MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b5726f67e41a222543e4bc949db567350231b5dd0c791d72ce2005e0a5af704. 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



Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 15 File information Comments

SHA256 hash: 0b5726f67e41a222543e4bc949db567350231b5dd0c791d72ce2005e0a5af704
SHA3-384 hash: 0fb778932dcbc58173758da5d19501801c63ea46d36e9127a55bc26ecc4d0c5c6e1d3effada4100eba07f70767e10f24
SHA1 hash: b82f862d256fd63ceb31982178b35f31670a13d3
MD5 hash: 367f6a9b9b00f860281fe3865a0d33f0
humanhash: diet-hotel-indigo-diet
File name:Factura (3).exe
Download: download sample
Signature Formbook
File size:1'034'668 bytes
First seen:2024-05-16 15:16:58 UTC
Last seen:2024-05-21 11:43:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash daf5c93667eaae2edfeefaa93a963f14 (1 x SnakeKeylogger, 1 x CoinMiner, 1 x AgentTesla)
ssdeep 12288:42hb+TTZEcmgH5KqlyUNbG1pxUz5i9SkO0a5t35kZUh1EEREmbm/8b+miXnsJ9nI:4ab+hHQqqwzI9yJkZA4ECmmsJpaWA
TLSH T1E025E041B7AC54F4D4B7D1388982650AFBA17C568360DBDB67A04A5B1F236E0BD3EF80
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
317
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
0b5726f67e41a222543e4bc949db567350231b5dd0c791d72ce2005e0a5af704.exe
Verdict:
Malicious activity
Analysis date:
2024-05-16 15:19:23 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Blocking the User Account Control
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
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:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Disables UAC (registry)
Encrypted powershell cmdline option found
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Very long command line found
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1442718 Sample: Factura (3).exe Startdate: 16/05/2024 Architecture: WINDOWS Score: 100 42 www.zwervertjes.be 2->42 44 www.walletweb367.top 2->44 46 17 other IPs or domains 2->46 62 Snort IDS alert for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for URL or domain 2->66 68 7 other signatures 2->68 11 Factura (3).exe 2 2->11         started        signatures3 process4 signatures5 76 Very long command line found 11->76 78 Encrypted powershell cmdline option found 11->78 14 powershell.exe 1 15 11->14         started        17 conhost.exe 11->17         started        process6 signatures7 82 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 14->82 84 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->84 86 Writes to foreign memory regions 14->86 88 3 other signatures 14->88 19 csc.exe 14->19         started        22 powershell.exe 23 14->22         started        24 WerFault.exe 20 16 14->24         started        26 2 other processes 14->26 process8 signatures9 70 Maps a DLL or memory area into another process 19->70 28 KAnMKAQhHABqpRuDRpLtww.exe 19->28 injected 72 Loading BitLocker PowerShell Module 22->72 31 conhost.exe 22->31         started        process10 signatures11 80 Found direct / indirect Syscall (likely to bypass EDR) 28->80 33 chkdsk.exe 13 28->33         started        process12 signatures13 54 Tries to steal Mail credentials (via file / registry access) 33->54 56 Tries to harvest and steal browser information (history, passwords, etc) 33->56 58 Modifies the context of a thread in another process (thread injection) 33->58 60 2 other signatures 33->60 36 KAnMKAQhHABqpRuDRpLtww.exe 33->36 injected 40 firefox.exe 33->40         started        process14 dnsIp15 48 lenslaser.com 162.241.216.140, 49714, 49716, 49717 UNIFIEDLAYER-AS-1US United States 36->48 50 www.walletweb367.top 91.195.240.123, 49731, 49732, 49733 SEDO-ASDE Germany 36->50 52 7 other IPs or domains 36->52 74 Found direct / indirect Syscall (likely to bypass EDR) 36->74 signatures16
Threat name:
Win64.Trojan.Leonem
Status:
Malicious
First seen:
2024-05-15 12:51:38 UTC
File Type:
PE+ (Exe)
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion execution trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Command and Scripting Interpreter: PowerShell
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
0b5726f67e41a222543e4bc949db567350231b5dd0c791d72ce2005e0a5af704
MD5 hash:
367f6a9b9b00f860281fe3865a0d33f0
SHA1 hash:
b82f862d256fd63ceb31982178b35f31670a13d3
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:DebuggerCheck__GlobalFlags
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:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
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:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_no_import_table
Description:Detect pe file that no import table
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:shellcode
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.

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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

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