MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ce877733ee9e261e33073f983357f61b97a7b4a30800f70dd3a4edb729707f2f. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: ce877733ee9e261e33073f983357f61b97a7b4a30800f70dd3a4edb729707f2f
SHA3-384 hash: 3f5ae178841b7bdf42084812a2e800265e5d0c19bfcc39ff6e2daa885eea0c240ebeeddee49820d14b4dc0d372097bf9
SHA1 hash: 181c9bef8c51a97c920cfe250e66c2bd83b15fcd
MD5 hash: dc6e600d33d5e20b3120b712057ece63
humanhash: finch-bravo-stream-ceiling
File name:SecuriteInfo.com.Win32.Malware-gen.11549.10024
Download: download sample
Signature GuLoader
File size:1'320'536 bytes
First seen:2024-06-04 09:40:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 076b06e6a65c9b7cca5a61be0cd82165 (51 x GuLoader, 4 x AgentTesla, 4 x Formbook)
ssdeep 24576:fcDG9hx0pCJtOvefZVsRuq1KAWofxc1thFU5eNCDOU5P:fffx0pnve7GuTnj/UECqI
Threatray 568 similar samples on MalwareBazaar
TLSH T1B955F166BA20CB4BD67053B18853E2B5C6252DACFD71523B3935736EB8B2B018E4774C
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)
File icon (PE):PE icon
dhash icon f07a7673733333b2 (1 x GuLoader)
Reporter SecuriteInfoCom
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Hwyl
Issuer:Hwyl
Algorithm:sha256WithRSAEncryption
Valid from:2024-01-08T04:37:08Z
Valid to:2027-01-07T04:37:08Z
Serial number: 41fa9b3d5394eaa72c72a95addd86525c9b9e412
Thumbprint Algorithm:SHA256
Thumbprint: a1b517c66e7c02306c58f1fbf2559ceccd0227257b30a7139bc66aa2d4ff88f6
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
414
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ce877733ee9e261e33073f983357f61b97a7b4a30800f70dd3a4edb729707f2f.exe
Verdict:
Malicious activity
Analysis date:
2024-06-04 09:41:26 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
Encryption Execution Network Static Stealth Injector
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Searching for the window
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin microsoft_visual_cc overlay packed shell32
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
Score:
76 / 100
Signature
Mass process execution to delay analysis
Multi AV Scanner detection for submitted file
Obfuscated command line found
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1451632 Sample: SecuriteInfo.com.Win32.Malw... Startdate: 04/06/2024 Architecture: WINDOWS Score: 76 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected GuLoader 2->39 7 SecuriteInfo.com.Win32.Malware-gen.11549.10024.exe 358 2->7         started        process3 file4 33 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 7->33 dropped 35 C:\Users\user\AppData\Local\...\System.dll, PE32 7->35 dropped 41 Obfuscated command line found 7->41 43 Mass process execution to delay analysis 7->43 45 Tries to detect virtualization through RDTSC time measurements 7->45 11 cmd.exe 1 7->11         started        13 cmd.exe 1 7->13         started        15 cmd.exe 1 7->15         started        17 272 other processes 7->17 signatures5 process6 process7 19 conhost.exe 11->19         started        21 conhost.exe 13->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started        27 conhost.exe 17->27         started        29 conhost.exe 17->29         started        31 266 other processes 17->31
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2024-06-04 05:42:41 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Unpacked files
SH256 hash:
fda0018ab182ac6025d2fc9a2efcce3745d1da21ce5141859f8286cf319a52ce
MD5 hash:
4d3b19a81bd51f8ce44b93643a4e3a99
SHA1 hash:
35f8b00e85577b014080df98bd2c378351d9b3e9
SH256 hash:
ce877733ee9e261e33073f983357f61b97a7b4a30800f70dd3a4edb729707f2f
MD5 hash:
dc6e600d33d5e20b3120b712057ece63
SHA1 hash:
181c9bef8c51a97c920cfe250e66c2bd83b15fcd
Please note that we are no longer able to provide a coverage score for Virus Total.

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_SliverFox_String
Author:huoji
Description:Detect files is `SliverFox` malware
Rule name:NSIS_April_2024
Author:NDA0N
Description:Detects NSIS installers
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:win_flawedammyy_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.flawedammyy.

File information


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

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
AUTH_APIManipulates User AuthorizationADVAPI32.dll::SetFileSecurityA
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
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::LoadLibraryA
KERNEL32.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::MoveFileExA
KERNEL32.dll::MoveFileA
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

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