MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62efda39040d71a595108dfd292fb61e679bf01f1b1b07adfc61bf2696f33e0c. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: 62efda39040d71a595108dfd292fb61e679bf01f1b1b07adfc61bf2696f33e0c
SHA3-384 hash: 691d79878bd65d66670eb03dc06ce17c278fb9aa38e235ed323de06aa8943846c98e17a759ef0ccbc828ec1e7af4309c
SHA1 hash: d6295fb0f85f4dfb6d55e5577b44b39dd69b0d2b
MD5 hash: 788356f8315872bd41d1329e3599b874
humanhash: princess-hawaii-river-georgia
File name:Invoice120924 pdf.exe
Download: download sample
Signature Formbook
File size:1'397'765 bytes
First seen:2024-09-19 12:27:49 UTC
Last seen:2024-09-23 12:34:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 369fe35b86c83b3130c02698158a4d4d (14 x Formbook, 4 x RedLineStealer, 4 x AgentTesla)
ssdeep 24576:LRmJkcoQricOIQxiZY1WNyDM2+5Vg1Fv72NV+vl8onF:IJZoQrbTFZY1WNyDm5VgmD+t8k
TLSH T12955E121B5C68076C2B323B19E7EF36A963D79360336D2D727C42D325EA05816B29773
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)
Magika pebin
File icon (PE):PE icon
dhash icon b150b26869b2d471 (468 x Formbook, 101 x RedLineStealer, 94 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
372
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice120924 pdf.exe
Verdict:
Malicious activity
Analysis date:
2024-09-19 12:47:24 UTC
Tags:
autoit

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
Encryption Stealth
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.evad
Score:
96 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Autoitinject
Status:
Malicious
First seen:
2024-09-19 12:29:12 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unknown_loader_036 formbook admintool_powerrun
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
06a14387054dac37b91ce1a350a7222ad18689057544124ca6b9bbc0d0388f3d
MD5 hash:
98a5c88e7027d6b211acf31fdaac662d
SHA1 hash:
e55b8c9d2c4f319720ad37de30ddd4cba1b22e86
Detections:
win_formbook_g0 win_formbook_w0
SH256 hash:
02a1b27343f65af933159f215709cc203d23bce968e424d452cf5ecdf85fc2bf
MD5 hash:
788a4f74130d121410e0c9c334a52952
SHA1 hash:
7497156dc08f2272de610a3fb298be7d08dd9838
SH256 hash:
3a6e1c87ac66a360a72130719c3540b90418957e9b10bd535fe31f0204707df6
MD5 hash:
1a6835cc8b1e5777cc53b94780e7e846
SHA1 hash:
416a70ce8e1145908241086104aeb8c63e5f1a10
SH256 hash:
62efda39040d71a595108dfd292fb61e679bf01f1b1b07adfc61bf2696f33e0c
MD5 hash:
788356f8315872bd41d1329e3599b874
SHA1 hash:
d6295fb0f85f4dfb6d55e5577b44b39dd69b0d2b
Detections:
AutoIT_Compiled
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:AutoIt
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants

File information


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

Malspam

Formbook

Executable exe 62efda39040d71a595108dfd292fb61e679bf01f1b1b07adfc61bf2696f33e0c

(this sample)

  
Delivery method
Distributed via e-mail attachment

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CopySid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetAce
USER32.dll::GetUserObjectSecurity
ADVAPI32.dll::InitializeAcl
ADVAPI32.dll::InitializeSecurityDescriptor
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
ADVAPI32.dll::GetTokenInformation
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.DLL::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.DLL::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::TerminateProcess
KERNEL32.DLL::SetSystemPowerState
KERNEL32.DLL::LoadLibraryW
KERNEL32.DLL::LoadLibraryExW
KERNEL32.DLL::LoadLibraryA
KERNEL32.DLL::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.DLL::WriteConsoleW
KERNEL32.DLL::SetStdHandle
KERNEL32.DLL::GetConsoleCP
KERNEL32.DLL::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.DLL::CopyFileW
KERNEL32.DLL::CreateDirectoryW
KERNEL32.DLL::CreateHardLinkW
KERNEL32.DLL::CreateFileW
KERNEL32.DLL::DeleteFileW
KERNEL32.DLL::MoveFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.DLL::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::UnlockServiceDatabase
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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