MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 decd2ba8000d6b737349007d3ea62099b6265af0ff2473e9cb43b36345b30847. 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
| SHA256 hash: | decd2ba8000d6b737349007d3ea62099b6265af0ff2473e9cb43b36345b30847 |
|---|---|
| SHA3-384 hash: | e85ef864ce691b84ce514ae6e7c3842777f0d5dd28493def7aa8ae56463804b7a188be9fddf849c97199805df64a313d |
| SHA1 hash: | 67604d298580c5a3d13dde7b12a6ef249f0c6654 |
| MD5 hash: | 121eff4c2fe4d9f38bc071958e3ffcb2 |
| humanhash: | maryland-iowa-lithium-triple |
| File name: | SecuriteInfo.com.FileRepMalware.28746.23027 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'305'088 bytes |
| First seen: | 2025-06-28 16:31:55 UTC |
| Last seen: | 2025-06-28 17:35:10 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 0b768923437678ce375719e30b21693e (143 x Formbook, 25 x MassLogger, 22 x SnakeKeylogger) |
| ssdeep | 24576:05EmXFtKaL4/oFe5T9yyXYfP1ijXdaRkmGdfCB4T+CGR3I7q:0PVt/LZeJbInQRaRFeRG |
| Threatray | 54 similar samples on MalwareBazaar |
| TLSH | T18955CF0273D1C062FFAB92334B56F6115BBD79260123A62F13981DB9BE701B1563E7A3 |
| TrID | 40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| dhash icon | aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
318
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.FileRepMalware.28746.23027
Verdict:
No threats detected
Analysis date:
2025-06-28 16:38:01 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Verdict:
Suspicious
Score:
50%
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:
adaptive-context anti-debug autoit compiled-script entropy fingerprint keylogger microsoft_visual_cc obfuscated packed packed packer_detected
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) Suspect Win 32 Exe x86
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-06-28 02:49:32 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
16 of 24 (66.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
unc_loader_036
Similar samples:
+ 44 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
decd2ba8000d6b737349007d3ea62099b6265af0ff2473e9cb43b36345b30847
MD5 hash:
121eff4c2fe4d9f38bc071958e3ffcb2
SHA1 hash:
67604d298580c5a3d13dde7b12a6ef249f0c6654
SH256 hash:
7010e7fa074974a2807e2fe8fc994828b2df00178df8a15ad8879937468128c4
MD5 hash:
ebe17022e94e01254bf6e5fb40490dcc
SHA1 hash:
4614f4a331eaf07836fe16bd6e28be8515f2b53e
Detections:
AutoIT_Compiled
SH256 hash:
0fda8602d2a0e3bc0173391c1caa82bb39afe393d1285962c63840da60e55763
MD5 hash:
54bb4bf42e954726f2b64ef18ccc4c61
SHA1 hash:
e88989306902cf21a00e23f61cb40cb8a701f745
SH256 hash:
7db068f9d578781647c7dadc7a326e8d0b409532edc6fea09a363bc5363341ee
MD5 hash:
ab37ee0872b3b9cc65fb6a3aff40150e
SHA1 hash:
caf03d3e0fdc6fcba809f3c2d3353d823a855800
Detections:
win_formbook_g0
SH256 hash:
356c4f8b09d80487f51d5acf8dbce1a6f2d452d4d16c3e762bf51ea9cdb10644
MD5 hash:
6ee0eb623528311e8f7d6725b6d9db8b
SHA1 hash:
838353c12ac158e9f6d5b6842fb8f6af800cdc81
SH256 hash:
76ce246556220650d1d9f757738135a701a7231e65cd5a901f3dc9a6dc3f539f
MD5 hash:
a972b23c51c4b9231a2fa5f2499b9bb8
SHA1 hash:
29eb226cf2ea2f6c32067d5548415c1b81c13c13
Detections:
win_formbook_g0
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | Formbook |
|---|---|
| Author: | kevoreilly |
| Description: | Formbook Payload |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| 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: | 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) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via 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_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| AUTH_API | Manipulates User Authorization | ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::CopySid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::GetAce |
| COM_BASE_API | Can Download & Execute components | ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoCreateInstanceEx ole32.dll::CoInitializeSecurity ole32.dll::CreateStreamOnHGlobal |
| MULTIMEDIA_API | Can Play Multimedia | WINMM.dll::mciSendStringW WINMM.dll::timeGetTime WINMM.dll::waveOutSetVolume |
| SECURITY_BASE_API | Uses Security Base API | ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl |
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW |
| WIN32_PROCESS_API | Can Create Process and Threads | ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateProcessW ADVAPI32.dll::CreateProcessWithLogonW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeW |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CopyFileExW KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW |
| WIN_BASE_USER_API | Retrieves Account Information | KERNEL32.dll::GetComputerNameW ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LogonUserW ADVAPI32.dll::LookupPrivilegeValueW |
| WIN_NETWORK_API | Supports Windows Networking | MPR.dll::WNetAddConnection2W MPR.dll::WNetUseConnectionW |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegConnectRegistryW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW |
| WIN_USER_API | Performs GUI Actions | USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW |
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