MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e613b9a2f12e2fb758a99835f5d3b0e43f6dcc1e34b13e73ae201691a5da9151. 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 31 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e613b9a2f12e2fb758a99835f5d3b0e43f6dcc1e34b13e73ae201691a5da9151
SHA3-384 hash: 2eb4c8656873835d91c32bef68c00f509b3dc33ccc7d06ea11616cb8923b492ddfdc869b91b6fb22919432934fe686c6
SHA1 hash: f48493f1a83e730d8ee2e74e64be606719292992
MD5 hash: b3751ed861ec8ff488eaa55af5587e7b
humanhash: oven-cup-fix-queen
File name:Bootsrappper.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:2'396'808 bytes
First seen:2026-05-31 07:21:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (390 x Vidar, 94 x Stealc, 92 x Rhadamanthys)
ssdeep 49152:afeKr3DqpAfUHZK9erQk6ZAeRCmhvXo7f:at8THSe0nN0ml4b
TLSH T14CB57D177CE048FAC06A933288B25292BB75BC150F3223DB2E90B67D2F76AE45D35754
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:exe signed vidar

Code Signing Certificate

Organisation:www.agrarheute.com
Issuer:E7
Algorithm:sha256WithRSAEncryption
Valid from:2026-04-17T07:33:10Z
Valid to:2026-07-16T07:33:09Z
Serial number: 06cc53315bc3261c8e45bedd1cdca12e2fa9
Thumbprint Algorithm:SHA256
Thumbprint: 018baf91aed4331ebe34667278c65739af02c92b8ae82e2d3a94bf2dd85b10c3
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
vidar
Create hunting rule
ID:
1
File name:
https://bluytsertvek.com/download.php
Verdict:
Malicious activity
Analysis date:
2026-05-29 23:01:21 UTC
Tags:
arch-doc qrcode stealer stealc vidar attachments attc-unc
Link:
https://app.any.run/tasks/69210780-6141-4335-8711-84fae445f12f

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/68580/
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.89368411.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a19a89633dfa243d40add10
Tags:
injection obfusc crypt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-vm crypto golang packed signed
Link:
https://www.filescan.io/uploads/6a1be1ae099ef368af10b730/reports/c1b6cba9-57a0-4bce-99d5-acc5c5fe8b2b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/e613b9a2f12e2fb758a99835f5d3b0e43f6dcc1e34b13e73ae201691a5da9151
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-05-29T12:59:00Z UTC
Last seen:
2026-05-31T19:05:00Z UTC
Hits:
~10
Detections:
Backdoor.Win64.Gsb.sb Backdoor.Win64.Gsb.gen Trojan.Win64.Agent.sb Trojan-PSW.Stealerc.TCP.C&C Trojan-PSW.Stealerc.HTTP.C&C
Link:
https://opentip.kaspersky.com/e613b9a2f12e2fb758a99835f5d3b0e43f6dcc1e34b13e73ae201691a5da9151/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8a4279c4-af3e-46f3-894e-c49ce2677549
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1920718
Signature
AI detected suspicious PE digital signature
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)
Detected unpacking (creates a PE file in dynamic memory)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
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)
Unusual module load detection (module proxying)
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1920718 Sample: Bootsrappper.exe Startdate: 31/05/2026 Architecture: WINDOWS Score: 100 47 Suricata IDS alerts for network traffic 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected Vidar stealer 2->51 53 2 other signatures 2->53 7 Bootsrappper.exe 1 14 2->7         started        11 msedge.exe 3 86 2->11         started        13 msedge.exe 2->13         started        process3 dnsIp4 43 178.105.250.16, 443, 49689, 49719 HETZNER-ASDE Germany 7->43 55 Detected unpacking (creates a PE file in dynamic memory) 7->55 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 7->57 59 Found many strings related to Crypto-Wallets (likely being stolen) 7->59 61 10 other signatures 7->61 15 msedge.exe 2 9 7->15         started        18 chrome.exe 7->18         started        20 msedge.exe 7->20         started        45 239.255.255.250 unknown ZZ 11->45 22 msedge.exe 8 11->22         started        25 msedge.exe 11->25         started        27 msedge.exe 11->27         started        29 msedge.exe 13->29         started        signatures5 process6 dnsIp7 63 Monitors registry run keys for changes 15->63 31 msedge.exe 15->31         started        65 Found many strings related to Crypto-Wallets (likely being stolen) 18->65 33 chrome.exe 18->33         started        35 msedge.exe 20->35         started        37 part-0029.t-0009.fb-t-msedge.net 13.107.253.57, 443, 49714, 49715 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS United States 22->37 39 mr-z01.tm-azurefd.net 150.171.110.2, 443, 49708, 49709 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS United States 22->39 41 12 other IPs or domains 22->41 signatures8 process9
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e613b9a2f12e2fb758a99835f5d3b0e43f6dcc1e34b13e73ae201691a5da9151
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e613b9a2f12e2fb758a99835f5d3b0e43f6dcc1e34b13e73ae201691a5da9151/
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2026-05-29 14:54:27 UTC
File Type:
PE+ (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4yj3tixrfyx3owfjta27lu5q4q7w3ta6gsyt445oealjdjo2sfiq._file
Verdict:
malicious
Label(s):
unc_go_loader_002
Create hunting rule
Similar samples:
error
Vidar
Result
Malware family:
n/a
Score:
  10/10
Tags:
credential_access discovery spyware stealer
Link:
https://tria.ge/reports/260531-h6xz8ab16y/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Browser Information Discovery
System Time Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Suspicious use of NtCreateProcessExOtherParentProcess
Unpacked files
SH256 hash:
e613b9a2f12e2fb758a99835f5d3b0e43f6dcc1e34b13e73ae201691a5da9151
MD5 hash:
b3751ed861ec8ff488eaa55af5587e7b
SHA1 hash:
f48493f1a83e730d8ee2e74e64be606719292992
Link:
https://www.unpac.me/results/e75d9229-1086-4789-8a68-8b88b4d748ce/
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e613b9a2f12e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/e613b9a2f12e2fb758a99835f5d3b0e43f6dcc1e34b13e73ae201691a5da9151

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_Dlls
Create hunting rule
Rule name:command_and_control
Create hunting rule
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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RemusStealer_GoPayload
Create hunting rule
Author:burger
Description:Detects RemusStealer Go-compiled payload
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
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
Create hunting rule
Author:vietdx.mb
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

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/68580/

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