MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b1d1a65961e2c873037316cddc4c2dd55214efa43fa32645a2d0571b1f16ff1. 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



Expiro


Vendor detections: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 1b1d1a65961e2c873037316cddc4c2dd55214efa43fa32645a2d0571b1f16ff1
SHA3-384 hash: 15ff223079af8661adb7e147f649d72e97181da3cbd500c4af93554a6847c93c1e2ad48149c010e425a0ad973b60b368
SHA1 hash: 8cf5febd290eb1c1e74a597dad85fbc36f339988
MD5 hash: 704b33adad8cb23b56c62b56cd0ef704
humanhash: harry-helium-dakota-texas
File name:SecuriteInfo.com.Win32.MalwareX-gen.27638.11330
Download: download sample
Signature Expiro
File size:692'224 bytes
First seen:2025-05-30 06:19:26 UTC
Last seen:2025-06-10 11:37:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:QEPneyrdKoIhxxa6zn/4HA3XL18axskH21Dj2Bn1zubT6Ov:QS5hIfxamnQZGt6DSrzubT6O
Threatray 83 similar samples on MalwareBazaar
TLSH T114E4A51BB99757A2F2425736DAE70C208774F983772BDE1E358AA37988037374C48627
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe Expiro

Intelligence


File Origin
# of uploads :
3
# of downloads :
427
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.27638.11330
Verdict:
Malicious activity
Analysis date:
2025-05-30 06:22:27 UTC
Tags:
netreactor auto-startup purecrypter

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate autorun xtreme shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Searching for the window
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 lolbin net_reactor obfuscated packed reconnaissance remote
Result
Threat name:
AgentTesla, PureLog Stealer, ResolverRAT
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Check if machine is in data center or colocation facility
Contains functionality to behave differently if execute on a Russian/Kazak computer
Creates files in the system32 config directory
Creates files inside the volume driver (system volume information)
Drops executable to a common third party application directory
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries random domain names (often used to prevent blacklisting and sinkholes)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Drops script at startup location
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Uses threadpools to delay analysis
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected ResolverRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1702039 Sample: SecuriteInfo.com.Win32.Malw... Startdate: 30/05/2025 Architecture: WINDOWS Score: 100 58 zlenh.biz 2->58 60 yunalwv.biz 2->60 62 37 other IPs or domains 2->62 80 Suricata IDS alerts for network traffic 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 17 other signatures 2->86 8 SecuriteInfo.com.Win32.MalwareX-gen.27638.11330.exe 15 6 2->8         started        13 elevation_service.exe 2->13         started        15 alg.exe 2->15         started        17 20 other processes 2->17 signatures3 process4 dnsIp5 70 drive.google.com 142.251.186.101, 443, 49714, 49743 GOOGLEUS United States 8->70 72 drive.usercontent.google.com 173.194.208.132, 443, 49715, 49744 GOOGLEUS United States 8->72 52 C:\Users\user\AppData\Roaming\Opcode.exe, PE32 8->52 dropped 54 C:\Users\user\AppData\Roaming\...\Opcode.vbs, ASCII 8->54 dropped 100 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->100 102 Drops VBS files to the startup folder 8->102 104 Encrypted powershell cmdline option found 8->104 118 3 other signatures 8->118 19 SecuriteInfo.com.Win32.MalwareX-gen.27638.11330.exe 3 8->19         started        24 cmd.exe 1 8->24         started        26 powershell.exe 23 8->26         started        28 cmd.exe 8->28         started        56 C:\Windows\System32\sppsvc.exe, PE32+ 13->56 dropped 106 Infects executable files (exe, dll, sys, html) 13->106 108 Found direct / indirect Syscall (likely to bypass EDR) 13->108 74 yunalwv.biz 104.156.155.94, 49759, 49774, 49777 SRCACCESSUS United States 15->74 76 myups.biz 165.160.13.20, 49767, 80 CSCUS United States 15->76 78 8 other IPs or domains 15->78 110 Creates files in the system32 config directory 15->110 112 Contains functionality to behave differently if execute on a Russian/Kazak computer 15->112 114 Creates files inside the volume driver (system volume information) 17->114 116 Windows Scripting host queries suspicious COM object (likely to drop second stage) 17->116 file6 signatures7 process8 dnsIp9 64 ip-api.com 208.95.112.1, 49723, 80 TUT-ASUS United States 19->64 66 parkingpage.namecheap.com 91.195.240.19, 49738, 49740, 80 SEDO-ASDE Germany 19->66 68 8 other IPs or domains 19->68 44 C:\Windows\System32\wbengine.exe, PE32+ 19->44 dropped 46 C:\Windows\System32\wbem\WmiApSrv.exe, PE32+ 19->46 dropped 48 C:\Windows\System32\vds.exe, PE32+ 19->48 dropped 50 113 other malicious files 19->50 dropped 88 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->88 90 Tries to steal Mail credentials (via file / registry access) 19->90 92 Tries to harvest and steal ftp login credentials 19->92 98 4 other signatures 19->98 94 Uses ipconfig to lookup or modify the Windows network settings 24->94 30 conhost.exe 24->30         started        32 ipconfig.exe 1 24->32         started        34 Conhost.exe 24->34         started        96 Loading BitLocker PowerShell Module 26->96 36 conhost.exe 26->36         started        38 WmiPrvSE.exe 26->38         started        40 conhost.exe 28->40         started        42 ipconfig.exe 28->42         started        file10 signatures11 process12
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery spyware stealer
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Gathers network information
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1b1d1a65961e2c873037316cddc4c2dd55214efa43fa32645a2d0571b1f16ff1
MD5 hash:
704b33adad8cb23b56c62b56cd0ef704
SHA1 hash:
8cf5febd290eb1c1e74a597dad85fbc36f339988
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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

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