MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cfecc683911218dde9c607fc0365c31c3fa5e4f7561cb7a68bc99c96c68bf0a4. 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
| SHA256 hash: | cfecc683911218dde9c607fc0365c31c3fa5e4f7561cb7a68bc99c96c68bf0a4 |
|---|---|
| SHA3-384 hash: | 6679d3cad6ca245ec57ce1c189f4d945d68e40ec50f4ac250cdd480780c1ba7042ef8511ae58b8ff304120258ad4e56d |
| SHA1 hash: | e41476e30342dfc3df606589f1eb91bf084c3a38 |
| MD5 hash: | 848ebacd95ead54cdcfe5d916093d2c8 |
| humanhash: | cardinal-july-spring-fruit |
| File name: | 848ebacd95ead54cdcfe5d916093d2c8.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'683'456 bytes |
| First seen: | 2025-04-15 10:01:35 UTC |
| Last seen: | Never |
| File type: | |
| MIME type: | application/x-dosexec |
| imphash | 876cc9767e4af18bcea4e997f02ddd36 (5 x RemcosRAT, 1 x Formbook) |
| ssdeep | 24576:lSTJib6blAXhV324+mLuH8unGw5hO3ns0FqczzxQ7gFmqIX7DuP0bsN:lS3b8h7vuH8uGw50s0McxwDX7D00I |
| TLSH | T167758C37615371A2C0BDC5B80A5EB6980CF52E3C19E884C67DB33A3A4BE6530EC65E57 |
| TrID | 38.0% (.EXE) Win32 Executable Delphi generic (14182/79/4) 28.2% (.EXE) Win64 Executable (generic) (10522/11/4) 12.0% (.EXE) Win32 Executable (generic) (4504/4/1) 5.5% (.EXE) Win16/32 Executable Delphi generic (2072/23) 5.4% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| dhash icon | c46b2b072313f4ec (5 x RemcosRAT, 1 x MassLogger, 1 x DBatLoader) |
| Reporter | |
| Tags: | exe FormBook |
Intelligence
File Origin
NLVendor Threat Intelligence
Result
Behaviour
Result
Signature
Behaviour
Result
Behaviour
Unpacked files
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: | BobSoftMiniDelphiBoBBobSoft |
|---|---|
| Author: | malware-lu |
| Rule name: | Borland |
|---|---|
| Author: | malware-lu |
| 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: | DebuggerCheck__RemoteAPI |
|---|---|
| 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: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | pe_detect_tls_callbacks |
|---|
| 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 |
| 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: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Typical_Malware_String_Transforms |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects typical strings in a reversed or otherwise modified form |
| Reference: | Internal Research |
| Rule name: | Typical_Malware_String_Transforms_RID3473 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects typical strings in a reversed or otherwise modified form |
| Reference: | Internal Research |
| Rule name: | Windows_Generic_Threat_d7b57912 |
|---|---|
| Author: | Elastic Security |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| COM_BASE_API | Can Download & Execute components | ole32.dll::CoCreateInstance |
| WIN32_PROCESS_API | Can Create Process and Threads | kernel32.dll::CloseHandle kernel32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | kernel32.dll::LoadLibraryExA kernel32.dll::LoadLibraryA kernel32.dll::GetStartupInfoA kernel32.dll::GetDiskFreeSpaceA kernel32.dll::GetCommandLineA |
| WIN_BASE_IO_API | Can Create Files | kernel32.dll::CreateFileA kernel32.dll::FindFirstFileA version.dll::GetFileVersionInfoSizeA version.dll::GetFileVersionInfoA |
| WIN_REG_API | Can Manipulate Windows Registry | advapi32.dll::RegOpenKeyExA advapi32.dll::RegQueryValueExA |
| WIN_USER_API | Performs GUI Actions | user32.dll::ActivateKeyboardLayout user32.dll::CreateMenu user32.dll::FindWindowA user32.dll::PeekMessageA user32.dll::PeekMessageW user32.dll::CreateWindowExA |
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