MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc63e07cb6e12c12a56e70ff30c621337dfa43ab35d2807545573b5f5f44acbf. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments

SHA256 hash: dc63e07cb6e12c12a56e70ff30c621337dfa43ab35d2807545573b5f5f44acbf
SHA3-384 hash: b1cb6320a816456ad88326133848bb60741d4286175b504cf1ffc422e7ba5b638fc28356d3e8de7ed5a42b7e7e0068a4
SHA1 hash: 7bd9d8a339d07f9f803126d24862b52e9b2c6310
MD5 hash: 85977f5fae967260ac0465d11dc817c1
humanhash: florida-nuts-louisiana-low
File name:dc63e07cb6e12c12a56e70ff30c621337dfa43ab35d2807545573b5f5f44acbf
Download: download sample
Signature Formbook
File size:1'589'760 bytes
First seen:2025-02-07 14:11:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Ztb20pkaCqT5TBWgNQ7aL4/c2qlN7+18UQ124R2NLSBekHn6A:qVg5tQ7aL4KlZ+JQ1pRwLSBe65
Threatray 1'395 similar samples on MalwareBazaar
TLSH T19575E02373DE8364C3B25273BA16B741BEBF782506A5F56B2FD4093DE920121521E6B3
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
189
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dc63e07cb6e12c12a56e70ff30c621337dfa43ab35d2807545573b5f5f44acbf
Verdict:
Suspicious activity
Analysis date:
2025-02-07 15:37:47 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
autorun autoit
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Enabling autorun by creating a file
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
Machine Learning detection for dropped file
Machine Learning detection for sample
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Sigma detected: Suspicious Process Parents
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1609688 Sample: L29j1HoxdS.exe Startdate: 07/02/2025 Architecture: WINDOWS Score: 100 44 www.luxurylive.xyz 2->44 46 www.030002837.xyz 2->46 48 22 other IPs or domains 2->48 68 Antivirus detection for URL or domain 2->68 70 Antivirus / Scanner detection for submitted sample 2->70 72 Multi AV Scanner detection for submitted file 2->72 76 7 other signatures 2->76 11 L29j1HoxdS.exe 3 2->11         started        15 wscript.exe 1 2->15         started        signatures3 74 Performs DNS queries to domains with low reputation 46->74 process4 file5 42 C:\Users\user\AppData\Local\...\poufs.exe, PE32 11->42 dropped 82 Binary is likely a compiled AutoIt script file 11->82 84 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->84 17 poufs.exe 1 11->17         started        86 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->86 21 poufs.exe 15->21         started        signatures6 process7 file8 40 C:\Users\user\AppData\Roaming\...\poufs.vbs, data 17->40 dropped 56 Antivirus detection for dropped file 17->56 58 Multi AV Scanner detection for dropped file 17->58 60 Binary is likely a compiled AutoIt script file 17->60 66 4 other signatures 17->66 23 svchost.exe 17->23         started        62 Writes to foreign memory regions 21->62 64 Maps a DLL or memory area into another process 21->64 26 svchost.exe 21->26         started        signatures9 process10 signatures11 80 Maps a DLL or memory area into another process 23->80 28 GTpG05mXLQa0rW4DSIC.exe 23->28 injected process12 signatures13 88 Found direct / indirect Syscall (likely to bypass EDR) 28->88 31 notepad.exe 13 28->31         started        process14 signatures15 90 Tries to steal Mail credentials (via file / registry access) 31->90 92 Tries to harvest and steal browser information (history, passwords, etc) 31->92 94 Modifies the context of a thread in another process (thread injection) 31->94 96 3 other signatures 31->96 34 GTpG05mXLQa0rW4DSIC.exe 31->34 injected 38 firefox.exe 31->38         started        process16 dnsIp17 50 www.030002837.xyz 161.97.142.144, 50011, 50012, 50013 CONTABODE United States 34->50 52 www.pegji.online 185.151.30.221, 49987, 49988, 49989 TWENTYIGB United Kingdom 34->52 54 9 other IPs or domains 34->54 78 Found direct / indirect Syscall (likely to bypass EDR) 34->78 signatures18
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-01-22 04:04:33 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
dc63e07cb6e12c12a56e70ff30c621337dfa43ab35d2807545573b5f5f44acbf
MD5 hash:
85977f5fae967260ac0465d11dc817c1
SHA1 hash:
7bd9d8a339d07f9f803126d24862b52e9b2c6310
SH256 hash:
d55ddcd782cbf2a12dc53c70efd1089dbc66634ace9144167a2f7e460935a1fe
MD5 hash:
2ff9f42b954972e24ba3b4e36a1407e0
SHA1 hash:
cdbbbecc0986d6a87e82095abc97d559112f4caf
SH256 hash:
a012a8fefcc30c7107742aecd6f4c2be32b139558398a6596d13a78d7cfb1559
MD5 hash:
3c340259c6d3bd72b20e19d3ccf1a08f
SHA1 hash:
bb4dab889b810506ca7cf4cda338f5184d693eab
Detections:
win_formbook_g0
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_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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:YahLover
Author:Kevin Falcoz
Description:YahLover

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
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::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
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::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
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_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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