MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37fe77ebb9e0a268328482308d6779b0f5f08e4553833c9ac2da10492a55e8b3. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37fe77ebb9e0a268328482308d6779b0f5f08e4553833c9ac2da10492a55e8b3
SHA3-384 hash: 0aca61987e9d49b7b2b842b75e33771e933b831d47dfcea3fc76d629f99d1607bf44c66c2c24256a26d7f1228b4a6d3a
SHA1 hash: e8d7ad2964419f9324e37016e5d6e2763184ad62
MD5 hash: b12e6c33aaa13c1e79772ef9817c69f7
humanhash: single-coffee-red-ink
File name:crypted.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:1'267'200 bytes
First seen:2025-03-30 20:20:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ca66edb737d290e59ca088833fe26a21 (2 x Vidar, 1 x LummaStealer)
ssdeep 12288:VGQn7ZDgpAW8VTOzIUfVX5CF/ED2Na1n+gaG7rOqKa5OxaOlt1HZEzoYBcOxzKO5:Z23rzD2NaVDgdfE8Ac7BFUNppZwrlUR
TLSH T103454CBE71A73545FE668C30AFF8B660CB53387ACD2AD6F146D1A0302A351D2EC46917
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 Anonymous
Tags:exe stealer vidar

Intelligence

File Origin
# of uploads :
1
# of downloads :
796
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
crypted.exe
Verdict:
Malicious activity
Analysis date:
2025-03-27 04:57:06 UTC
Tags:
telegram stealer vidar
Link:
https://app.any.run/tasks/0d7e774d-157f-4fca-9675-a3dffb14c69f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e9a9efcfd0a37f830a64bf
Tags:
stealer 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
Searching for the window
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypt fingerprint lolbin microsoft_visual_cc msbuild packed packed packer_detected
Link:
https://www.filescan.io/uploads/67e9a7c36a150b67eec8cfc2/reports/43eadce2-da16-488a-b86d-d3ff364b78aa/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/37fe77ebb9e0a268328482308d6779b0f5f08e4553833c9ac2da10492a55e8b3
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/d7ebdc61-8af3-42de-834a-c6d2bd89ac36
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1652357
Signature
Allocates memory in foreign processes
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
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: 1652357 Sample: crypted.exe Startdate: 30/03/2025 Architecture: WINDOWS Score: 100 48 xt.ap.4t.com 2->48 50 t.me 2->50 52 5 other IPs or domains 2->52 84 Suricata IDS alerts for network traffic 2->84 86 Found malware configuration 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 5 other signatures 2->90 9 crypted.exe 1 2->9         started        12 msedge.exe 624 2->12         started        signatures3 process4 dnsIp5 92 Writes to foreign memory regions 9->92 94 Allocates memory in foreign processes 9->94 96 Injects a PE file into a foreign processes 9->96 15 MSBuild.exe 53 9->15         started        19 MSBuild.exe 9->19         started        21 conhost.exe 9->21         started        58 239.255.255.250 unknown Reserved 12->58 23 msedge.exe 12->23         started        25 msedge.exe 12->25         started        27 msedge.exe 12->27         started        29 msedge.exe 12->29         started        signatures6 process7 dnsIp8 60 xt.ap.4t.com 88.99.125.82, 443, 49682, 49683 HETZNER-ASDE Germany 15->60 62 t.me 149.154.167.99, 443, 49681 TELEGRAMRU United Kingdom 15->62 64 127.0.0.1 unknown unknown 15->64 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->72 74 Found many strings related to Crypto-Wallets (likely being stolen) 15->74 76 Tries to harvest and steal ftp login credentials 15->76 82 3 other signatures 15->82 31 msedge.exe 2 9 15->31         started        34 chrome.exe 15->34         started        37 cmd.exe 15->37         started        78 Attempt to bypass Chrome Application-Bound Encryption 19->78 80 Searches for specific processes (likely to inject) 19->80 66 18.164.96.90, 443, 49812, 49824 MIT-GATEWAYSUS United States 23->66 68 ax-0001.ax-msedge.net 150.171.27.10, 443, 49760 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->68 70 30 other IPs or domains 23->70 signatures9 process10 dnsIp11 98 Monitors registry run keys for changes 31->98 39 msedge.exe 31->39         started        54 192.168.2.10, 138, 443, 49571 unknown unknown 34->54 41 chrome.exe 34->41         started        44 conhost.exe 37->44         started        46 timeout.exe 37->46         started        signatures12 process13 dnsIp14 56 www.google.com 142.250.80.68, 443, 49704, 49705 GOOGLEUS United States 41->56
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/37fe77ebb9e0a268328482308d6779b0f5f08e4553833c9ac2da10492a55e8b3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37fe77ebb9e0a268328482308d6779b0f5f08e4553833c9ac2da10492a55e8b3/
Threat name:
Win64.Downloader.Rhadam
Create hunting rule
Status:
Malicious
First seen:
2025-03-27 00:17:00 UTC
File Type:
PE+ (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g77hp25z4crgqmueqiyi2z3zwd27bdsfkobtzgwc3iiesksv5czq._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:00cb84c6bd4caac4bdfc1131beae4df7 credential_access discovery spyware stealer
Link:
https://tria.ge/reports/250330-y43exsylt5/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
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
Accesses cryptocurrency files/wallets, possible credential harvesting
Unsecured Credentials: Credentials In Files
Uses browser remote debugging
Detect Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://t.me/lw25chm
https://steamcommunity.com/profiles/76561199839170361
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/7c53246d-e499-45f9-81ff-e6a587c6e210
Unpacked files
SH256 hash:
37fe77ebb9e0a268328482308d6779b0f5f08e4553833c9ac2da10492a55e8b3
MD5 hash:
b12e6c33aaa13c1e79772ef9817c69f7
SHA1 hash:
e8d7ad2964419f9324e37016e5d6e2763184ad62
Link:
https://www.unpac.me/results/afd4e47f-d9ab-4798-b745-5d3f73c40709/
Malware family:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/37fe77ebb9e0/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/37fe77ebb9e0a268328482308d6779b0f5f08e4553833c9ac2da10492a55e8b3

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:NET
Create hunting rule
Author:malware-lu
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.

Vidar

PowerShell (PS) ps1 884c8595250427c245264532b41f29334691e9b21b3526e9acb261a5952be10f

Vidar

Executable exe 37fe77ebb9e0a268328482308d6779b0f5f08e4553833c9ac2da10492a55e8b3

(this sample)

anyrun
any.run
https://app.any.run/tasks/0d7e774d-157f-4fca-9675-a3dffb14c69f
  
Dropped by
SHA256 884c8595250427c245264532b41f29334691e9b21b3526e9acb261a5952be10f
  
Delivery method
Other
  
Dropped by
MD5 eb268445cfc78545bacae46af1b5f268

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
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