MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27e61cf5cfbedd10f664b238da96d885d4b8acc3455cef0e087661b058634635. 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



LummaStealer


Vendor detections: 8


Intelligence 8 IOCs YARA 19 File information Comments

SHA256 hash: 27e61cf5cfbedd10f664b238da96d885d4b8acc3455cef0e087661b058634635
SHA3-384 hash: bdb880652a325785a81bc3b0f76df219c7291f74b832098724f78d3c3f450420b33f55514509ab3c62fea0010434dbff
SHA1 hash: 052903410cd23815bbe0123d502737832aa0a237
MD5 hash: cb860187d0995792d263261a9cee412a
humanhash: mountain-arkansas-xray-uniform
File name:cb860187d0995792d263261a9cee412a.exe
Download: download sample
Signature LummaStealer
File size:7'027'696 bytes
First seen:2024-10-16 06:50:03 UTC
Last seen:2024-10-16 07:58:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash df453def9d4f8f1453a5fa51c6608cfc (2 x LummaStealer)
ssdeep 196608:MqlTl1VkwhYYQtjMfgkqixuPZfbaKMlaE+GVz:MWl164YP8dH9
TLSH T197667D30B606C536DD9205B1897DEBEF212DAF3A1B6510C7B3D86D2D29B11E32636E13
TrID 45.9% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
33.1% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
8.4% (.EXE) Win64 Executable (generic) (10522/11/4)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe LummaStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
372
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
81.4%
Tags:
Shellcode Injection Exploit
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug bash dotnet epmicrosoft_visual_cc evasive expand fingerprint lolbin microsoft_visual_cc overlay packed shell32
Malware family:
Microsoft Corporation
Verdict:
Unknown
Result
Threat name:
n/a
Detection:
unknown
Classification:
n/a
Score:
1 / 100
Behaviour
Behavior Graph:
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
27e61cf5cfbedd10f664b238da96d885d4b8acc3455cef0e087661b058634635
MD5 hash:
cb860187d0995792d263261a9cee412a
SHA1 hash:
052903410cd23815bbe0123d502737832aa0a237
Detections:
DOTNET_SingleFileHost_Bundled_App
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:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:reverse_http
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
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:test_Malaysia
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

LummaStealer

Executable exe 27e61cf5cfbedd10f664b238da96d885d4b8acc3455cef0e087661b058634635

(this sample)

  
Delivery method
Distributed via web download

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
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetSidSubAuthorityCount
ADVAPI32.dll::GetSidSubAuthority
ADVAPI32.dll::RevertToSelf
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CreateStreamOnHGlobal
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::SetKernelObjectSecurity
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
ADVAPI32.dll::SetThreadToken
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::GetActiveProcessorGroupCount
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::GetWindowsDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegGetValueW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW

Comments