MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f70d4b4fc9941796d149798614345b8e8bf6e0c69022ac407cb8b03bf26fdc7c. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: f70d4b4fc9941796d149798614345b8e8bf6e0c69022ac407cb8b03bf26fdc7c
SHA3-384 hash: 81f3cdd4fd620705279d16f2b265975911dea3f01737281d94e4dd74bce263baec234e2a0596478b7ee2d909ca456266
SHA1 hash: 64c5e81ecf070a883449da116b32ff9ec2424ec2
MD5 hash: e1e74f7b6ea36f53d5bfd155fbd58589
humanhash: carpet-montana-angel-king
File name:Setup.exe
Download: download sample
Signature GuLoader
File size:205'312 bytes
First seen:2021-08-06 16:32:29 UTC
Last seen:2021-08-06 18:14:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5b0cded5ac3f92d9987bf6aa3679ca08 (1 x GuLoader)
ssdeep 3072:gmvsPYPdfPC0/gS56CmMUEcPbcjN4U8yYBVt5UxB/ncfwNQd1kFz/hDuxWUE+3iO:gm1BPs0iMbUTt5UHncfcE1kvuxWZHsX
Threatray 305 similar samples on MalwareBazaar
TLSH T11F144934B641B426E8B30439A8AD97F5552C7A301BA098FFB7C58F3D4A752D2D630E27
Reporter KinLoo092
Tags:djvu exe GuLoader Ransomware Stop


Avatar
KinLoo092
Fake driver setup file at only 201kb.

Intelligence


File Origin
# of uploads :
2
# of downloads :
1'211
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Setup.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-06 16:33:33 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending an HTTP GET request
DNS request
Sending a custom TCP request
Creating a file
Deleting a recently created file
Reading critical registry keys
Creating a process from a recently created file
Creating a process with a hidden window
Sending a UDP request
Creating a window
Running batch commands
Launching the default Windows debugger (dwwin.exe)
Creating a file in the %temp% subdirectories
Launching a process
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
Searching for the window
Sending an HTTP POST request
Blocking the Windows Defender launch
Unauthorized injection to a recently created process
Launching a tool to kill processes
Unauthorized injection to a recently created process by context flags manipulation
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Backstage Stealer Glupteba Metasploit Re
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Antivirus detection for URL or domain
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject code into remote processes
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disable Windows Defender real time protection (registry)
DLL reload attack detected
Drops PE files to the document folder of the user
Found many strings related to Crypto-Wallets (likely being stolen)
Found Tor onion address
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
May modify the system service descriptor table (often done to hook functions)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Query firmware table information (likely to detect VMs)
Renames NTDLL to bypass HIPS
Sample uses process hollowing technique
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected AntiVM3
Yara detected Backstage Stealer
Yara detected Glupteba
Yara detected Metasploit Payload
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Socelars
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 460856 Sample: Setup.exe Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 59 142.250.74.193 GOOGLEUS United States 2->59 61 216.58.212.174 GOOGLEUS United States 2->61 63 3 other IPs or domains 2->63 81 Antivirus detection for URL or domain 2->81 83 Antivirus detection for dropped file 2->83 85 Multi AV Scanner detection for dropped file 2->85 87 19 other signatures 2->87 8 Setup.exe 4 65 2->8         started        signatures3 process4 dnsIp5 65 37.0.11.8 WKD-ASIE Netherlands 8->65 67 37.0.11.9 WKD-ASIE Netherlands 8->67 69 15 other IPs or domains 8->69 33 C:\Users\...\wE1pkAQPcOR7EvYbjxUQ81oo.exe, PE32 8->33 dropped 35 C:\Users\...\syCVNFCVANDpuSBFraFYFrLa.exe, PE32 8->35 dropped 37 C:\Users\...\qoaw54Cy7zXPn0gkpRuKyZ9L.exe, PE32 8->37 dropped 39 41 other files (29 malicious) 8->39 dropped 95 Drops PE files to the document folder of the user 8->95 97 Creates HTML files with .exe extension (expired dropper behavior) 8->97 99 Disable Windows Defender real time protection (registry) 8->99 13 R4HFFbttQggLTFG31szIDyUu.exe 8->13         started        18 2S7C_jIXVY6_TeogqFksE2wy.exe 8->18         started        20 9LA3tVDpRA2X8z35XDL0nN2g.exe 8->20         started        22 18 other processes 8->22 file6 signatures7 process8 dnsIp9 71 23.88.49.119 ENZUINC-US United States 13->71 73 74.114.154.22 AUTOMATTICUS Canada 13->73 41 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 13->41 dropped 43 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->43 dropped 45 C:\Users\user\AppData\...\mozglue[1].dll, PE32 13->45 dropped 55 9 other files (none is malicious) 13->55 dropped 101 Detected unpacking (changes PE section rights) 13->101 103 Detected unpacking (overwrites its own PE header) 13->103 105 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->105 123 2 other signatures 13->123 107 Contains functionality to inject code into remote processes 18->107 109 Injects a PE file into a foreign processes 18->109 24 2S7C_jIXVY6_TeogqFksE2wy.exe 18->24         started        47 C:\Users\user\AppData\Local\Temp\CC4F.tmp, PE32 20->47 dropped 111 DLL reload attack detected 20->111 113 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 20->113 115 Renames NTDLL to bypass HIPS 20->115 117 Checks if the current machine is a virtual machine (disk enumeration) 20->117 75 208.95.112.1 TUT-ASUS United States 22->75 77 95.181.178.166 NEOHOST-ASUA Russian Federation 22->77 79 7 other IPs or domains 22->79 49 C:\Users\user\AppData\...\jfiag3g_gg.exe, PE32 22->49 dropped 51 C:\Program Files (x86)\...\md8_8eus.exe, PE32 22->51 dropped 53 C:\Program Files (x86)\Company\...\jooyu.exe, PE32 22->53 dropped 57 6 other files (1 malicious) 22->57 dropped 119 Query firmware table information (likely to detect VMs) 22->119 121 Tries to detect sandboxes and other dynamic analysis tools (window names) 22->121 125 3 other signatures 22->125 27 jfiag3g_gg.exe 22->27         started        29 conhost.exe 22->29         started        31 conhost.exe 22->31         started        file10 signatures11 process12 signatures13 89 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 24->89 91 Checks if the current machine is a virtual machine (disk enumeration) 24->91 93 Tries to harvest and steal browser information (history, passwords, etc) 27->93
Threat name:
Win32.Trojan.Bsymem
Status:
Malicious
First seen:
2021-08-06 16:33:05 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:glupteba family:metasploit family:redline family:smokeloader family:socelars family:vidar botnet:1k r botnet:6k_51k_test botnet:916 botnet:921 botnet:937 botnet:973 backdoor discovery dropper evasion infostealer loader spyware stealer suricata themida trojan upx vmprotect
Behaviour
Checks SCSI registry key(s)
Delays execution with timeout.exe
Download via BitsAdmin
Kills process with taskkill
Modifies registry class
Modifies system certificate store
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Themida packer
Downloads MZ/PE file
Executes dropped EXE
UPX packed file
VMProtect packed file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Nirsoft
Vidar Stealer
Glupteba
Glupteba Payload
MetaSploit
Modifies Windows Defender Real-time Protection settings
Process spawned unexpected child process
RedLine
RedLine Payload
SmokeLoader
Socelars
Socelars Payload
Suspicious use of NtCreateProcessExOtherParentProcess
Vidar
suricata: ET MALWARE GCleaner Downloader Activity M1
suricata: ET MALWARE Generic Password Stealer User Agent Detected (RookIE)
suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)
suricata: ET MALWARE Possible Dridex Download URI Struct with no referer
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
45.14.49.117:14251
http://readinglistforjuly1.xyz/
http://readinglistforjuly2.xyz/
http://readinglistforjuly3.xyz/
http://readinglistforjuly4.xyz/
http://readinglistforjuly5.xyz/
http://readinglistforjuly6.xyz/
http://readinglistforjuly7.xyz/
http://readinglistforjuly8.xyz/
http://readinglistforjuly9.xyz/
http://readinglistforjuly10.xyz/
http://readinglistforjuly1.site/
http://readinglistforjuly2.site/
http://readinglistforjuly3.site/
http://readinglistforjuly4.site/
http://readinglistforjuly5.site/
http://readinglistforjuly6.site/
http://readinglistforjuly7.site/
http://readinglistforjuly8.site/
http://readinglistforjuly9.site/
http://readinglistforjuly10.site/
http://readinglistforjuly1.club/
http://readinglistforjuly2.club/
http://readinglistforjuly3.club/
http://readinglistforjuly4.club/
http://readinglistforjuly5.club/
http://readinglistforjuly6.club/
http://readinglistforjuly7.club/
http://readinglistforjuly8.club/
http://readinglistforjuly9.club/
http://readinglistforjuly10.club/
http://conceitosseg.com/upload/
http://integrasidata.com/upload/
http://ozentekstil.com/upload/
http://finbelportal.com/upload/
http://telanganadigital.com/upload/
https://prophefliloc.tumblr.com/
densalenge.xyz:80
Unpacked files
SH256 hash:
f70d4b4fc9941796d149798614345b8e8bf6e0c69022ac407cb8b03bf26fdc7c
MD5 hash:
e1e74f7b6ea36f53d5bfd155fbd58589
SHA1 hash:
64c5e81ecf070a883449da116b32ff9ec2424ec2
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

GuLoader

Executable exe f70d4b4fc9941796d149798614345b8e8bf6e0c69022ac407cb8b03bf26fdc7c

(this sample)

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