MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a684465a73338c71ef0b4094a7ea9cef4c7b75a9577286cbb9614bd6702a6917. 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: 17


Intelligence 17 IOCs YARA 20 File information Comments

SHA256 hash: a684465a73338c71ef0b4094a7ea9cef4c7b75a9577286cbb9614bd6702a6917
SHA3-384 hash: 2e7d43bad1b7d3a9c7f93c89bc70f1d2761d156d74e122d5a5b8f518a0c5be443801aa1669f48d8699a0637c8c294a81
SHA1 hash: d112dd0ee53a27e115cb72e85cd1508ac78a749d
MD5 hash: e428bb4bebd1878cf4fa44bc3465b0c8
humanhash: march-autumn-march-idaho
File name:PT chevron requests.exe
Download: download sample
Signature Formbook
File size:1'171'456 bytes
First seen:2025-10-10 06:52:14 UTC
Last seen:2025-11-06 10:14:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 91d07a5e22681e70764519ae943a5883 (93 x Formbook, 14 x RemcosRAT, 11 x AgentTesla)
ssdeep 24576:Itb20pkaCqT5TBWgNQ7aFhkVAB6V71FDkRJV8KH6A:RVg5tQ7aF/i71FoR78Q5
TLSH T17845CF1373DDC361C3725273BA65B701AEBB782506A1F96B2FD8093DE920122525EB73
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
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
105
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
db6edf58d26c0f80437bea2f8039434a06fe145b6a417ffce0274ec8275d4292.rar
Verdict:
No threats detected
Analysis date:
2025-10-10 06:57:01 UTC
Tags:
arch-exec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc obfuscated packed packed packer_detected
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-09T23:43:00Z UTC
Last seen:
2025-10-12T05:20:00Z UTC
Hits:
~1000
Detections:
Trojan-Spy.Win32.Noon.sb Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win64.Injects.gwg Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb UDS:DangerousObject.Multi.Generic Trojan-Spy.Noon.HTTP.ServerRequest Trojan-PSW.Win32.Stealer.sb
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2025-10-10 03:11:23 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
autoit formbook
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a684465a73338c71ef0b4094a7ea9cef4c7b75a9577286cbb9614bd6702a6917
MD5 hash:
e428bb4bebd1878cf4fa44bc3465b0c8
SHA1 hash:
d112dd0ee53a27e115cb72e85cd1508ac78a749d
SH256 hash:
e404be4a472647e68823f81fbe6a23608b112bad0c93f1639a353c5d0cf6f362
MD5 hash:
bf41bfbf140540d5901f6dec10ccf62f
SHA1 hash:
5825de07be7932509eeda8709ac0611128f94d9f
SH256 hash:
93435d035bba77a872a986a4a4c3b30a3b6e5ba10e90f254e5ac49ddc105c181
MD5 hash:
83e597674e1b09dfbb63c19f41af7a80
SHA1 hash:
05716631003b83d4069773ee78d56da5d609b8a4
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: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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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: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:Formbook
Author:kevoreilly
Description:Formbook Payload
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:meth_stackstrings
Author:Willi Ballenthin
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_Generic_MassHunt_Win_Malware_2025_CYFARE
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
Rule name:YahLover
Author:Kevin Falcoz
Description:YahLover

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments