MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cc73561480591baee4c47ce8b44cf37e22a326f9f2ccb8cce224407fcb0c0044. 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: 14
| SHA256 hash: | cc73561480591baee4c47ce8b44cf37e22a326f9f2ccb8cce224407fcb0c0044 |
|---|---|
| SHA3-384 hash: | c9e9372f60b1618c2d1c09e9c39e9d0f9d34d95d29bbfc54fb48e456a543d8ccaf80e24c832a82d840cbeb622d219466 |
| SHA1 hash: | 4ce03eb543a34b1a6b054d3af50a854d546edd44 |
| MD5 hash: | 27371b0d504f1df1e9ba9a11aa31c295 |
| humanhash: | monkey-september-berlin-lion |
| File name: | 004911_MT103_001_rejection_000223346.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 348'328 bytes |
| First seen: | 2026-09-25 06:31:26 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7eae418c7423834ffc3d79b4300bd6fb (67 x GuLoader, 23 x RemcosRAT, 21 x AgentTesla) |
| ssdeep | 6144:3lHXqz8aiN+uDASPJ3BvcKrqNHXJ5gV6lusERe3:sz8p+uDASRRcOqBZ6wfEI3 |
| TLSH | T1C074D052BA40CAF3CC25853184BB9A75AB79EDB59E556A0333C8B72D3CF3642C60B714 |
| 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 | 60e2e1d0f2ace8d8 (1 x GuLoader) |
| Reporter |  lowmal3 |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | bedrails |
|---|---|
| Issuer: | bedrails |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-09-07T03:38:27Z |
| Valid to: | 2027-09-07T03:38:27Z |
| Serial number: | 65bd9a9849d3c9449034e31154b62f14e2f2ea78 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | a34662bd5b6e0e58e86598767228debb8a56aca230ace463aabf530f5d00c186 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
241
Origin country :
DEVendor Threat Intelligence
Malware configuration found for:
GuLoader
NSIS
Details
Malware family:
agenttesla
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-09-25 06:53:17 UTC
Tags:
stealer ip-check ultravnc rmm-tool evasion smtp agenttesla exfiltration
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:
93.3%
Tags:
injection obfusc virus
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
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
Сreating synchronization primitives
DNS request
Reading critical registry keys
Launching a service
Changing a file
Stealing user critical data
Query of malicious DNS domain
Verdict:
Unknown
Threat level:
2.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug base64 installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-09-25T01:51:00Z UTC
Last seen:
2026-09-27T04:31:00Z UTC
Hits:
~10000
Verdict:
Unknown
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious PE / MSI digital signature
Antivirus detection for URL or domain
Check if machine is in data center or colocation facility
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
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)
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 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)
Unusual module load detection (module proxying)
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Score:
97%
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
Threat name:
Win32.Backdoor.Androm
Status:
Malicious
First seen:
2026-09-25 04:49:12 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
15 of 24 (62.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
guloader
Score:
10/10
Tags:
family:agenttesla family:guloader collection defense_evasion discovery downloader keylogger privilege_escalation 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
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 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
Family: AgentTesla
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
cc73561480591baee4c47ce8b44cf37e22a326f9f2ccb8cce224407fcb0c0044
MD5 hash:
27371b0d504f1df1e9ba9a11aa31c295
SHA1 hash:
4ce03eb543a34b1a6b054d3af50a854d546edd44
SH256 hash:
6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba
MD5 hash:
8cf2ac271d7679b1d68eefc1ae0c5618
SHA1 hash:
7cc1caaa747ee16dc894a600a4256f64fa65a9b8
SH256 hash:
c5ba017732597a82f695b084d1aa7fe3b356168cc66105b9392a9c5b06be5188
MD5 hash:
ec9640b70e07141febbe2cd4cc42510f
SHA1 hash:
64a5e4b90e5fe62aa40e7ac9e16342ed066f0306
Malware family:
AgentTesla
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: | NSIS |
|---|---|
| Author: | kevoreilly |
| Description: | NSIS Integrity Check function |
| 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. |
| Rule name: | Win_Clipboard_Clipper_Thengavar |
|---|---|
| Author: | Thengavar |
| Description: | Detects malware manipulating the Windows clipboard for clipping or crypto stealing attacks |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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