MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5f20662d9b688c3f53a36e35c65b679d8a8eb13c1a91bf94006e1faa79ee863. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash: a5f20662d9b688c3f53a36e35c65b679d8a8eb13c1a91bf94006e1faa79ee863
SHA3-384 hash: f8bdccf20c059a67324b736550c8122cbf7272c819569b14d7115c286856173b7c00ad9e336cf4f64b0ab550e1120326
SHA1 hash: 49be3f6770ac249ba25b9ece752d5d604e7eb999
MD5 hash: 2f6bfa6ed826835bb0c48a37f36cc63f
humanhash: blossom-vermont-alanine-violet
File name:Request for 30 Downpayment.exe
Download: download sample
Signature Formbook
File size:1'345'599 bytes
First seen:2024-10-21 19:48:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash aaaa8913c89c8aa4a5d93f06853894da (246 x Formbook, 82 x AgentTesla, 74 x RedLineStealer)
ssdeep 24576:4fmMv6Ckr7Mny5QGCYSS7+Hg89mKkb9aYzTcI:43v+7/5QGCY770gj
Threatray 492 similar samples on MalwareBazaar
TLSH T13855D113B6CD42BDD9923971397BD3369B357F170322C487B7E0AE6E4E211485A263E1
TrID 84.9% (.EXE) AutoIt3 compiled script executable (510622/80/67)
9.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
1.7% (.EXE) Win64 Executable (generic) (10522/11/4)
1.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon e2ee8a8eb6d8ecf4 (56 x AgentTesla, 39 x RemcosRAT, 38 x GuLoader)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
444
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Request for 30 Downpayment.exe
Verdict:
No threats detected
Analysis date:
2024-10-21 19:54:08 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Autoit Emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit compiled-script fingerprint keylogger lolbin masquerade microsoft_visual_cc overlay packed packed packer_detected shell32
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
Contains functionality to detect sleep reduction / modifications
Initial sample is a PE file and has a suspicious name
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:
2024-10-21 19:23:00 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
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
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4dd025cbf3adcd988bec28d0437a406d27d0194984e5b4f330d5271792f72c20
MD5 hash:
88d89d00214e6f355eb850cbea67d1fa
SHA1 hash:
270e5448024370bfe309e63c70e9e433e4aa7581
Detections:
win_formbook_g0 win_formbook_w0 Windows_Trojan_Formbook
SH256 hash:
f1b741472ebfa93c2d2400f234605c93a23375446f9bcc1e0e9297f918dd984d
MD5 hash:
0c0f691e42d6028966d01651f76b80b2
SHA1 hash:
9fe7129e1caaabe3e3b195fb574b348e42141e11
SH256 hash:
a5f20662d9b688c3f53a36e35c65b679d8a8eb13c1a91bf94006e1faa79ee863
MD5 hash:
2f6bfa6ed826835bb0c48a37f36cc63f
SHA1 hash:
49be3f6770ac249ba25b9ece752d5d604e7eb999
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 a5f20662d9b688c3f53a36e35c65b679d8a8eb13c1a91bf94006e1faa79ee863

(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::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileW
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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