MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8d3a74c5088a357ef6b3e235685dcd750732d7dbdf4e4684a92a566f2be555b. 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



Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 6 File information Comments

SHA256 hash: b8d3a74c5088a357ef6b3e235685dcd750732d7dbdf4e4684a92a566f2be555b
SHA3-384 hash: da821cb8df6bdcb37c5bd226c3e73f4a83d3769db6f944ee470371c24a2edd727b9d7664ecbb17169745a08fa315d3a6
SHA1 hash: f8a936063ba13fabbf2a4c00667d7704d957e802
MD5 hash: dc3e75a4b5ece7feebec41e958396e9a
humanhash: paris-failed-queen-happy
File name:b8d3a74c5088a357ef6b3e235685dcd750732d7dbdf4e4684a92a566f2be555b.jar
Download: download sample
File size:98'328 bytes
First seen:2026-05-28 13:06:49 UTC
Last seen:Never
File type:Java file jar
MIME type:application/java-archive
ssdeep 1536:/Sc+87fiwTxF69GYAzx76GJHiuHe6pI7gm2pGi4ikIeE0WE05bOBuok/Gk+F0m32:rhfiwTxF60x77FV0i4aec5/G10F
TLSH T15CA3F155BBDDB5A9FD07F4301290D78B6C8C93748406920B23E16D872D90CB98F9BADE
TrID 77.1% (.JAR) Java Archive (13500/1/2)
22.8% (.ZIP) ZIP compressed archive (4000/1)
Magika jar
Reporter johnk3r
Tags:backdoor jar latam UNC5669

Intelligence


File Origin
# of uploads :
1
# of downloads :
55
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
b8d3a74c5088a357ef6b3e235685dcd750732d7dbdf4e4684a92a566f2be555b.jar
Verdict:
Malicious activity
Analysis date:
2026-05-28 13:10:12 UTC
Tags:
auto-startup evasion ip-check

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd lolbin macros-on-close
Verdict:
Unknown
File Type:
jar
First seen:
2026-05-28T10:18:00Z UTC
Last seen:
2026-05-28T10:37:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
Deletes itself after installation
Exploit detected, runtime environment starts unknown processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Performs DNS queries with encoded ASCII data (may be used to data exfiltration)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries the IP of a very long domain name
Sigma detected: Capture Wi-Fi password
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Suspicious Startup Folder Persistence
Suspicious powershell command line found
Tries to harvest and steal WLAN passwords
Uses netsh to dump wireless credentials
Uses netsh to modify the Windows network and firewall settings
Uses whoami command line tool to query computer and username
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1919756 Sample: WHXQr884BH.jar Startdate: 28/05/2026 Architecture: WINDOWS Score: 100 52 r-123456789-win-my9349_ok.iqezmqm.com 2->52 54 ifconfig.me 2->54 66 Malicious sample detected (through community Yara rule) 2->66 68 Sigma detected: Capture Wi-Fi password 2->68 70 Performs DNS queries with encoded ASCII data (may be used to data exfiltration) 2->70 72 8 other signatures 2->72 10 cmd.exe 2 2->10         started        12 javaw.exe 5 2->12         started        signatures3 process4 dnsIp5 15 java.exe 5 10->15         started        18 conhost.exe 10->18         started        62 s-123456789-win-my9349.iqezmqm.com 12->62 64 r-123456789-win-my9349_ok.iqezmqm.com 12->64 20 powershell.exe 12->20         started        process6 file7 48 C:\Users\user\AppData\...\JavaUpdate.jar, Java 15->48 dropped 23 javaw.exe 1 23 15->23         started        74 Loading BitLocker PowerShell Module 20->74 28 conhost.exe 20->28         started        signatures8 process9 dnsIp10 56 r.123456789.win-my9349.shc.0c02215b.2o3.751d0cbbd7828c3cda4a95d882d3a5cc68834748a23880b9aa51569af82d5a4.2df97a5fe18e3dff96741affa5ee7962b6dba195af378c66f4cdff74ac75f7a.deac8d2eb35c861944d2b82fb1d26608e74fd52b20b4ba010000.iqezmqm.com 23->56 58 r.123456789.win-my9349.shc.0c02215b.1o3.d256492ddf946b4d9ae7e847d953215af15c4c1f27a30b4ae72253634c0053d.6849b1716a234415229e33080319357332e95f991ee36756bf0b691a243597e.88215942743b08a39b6138086358490856aa31fe41797c571fbf0d51672057a.03da0.iqezmqm.com 23->58 60 6 other IPs or domains 23->60 46 C:\...\rpx-bootstrap-933464435749072671.ps1, Unicode 23->46 dropped 76 Suspicious powershell command line found 23->76 78 Deletes itself after installation 23->78 30 powershell.exe 35 23->30         started        33 powershell.exe 15 27 23->33         started        file11 80 Performs DNS queries with encoded ASCII data (may be used to data exfiltration) 58->80 82 Queries the IP of a very long domain name 58->82 signatures12 process13 dnsIp14 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 30->84 86 Uses netsh to modify the Windows network and firewall settings 30->86 88 Tries to harvest and steal WLAN passwords 30->88 36 conhost.exe 30->36         started        50 ifconfig.me 34.160.111.145, 443, 49717 GOOGLE-CLOUD-PLATFORM-GoogleLLCUS United States 33->50 90 Uses whoami command line tool to query computer and username 33->90 92 Loading BitLocker PowerShell Module 33->92 94 Uses netsh to dump wireless credentials 33->94 38 netsh.exe 2 33->38         started        40 netsh.exe 2 33->40         started        42 conhost.exe 33->42         started        44 whoami.exe 1 33->44         started        signatures15 process16
Threat name:
Win32.Trojan.Egairtigado
Status:
Malicious
First seen:
2026-05-28 13:07:51 UTC
File Type:
Binary (Archive)
Extracted files:
42
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence privilege_escalation
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Event Triggered Execution: Netsh Helper DLL
System Network Configuration Discovery: Wi-Fi Discovery
Looks up external IP address via web service
Deletes itself
Drops startup file
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
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:detect_powershell
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:Suspicious_Process
Author:Security Research Team
Description:Suspicious process creation
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:WIN_ClickFix_Detection
Author:dogsafetyforeverone
Description:Detects ClickFix social engineering technique using 'Verify you are human' messages and malicious PowerShell commands
Reference:ClickFix social engineering and malicious PowerShell commands

File information


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

Comments