MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 856dec955fb69a4bbc6fbe67482fe99c13a09955a36a9068f6620c44bfa97bfc. 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: 13
| SHA256 hash: | 856dec955fb69a4bbc6fbe67482fe99c13a09955a36a9068f6620c44bfa97bfc |
|---|---|
| SHA3-384 hash: | 837393ac816bfe5f4b38da55c586ad56d27794cb9195bb54fab1e376409d3cb20bc1cc12e1a0731454df09f2e5a22f02 |
| SHA1 hash: | aa769a1cda87ba5d39e10652425a6d586aaa9471 |
| MD5 hash: | 117f5daa3882d897ab7b0191cc2f4335 |
| humanhash: | oven-blue-foxtrot-fourteen |
| File name: | 856dec955fb69a4bbc6fbe67482fe99c13a09955a36a9068f6620c44bfa97bfc |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 394'488 bytes |
| First seen: | 2025-10-10 06:42:58 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1f23f452093b5c1ff091a2f9fb4fa3e9 (303 x GuLoader, 47 x AgentTesla, 47 x RemcosRAT) |
| ssdeep | 6144:uIw3M0a4+U3qtru313VGtciAenRZdbZODW9UhJhpHwifd5tuT3v:z0au3qaFGtcOZd1kWurDwO5tuTf |
| Threatray | 775 similar samples on MalwareBazaar |
| TLSH | T1668412123653C857DDE687300FB9AB779975E8E5242A864B3314FF1EBAA36C1490C393 |
| 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 | 968e2cd8d8e860d2 (7 x GuLoader, 4 x VIPKeylogger) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Cropland |
|---|---|
| Issuer: | Cropland |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-07-20T01:15:54Z |
| Valid to: | 2026-07-20T01:15:54Z |
| Serial number: | 517763570e7bdb0b3a862100a79c1b87b2c72570 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 09390722dd281c1e2c973f7f2ab7aeae07e88f98a8bd2789b0da7ba38608b77c |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
134
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
856dec955fb69a4bbc6fbe67482fe99c13a09955a36a9068f6620c44bfa97bfc
Verdict:
Malicious activity
Analysis date:
2025-10-10 09:39:45 UTC
Tags:
snake keylogger evasion telegram stealer
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:
92.5%
Tags:
injection uloader virus nsis
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file
Delayed writing of the file
Delayed reading of the file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context installer microsoft_visual_cc obfuscated overlay signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-16T04:44:00Z UTC
Last seen:
2025-10-12T01:35:00Z UTC
Hits:
~1000
Verdict:
Suspicious
Score:
89%
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.Trojan.Guloader
Status:
Malicious
First seen:
2025-09-16 07:42:05 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
21 of 36 (58.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 765 additional samples on MalwareBazaar
Result
Malware family:
vipkeylogger
Score:
10/10
Tags:
family:vipkeylogger collection discovery keylogger spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/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
VIPKeylogger
Vipkeylogger family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
SH256 hash:
856dec955fb69a4bbc6fbe67482fe99c13a09955a36a9068f6620c44bfa97bfc
MD5 hash:
117f5daa3882d897ab7b0191cc2f4335
SHA1 hash:
aa769a1cda87ba5d39e10652425a6d586aaa9471
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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.