd73bee5460b725940b5999bd4
Detections:
VidarStealer
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
SH256 hash:
c7f39760d17bd7c8c08ca2cc7c88e825526b5149c80543dbedacc052fa9ea479
MD5 hash:
9bcf6be0b4b8eff680b0d8539237a496
SHA1 hash:
d4f023de60407bbf80512a76339b14ef01060439
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 c7f39760d17bd7c8c08ca2cc7c88e825526b5149c80543dbedacc052fa9ea479

(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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