MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b524ca67c5743cd8ade55ac049959e059ca981c13488c0ea732ad2877e67cb49. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b524ca67c5743cd8ade55ac049959e059ca981c13488c0ea732ad2877e67cb49
SHA3-384 hash: 00c0b58c0d5e70084a6b9adf83276290bee8ab9772751939f810628922accc5a53d702dd57884122f91f1cf4579f4d24
SHA1 hash: 90a6c9bb4de3c29ae2d563bd51bb599610becbeb
MD5 hash: 8fb6e12053e36e1562129afe81fd671c
humanhash: jersey-muppet-twenty-nebraska
File name:8fb6e12053e36e1562129afe81fd671c.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:1'121'280 bytes
First seen:2025-05-30 08:06:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bb36df4412e03dad091fc4f040871a65 (54 x LummaStealer, 3 x Vidar, 2 x DarkCloud)
ssdeep 24576:1cAWzpRq3emMIO6CzZj98xPXP+mUgxsHKnLAWPZSS6ra9AUYuZ+z/vTyFHh:1UxmtLAWwra9Abz/mFB
TLSH T1FC359E795142B1DAFD6A40F649B161A47823B636C23D2FFF8294E3336E03AC05B6975C
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 :
449
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
8fb6e12053e36e1562129afe81fd671c.exe
Verdict:
Malicious activity
Analysis date:
2025-05-30 08:40:38 UTC
Tags:
telegram vidar stealer
Link:
https://app.any.run/tasks/6fa41631-ac4f-42c0-a290-a78e8a06dc8b

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/6334/
Detection(s):
Win.Packed.Agen-10045321-0
Create hunting rule

Win.Packed.Agen-10045323-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=683968b6668438e362e86840
Tags:
virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint krypt microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/6839670d171e01f9593163b4/reports/8e589a60-9226-4070-b222-976d45a73c45/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/b524ca67c5743cd8ade55ac049959e059ca981c13488c0ea732ad2877e67cb49
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/9d44d2cd-1638-4c22-8333-10b1afc4d7c5
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1702139
Signature
.NET source code contains process injector
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Compiles code for process injection (via .Net compiler)
Creates a thread in another existing process (thread injection)
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Silenttrinity Stager Msbuild Activity
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected Powershell decode and execute
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1702139 Sample: oDbEV2HuAE.exe Startdate: 30/05/2025 Architecture: WINDOWS Score: 100 91 xx.7.4t.com 2->91 93 t.me 2->93 95 8 other IPs or domains 2->95 111 Suricata IDS alerts for network traffic 2->111 113 Malicious sample detected (through community Yara rule) 2->113 115 Multi AV Scanner detection for submitted file 2->115 117 7 other signatures 2->117 10 oDbEV2HuAE.exe 1 2->10         started        13 svchost.exe 2->13         started        signatures3 process4 dnsIp5 125 Writes to foreign memory regions 10->125 127 Allocates memory in foreign processes 10->127 129 Injects a PE file into a foreign processes 10->129 16 MSBuild.exe 33 10->16         started        20 conhost.exe 10->20         started        105 127.0.0.1 unknown unknown 13->105 signatures6 process7 dnsIp8 87 xx.7.4t.com 78.46.235.75, 443, 49691, 49692 HETZNER-ASDE Germany 16->87 89 t.me 149.154.167.99, 443, 49690 TELEGRAMRU United Kingdom 16->89 107 Encrypted powershell cmdline option found 16->107 109 Tries to harvest and steal browser information (history, passwords, etc) 16->109 22 powershell.exe 22 16->22         started        26 chrome.exe 16->26         started        29 powershell.exe 16->29         started        31 27 other processes 16->31 signatures9 process10 dnsIp11 83 C:\Users\user\AppData\...\tcbu0c3y.cmdline, Unicode 22->83 dropped 119 Writes to foreign memory regions 22->119 121 Compiles code for process injection (via .Net compiler) 22->121 123 Creates a thread in another existing process (thread injection) 22->123 33 csc.exe 3 22->33         started        36 conhost.exe 22->36         started        103 192.168.2.8, 138, 443, 49673 unknown unknown 26->103 38 chrome.exe 26->38         started        85 C:\Users\user\AppData\Local\...\rnm5ofan.0.cs, Unicode 29->85 dropped 41 conhost.exe 29->41         started        43 csc.exe 31->43         started        45 csc.exe 31->45         started        47 csc.exe 31->47         started        49 24 other processes 31->49 file12 signatures13 process14 dnsIp15 67 C:\Users\user\AppData\Local\...\tcbu0c3y.dll, PE32 33->67 dropped 51 cvtres.exe 1 33->51         started        97 plus.l.google.com 142.250.113.138, 443, 49715 GOOGLEUS United States 38->97 99 ogads-pa.clients6.google.com 142.250.114.95, 443, 49714, 49716 GOOGLEUS United States 38->99 101 4 other IPs or domains 38->101 69 C:\Users\user\AppData\Local\...\m4q31eci.dll, PE32 43->69 dropped 53 cvtres.exe 43->53         started        71 C:\Users\user\AppData\Local\...\l0zmnwyp.dll, PE32 45->71 dropped 55 cvtres.exe 45->55         started        73 C:\Users\user\AppData\Local\...\ckf4dkll.dll, PE32 47->73 dropped 57 cvtres.exe 47->57         started        75 C:\Users\user\AppData\Local\...\ychohfpo.dll, PE32 49->75 dropped 77 C:\Users\user\AppData\Local\...\twh5qqw5.dll, PE32 49->77 dropped 79 C:\Users\user\AppData\Local\...\mn1khpi3.dll, PE32 49->79 dropped 81 7 other files (none is malicious) 49->81 dropped 59 cvtres.exe 49->59         started        61 cvtres.exe 49->61         started        63 cvtres.exe 49->63         started        65 6 other processes 49->65 file16 process17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b524ca67c5743cd8ade55ac049959e059ca981c13488c0ea732ad2877e67cb49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b524ca67c5743cd8ade55ac049959e059ca981c13488c0ea732ad2877e67cb49/
Threat name:
Win64.Trojan.LummaStealer
Create hunting rule
Status:
Malicious
First seen:
2025-05-28 11:17:18 UTC
File Type:
PE+ (Exe)
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wusmuz6foq6nrlpfllaetfm6awoktaobgsemb2ttfljio7thzneq._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:3254c5403b5a165fe01c1c0984e8194d defense_evasion discovery stealer
Link:
https://tria.ge/reports/250530-jzpwpsen6z/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Obfuscated Files or Information: Command Obfuscation
Detect Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://t.me/eom25t
https://steamcommunity.com/profiles/76561199855598339
Verdict:
Malicious
Tags:
Win.Packed.Agen-10045321-0
YARA:
n/a
Link:
https://app.threat.zone/submission/48e53174-29e7-4a96-a40f-4dc3e39ecb70
Unpacked files
SH256 hash:
b524ca67c5743cd8ade55ac049959e059ca981c13488c0ea732ad2877e67cb49
MD5 hash:
8fb6e12053e36e1562129afe81fd671c
SHA1 hash:
90a6c9bb4de3c29ae2d563bd51bb599610becbeb
Link:
https://www.unpac.me/results/d1178c14-420e-4a14-99a5-f08b474861bf/
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/b524ca67c5743cd8ade55ac049959e059ca981c13488c0ea732ad2877e67cb49

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/6334/

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::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW

Comments