MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0394b5d83b6fa63b6c661265ce44b6036027af24c5c316050b607647a73d3541. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 0394b5d83b6fa63b6c661265ce44b6036027af24c5c316050b607647a73d3541
SHA3-384 hash: 3e50c57e07ded82d8a44368659608f900ffb582a8490f65cb55f009e421c02551483b956b80e936040690dc3555dc8d8
SHA1 hash: c77dc06f26f39b94105725efab44c9a9ff616323
MD5 hash: e9dff4cd2ef1cc2d7ed59ea46736e08b
humanhash: diet-fanta-tango-purple
File name:file
Download: download sample
Signature GuLoader
File size:744'001 bytes
First seen:2023-06-07 19:15:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (274 x GuLoader, 36 x RemcosRAT, 23 x AgentTesla)
ssdeep 12288:dgQ44tKHd3nw25aVHemM/njQcNnh1qMLPxqho:d0CKVra49njzLPxJ
Threatray 753 similar samples on MalwareBazaar
TLSH T1CAF4BFA2F500805FDE25183FF9B6765C2AA16FED548A76E12350B7C71D32A42C78F60B
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 f2a286869e98f070 (4 x GuLoader, 3 x AZORult)
Reporter jstrosch
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
273
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DRAFT-PO-OTHPCH-JABVI23.docx
Verdict:
Malicious activity
Analysis date:
2023-06-07 10:59:03 UTC
Tags:
opendir exploit cve-2017-11882 loader

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Searching for the window
Creating a file
Delayed reading of the file
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
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.
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 883652 Sample: file.exe Startdate: 07/06/2023 Architecture: WINDOWS Score: 100 36 lazo1t.shop 2->36 38 93-103-1-247.static.t-2.net 2->38 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Antivirus detection for URL or domain 2->48 50 3 other signatures 2->50 9 file.exe 7 49 2->9         started        signatures3 process4 file5 24 C:\Users\...\CLI_Wrapper_ScenarioProfile.dll, PE32+ 9->24 dropped 26 C:\Users\user\AppData\Local\...\System.dll, PE32 9->26 dropped 52 Self deletion via cmd or bat file 9->52 54 Tries to detect Any.run 9->54 13 file.exe 63 9->13         started        signatures6 process7 dnsIp8 40 lazo1t.shop 188.114.96.3, 50120, 50121, 80 CLOUDFLARENETUS European Union 13->40 42 93-103-1-247.static.t-2.net 93.103.1.247, 50119, 80 T-2-ASASsetpropagatedbyT-2dooSI Slovenia 13->42 28 C:\Users\user\AppData\...\vcruntime140.dll, PE32 13->28 dropped 30 C:\Users\user\AppData\Local\...\ucrtbase.dll, PE32 13->30 dropped 32 C:\Users\user\AppData\Local\...\softokn3.dll, PE32 13->32 dropped 34 45 other files (none is malicious) 13->34 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->56 58 Tries to steal Instant Messenger accounts or passwords 13->58 60 Tries to steal Mail credentials (via file / registry access) 13->60 62 6 other signatures 13->62 18 cmd.exe 1 13->18         started        file9 signatures10 process11 process12 20 conhost.exe 18->20         started        22 timeout.exe 1 18->22         started       
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-06-07 14:18:20 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:azorult family:guloader collection discovery downloader infostealer spyware stealer trojan
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks QEMU agent file
Deletes itself
Loads dropped DLL
Reads data files stored by FTP clients
Reads local data of messenger clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Azorult
Guloader,Cloudeye
Malware Config
C2 Extraction:
http://lazo1t.shop/MICH2/index.php
Unpacked files
SH256 hash:
f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
MD5 hash:
8b3830b9dbf87f84ddd3b26645fed3a0
SHA1 hash:
223bef1f19e644a610a0877d01eadc9e28299509
SH256 hash:
0394b5d83b6fa63b6c661265ce44b6036027af24c5c316050b607647a73d3541
MD5 hash:
e9dff4cd2ef1cc2d7ed59ea46736e08b
SHA1 hash:
c77dc06f26f39b94105725efab44c9a9ff616323
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 0394b5d83b6fa63b6c661265ce44b6036027af24c5c316050b607647a73d3541

(this sample)

  
Delivery method
Distributed via web download

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