MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 524557fb85fa9faafc5f8c22eb3df5173f654fbf56082832a339cc15103fca37. 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



Threat unknown


Vendor detections: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 524557fb85fa9faafc5f8c22eb3df5173f654fbf56082832a339cc15103fca37
SHA3-384 hash: 2ae086c68a0c62649849646034431f5b8c9d49537c7bce13a20cbfc5bc6c0be0288c5d4bf366bbcc2a6dcbad0b99d119
SHA1 hash: 1f98842f4c35c4b41d0b65a8e17d42942f60f278
MD5 hash: 2a0858bd30956e7bb866b8914713ad29
humanhash: washington-echo-video-monkey
File name:87654.scr
Download: download sample
File size:1'118'020 bytes
First seen:2024-07-16 06:06:59 UTC
Last seen:2024-07-24 14:19:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 99ee65c2db82c04251a5c24f214c8892 (36 x Formbook, 11 x RemcosRAT, 4 x SnakeKeylogger)
ssdeep 24576:/6nVMk+HIj90cabVEnLQJeyYFZJPy29IbWxkwIkKBqSI1xij9A:yVz7tGIkJeV4qxEkrSeiO
TLSH T1D7350202F3C084B2D17328354AA99B90163DB8306F6186DF53D5797E6B316C2E636FA7
TrID 76.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
3.0% (.EXE) Win64 Executable (generic) (10523/12/4)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.2% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon b4fa99999999fa00 (2 x Formbook, 1 x DarkCloud, 1 x NanoCore)
Reporter abuse_ch
Tags:exe scr

Intelligence


File Origin
# of uploads :
3
# of downloads :
372
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
Banker Encryption Execution Generic Other Static Stealth Malware Dexter
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
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:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
Multi AV Scanner detection for submitted file
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-06-13 16:21:34 UTC
File Type:
PE (Exe)
Extracted files:
79
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies registry class
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Unpacked files
SH256 hash:
524557fb85fa9faafc5f8c22eb3df5173f654fbf56082832a339cc15103fca37
MD5 hash:
2a0858bd30956e7bb866b8914713ad29
SHA1 hash:
1f98842f4c35c4b41d0b65a8e17d42942f60f278
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants

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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments