MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3cdf48134632790ee12176a28af37ae654002941721ae22364d176a28e08c1b5. 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 28 File information Comments

SHA256 hash: 3cdf48134632790ee12176a28af37ae654002941721ae22364d176a28e08c1b5
SHA3-384 hash: 495b22491e96f51c3259d66e1b5e1284b800e5932f84e3fbba9b7c058f06f03762e6725ae6a834a1d9186be191b8c281
SHA1 hash: 7f50a05e06f3e5441c428e2baf22f7fcb2088927
MD5 hash: d1a1dcdd8267f5656f2d671dfeb3eede
humanhash: robin-washington-muppet-moon
File name:Bootstapper.exe
Download: download sample
Signature Vidar
File size:5'399'168 bytes
First seen:2026-02-04 08:57:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4035d2883e01d64f3e7a9dccb1d63af5 (47 x ServHelper, 38 x Vidar, 20 x LummaStealer)
ssdeep 49152:oOPWJoB3c2MltCwgiLsT7DOKlyxK2MTgr9u4Tkcnlc4lrqZQPAgSNEvupu50jvEm:oOvB3tL5iQT7blyQ2MY+d
TLSH T15D464C53BC910966C67FE23494A0A2917B71746543323BD71E9A21B60D3BFC82B3F729
gimphash b94f9ab77d58c3694775c3cfcd13e1abfacbf8cec22f2093e47db665c034f082
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe signed vidar

Code Signing Certificate

Organisation:virustotal.com
Issuer:WR3
Algorithm:sha256WithRSAEncryption
Valid from:2026-01-11T03:10:14Z
Valid to:2026-04-11T04:02:26Z
Serial number: 83bbec4d7556912510c20a1999ae9540
Intelligence: 19 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: f19545d947efe745ce5907987aee438df0dada1d956d6e6d02721354a139c9ea
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
118
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Bootstapper.exe
Verdict:
Malicious activity
Analysis date:
2026-02-02 21:15:06 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
Verdict:
Malicious
Score:
99.9%
Tags:
ransomware injection dridex virus
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm golang signed
Result
Gathering data
Verdict:
Malicious
File Type:
exe x64
Detections:
Trojan-PSW.Win32.Vidar.hof Trojan-PSW.Stealerc.TCP.C&C Trojan-PSW.Stealerc.HTTP.C&C Trojan-PSW.Win32.Vidar.d Trojan.Win64.Agent.sb
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious PE digital signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Queues an APC in another process (thread injection)
Sets debug register (to hijack the execution of another thread)
Suricata IDS alerts for network traffic
Tries to detect virtualization through RDTSC time measurements
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: 1863104 Sample: Bootstapper.exe Startdate: 04/02/2026 Architecture: WINDOWS Score: 100 34 www.google.com 2->34 36 ogads-pa.clients6.google.com 2->36 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Antivirus detection for URL or domain 2->60 62 5 other signatures 2->62 8 Bootstapper.exe 16 2->8         started        signatures3 process4 dnsIp5 52 37.27.166.238, 443, 49693, 49694 UNINETAZ Iran (ISLAMIC Republic Of) 8->52 64 Tries to harvest and steal browser information (history, passwords, etc) 8->64 66 Sets debug register (to hijack the execution of another thread) 8->66 68 Writes to foreign memory regions 8->68 70 7 other signatures 8->70 12 chrome.exe 3 8->12         started        15 chrome.exe 2 8->15         started        17 chrome.exe 2 8->17         started        19 3 other processes 8->19 signatures6 process7 dnsIp8 54 192.168.2.5, 138, 443, 49675 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 WerFault.exe 4 19->30         started        32 chrome.exe 19->32         started        process9 dnsIp10 38 www.google.com 142.250.64.68, 443, 49714, 49715 GOOGLEUS United States 21->38 44 4 other IPs or domains 21->44 40 142.250.217.132, 443, 49750, 49756 GOOGLEUS United States 24->40 46 3 other IPs or domains 24->46 48 4 other IPs or domains 26->48 42 142.250.188.10, 443, 49796, 49797 GOOGLEUS United States 28->42 50 2 other IPs or domains 28->50
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Egairtigado
Status:
Malicious
First seen:
2026-02-02 21:15:07 UTC
File Type:
PE+ (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar stealer
Behaviour
Detects Vidar Stealer
Vidar
Vidar family
Unpacked files
SH256 hash:
3cdf48134632790ee12176a28af37ae654002941721ae22364d176a28e08c1b5
MD5 hash:
d1a1dcdd8267f5656f2d671dfeb3eede
SHA1 hash:
7f50a05e06f3e5441c428e2baf22f7fcb2088927
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: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:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
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:Golang_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Suspicious_Golang_Binary
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
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:telebot_framework
Author:vietdx.mb
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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