MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7b371eda0aae2bfd49e552d0abf4c70304569b585f11f09908f7abb12834969. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7b371eda0aae2bfd49e552d0abf4c70304569b585f11f09908f7abb12834969
SHA3-384 hash: bc937b5f6c244a73a3e419026b34547d4fb240eac95c475a6e593a135b76b1938af931490da2e82c6f819fde509f9422
SHA1 hash: 482fe777804a6b447e71a842101673fd074f84c9
MD5 hash: 2903d41ad464d10bc7e58c066a07287c
humanhash: three-robin-snake-kansas
File name:TbV75ZR.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:884'736 bytes
First seen:2025-04-06 05:44:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3a5649d16d788396ce56dd8cdabd426f (5 x LummaStealer, 1 x Vidar)
ssdeep 12288:dt4H/IiZEu96gtZHe3ZStnAO/K/BWE92IsJpfe1p0Qh+Keey3Unu:n4HgiyW6cRe30ZD/K/GCp3hwx
Threatray 3 similar samples on MalwareBazaar
TLSH T11715BF14AD7990DAFCD340B17759A2217433BD378F385EEF40E48369194ADED0A3A36A
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe vidar

Intelligence

File Origin
# of uploads :
1
# of downloads :
287
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
2025-04-05_2903d41ad464d10bc7e58c066a07287c_black-basta_cobalt-strike_ryuk_satacom
Verdict:
Malicious activity
Analysis date:
2025-04-05 14:50:16 UTC
Tags:
telegram vidar stealer
Link:
https://app.any.run/tasks/e77b71f9-bab0-476a-a6a3-cd5efda84c1c

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/876/
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f14327cfd0a37f830ee790
Tags:
kryptik virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/67f21856b070fb3f945f5734/reports/86b997ef-b4f6-46f9-8996-90f56a73fc8c/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/a7b371eda0aae2bfd49e552d0abf4c70304569b585f11f09908f7abb12834969
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/0feac32a-5c6d-430b-9121-7fb66169e34c
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1657647
Signature
Allocates memory in foreign processes
Attempt to bypass Chrome Application-Bound Encryption
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
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Sigma detected: Silenttrinity Stager Msbuild Activity
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 Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1657647 Sample: TbV75ZR.exe Startdate: 06/04/2025 Architecture: WINDOWS Score: 100 58 ww.ap.4t.com 2->58 60 t.me 2->60 62 9 other IPs or domains 2->62 86 Suricata IDS alerts for network traffic 2->86 88 Found malware configuration 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 5 other signatures 2->92 9 TbV75ZR.exe 2->9         started        12 msedge.exe 2->12         started        15 msedge.exe 8 2->15         started        17 msedge.exe 2->17         started        signatures3 process4 dnsIp5 104 Contains functionality to inject code into remote processes 9->104 106 Writes to foreign memory regions 9->106 108 Allocates memory in foreign processes 9->108 110 Injects a PE file into a foreign processes 9->110 19 MSBuild.exe 29 9->19         started        84 239.255.255.250 unknown Reserved 12->84 23 msedge.exe 12->23         started        25 msedge.exe 12->25         started        27 msedge.exe 12->27         started        29 msedge.exe 12->29         started        31 msedge.exe 15->31         started        33 msedge.exe 17->33         started        signatures6 process7 dnsIp8 64 t.me 149.154.167.99, 443, 49692 TELEGRAMRU United Kingdom 19->64 66 ww.ap.4t.com 5.75.212.200, 443, 49693, 49694 HETZNER-ASDE Germany 19->66 68 127.0.0.1 unknown unknown 19->68 96 Attempt to bypass Chrome Application-Bound Encryption 19->96 98 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->98 100 Found many strings related to Crypto-Wallets (likely being stolen) 19->100 102 5 other signatures 19->102 35 msedge.exe 2 9 19->35         started        38 msedge.exe 9 19->38         started        40 msedge.exe 19->40         started        42 2 other processes 19->42 70 131.253.33.219, 443, 49865, 49866 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->70 72 ax-0003.ax-msedge.net 150.171.28.12, 443, 49814 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->72 74 31 other IPs or domains 23->74 signatures9 process10 dnsIp11 94 Monitors registry run keys for changes 35->94 45 msedge.exe 35->45         started        47 msedge.exe 38->47         started        49 msedge.exe 40->49         started        82 192.168.2.8, 138, 443, 49256 unknown unknown 42->82 51 chrome.exe 42->51         started        54 conhost.exe 42->54         started        56 timeout.exe 42->56         started        signatures12 process13 dnsIp14 76 play.google.com 142.250.65.174, 443, 49729 GOOGLEUS United States 51->76 78 plus.l.google.com 142.250.65.238, 443, 49726 GOOGLEUS United States 51->78 80 3 other IPs or domains 51->80
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a7b371eda0aae2bfd49e552d0abf4c70304569b585f11f09908f7abb12834969
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a7b371eda0aae2bfd49e552d0abf4c70304569b585f11f09908f7abb12834969/
Threat name:
Win64.Trojan.LummaC
Create hunting rule
Status:
Malicious
First seen:
2025-04-05 14:50:18 UTC
File Type:
PE+ (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u6zxd3navlrl7ve6kuwqvp2moayek2nvqxyr6cmqr55lweudjfuq._file
Verdict:
malicious
Label(s):
vidar
Create hunting rule
Similar samples:
36751f6b35db9c957a6b12c24cb4abd550eda5a001bec06e08fb4f48f234f82f
Vidar
a7b371eda0aae2bfd49e552d0abf4c70304569b585f11f09908f7abb12834969
Vidar
error
Vidar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:cbafc141625a1efcc3422f6b633e6b3a credential_access discovery stealer
Link:
https://tria.ge/reports/250406-gp3cyavqy7/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Uses browser remote debugging
Detect Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://t.me/lw25chm
https://steamcommunity.com/profiles/76561199839170361
Verdict:
Suspicious
Tags:
stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/dfcd41d7-cd72-4e89-819d-e07b6c2fc8e8
Unpacked files
SH256 hash:
a7b371eda0aae2bfd49e552d0abf4c70304569b585f11f09908f7abb12834969
MD5 hash:
2903d41ad464d10bc7e58c066a07287c
SHA1 hash:
482fe777804a6b447e71a842101673fd074f84c9
Link:
https://www.unpac.me/results/78a2559c-072a-495f-8674-243a6f77375c/
Malware family:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a7b371eda0aa/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/a7b371eda0aae2bfd49e552d0abf4c70304569b585f11f09908f7abb12834969

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

Vidar

Executable exe a7b371eda0aae2bfd49e552d0abf4c70304569b585f11f09908f7abb12834969

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3496076/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/876/

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThreadpoolWork
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleWindow
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW

Comments