MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 27b74b1992bc452227f6aaba0f9f58dbe8d4dd4d8a1973aa869d26f59b6e4bad. 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: 11
| SHA256 hash: | 27b74b1992bc452227f6aaba0f9f58dbe8d4dd4d8a1973aa869d26f59b6e4bad |
|---|---|
| SHA3-384 hash: | 27153281d575cf8b096b570073b6250d6fa310dc714dec4c7503c71245bddf3d1b992ee62f537395b962b1f14d1b63d7 |
| SHA1 hash: | 1edb271d33e9d60d5f538325e11ca5e2357f6aca |
| MD5 hash: | 64698dea36e3e5110db6f0626d0b8941 |
| humanhash: | minnesota-spring-undress-tennessee |
| File name: | 27b74b1992bc452227f6aaba0f9f58dbe8d4dd4d8a1973aa869d26f59b6e4bad |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'043'456 bytes |
| First seen: | 2026-05-08 12:43:02 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 24576:LYYDmV8+v9z/5wp3sieSIe2qxXDUCBaXLpCDZBjukx2eO:LYYDKvzw8KIjYXDpBaXLsDPj5x |
| Threatray | 2'788 similar samples on MalwareBazaar |
| TLSH | T1D5251251AB49D803DCDA13390970E37517759EECD811C31AAEFCFEEB786AA563908243 |
| TrID | 44.6% (.EXE) Win64 Executable (generic) (6522/11/2) 14.0% (.ICL) Windows Icons Library (generic) (2059/9) 13.8% (.EXE) OS/2 Executable (generic) (2029/13) 13.7% (.EXE) Generic Win/DOS Executable (2002/3) 13.6% (.EXE) DOS Executable (generic) (2000/1) |
| Magika | pebin |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
76
Origin country :
HUVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-05-08 16:23:05 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
crypt formbook krypt packed vbnet
Verdict:
Malicious
Labled as:
MSIL/Kryptik_AGeneric.ENT trojan
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-04-07T06:34:00Z UTC
Last seen:
2026-05-08T12:46:00Z UTC
Hits:
~100
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2026-04-07 12:32:00 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
7
AV detection:
24 of 36 (66.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'778 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
27b74b1992bc452227f6aaba0f9f58dbe8d4dd4d8a1973aa869d26f59b6e4bad
MD5 hash:
64698dea36e3e5110db6f0626d0b8941
SHA1 hash:
1edb271d33e9d60d5f538325e11ca5e2357f6aca
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| 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: | 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: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | dgaagas |
|---|---|
| Author: | Harshit |
| Description: | Uses certutil.exe to download a file named test.txt |
| 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: | NET |
|---|---|
| Author: | malware-lu |
| 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: | TH_Win_ETW_Bypass_2025_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Windows ETW Bypass Detection Rule - 2025 |
| Reference: | https://cyfare.net/ |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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