MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9a3723b46ce27ced371c4669b41496655976aa21e57cd1ffa00bdbc8ebe56a88. 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: | 9a3723b46ce27ced371c4669b41496655976aa21e57cd1ffa00bdbc8ebe56a88 |
|---|---|
| SHA3-384 hash: | d25f24f751f23e78ea14a31b8c9c019119eb864b6dc330eaef915a78901c391f9ba2f286d9a401738c5a7ef9eab67549 |
| SHA1 hash: | 34763acb7adf67a17f6636371314151c094f5c99 |
| MD5 hash: | 2fb585b6aacb7a938b3b6cbeac2322fc |
| humanhash: | charlie-grey-beer-glucose |
| File name: | 4sets MCF Proforma Invoice 2025.12.04.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 816'816 bytes |
| First seen: | 2026-02-02 09:03:25 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e2f3f8ec66b7e1900c37978aca89d3c5 (24 x GuLoader, 6 x RemcosRAT, 4 x AgentTesla) |
| ssdeep | 12288:tqNbg+WkHmuVJR7XFsJzsBn626Y3ZDv0GV81LWfQb6mohnzM:cbtWkH//R71asEbgZLl2Lt6Dhno |
| Threatray | 2'515 similar samples on MalwareBazaar |
| TLSH | T1A705F11F322CD1ACCAF92EB1F4266DF4860EAC125CA5409E76D973DE65F22F5031A50B |
| 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 | 01b333b6cec6ce00 (9 x GuLoader, 2 x PhantomStealer) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Sekretaeren |
|---|---|
| Issuer: | Sekretaeren |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-12-20T03:02:47Z |
| Valid to: | 2026-12-20T03:02:47Z |
| Serial number: | 3f90e989c14f369e705e9b159dfb24ee0b5863ae |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 1ad6540192732c466af92e5b9abbb19605424a09ee5d81ede5fbb2ab83b47c7a |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
154
Origin country :
HUVendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
4sets MCF Proforma Invoice 2025.12.04.exe
Verdict:
Malicious activity
Analysis date:
2026-02-02 09:07:33 UTC
Tags:
stealer phantom crypto-regex auto-reg ims-api generic telegram evasion
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
93.3%
Tags:
injection obfusc virus
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer installer installer-heuristic masquerade microsoft_visual_cc nsis signed soft-404
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-26T23:02:00Z UTC
Last seen:
2026-02-02T08:58:00Z UTC
Hits:
~1000
Detections:
Trojan-Downloader.Win32.Minix.cha Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sba PDM:Trojan.Win32.Generic Trojan-Downloader.Win32.Minix.sb
Verdict:
Unknown
Score:
98%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.PHANTOM
Threat name:
Win32.Trojan.Guloader
Status:
Suspicious
First seen:
2026-01-27 03:52:23 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'505 additional samples on MalwareBazaar
Result
Malware family:
phantom_stealer
Score:
10/10
Tags:
family:phantom_stealer collection discovery installer persistence spyware stealer
Behaviour
outlook_win_path
outlook_office_path
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Modifies registry class
Modifies data under HKEY_USERS
Enumerates system info in registry
Checks processor information in registry
NSIS installer
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Windows directory
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of NtCreateThreadExHideFromDebugger
Looks up external IP address via web service
Contacts third-party web service commonly abused for C2
Adds Run key to start application
Accesses Microsoft Outlook profiles
Reads user/profile data of web browsers
Loads dropped DLL
Executes dropped EXE
Phantom_stealer family
PhantomStealer
Detects PhantomStealer payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot8592806182:AAF72mvzuK8MCCtXjEzHFdwbZjM1JBeAQJo/sendMessage?chat_id=1584484420
Unpacked files
SH256 hash:
9a3723b46ce27ced371c4669b41496655976aa21e57cd1ffa00bdbc8ebe56a88
MD5 hash:
2fb585b6aacb7a938b3b6cbeac2322fc
SHA1 hash:
34763acb7adf67a17f6636371314151c094f5c99
SH256 hash:
7853be9190489ba84dae8232e9a967cec02d941732cb4137bc9ae6a392e89fb8
MD5 hash:
3fbd78c889fa40a2e5567b980c57b7db
SHA1 hash:
303564bfa6fd5ab7a65d35ae1cd14a05643b6b5d
SH256 hash:
a44ca08afb3f6bafd76aa35c259f3d599fe34f6f49ea5118626c1c1a540b0f03
MD5 hash:
81e268e27dbbcadbf116b5a9402195ab
SHA1 hash:
bd2b701b2e5e279786e179bceee2dc132a2afc37
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: | Ins_NSIS_Buer_Nov_2020_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect NSIS installer used for Buer loader |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
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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