MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 eac05791af7cd178ae0c017b225dcefbbf860b4e927fe8045ba7f57636bb91b4. 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: 16
| SHA256 hash: | eac05791af7cd178ae0c017b225dcefbbf860b4e927fe8045ba7f57636bb91b4 |
|---|---|
| SHA3-384 hash: | 2717b0b6b55f57a7d7776007346b2640bddeb29ec79a5bcd4b64c84fcdd8f520ecad89c75780b3a1f1c3490ec0053d43 |
| SHA1 hash: | 3d3558bb8c02dee4f8447d7dbc560183b9dc4bc8 |
| MD5 hash: | 0b400372039ffa4412f76ec1fa7a4486 |
| humanhash: | music-montana-louisiana-sweet |
| File name: | Nuevo orden de compra.pdf.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 390'112 bytes |
| First seen: | 2026-07-02 14:52:25 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f4639a0b3116c2cfc71144b88a929cfd (134 x GuLoader, 55 x Formbook, 40 x VIPKeylogger) |
| ssdeep | 6144:aGMoidXz0d+jF8s7aiAzOjoK8QVR2NV7h7DbG+yXi9odFMGfNARkkrs2:aGsXZjF37aH9qR2NVd7Di+3o1AyZ2 |
| TLSH | T194841222FC31F927C6289A704E7A9EF50ABC8F6E46257A1B475435BCBD71342560F2C2 |
| TrID | 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 10.5% (.EXE) Win64 Executable (generic) (6522/11/2) 8.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.2% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| dhash icon | 643599e4aaaaca68 (2 x GuLoader) |
| Reporter |  lowmal3 |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Repressalie |
|---|---|
| Issuer: | Repressalie |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-05-09T07:35:28Z |
| Valid to: | 2027-05-09T07:35:28Z |
| Serial number: | 7baaee48f7c8b73ad639b8c026f471b234d61ac4 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 851f0069d06cf64c06c8fa0c64ae88dfaa418e5a21340c98c9a34a45d0ad3413 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
156
Origin country :
DEVendor Threat Intelligence
Malware configuration found for:
NSIS
Details
Malware family:
agenttesla
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-07-02 15:07:45 UTC
Tags:
stealer ip-check evasion agenttesla
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
95.7%
Tags:
underscore nsis
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Delayed reading of the file
Creating a file in the %AppData% subdirectories
Launching a service
Unauthorized injection to a recently created process
Restart of the analyzed sample
Changing a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
adaptive-context anti-debug installer installer installer-heuristic masquerade microsoft_visual_cc nsis reconnaissance signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-01T14:51:00Z UTC
Last seen:
2026-07-03T13:08:00Z UTC
Hits:
~10000
Detections:
Trojan-Downloader.Win32.Minix.sb HEUR:Trojan.Win32.Makoob.gen Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Agensla.d Trojan.Win32.GuLoader.sb PDM:Trojan.Win32.Generic PDM:Trojan.Win32.Badex.d Trojan.Win64.Agent.sb Trojan.NSIS.Makoob.sba Trojan-PSW.MSIL.Agensla.sb
Verdict:
Suspicious
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
AI detected suspicious PE / MSI digital signature
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Suspicious Double Extension File Execution
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
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 steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected GuLoader
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Threat name:
Win32.Trojan.Malgent
Status:
Malicious
First seen:
2026-07-01 21:41:55 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
16 of 38 (42.11%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
guloader
Score:
10/10
Tags:
family:agenttesla family:guloader collection discovery downloader keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Family: AgentTesla
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
eac05791af7cd178ae0c017b225dcefbbf860b4e927fe8045ba7f57636bb91b4
MD5 hash:
0b400372039ffa4412f76ec1fa7a4486
SHA1 hash:
3d3558bb8c02dee4f8447d7dbc560183b9dc4bc8
SH256 hash:
23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
MD5 hash:
192639861e3dc2dc5c08bb8f8c7260d5
SHA1 hash:
58d30e460609e22fa0098bc27d928b689ef9af78
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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_NSIS_Nullsoft_Installer |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects NSIS installers by .ndata section + NSIS header string |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | VECT_Ransomware |
|---|---|
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
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