MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7d6e79c9645903f60b065e235692000dbe819fb936973149db30de10cf3356a. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7d6e79c9645903f60b065e235692000dbe819fb936973149db30de10cf3356a
SHA3-384 hash: b1a261632dbae88466be0467583a102fc78ee151297c7023214a90808c07159e86d7b41c882363a9017e33a27bd6519f
SHA1 hash: e438014fd4f850e7b30b64b5dd90e359d1d3d37e
MD5 hash: 80a0a1a9bcd5080ade393da387e7cebb
humanhash: iowa-comet-four-illinois
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:411'512 bytes
First seen:2024-09-20 08:35:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:qWHt7Zr0aVuMEy+HvEDDy7j0746dhDuWlIjDAj3bbmbwcVaIw3aysuInON3B88D+:n67V7jjwhD8DArbwwcOaPlnONFUEcF
Threatray 31 similar samples on MalwareBazaar
TLSH T1939423D04BE4FC3CE9F39D7BB0F7EA38A824644D8AA8138B031DE551DF1A3621A50576
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/66ed337476b90_vfdshd.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
404
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-20 08:35:42 UTC
Tags:
vidar stealer
Link:
https://app.any.run/tasks/6059159c-7c09-42a3-84cc-81b111044a1a

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:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ed33f3f129e67ada901600
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
Behavior that indicates a threat
DNS request
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66ed33f3800c7315e1ca9047/reports/3fea5eb8-409f-4390-8b8b-3a9a74ead8e8/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/b7d6e79c9645903f60b065e235692000dbe819fb936973149db30de10cf3356a
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/dc530bc1-b9ff-4c5f-83d1-34c17fae6b93
Result
Threat name:
LummaC, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1514391
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 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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1514391 Sample: file.exe Startdate: 20/09/2024 Architecture: WINDOWS Score: 100 57 steamcommunity.com 2->57 59 quotamkdsdqo.shop 2->59 61 10 other IPs or domains 2->61 77 Suricata IDS alerts for network traffic 2->77 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 13 other signatures 2->83 9 file.exe 2 2->9         started        signatures3 process4 file5 47 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->47 dropped 95 Contains functionality to inject code into remote processes 9->95 97 Writes to foreign memory regions 9->97 99 Allocates memory in foreign processes 9->99 101 Injects a PE file into a foreign processes 9->101 13 RegAsm.exe 1 182 9->13         started        18 conhost.exe 9->18         started        signatures6 process7 dnsIp8 69 cowod.hopto.org 45.132.206.251, 443, 49746, 49747 LIFELINK-ASRU Russian Federation 13->69 71 116.203.165.127, 443, 49714, 49715 HETZNER-ASDE Germany 13->71 73 2 other IPs or domains 13->73 49 C:\Users\user\...\66ed337476b90_vfdshd[1].exe, PE32 13->49 dropped 51 C:\Users\...\66ecb454d2b4a_lgfdsjgds[1].exe, PE32 13->51 dropped 53 C:\ProgramData\softokn3.dll, PE32 13->53 dropped 55 7 other files (5 malicious) 13->55 dropped 103 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->103 105 Found many strings related to Crypto-Wallets (likely being stolen) 13->105 107 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->107 109 5 other signatures 13->109 20 JKEGIDGDGH.exe 2 13->20         started        23 JDGCGHCGHC.exe 2 13->23         started        25 cmd.exe 13->25         started        file9 signatures10 process11 signatures12 85 Multi AV Scanner detection for dropped file 20->85 87 Writes to foreign memory regions 20->87 89 Allocates memory in foreign processes 20->89 91 LummaC encrypted strings found 20->91 27 RegAsm.exe 20->27         started        30 conhost.exe 20->30         started        32 RegAsm.exe 20->32         started        93 Injects a PE file into a foreign processes 23->93 34 RegAsm.exe 108 23->34         started        37 conhost.exe 23->37         started        39 RegAsm.exe 23->39         started        45 4 other processes 23->45 41 conhost.exe 25->41         started        43 timeout.exe 25->43         started        process13 dnsIp14 63 chickerkuso.shop 104.21.88.61, 443, 49741 CLOUDFLARENETUS United States 27->63 65 metallygaricwo.shop 172.67.184.9, 443, 49748 CLOUDFLARENETUS United States 27->65 67 4 other IPs or domains 27->67 75 Tries to harvest and steal browser information (history, passwords, etc) 34->75 signatures15
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b7d6e79c9645903f60b065e235692000dbe819fb936973149db30de10cf3356a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7d6e79c9645903f60b065e235692000dbe819fb936973149db30de10cf3356a/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-09-20 08:36:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w7lophewiwid6yfqmxrdk2jaadn6qgp3snuxgfe5wmg6cdhtgvva._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
2b85d82dd140d794a295b87bb250ebcdfa1aeb1d729f74c37ac0b07083e70daf
Vidar
79f55e512650a285ebf179fa0c39eafac956174dc28518fa4280ce765cdea0dd
Vidar
95e3b81574e6cbbd2efa792b1d4aadf9acfd6514e469b1e15eae7988f050cf2e
Vidar
b7d6e79c9645903f60b065e235692000dbe819fb936973149db30de10cf3356a
Vidar
d737637ee5f121d11a6f3295bf0d51b06218812b5ec04fe9ea484921e905a207
Vidar
f57e57207b27642e6f3e82bc44aa4079f8a1357a8a86341cace885af9cbaf4e6
Vidar
+ 21 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:250b9a73c7975e8d5fe6b982585fb708 credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240920-khkfbsxeke/
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
Link:
https://app.threat.zone/submission/45f714f9-c123-4873-83e5-0da4e9b68dc6
Unpacked files
SH256 hash:
48092b149f3be56e043d4e36d01f831c389f47923101f946eac4a952a21c3738
MD5 hash:
b68b8e2b6f51c56b817490dfd5f73ad1
SHA1 hash:
df78d1bf231d07e98a28a34e1129f1c12ebc5d39
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/7e628f0d-e01d-4760-a6d8-14b439cfb8ac/
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
Link:
https://www.unpac.me/results/7e628f0d-e01d-4760-a6d8-14b439cfb8ac/
SH256 hash:
b7d6e79c9645903f60b065e235692000dbe819fb936973149db30de10cf3356a
MD5 hash:
80a0a1a9bcd5080ade393da387e7cebb
SHA1 hash:
e438014fd4f850e7b30b64b5dd90e359d1d3d37e
Link:
https://www.unpac.me/results/7e628f0d-e01d-4760-a6d8-14b439cfb8ac/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b7d6e79c9645/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/b7d6e79c9645903f60b065e235692000dbe819fb936973149db30de10cf3356a

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
Create hunting rule
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
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 b7d6e79c9645903f60b065e235692000dbe819fb936973149db30de10cf3356a

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3182518/

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