MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8ab89c52075d2b56f646f709efee8785ed52d7b3110627ced08db4e0b6387e6f. 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
GuLoader
Vendor detections: 19
| SHA256 hash: | 8ab89c52075d2b56f646f709efee8785ed52d7b3110627ced08db4e0b6387e6f |
|---|---|
| SHA3-384 hash: | 6b4b7df9b73c3975b37634e67a5f82249940c3fc0b3afcc3964f991aa612177b72c4931c329a6b3d0e4335fb72559e49 |
| SHA1 hash: | 288b9ac846addb58b521a096d1fb8a02299acafe |
| MD5 hash: | 6f41067a6f482702a39a0344aca02624 |
| humanhash: | tennessee-fourteen-charlie-music |
| File name: | Conferma di pagamento.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 318'872 bytes |
| First seen: | 2025-10-24 10:40:22 UTC |
| Last seen: | 2025-11-06 11:16:42 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b34f154ec913d2d2c435cbd644e91687 (592 x GuLoader, 130 x RemcosRAT, 84 x EpsilonStealer) |
| ssdeep | 6144:c5lz/tV870W5FLcOrKWaislUN24bw32wE5o23EjdtxaUnWyS216Uz:0bVg0WDL3eQE4M32/5o20xnaUCUz |
| Threatray | 2'084 similar samples on MalwareBazaar |
| TLSH | T1D96412146370C173DABB4D724EB29E95BFE6A51634A10B1B2B81AF5C2C21791980F39F |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10522/11/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| dhash icon | c4dadadad2f492c2 (148 x GuLoader, 51 x RemcosRAT, 23 x VIPKeylogger) |
| Reporter |  lowmal3 |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Bltespnders |
|---|---|
| Issuer: | Bltespnders |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-09-01T01:06:42Z |
| Valid to: | 2026-09-01T01:06:42Z |
| Serial number: | 3e75746f68c527a5f3469800014e6e2ed003c978 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 3bc7ab9b551ed8ef26558c5aafdcd2d962204c92543d600515ac1d255db3dcac |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
215
Origin country :
DEVendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Conferma di pagamento.exe
Verdict:
Malicious activity
Analysis date:
2025-10-24 10:44:18 UTC
Tags:
stealer evasion ultravnc rmm-tool agenttesla
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Verdict:
Malicious
Score:
70%
Tags:
injection obfusc
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Connection attempt
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole exploit installer microsoft_visual_cc nsis overlay signed
Verdict:
Malicious
Labled as:
Trojan_Win32_Wacatac_B_ml
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-23T07:25:00Z UTC
Last seen:
2025-10-26T07:20:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan-Downloader.Win32.Minix.gen Trojan.Win32.GuLoader.sb Trojan.Makoob.HTTP.C&C PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Agensla.d VHO:Backdoor.Win32.Androm.gen Backdoor.Androm.HTTP.Download Trojan-PSW.Win32.Disco.sb Trojan-PSW.MSIL.Agensla.sb Trojan-Downloader.Win32.Minix.sb HEUR:Backdoor.Win32.Androm.gen
Malware family:
Unlabeled
Verdict:
Unknown
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious PE digital signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Check if machine is in data center or colocation facility
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
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)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Score:
98%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2025-10-23 10:05:25 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'074 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:agenttesla family:guloader discovery downloader keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Looks up external IP address via web service
Loads dropped DLL
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
AgentTesla
Agenttesla family
Guloader family
Guloader,Cloudeye
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8ab89c52075d2b56f646f709efee8785ed52d7b3110627ced08db4e0b6387e6f
MD5 hash:
6f41067a6f482702a39a0344aca02624
SHA1 hash:
288b9ac846addb58b521a096d1fb8a02299acafe
SH256 hash:
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 hash:
0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 hash:
48df0911f0484cbe2a8cdd5362140b63c41ee457
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
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: | AgentTeslaV3 |
|---|---|
| Author: | ditekshen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | AgentTeslaV5 |
|---|---|
| Author: | ClaudioWayne |
| Description: | AgentTeslaV5 infostealer payload |
| Rule name: | Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| 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: | Detect_NSIS_Nullsoft_Installer |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects NSIS installers by .ndata section + NSIS header string |
| Rule name: | INDICATOR_EXE_Packed_GEN01 |
|---|---|
| Author: | ditekSHen |
| Description: | Detect packed .NET executables. Mostly AgentTeslaV4. |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many email and collaboration clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many file transfer clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing Windows vault credential objects. Observed in infostealers |
| Rule name: | malware_Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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: | Windows_Trojan_AgentTesla_ebf431a8 |
|---|---|
| Author: | Elastic Security |
| Reference: | https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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