MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bac00be71feb7f3f3091eb54d53771e21eee2c422f148e8524bb09e1827e2b70. 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: 12
| SHA256 hash: | bac00be71feb7f3f3091eb54d53771e21eee2c422f148e8524bb09e1827e2b70 |
|---|---|
| SHA3-384 hash: | 1302af5ae54a66471976f537b8ab07448386dcc2afa82e782ff88dd8a5670eece113d122af7017cc3cffd13685d68b5a |
| SHA1 hash: | c036904eb33bea542b242b301658e109e1542a5f |
| MD5 hash: | c264e434f072fd7d7b4bd11689e7579e |
| humanhash: | carpet-kansas-pennsylvania-spaghetti |
| File name: | bac00be71feb7f3f3091eb54d53771e21eee2c422f148e8524bb09e1827e2b70 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 888'480 bytes |
| First seen: | 2025-12-08 15:58:31 UTC |
| Last seen: | 2026-01-09 15:14:54 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 6e7f9a29f2c85394521a08b9f31f6275 (326 x GuLoader, 65 x AgentTesla, 63 x RemcosRAT) |
| ssdeep | 24576:5TSIR8kemGEESqCLfatdR4jDarplizvogK:5TSIKkem8dg+OvLK |
| TLSH | T101159E763A80C7EFCEA1BEB279264C7867529DEF511457B7238333C907FA5A29832501 |
| 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 | 630cfce6bee0c10c (2 x SnakeKeylogger, 1 x VIPKeylogger, 1 x GuLoader) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Philarchaist |
|---|---|
| Issuer: | Philarchaist |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-11-17T04:06:17Z |
| Valid to: | 2026-11-17T04:06:17Z |
| Serial number: | 7fde9bba444bba82ef0d49bd502ca0cbf2ed72c0 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 6af4ab6dd40f92ec8fbc20d0284879d9ac74859667ec6f0b97ecc2a28623a8ab |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
115
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
GuLoader
NSIS
Details
GuLoader
a c2 URL, a useragent string, and a string XOR key
GuLoader
an XOR decryption key and an extracted component
NSIS
extracted archive contents
Malware family:
n/a
ID:
1
File name:
bac00be71feb7f3f3091eb54d53771e21eee2c422f148e8524bb09e1827e2b70
Verdict:
Malicious activity
Analysis date:
2025-12-08 14:11:49 UTC
Tags:
evasion snake keylogger telegram stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Verdict:
Malicious
Score:
95.7%
Tags:
injection virus blic
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Delayed reading of the file
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-27T06:25:00Z UTC
Last seen:
2025-12-09T05:20:00Z UTC
Hits:
~100
Gathering data
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.Trojan.GuLoader
Status:
Malicious
First seen:
2025-11-27 10:02:41 UTC
File Type:
PE (Exe)
Extracted files:
30
AV detection:
15 of 36 (41.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
vipkeylogger
Score:
10/10
Tags:
family:guloader family:vipkeylogger collection discovery downloader 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
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
Guloader family
Guloader,Cloudeye
VIPKeylogger
Vipkeylogger family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506
MD5 hash:
6e55a6e7c3fdbd244042eb15cb1ec739
SHA1 hash:
070ea80e2192abc42f358d47b276990b5fa285a9
SH256 hash:
c719697d5ced17d97bbc48662327339ccec7e03f6552aa1d5c248f6fa5f16324
MD5 hash:
ca5bb0ee2b698869c41c087c9854487c
SHA1 hash:
4a8abbb2544f1a9555e57a142a147dfeb40c4ca4
SH256 hash:
bac00be71feb7f3f3091eb54d53771e21eee2c422f148e8524bb09e1827e2b70
MD5 hash:
c264e434f072fd7d7b4bd11689e7579e
SHA1 hash:
c036904eb33bea542b242b301658e109e1542a5f
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: | 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.
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