MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 309e492c17a1d7fd2def602262cf408ab5c04219f9d411438309764a365476a3. 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 25 File information Comments

SHA256 hash: 309e492c17a1d7fd2def602262cf408ab5c04219f9d411438309764a365476a3
SHA3-384 hash: cbc7b63a60ef996c391570d603418922b1e10762ef65067d9679fe572c52d92a38f5d167ba47430c0db85037243e7032
SHA1 hash: a0010f08fc851b385e556df65b35d7b84aaff065
MD5 hash: 35f83371a8b50ae5dfa5f79c023e534a
humanhash: grey-uniform-fruit-alabama
File name:CrimsonLoader.exe
Download: download sample
Signature Vidar
File size:3'843'592 bytes
First seen:2025-11-15 21:15:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (98 x Vidar, 92 x Rhadamanthys, 44 x LummaStealer)
ssdeep 49152:agZ1jVex1UnT1Khw9CFPmt6YM408RwCw0E:aWT1Ka9UPmtzJlw0E
TLSH T11A064A176C914AAAD06AE238CDE245B27760BC0D1B7267D37E207E7A1E777C0197272C
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter burger
Tags:exe vidar

Intelligence


File Origin
# of uploads :
1
# of downloads :
131
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
CrimsonLoader.exe
Verdict:
Malicious activity
Analysis date:
2025-11-15 21:15:11 UTC
Tags:
stealer stealc vidar xor-url generic golang

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm golang infostealer invalid-signature redcap rhadamanthys signed
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-11-15T18:17:00Z UTC
Last seen:
2025-11-17T15:57:00Z UTC
Hits:
~100
Detections:
Trojan.Win64.Agent.sb PDM:Trojan.Win32.Generic Trojan.Win64.Agent.smewkv
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to inject threads in other processes
Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)
Creates a thread in another existing process (thread injection)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Sets debug register (to hijack the execution of another thread)
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1814774 Sample: CrimsonLoader.exe Startdate: 15/11/2025 Architecture: WINDOWS Score: 100 32 frx.kindnessbrand.com 2->32 34 telegram.me 2->34 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 3 other signatures 2->62 8 CrimsonLoader.exe 16 2->8         started        signatures3 process4 dnsIp5 50 frx.kindnessbrand.com 5.75.210.163, 443, 49721, 49723 HETZNER-ASDE Germany 8->50 52 telegram.me 149.154.167.99, 443, 49720 TELEGRAMRU United Kingdom 8->52 64 Contains functionality to inject threads in other processes 8->64 66 Tries to harvest and steal browser information (history, passwords, etc) 8->66 68 Sets debug register (to hijack the execution of another thread) 8->68 70 9 other signatures 8->70 12 chrome.exe 1 8->12         started        15 chrome.exe 1 8->15         started        17 chrome.exe 1 8->17         started        19 2 other processes 8->19 signatures6 process7 dnsIp8 54 192.168.2.4, 138, 443, 49586 unknown unknown 12->54 21 chrome.exe 12->21         started        24 chrome.exe 15->24         started        26 chrome.exe 17->26         started        28 chrome.exe 19->28         started        30 chrome.exe 19->30         started        process9 dnsIp10 36 plus.l.google.com 142.250.191.14, 443, 49753 GOOGLEUS United States 21->36 38 www.google.com 142.250.72.100, 443, 49738, 49739 GOOGLEUS United States 21->38 44 3 other IPs or domains 21->44 40 142.250.80.36, 443, 49766, 49767 GOOGLEUS United States 24->40 42 142.250.80.78, 443, 49770, 49771 GOOGLEUS United States 24->42 46 2 other IPs or domains 24->46 48 3 other IPs or domains 26->48
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Malgent
Status:
Malicious
First seen:
2025-11-15 21:14:46 UTC
File Type:
PE+ (Exe)
Extracted files:
26
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:d1a49b9c085ed2f27ce0586af800837d discovery spyware stealer
Behaviour
Checks processor information in registry
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
Drops file in Windows directory
Checks installed software on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Detects Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561198770591383
Verdict:
Malicious
Tags:
Stealc
YARA:
n/a
Unpacked files
SH256 hash:
309e492c17a1d7fd2def602262cf408ab5c04219f9d411438309764a365476a3
MD5 hash:
35f83371a8b50ae5dfa5f79c023e534a
SHA1 hash:
a0010f08fc851b385e556df65b35d7b84aaff065
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Check_Debugger
Rule name:command_and_control
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_XORed_URL_In_EXE
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

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