MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16131fdd48c28529684d83a0687e3500e70c6abd8d86fbaefd49cbfdff57f5ff. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 16131fdd48c28529684d83a0687e3500e70c6abd8d86fbaefd49cbfdff57f5ff
SHA3-384 hash: 8848951f155808551fe21de3831cec14529ef3f8ebdf187eccd657cce0a5a4737a3e303f68d394826fed4fe7e2ecd360
SHA1 hash: 8903d9554c088f185ad7d8671d4e429adbb76e7e
MD5 hash: fe2a6761da82e99dbdf387aba9b8dd89
humanhash: triple-charlie-illinois-cardinal
File name:Taoister.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:445'840 bytes
First seen:2026-03-16 12:46:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4ea4df5d94204fc550be1874e1b77ea7 (245 x GuLoader, 31 x RemcosRAT, 26 x VIPKeylogger)
ssdeep 6144:6B+pgU8ZHm5GjJ6PTQvcwCW5YG1Fe2bdSSufD02Un0sllit+ma9/cqGIHwBRvkha:6gwHmebvT9rSkdSFfDZU0AVdkqCRJp
Threatray 4'592 similar samples on MalwareBazaar
TLSH T1DA94E0154BA7981BD9D6173184A2DB325A74EE402D31D68B13C8FE4B3DF2BC0F946297
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter James_inthe_box
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Engangsemballagernes
Issuer:Engangsemballagernes
Algorithm:sha256WithRSAEncryption
Valid from:2026-01-18T05:45:05Z
Valid to:2027-01-18T05:45:05Z
Serial number: 7949004124925fb4e11701314789209f479d24ca
Thumbprint Algorithm:SHA256
Thumbprint: fd8109472037f9651a7863c8ea8a1a3b884ee6d55ae68e541b74695e07227c22
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
152
Origin country :
US US
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/4ad8f2b5-cf15-409a-b5e7-586513923944/
Malware family:
n/a
ID:
1
File name:
Taoister.exe
Verdict:
Malicious activity
Analysis date:
2026-03-16 12:46:27 UTC
Tags:
auto-reg phantom stealer crypto-regex ims-api generic telegram evasion
Link:
https://app.any.run/tasks/94a02bd0-f0e1-4142-a691-d27ec075f27b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/57636/
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69b7fb9a88c80c01586ac284
Tags:
injection obfusc virus
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
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug installer installer installer-heuristic microsoft_visual_cc nsis signed soft-404
Link:
https://www.filescan.io/uploads/69b7fb99493cb7d62dffee50/reports/b79b299c-31a7-458d-9d77-c739405d365e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/16131fdd48c28529684d83a0687e3500e70c6abd8d86fbaefd49cbfdff57f5ff
Verdict:
Malicious
File Type:
exe x32
Detections:
Trojan-Downloader.Win32.Minix.sb Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sbd Trojan.NSIS.Makoob.sbb HEUR:Trojan-Downloader.Win32.Minix.gen
Link:
https://opentip.kaspersky.com/16131fdd48c28529684d83a0687e3500e70c6abd8d86fbaefd49cbfdff57f5ff/results?tab=lookup
Malware family:
NSIS
Create hunting rule
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/47a363f6-00bb-4339-81a7-e649c9e4c463
Score:
88%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/16131fdd48c28529684d83a0687e3500e70c6abd8d86fbaefd49cbfdff57f5ff
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/fe2a6761da82e99dbdf387aba9b8dd89
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/16131fdd48c28529684d83a0687e3500e70c6abd8d86fbaefd49cbfdff57f5ff/
Verdict:
Malicious
Threat:
Family.PHANTOM
Link:
https://tip.neiki.dev/file/16131fdd48c28529684d83a0687e3500e70c6abd8d86fbaefd49cbfdff57f5ff
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2026-03-13 12:42:43 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cyjr7xkiykcss2cnqoqgq7rvadtqy2v5rwdpxlx5jhf7372x6x7q._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
307b13c2f8002e88af027d2c549936d08a47d1e3bfa96174d0b5b6cc749f7c3d
GuLoader
448234787d7924280fedbb49f5702f0483ef8046394f8adc14006f3f8b6793b2
GuLoader
67012c9555804fbfe82f17ee6d7d09196ed356053e2e778f49a998a4b718d6a6
GuLoader
691b3c73fa3301b9c36de80df0e7aa9d551a87ccc77a04b93786d6f1f5a41969
GuLoader
86ec76a64ac162f4699a584a6fbdcf08c6bdfc5e5714e2052b954a7be85e6efc
GuLoader
9707c1faa4b7191af96f2879472c6bb368eef29b80d917dc9dc197f92ae86b8f
GuLoader
ab2036dc90a503a003ed28e17ed2cf24001848be05580b6246656f88abe01c86
GuLoader
ba0f881b0462cfdac753320699ef91fff494497e9fe3ac5c3b9af951f0e14b4f
GuLoader
error
GuLoader
+ 4'582 additional samples on MalwareBazaar
Result
Malware family:
phantom_stealer
Create hunting rule
Score:
  10/10
Tags:
family:phantom_stealer collection discovery persistence spyware stealer
Link:
https://tria.ge/reports/260316-pzq2naaw2q/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Adds Run key to start application
Contacts third-party web service commonly abused for C2
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Detects PhantomStealer written in C#
PhantomStealer
Phantom_stealer family
Malware Config
C2 Extraction:
https://api.telegram.org/bot8676391589:AAHTKbZEAvX68o3eEKS473PsZrHlBhXct70/sendMessage?chat_id=8277275661
Unpacked files
SH256 hash:
16131fdd48c28529684d83a0687e3500e70c6abd8d86fbaefd49cbfdff57f5ff
MD5 hash:
fe2a6761da82e99dbdf387aba9b8dd89
SHA1 hash:
8903d9554c088f185ad7d8671d4e429adbb76e7e
Link:
https://www.unpac.me/results/158b930c-9387-42a0-9aae-16413ec7d815/
SH256 hash:
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
MD5 hash:
a4dd044bcd94e9b3370ccf095b31f896
SHA1 hash:
17c78201323ab2095bc53184aa8267c9187d5173
Link:
https://www.unpac.me/results/158b930c-9387-42a0-9aae-16413ec7d815/
Malware family:
PhantomStealer
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/16131fdd48c2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/16131fdd48c28529684d83a0687e3500e70c6abd8d86fbaefd49cbfdff57f5ff

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
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/57636/

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