MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 166e0b889d42908d544d47be2a2131793b150ea2f3f93ddd7e58669fd99586f8. 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


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 166e0b889d42908d544d47be2a2131793b150ea2f3f93ddd7e58669fd99586f8
SHA3-384 hash: 4f3adcdc8ec9107e7b12299512da3dabdee74a37cc752910ae3a3bc584e78a5f76ffa2a3dd913a6f11028a9bb123706f
SHA1 hash: baae95ec91d4834de956d969cf41ca5ee833d737
MD5 hash: 83c0f168151d8428d6bdd3fa7d47e9c5
humanhash: echo-oklahoma-item-victor
File name:2026 New Order_001122.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:246'728 bytes
First seen:2026-06-22 05:55:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (131 x GuLoader, 55 x Formbook, 40 x VIPKeylogger)
ssdeep 6144:nfY+onP0DXqtllGNCgx0y5c2ZgKAmaYxokhJS1X9qrwc:nfYgXSloNbzFompZhJSZ43
TLSH T11D341211B6D0D55BDDE3933038BAAD721AB27B9947EA1D43A3505A403FD3780462F3A7
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
dhash icon f8ccdcdcccdcdcd4 (2 x AgentTesla, 1 x GuLoader)
Reporter lowmal3
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Lucinda
Issuer:Lucinda
Algorithm:sha256WithRSAEncryption
Valid from:2026-05-26T00:50:06Z
Valid to:2027-05-26T00:50:06Z
Serial number: 0ff27a011e2e8a73353a78257728360ee107f282
Thumbprint Algorithm:SHA256
Thumbprint: 4106ab7bfb93d1de62c8b30c5f768c436982e6cb6119f9dffc422b1b1048452e
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
159
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
GuLoader NSIS
Details
Link:
https://research.acce.ciphertechsolutions.com/results/fb0f85e5-a4eb-460c-81f1-574e63e55257/
Malware family:
n/a
ID:
1
File name:
_166e0b889d42908d544d47be2a2131793b150ea2f3f93ddd7e58669fd99586f8.exe
Verdict:
Malicious activity
Analysis date:
2026-06-22 05:57:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c71dd7f4-61f6-47f8-99a3-f4d04bf927ae

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/71463/
Detection(s):
SecuriteInfo.com.Trojan.PowerShell.Agent.3702.25357.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a38ce601548daf709f8a0dd
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Delayed reading of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug base64 evasive installer installer installer-heuristic masquerade microsoft_visual_cc nsis reconnaissance signed
Link:
https://www.filescan.io/uploads/6a38ce5b9799578a6c44c158/reports/362b7e12-ad4b-4a9e-b4aa-d9fe0f5004bb/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/166e0b889d42908d544d47be2a2131793b150ea2f3f93ddd7e58669fd99586f8
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-22T02:36:00Z UTC
Last seen:
2026-06-24T04:40:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Win32.Androm.gen BSS:Trojan.Win32.Generic Trojan.Win32.Guloader.sb Trojan-Downloader.Win32.Minix.sb Exploit.Win64.Crun.e
Link:
https://opentip.kaspersky.com/166e0b889d42908d544d47be2a2131793b150ea2f3f93ddd7e58669fd99586f8/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9b6561cb-d0bd-4229-8d54-94be45565129
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1931578
Signature
AI detected suspicious PE digital signature
Attempt to bypass Chrome Application-Bound Encryption
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected Remcos RAT
Disable UAC(promptonsecuredesktop)
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Creation of an WerFault.exe in Unusual Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: Remcos
Suspicious WerFault Winsock library load
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1931578 Sample: 2026 New Order_001122.exe Startdate: 22/06/2026 Architecture: WINDOWS Score: 100 46 Multi AV Scanner detection for dropped file 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Attempt to bypass Chrome Application-Bound Encryption 2->50 52 13 other signatures 2->52 8 2026 New Order_001122.exe 1 34 2->8         started        process3 file4 30 C:\Users\user\AppData\Local\...\System.dll, PE32 8->30 dropped 56 Found direct / indirect Syscall (likely to bypass EDR) 8->56 12 2026 New Order_001122.exe 5 23 8->12         started        17 2026 New Order_001122.exe 8->17         started        signatures5 process6 dnsIp7 40 109.248.151.172, 49702, 80 RIXHOSTLV Netherlands 12->40 42 104.161.46.91, 2404, 49704, 49705 IOFLOOD-InputOutputFloodLLCUS United States 12->42 44 127.0.0.1 unknown unknown 12->44 32 C:\Users\user\AppData\Local\Temp\THA3BF.tmp, PE32 12->32 dropped 34 C:\Program Filesbehaviorgraphoogle\...\werfault.exe, PE32 12->34 dropped 36 C:\Users\user\AppData\...\cookies.sqlite-shm, data 12->36 dropped 38 3 other malicious files 12->38 dropped 58 Detected Remcos RAT 12->58 60 Tries to harvest and steal browser information (history, passwords, etc) 12->60 62 Writes to foreign memory regions 12->62 64 3 other signatures 12->64 19 werfault.exe 3 12->19         started        22 msedge.exe 6 12->22         started        24 WerFault.exe 21 16 12->24         started        26 2026 New Order_001122.exe 12->26         started        file8 signatures9 process10 signatures11 54 Suspicious WerFault Winsock library load 19->54 28 msedge.exe 22->28         started        process12
Score:
90%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/166e0b889d42908d544d47be2a2131793b150ea2f3f93ddd7e58669fd99586f8
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/83c0f168151d8428d6bdd3fa7d47e9c5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/166e0b889d42908d544d47be2a2131793b150ea2f3f93ddd7e58669fd99586f8/
Verdict:
Malicious
Threat:
Family.GULOADER
Link:
https://tip.neiki.dev/file/166e0b889d42908d544d47be2a2131793b150ea2f3f93ddd7e58669fd99586f8
Threat name:
Win32.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2026-06-22 05:28:15 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=czxaxce5ikii2vcni67cuijrpe5rkdvc6p4t3xl6lbtj7wmvq34a._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
error
GuLoader
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remoteagent adware collection credential_access discovery downloader persistence ransomware rat spyware stealer
Link:
https://tria.ge/reports/260622-gmvv3shs3j/
Behaviour
Checks SCSI registry key(s)
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Program Files directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks installed software on the system
Enumerates connected drives
Loads dropped DLL
Reads user/profile data of web browsers
Boot or Logon Autostart Execution: Active Setup
Uses browser remote debugging
Family: Guloader,Cloudeye
Family: Remcos
Malware Config
C2 Extraction:
127.0.0.1:2404
104.161.46.91:2404
Unpacked files
SH256 hash:
166e0b889d42908d544d47be2a2131793b150ea2f3f93ddd7e58669fd99586f8
MD5 hash:
83c0f168151d8428d6bdd3fa7d47e9c5
SHA1 hash:
baae95ec91d4834de956d969cf41ca5ee833d737
Link:
https://www.unpac.me/results/b12678e4-af53-42e3-9d62-168a744c4917/
SH256 hash:
23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
MD5 hash:
192639861e3dc2dc5c08bb8f8c7260d5
SHA1 hash:
58d30e460609e22fa0098bc27d928b689ef9af78
Link:
https://www.unpac.me/results/b12678e4-af53-42e3-9d62-168a744c4917/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/166e0b889d42/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.34
Link:
https://yomi.yoroi.company/submissions/166e0b889d42908d544d47be2a2131793b150ea2f3f93ddd7e58669fd99586f8

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.

Malspam

GuLoader

Executable exe 166e0b889d42908d544d47be2a2131793b150ea2f3f93ddd7e58669fd99586f8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/71463/

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