MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 23a8568003768b2f4e2fc3bd47a6d6d054c11ce622737d27df4c4f1bb0c28146. 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: 8
| SHA256 hash: | 23a8568003768b2f4e2fc3bd47a6d6d054c11ce622737d27df4c4f1bb0c28146 |
|---|---|
| SHA3-384 hash: | 65e5172b56688ad02214c8bec3dfecba8c9c52858995e2298df40bc038fed2851d6e28b7517be61a03417a42b4eaf21e |
| SHA1 hash: | 11af95f07370e84620ebb8d0feca1920035bf3f7 |
| MD5 hash: | e21fe731e011bcf0a181f2c894da220b |
| humanhash: | mirror-wisconsin-indigo-king |
| File name: | 23a8568003768b2f4e2fc3bd47a6d6d054c11ce622737d27df4c4f1bb0c28146 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 284'160 bytes |
| First seen: | 2026-08-10 14:47:05 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 6144:rZ1jy/W6CdFAe6+RL7BD2x+K2rvF4OkJnp3D2sVAATmoAAx/XQLc:zjy/WMe6+RlvVkZQEAUmoZ/XQLc |
| TLSH | T14F542306EBD391F6CDA08031D6CE15A609BF5C75E3D5F80B3B81A6CC8B752BA1E99350 |
| TrID | 34.1% (.EXE) Win64 Executable (generic) (6522/11/2) 23.5% (.EXE) Win32 Executable (generic) (4504/4/1) 10.7% (.ICL) Windows Icons Library (generic) (2059/9) 10.6% (.EXE) OS/2 Executable (generic) (2029/13) 10.4% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
36
Origin country :
HUVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
stage3.exe
Verdict:
No threats detected
Analysis date:
2026-07-28 14:57:44 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
crypt entropy formbook microsoft_visual_cc packed
Verdict:
Malicious
Labled as:
Suspicious:Worm.Mabezat.b.gpcs
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-27T10:57:00Z UTC
Last seen:
2026-07-28T06:43:00Z UTC
Hits:
~100
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2026-07-27 14:12:11 UTC
File Type:
PE (Exe)
AV detection:
28 of 36 (77.78%)
Threat level:
5/5
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Program crash
System Location Discovery: System Language Discovery
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
23a8568003768b2f4e2fc3bd47a6d6d054c11ce622737d27df4c4f1bb0c28146
MD5 hash:
e21fe731e011bcf0a181f2c894da220b
SHA1 hash:
11af95f07370e84620ebb8d0feca1920035bf3f7
Malware family:
FormBook
Verdict:
Malicious
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: | 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: | 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: | 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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