MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b574420940b67f83f5b83923df313a4c24e1ff6c8fdbcf7bdaa6d2cdcd042f1d. 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: | b574420940b67f83f5b83923df313a4c24e1ff6c8fdbcf7bdaa6d2cdcd042f1d |
|---|---|
| SHA3-384 hash: | 6c15f306bf7658568bbdfb03cad85834f850ba7b889cfd7f72290ef310dfc42837d8aeb4aca9311f01f8df6d1c7f40f8 |
| SHA1 hash: | f43b2c31095112e7f66b2a6990ed5128e7616c66 |
| MD5 hash: | b957d0f2802bd9fe56ed215566d776fd |
| humanhash: | magnesium-south-queen-neptune |
| File name: | b574420940b67f83f5b83923df313a4c24e1ff6c8fdbcf7bdaa6d2cdcd042f1d |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'002'496 bytes |
| First seen: | 2025-07-07 14:37:44 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:wvY7GASYfVsFlEIU+dpJRVqMDNO8rQnJkDLBAo76s0GLHg0SIGFsK9idgEccdu0:w2Opx1M5JyREtRidgw |
| Threatray | 1'236 similar samples on MalwareBazaar |
| TLSH | T17F25DF0072B84F4AE57A47F80566C63093F65E5D64BDE7098DEEBCEB3961B012A80F53 |
| TrID | 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10522/11/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Magika | pebin |
| dhash icon | f0e8ccb2d4d4f0f0 (7 x Formbook, 3 x AgentTesla, 2 x MassLogger) |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
21
Origin country :
HUVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
rl_b574420940b67f83f5b83923df313a4c24e1ff6c8fdbcf7bdaa6d2cdcd042f1d.exe
Verdict:
Malicious activity
Analysis date:
2025-07-07 14:38:43 UTC
Tags:
netreactor formbook xloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Verdict:
Malicious
Score:
96.5%
Tags:
shell virus micro
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-06-23 05:02:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
56
AV detection:
28 of 36 (77.78%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
unc_loader_037
Similar samples:
+ 1'226 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b574420940b67f83f5b83923df313a4c24e1ff6c8fdbcf7bdaa6d2cdcd042f1d
MD5 hash:
b957d0f2802bd9fe56ed215566d776fd
SHA1 hash:
f43b2c31095112e7f66b2a6990ed5128e7616c66
SH256 hash:
e5178515af752b210f6cf83df9f6098e071d2836710af3a33c4dc662be4f5b1e
MD5 hash:
3d13d875fb8030a425449b1b15962062
SHA1 hash:
1864603752e2a43bc4c587ea9db85dd1a6c258fc
SH256 hash:
8117d42c80860793232a142cd328aac99301f7e844348f9f04cac60366e3a5a0
MD5 hash:
6e57540f26b5788cdc1065bb7cbce76f
SHA1 hash:
81b5892a420673349fefa7468bfb148de909ce59
SH256 hash:
8830e553527fe9a12f7faa38816a8fa306bde45ff03ddffc272c56f58e8b7363
MD5 hash:
443fc8fd739755c06a0987a6c59b4470
SHA1 hash:
99bd54ff8e0598af57ff0480f0b6a2e62295c096
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
6dc61993b1386debdd348aa7cfb662ec5ef92d97b5bfbc0c3066527819a16449
MD5 hash:
90538ec232caade8aea924814abab52c
SHA1 hash:
22f6a08fb626430fcf0e32c4e1622a1680c18e8a
SH256 hash:
e6f9eea0906e1d5757891754cb09ca723e40ca875d65ef5d941ccf12b7a15505
MD5 hash:
d818feef44d9529959bf9afd699026bc
SHA1 hash:
f55b840d1671bc1caa1afcdbeaf587aa87abc60d
Detections:
win_formbook_g0
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: | Formbook |
|---|---|
| Author: | kevoreilly |
| Description: | Formbook Payload |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| 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: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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.
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 |
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