🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c97dbc111d46e1bfe08a912bc8a893494f6d3f682d71853ab6b0a3ee3308fb77. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c97dbc111d46e1bfe08a912bc8a893494f6d3f682d71853ab6b0a3ee3308fb77
SHA3-384 hash: b75c5f99c1fe47d724ead38914a69269c8d1d6b5e257efbd9f93abffbb18f2c76d331d67b60ef7b9d8478b4dbe10a7ba
SHA1 hash: d0a7ded680f10ec1871a3b4df10c6a9cc2a30809
MD5 hash: ad0ed91197890681c43fe8a613ba1b2b
humanhash: burger-jig-music-yankee
File name:c97dbc111d46e1bfe08a912bc8a893494f6d3f682d71853ab6b0a3ee3308fb77
Download: download sample
Signature GuLoader
Create hunting rule
File size:625'096 bytes
First seen:2024-07-10 15:46:58 UTC
Last seen:2024-07-10 16:23:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 671f2a1f8aee14d336bab98fea93d734 (204 x GuLoader, 4 x Formbook, 4 x RemcosRAT)
ssdeep 12288:I2Vmby5Q6IXgRhdiS+j7hmIwKp5KNgcSJtoE2uxck4EUcpF+78:I28SQ6IXgitRwKp5KYoE2uxckrjFM8
Threatray 357 similar samples on MalwareBazaar
TLSH T165D4DF3171F0A693E0637674FA6EC22559D5ED6FCFC2CA07EF603E1A5CA29C0161A14B
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) (4504/4/1)
Reporter NDA0E
Tags:AZORult exe GuLoader signed

Code Signing Certificate

Organisation:sporid
Issuer:sporid
Algorithm:sha256WithRSAEncryption
Valid from:2024-04-05T05:02:08Z
Valid to:2027-04-05T05:02:08Z
Serial number: 2070ac2a22d1c054c676e67272ccbd535d28a7c4
Thumbprint Algorithm:SHA256
Thumbprint: ccafc213f77e95f648658985622022dc3d8c3a9019e7ba1a8a751131a140d4a1
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
NDA0E
Drops Azorult payload via possibly compromised domain: http://econorthbrasil.com.br/media/hRYRIsBi15.bin

SnakeKeyLogger C2: http://hqt3.shop/KL341/index.php

Intelligence

File Origin
# of uploads :
2
# of downloads :
466
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
c97dbc111d46e1bfe08a912bc8a893494f6d3f682d71853ab6b0a3ee3308fb77.exe
Verdict:
Malicious activity
Analysis date:
2024-07-10 15:47:32 UTC
Tags:
guloader loader stealer azorult
Link:
https://app.any.run/tasks/223a3bb5-ad94-43a9-9025-148955ac304c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.381.29894.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668eacf850cbfd4734a89460win10vpnfull_triage
Tags:
Encryption Execution Generic Static Heur
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin microsoft_visual_cc overlay packed shell32
Link:
https://www.filescan.io/uploads/668ead027731d034e881c504/reports/7e7e603e-782f-4b9c-93fc-3eafe9fc1242/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c97dbc111d46e1bfe08a912bc8a893494f6d3f682d71853ab6b0a3ee3308fb77
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9ee9606b-b0f4-41de-a796-afdc43e14a8a
Result
Threat name:
Azorult, GuLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1470929
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Found many strings related to Crypto-Wallets (likely being stolen)
Found suspicious powershell code related to unpacking or dynamic code loading
Malicious sample detected (through community Yara rule)
Powershell drops PE file
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Wab/Wabmig Unusual Parent Or Child Processes
Snort IDS alert for network traffic
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
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)
Writes to foreign memory regions
Yara detected Azorult
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1470929 Sample: IdEZn6s5ga.exe Startdate: 10/07/2024 Architecture: WINDOWS Score: 100 47 hqt3.shop 2->47 49 econorthbrasil.com.br 2->49 55 Snort IDS alert for network traffic 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 6 other signatures 2->61 10 IdEZn6s5ga.exe 1 33 2->10         started        signatures3 process4 file5 39 C:\Users\user\AppData\Local\Temp\...\Fjot.Mum, ASCII 10->39 dropped 41 C:\Users\user\AppData\Local\...\nsDialogs.dll, PE32 10->41 dropped 43 C:\Users\user\AppData\Local\...\AdvSplash.dll, PE32 10->43 dropped 71 Suspicious powershell command line found 10->71 14 powershell.exe 20 10->14         started        signatures6 process7 file8 45 C:\Users\user\AppData\...\IdEZn6s5ga.exe, PE32 14->45 dropped 73 Found many strings related to Crypto-Wallets (likely being stolen) 14->73 75 Writes to foreign memory regions 14->75 77 Found suspicious powershell code related to unpacking or dynamic code loading 14->77 79 Powershell drops PE file 14->79 18 wab.exe 63 14->18         started        23 conhost.exe 14->23         started        signatures9 process10 dnsIp11 51 hqt3.shop 188.114.97.3, 49722, 49724, 80 CLOUDFLARENETUS European Union 18->51 53 econorthbrasil.com.br 191.6.211.59, 49721, 80 IPV6InternetLtdaBR Brazil 18->53 31 C:\Users\user\AppData\...\vcruntime140.dll, PE32 18->31 dropped 33 C:\Users\user\AppData\Local\...\ucrtbase.dll, PE32 18->33 dropped 35 C:\Users\user\AppData\Local\...\softokn3.dll, PE32 18->35 dropped 37 45 other files (none is malicious) 18->37 dropped 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->63 65 Tries to steal Instant Messenger accounts or passwords 18->65 67 Tries to steal Mail credentials (via file / registry access) 18->67 69 5 other signatures 18->69 25 cmd.exe 1 18->25         started        file12 signatures13 process14 process15 27 conhost.exe 25->27         started        29 timeout.exe 1 25->29         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c97dbc111d46e1bfe08a912bc8a893494f6d3f682d71853ab6b0a3ee3308fb77
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c97dbc111d46e1bfe08a912bc8a893494f6d3f682d71853ab6b0a3ee3308fb77/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2024-07-10 15:47:06 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zf63yei5i3q37yeksev4rketjfhw2p3ifvyykovwwcr64myi7n3q._file
Verdict:
unknown
Similar samples:
041a299c0ec2acc0192dcf7b53e0741669d1ca5b2abb95128131348299c47079
GuLoader
1e9efc4850c235d1d5e91b6dd70967f7c1f9d41e52b712ecd9a1d997a630db00
GuLoader
346f721674b0ca7df2703e4ba5847ccc6a9fb550e8ccc28599af452bf499ef82
GuLoader
c97dbc111d46e1bfe08a912bc8a893494f6d3f682d71853ab6b0a3ee3308fb77
GuLoader
d7325eb4553b2c58a8580cb84af63cfe5cdf4ff23a3d4e09a963c656d5717d8c
GuLoader
+ 347 additional samples on MalwareBazaar
Result
Malware family:
azorult
Create hunting rule
Score:
  10/10
Tags:
family:azorult collection execution infostealer spyware stealer trojan
Link:
https://tria.ge/reports/240710-s77adswdlk/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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
Loads dropped DLL
Reads local data of messenger clients
Command and Scripting Interpreter: PowerShell
Azorult
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f8a0da87-279b-46d2-91eb-160486567dbf
Unpacked files
SH256 hash:
9cdba2bb0984f10c201921ae5bcfe7b595771e1f12d9e17d31f213bfaf1548c6
MD5 hash:
3134c2821796396ba53e77ef3ea6a268
SHA1 hash:
14c58e347fb4bf1b8c6f5ebccae57c58066d8769
Link:
https://www.unpac.me/results/767c9e07-04e8-4a8d-8f0b-65255085db60/
SH256 hash:
b2699fdfdab6a018fcc972806d12f71972de1861660bb6578935d62b1da06504
MD5 hash:
3cea4c9994912d8f3c3e8b6a814e810e
SHA1 hash:
c48d34a0981d4ab576c7a3ab566f5ddb94af5d86
Link:
https://www.unpac.me/results/767c9e07-04e8-4a8d-8f0b-65255085db60/
SH256 hash:
89b1e6509a1b45b32933e9d785a9c8c5b9ce7c616e1112dcf7fc3fa5ca27ebde
MD5 hash:
4a2f4fe4a3ad1de56ee6bf7dd4923963
SHA1 hash:
7cc68b94448c964fd99904e5784b059aed4d5daa
Link:
https://www.unpac.me/results/767c9e07-04e8-4a8d-8f0b-65255085db60/
SH256 hash:
c97dbc111d46e1bfe08a912bc8a893494f6d3f682d71853ab6b0a3ee3308fb77
MD5 hash:
ad0ed91197890681c43fe8a613ba1b2b
SHA1 hash:
d0a7ded680f10ec1871a3b4df10c6a9cc2a30809
Link:
https://www.unpac.me/results/767c9e07-04e8-4a8d-8f0b-65255085db60/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c97dbc111d46/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/c97dbc111d46e1bfe08a912bc8a893494f6d3f682d71853ab6b0a3ee3308fb77

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:NSIS_April_2024
Create hunting rule
Author:NDA0N
Description:Detects NSIS installers
Rule name:NSIS_GuLoader
Create hunting rule
Author:NDA0E
Description:Detects GuLoader using NSIS
Rule name:NSIS_GuLoader_July_2024
Create hunting rule
Author:NDA0E
Description:Detects GuLoader packed with NSIS installer
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

  
Dropping
Azorult

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileA
KERNEL32.dll::MoveFileExA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments