MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1640f03f39d8601b33257bde1ec3820fc4858721d1a2cd9aefdb98ea0f573ff8. 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



Glupteba


Vendor detections: 13


Intelligence 13 IOCs YARA 50 File information Comments

SHA256 hash: 1640f03f39d8601b33257bde1ec3820fc4858721d1a2cd9aefdb98ea0f573ff8
SHA3-384 hash: a9548d16bccaa464d60b19c91c7ef2aaaa5dae8bf318132af224b334d7c1ee85cadee22f4d1cf933854c16e374246642
SHA1 hash: 4d96bc31f9caaf1134b460ac655742100841af82
MD5 hash: 85f1fcc9de87f59f37c549d956de2630
humanhash: alaska-twenty-seventeen-tango
File name:baf14778c246e15550645e30ba78ce1c.exe
Download: download sample
Signature Glupteba
File size:4'316'568 bytes
First seen:2024-05-10 16:56:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c85621604a397e488423155048882e50 (2 x Glupteba, 1 x LummaStealer)
ssdeep 98304:5c4WOVtRezG8nXzNwWpFukg8IYnHpOtXgHWfhsdzR:MOVtFyzNuxtf+2fho
Threatray 526 similar samples on MalwareBazaar
TLSH T10B16332139D3E031E0570A705C70D968117CFDA915B98E8B327C3F8E58756ACA7EBB4A
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 1032684490804800 (2 x Glupteba)
Reporter NDA0E
Tags:exe Glupteba


Avatar
NDA0E
https://firstfirecar.com/fb8875b60e026c8e17b4b245b9964d36/baf14778c246e15550645e30ba78ce1c.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
377
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
716741d85859c7c4747395deb709dc0b4b2741a0d15850aa3a706cc05d61bf6d.exe
Verdict:
Malicious activity
Analysis date:
2024-05-10 16:51:10 UTC
Tags:
loader opendir evasion adware neoreklami privateloader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint overlay packed
Result
Threat name:
Glupteba
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found Tor onion address
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Glupteba
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1439762 Sample: baf14778c246e15550645e30ba7... Startdate: 10/05/2024 Architecture: WINDOWS Score: 100 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus detection for URL or domain 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 4 other signatures 2->33 8 baf14778c246e15550645e30ba78ce1c.exe 13 2->8         started        process3 signatures4 37 Detected unpacking (changes PE section rights) 8->37 39 Detected unpacking (overwrites its own PE header) 8->39 41 Found Tor onion address 8->41 43 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->43 11 baf14778c246e15550645e30ba78ce1c.exe 8->11         started        14 powershell.exe 24 8->14         started        16 WerFault.exe 2 8->16         started        process5 signatures6 45 Found Tor onion address 11->45 18 powershell.exe 11->18         started        21 WerFault.exe 2 11->21         started        47 Loading BitLocker PowerShell Module 14->47 23 conhost.exe 14->23         started        process7 signatures8 35 Loading BitLocker PowerShell Module 18->35 25 conhost.exe 18->25         started        process9
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-05-10 16:57:07 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
glupteba
Score:
  10/10
Tags:
family:glupteba discovery dropper evasion execution loader persistence rootkit trojan upx
Behaviour
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Creates scheduled task(s)
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Command and Scripting Interpreter: PowerShell
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Adds Run key to start application
Checks installed software on the system
Manipulates WinMon driver.
Manipulates WinMonFS driver.
Executes dropped EXE
Loads dropped DLL
UPX packed file
Windows security modification
Drops file in Drivers directory
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Modifies boot configuration data using bcdedit
Glupteba
Glupteba payload
Windows security bypass
Unpacked files
SH256 hash:
1640f03f39d8601b33257bde1ec3820fc4858721d1a2cd9aefdb98ea0f573ff8
MD5 hash:
85f1fcc9de87f59f37c549d956de2630
SHA1 hash:
4d96bc31f9caaf1134b460ac655742100841af82
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:crime_ZZ_botnet_aicm
Author:imp0rtp3
Description:DDoS Golang Botnet sample for linux called 'aicm'
Reference:https://twitter.com/IntezerLabs/status/1401869234511175683
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:dsc
Author:Aaron DeVera
Description:Discord domains
Rule name:Glupteba
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:INDICATOR_SUSPICIOUS_DisableWinDefender
Author:ditekSHen
Description:Detects executables containing artifacts associated with disabling Widnows Defender
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
Author:ditekSHen
Description:Detects executables containing URLs to raw contents of a Github gist
Rule name:INDICATOR_SUSPICIOUS_EXE_TooManyWindowsUA
Author:ditekSHen
Description:Detects executables referencing many varying, potentially fake Windows User-Agents
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SUSP_Websites
Author:SECUINFRA Falcon Team
Description:Detects the reference of suspicious sites that might be used to download further malware
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:UroburosVirtualBoxDriver
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Trojan_Generic_2993e5a5
Author:Elastic Security
Rule name:yara_template

File information


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

Web download

Glupteba

Executable exe 1640f03f39d8601b33257bde1ec3820fc4858721d1a2cd9aefdb98ea0f573ff8

(this sample)

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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleOutputCP
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::GetSystemDirectoryW
KERNEL32.dll::RemoveDirectoryA
KERNEL32.dll::GetTempPathA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA

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