MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fcdd4537ec83aaf87a05f6e86379688dc2ff70d378855ab84b64d50c8e2e3496. 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
Threat unknown
Vendor detections: 14
| SHA256 hash: | fcdd4537ec83aaf87a05f6e86379688dc2ff70d378855ab84b64d50c8e2e3496 |
|---|---|
| SHA3-384 hash: | d29ca83ad746da7cae7ce64fc3a6a1b183ee08f4c3657902ae5a5a56b6a865b74da8a47e22772e049c2b7f3450beb1ed |
| SHA1 hash: | 26138b4ab595a8a21f4034c1212d9dbe41ebe7b1 |
| MD5 hash: | 65ea352a3e1c058b9d35b4df8c3f5ae5 |
| humanhash: | jupiter-north-maine-white |
| File name: | upbot.exe |
| Download: | download sample |
| File size: | 6'977'104 bytes |
| First seen: | 2026-02-23 10:53:44 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | dcaf48c1f10b0efa0a4472200f3850ed (47 x BlankGrabber, 23 x Efimer, 19 x PythonStealer) |
| ssdeep | 196608:c0aFrDCsXDjDyfmdJolpPgToa10/UFOnJw/VjnV5:cLFrDCEDLJ83a10MssVjn |
| TLSH | T1C466339495D015A6EC27A13EDA32C425DAB238B75761CBCF06A443A77F276E4483EF03 |
| TrID | 70.9% (.EXE) InstallShield setup (43053/19/16) 10.7% (.EXE) Win64 Executable (generic) (6522/11/2) 8.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 3.3% (.EXE) OS/2 Executable (generic) (2029/13) 3.3% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| Reporter |  abuse_ch |
| Tags: | exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
124
Origin country :
SEVendor Threat Intelligence
Malware configuration found for:
PyInstaller
Details
PyInstaller
a compiled assembly and a Python version
Malware family:
n/a
ID:
1
File name:
upbot.exe
Verdict:
Malicious activity
Analysis date:
2026-02-22 10:56:49 UTC
Tags:
python auto-startup pyinstaller pastebin
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:
99.9%
Tags:
vmdetect autorun
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Creating a window
DNS request
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
expand installer-heuristic lolbin microsoft_visual_cc overlay packed pyinstaller
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x64
Detections:
PDM:Trojan.Win32.Generic Trojan.Win64.Agent.smfoau Trojan.Win64.Agent.sb
Verdict:
Unknown
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
Antivirus detection for URL or domain
Found pyInstaller with non standard icon
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2026-02-22 10:55:36 UTC
File Type:
PE+ (Exe)
Extracted files:
788
AV detection:
10 of 36 (27.78%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
pyinstaller
Behaviour
Suspicious use of WriteProcessMemory
Loads dropped DLL
Unpacked files
SH256 hash:
fcdd4537ec83aaf87a05f6e86379688dc2ff70d378855ab84b64d50c8e2e3496
MD5 hash:
65ea352a3e1c058b9d35b4df8c3f5ae5
SHA1 hash:
26138b4ab595a8a21f4034c1212d9dbe41ebe7b1
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerException__SetConsoleCtrl |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Detect_PyInstaller |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects PyInstaller compiled executables across platforms |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | PyInstaller |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies executable converted using PyInstaller. This rule by itself does NOT necessarily mean the detected file is malicious. |
| Rule name: | upxHook |
|---|---|
| Author: | @r3dbU7z |
| Description: | Detect artifacts from 'upxHook' - modification of UPX packer |
| Reference: | https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/ |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
exe fcdd4537ec83aaf87a05f6e86379688dc2ff70d378855ab84b64d50c8e2e3496
(this sample)
Delivery method
Distributed via web download
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