MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbf36dec7765e512c6e5d08fc0f039a0ece0335e8df127e9f4a72ff2b89c3b4a. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fbf36dec7765e512c6e5d08fc0f039a0ece0335e8df127e9f4a72ff2b89c3b4a
SHA3-384 hash: 53b08ea0fb89015871ec6297959b60aba39c830f16d5c35a0f406919f9fe81cf795252d92e8246288c303fb92999c20c
SHA1 hash: 805c1d00fe0f176937c233e1db0d6c0da2a90917
MD5 hash: 67d588e17bffd29e8dadbc569e68b4ea
humanhash: juliet-stream-stairway-tennessee
File name:Demo Project.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:393'032 bytes
First seen:2023-11-24 16:02:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4f67aeda01a0484282e8c59006b0b352 (51 x GuLoader, 9 x RemcosRAT, 9 x VIPKeylogger)
ssdeep 6144:c1onyfedJjExibcFHk3knPhwt1OWRiM5+ZwhNvcKNDvanBHvm4q4U8XA+YUw55pQ:koyfUJQxiiHk3kPhEPRiPZwkSDMtvmK3
Threatray 3'055 similar samples on MalwareBazaar
TLSH T1A784225A26B005EBE4079BB257F2FB5A6AFDEB2204B08C4337550E7B1C653C6AD0C351
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
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) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter Anonymous
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-06-27T09:55:42Z
Valid to:2026-06-26T09:55:42Z
Serial number: 5626b56b5998b754ff2c7c80e6eee03e3bb639ab
Thumbprint Algorithm:SHA256
Thumbprint: ae1e7a4a10277d138082027f8bcee4bc429441c71a340b75912ca81a3fafb8f2
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
316
Origin country :
CH CH
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/460041/
Detection(s):
SecuriteInfo.com.Adware.Generic12.HOD.14374.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Searching for the window
Creating a process from a recently created file
Launching a process
Unauthorized injection to a recently created process by context flags manipulation
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/6560c9367485e5b1ecb9e14d/reports/b246beeb-3260-443e-84e3-58fc3ebc3c5f/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/fbf36dec7765e512c6e5d08fc0f039a0ece0335e8df127e9f4a72ff2b89c3b4a
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/48e3d2b8-d621-4a5c-b6a8-1503f6f8089c
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1347508
Signature
Antivirus detection for URL or domain
Contains functionality to modify clipboard data
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Very long command line found
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1347508 Sample: Demo_Project.exe Startdate: 24/11/2023 Architecture: WINDOWS Score: 100 40 geoplugin.net 2->40 54 Snort IDS alert for network traffic 2->54 56 Antivirus detection for URL or domain 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 6 other signatures 2->60 10 Demo_Project.exe 1 40 2->10         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\BgImage.dll, PE32 10->34 dropped 36 C:\Users\user\AppData\Local\...\Banner.dll, PE32 10->36 dropped 38 C:\Users\user\AppData\Local\...\AdvSplash.dll, PE32 10->38 dropped 13 powershell.exe 12 10->13         started        process6 signatures7 74 Suspicious powershell command line found 13->74 76 Very long command line found 13->76 78 Found suspicious powershell code related to unpacking or dynamic code loading 13->78 16 powershell.exe 13 13->16         started        19 conhost.exe 13->19         started        process8 signatures9 48 Writes to foreign memory regions 16->48 50 Maps a DLL or memory area into another process 16->50 52 Hides threads from debuggers 16->52 21 wab.exe 4 13 16->21         started        process10 dnsIp11 42 64.188.12.82, 49731, 80 ASN-QUADRANET-GLOBALUS United States 21->42 44 geoplugin.net 178.237.33.50, 49740, 80 ATOM86-ASATOM86NL Netherlands 21->44 46 107.150.18.214, 2404, 49738, 49739 ASN-QUADRANET-GLOBALUS United States 21->46 62 Writes to foreign memory regions 21->62 64 Maps a DLL or memory area into another process 21->64 66 Hides threads from debuggers 21->66 25 wab.exe 21->25         started        28 wab.exe 21->28         started        30 wab.exe 14 21->30         started        32 33 other processes 21->32 signatures12 process13 signatures14 68 Tries to steal Instant Messenger accounts or passwords 25->68 70 Tries to steal Mail credentials (via file / registry access) 25->70 72 Tries to harvest and steal browser information (history, passwords, etc) 28->72
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fbf36dec7765e512c6e5d08fc0f039a0ece0335e8df127e9f4a72ff2b89c3b4a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fbf36dec7765e512c6e5d08fc0f039a0ece0335e8df127e9f4a72ff2b89c3b4a/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-11-24 13:00:24 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
13 of 23 (56.52%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7pzw33dxmxsrfrxf2ch4b4bzudwoam26rxysp2puu4x7foe4hnfa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
045b514767dbbe5c411284ea83b2d47b62b1f7a258f866871bfebc14667ef5e6
GuLoader
1aee775c13151f0853c02dbd804ad25f1ea6b3c5db6312760d67af89e689845a
GuLoader
39cfed9bc36a60d1b187120ab4915411ab74110c601c3662ca0c1bcadf114d01
GuLoader
4dc004e3df7a834d16e8510e90b61e5b211dbef9e563c9d5471ae9ec9f7b9a2c
GuLoader
87889f8e467ad320665a7205170c8f238076d87303822694d3064b9511913169
GuLoader
9707c1faa4b7191af96f2879472c6bb368eef29b80d917dc9dc197f92ae86b8f
GuLoader
e32a2cbc74a18c6807c21d5c8c72c5c315b9fdbf71792bb5f0feefb1ef61c509
GuLoader
+ 3'045 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:logs collection downloader rat
Link:
https://tria.ge/reports/231124-thb9dsce23/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Loads dropped DLL
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Guloader,Cloudeye
Remcos
Malware Config
C2 Extraction:
107.150.18.214:2404
Unpacked files
SH256 hash:
227a52e0785b070baf673c4d97d28ced967c3c01ea62bd1da5f5c593940919db
MD5 hash:
3138dac7ef0377dc6a37ba84dc56badd
SHA1 hash:
ec071ccfd71645a8c5d0687f7d12f04ec432dc6c
Link:
https://www.unpac.me/results/746f1843-ac10-477e-861c-96b50a994777/
SH256 hash:
2e9845f77e55c8932406f9179f7d3fe037986e0b5277cc2eca6c27e42f12482a
MD5 hash:
5fe4ea81a3bc8737724da4b12f8b2975
SHA1 hash:
31cc375439116a2d6d3480d522b90aef82ee8b29
Link:
https://www.unpac.me/results/746f1843-ac10-477e-861c-96b50a994777/
SH256 hash:
510e466a715933499fb9d5a1753b483826b2bf89161b9d466dd2ad7e52ede2fc
MD5 hash:
c22c9d7b6937b8960fba4c8a145076b2
SHA1 hash:
2e45c2dd6e5132a942fe940dccdaf771e0f9e81e
Link:
https://www.unpac.me/results/746f1843-ac10-477e-861c-96b50a994777/
SH256 hash:
9bf33690090655e91389469beb5dbdd45942192f2e2486c9fa82fa6d74a0f88b
MD5 hash:
15d8eee287329e2030c34c6bb3e62c87
SHA1 hash:
1de23c0883f7a80a489e140c55b16970dd0264ab
Link:
https://www.unpac.me/results/746f1843-ac10-477e-861c-96b50a994777/
SH256 hash:
9c7570cdb0815dcef5310ebd76c10e3e2261adc671523889a8a478132e1f83d8
MD5 hash:
cebdd62f984b427233a3cb9167c6f714
SHA1 hash:
142e3857174bf62fd87ff049476c48614b6a697e
Link:
https://www.unpac.me/results/746f1843-ac10-477e-861c-96b50a994777/
SH256 hash:
fbf36dec7765e512c6e5d08fc0f039a0ece0335e8df127e9f4a72ff2b89c3b4a
MD5 hash:
67d588e17bffd29e8dadbc569e68b4ea
SHA1 hash:
805c1d00fe0f176937c233e1db0d6c0da2a90917
Link:
https://www.unpac.me/results/746f1843-ac10-477e-861c-96b50a994777/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fbf36dec7765/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fbf36dec7765e512c6e5d08fc0f039a0ece0335e8df127e9f4a72ff2b89c3b4a

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:QbotStuff
Create hunting rule
Author:anonymous

File information

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

Malspam

GuLoader

Executable exe fbf36dec7765e512c6e5d08fc0f039a0ece0335e8df127e9f4a72ff2b89c3b4a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/460041/

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