MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6498969ff80baa4a54275c7609fb60e1a6328fde0cbf973837b75efe3d28f55. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a6498969ff80baa4a54275c7609fb60e1a6328fde0cbf973837b75efe3d28f55
SHA3-384 hash: 637bb8d7a3aaef455cbfc0bf050225cf306e47a7325b74ed8fde32bd638ed5960681e26241a919c71f3560baea432286
SHA1 hash: 921614869bd45706a8e9cf038e91feb3d56dbb0c
MD5 hash: 33c28c7f4b349deea8f5a80b9599ede9
humanhash: jupiter-batman-august-michigan
File name:33c28c7f4b349deea8f5a80b9599ede9.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:6'496'368 bytes
First seen:2023-02-06 09:36:57 UTC
Last seen:2023-02-06 11:45:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9cbefe68f395e67356e2a5d8d1b285c0 (58 x LummaStealer, 49 x AuroraStealer, 35 x Vidar)
ssdeep 98304:FooLfKjS+YA9e1hzQRvcLpQaR9IIAkrv+tIL7VQrUGG+Rm:moDL+YCrcLpNvhvcI7OrUGGN
TLSH T190660151F8D794B2EA0255310867A2EF6331AD095F36CAC7DA44BF6EEC779E00E32215
gimphash 95f49a63cb0d387ad66575e63e6bb4d9febdd46acfebee150a78696f8bb05301
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter abuse_ch
Tags:exe signed vidar

Code Signing Certificate

Organisation:Hangil IT Co., Ltd
Issuer:Sectigo Public Code Signing CA R36
Algorithm:sha384WithRSAEncryption
Valid from:2021-11-10T00:00:00Z
Valid to:2024-11-09T23:59:59Z
Serial number: 0139dde119bb320dfb9f5defe3f71245
Intelligence: 17 malware samples on MalwareBazaar are signed with this code signing certificate
MalwareBazaar Blocklist:This certificate is on the MalwareBazaar code signing certificate blocklist (CSCB)
Cert Central Blocklist:This certificate is on the Cert Central blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 23d13a8e48a6eff191a5d6a0635b99467c2e7242ae520479cae130fbd41cc645
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
33c28c7f4b349deea8f5a80b9599ede9.exe
Verdict:
No threats detected
Analysis date:
2023-02-06 09:46:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c7512a53-884f-47eb-926f-5adf1d217005

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/360745/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65354538.30973.13933.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a window
Сreating synchronization primitives
Creating a file
Reading critical registry keys
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
80%
Tags:
golang greyware overlay packed
Link:
https://www.filescan.io/uploads/63e0ca42696b2d9725755ab6/reports/338d3317-e2b5-46d0-9d4d-079dcdf4d046/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a6498969ff80baa4a54275c7609fb60e1a6328fde0cbf973837b75efe3d28f55
Result
Verdict:
UNKNOWN
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:
Gost
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/6fa20c96-7cee-4533-882a-34085735340a
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1166439
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to compare user and computer (likely to detect sandboxes)
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
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 Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 799211 Sample: rwz3LTeaav.exe Startdate: 06/02/2023 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for URL or domain 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 4 other signatures 2->38 8 rwz3LTeaav.exe 2->8         started        process3 dnsIp4 26 iplogger.com 148.251.234.93, 443, 49688 HETZNER-ASDE Germany 8->26 40 May check the online IP address of the machine 8->40 42 Writes to foreign memory regions 8->42 44 Allocates memory in foreign processes 8->44 46 Injects a PE file into a foreign processes 8->46 12 MSBuild.exe 19 8->12         started        16 MSBuild.exe 2 8->16         started        18 notepad.exe 8->18         started        signatures5 process6 dnsIp7 28 t.me 149.154.167.99, 443, 49689 TELEGRAMRU United Kingdom 12->28 30 65.109.7.48, 49690, 80 ALABANZA-BALTUS United States 12->30 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Tries to steal Mail credentials (via file / registry access) 12->50 52 Tries to harvest and steal browser information (history, passwords, etc) 12->52 54 Tries to steal Crypto Currency Wallets 12->54 20 cmd.exe 1 12->20         started        56 Contains functionality to compare user and computer (likely to detect sandboxes) 16->56 signatures8 process9 process10 22 conhost.exe 20->22         started        24 timeout.exe 1 20->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a6498969ff80baa4a54275c7609fb60e1a6328fde0cbf973837b75efe3d28f55/
Threat name:
Win32.Spyware.Vidar
Create hunting rule
Status:
Suspicious
First seen:
2023-02-05 13:29:15 UTC
File Type:
PE (Exe)
AV detection:
20 of 39 (51.28%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzeys2p7qc5kjjkcoxdwbh5wbynggkh54df7s44dpn267y6sr5kq._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar stealer
Link:
https://tria.ge/reports/230206-llvk5sdc28/
Behaviour
Suspicious use of WriteProcessMemory
Vidar
Unpacked files
SH256 hash:
a6498969ff80baa4a54275c7609fb60e1a6328fde0cbf973837b75efe3d28f55
MD5 hash:
33c28c7f4b349deea8f5a80b9599ede9
SHA1 hash:
921614869bd45706a8e9cf038e91feb3d56dbb0c
Link:
https://www.unpac.me/results/bbb6cf5e-c74e-4c42-8d9e-a14575045c94/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a6498969ff80baa4a54275c7609fb60e1a6328fde0cbf973837b75efe3d28f55

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Vidar

Executable exe a6498969ff80baa4a54275c7609fb60e1a6328fde0cbf973837b75efe3d28f55

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2529851/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/360745/

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