MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b7d239db797326e43a96fb228e93bbbfa1e12d610c8a79ba3148b74b0021ecb4. 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: | b7d239db797326e43a96fb228e93bbbfa1e12d610c8a79ba3148b74b0021ecb4 |
|---|---|
| SHA3-384 hash: | 7d29703ede4518b7d0219c2cee0914f92e2b5a4c99f4efc9ccac62c5f9464d7b58eaf9fb7efa68de49725a2d986d43b4 |
| SHA1 hash: | ee6640fa3f2ccff294b65d60ee9b6a2dc4b8e13f |
| MD5 hash: | d3b97d3a820e8c78fc00f08ddfc54690 |
| humanhash: | freddie-juliet-floor-yankee |
| File name: | inv. 5234353.bat.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 457'952 bytes |
| First seen: | 2026-02-03 15:00:37 UTC |
| Last seen: | 2026-02-03 15:35:40 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b34f154ec913d2d2c435cbd644e91687 (592 x GuLoader, 130 x RemcosRAT, 84 x EpsilonStealer) |
| ssdeep | 6144:fQ606xV8H+lc7SGd7UAteVk8I1if8b3eBNTXnqdqEC8tTVefpcjM1JymU+/GIBe:UecGGRUdk8/Eb3EXqFyCI1JymU+/v0 |
| Threatray | 2'515 similar samples on MalwareBazaar |
| TLSH | T1D0A4F1103646EA07CEEC06B544BF86EE4E759E7BA9818B43F381F76E7C712C5B928114 |
| 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 | 2a0cf8f8b8f8f8dc (6 x GuLoader, 2 x PhantomStealer) |
| Reporter |  James_inthe_box |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
167
Origin country :
USVendor Threat Intelligence
Malware configuration found for:
GuLoader
NSIS
Details
GuLoader
an XOR decryption key and an extracted component
GuLoader
a c2 URL, a useragent string, and a string XOR key
NSIS
extracted archive contents
Malware family:
agenttesla
ID:
1
File name:
inv.5234353.bat
Verdict:
Malicious activity
Analysis date:
2026-02-03 10:34:36 UTC
Tags:
evasion stealer agenttesla
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Clean
Score:
89.3%
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file in the %temp% subdirectories
Delayed reading of the file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Malicious
Labled as:
Trojan.VTYZ
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-02-03T06:37:00Z UTC
Last seen:
2026-02-05T05:57:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan.Win32.Guloader.gen Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Agensla.sb Trojan-Downloader.Win32.Minix.sb Trojan.Win32.Guloader.sb HEUR:Trojan.NSIS.GuLoader.gen Trojan-PSW.MSIL.Agensla.d Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba Trojan-PSW.Win32.Disco.sb
Verdict:
Unknown
Score:
57%
Verdict:
Susipicious
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-02-03 09:58:13 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
20 of 36 (55.56%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'505 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla discovery 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
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
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
AgentTesla
Agenttesla family
Unpacked files
SH256 hash:
b7d239db797326e43a96fb228e93bbbfa1e12d610c8a79ba3148b74b0021ecb4
MD5 hash:
d3b97d3a820e8c78fc00f08ddfc54690
SHA1 hash:
ee6640fa3f2ccff294b65d60ee9b6a2dc4b8e13f
SH256 hash:
86c8ee210e6611383a634dcb8c60455063ddae3d7adccbeacf3adf7bf2a46676
MD5 hash:
d2e45dd852a659e11897df573832f381
SHA1 hash:
19990ee627c95b6c18d3b5c5f0ec5c24791d0af5
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
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:
0.79
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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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