MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16176d5f75d488c2bb480f67ae167aeef03cd54ddd42c8e7eb09ab8775957782. 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


Intelligence 15 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 16176d5f75d488c2bb480f67ae167aeef03cd54ddd42c8e7eb09ab8775957782
SHA3-384 hash: aa3f0b0a23ed34e705b55f81fa500f43a7b92263a0c4a74fdbd8cedc773e53c787384c7dbcf3f201f39e76b8a4ed4eb9
SHA1 hash: b7f436b122e9c0674ee7496e6b30448769dd9443
MD5 hash: c337d51809f3138decf5cf7c2fc8e06a
humanhash: table-quiet-two-tennessee
File name:16176d5f75d488c2bb480f67ae167aeef03cd54ddd42c8e7eb09ab8775957782
Download: download sample
Signature Formbook
Create hunting rule
File size:1'090'048 bytes
First seen:2025-08-12 14:49:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Qtb20pkaCqT5TBWgNQ7aiz/i9yxfTh6A:ZVg5tQ7aiz/9N5
Threatray 4'091 similar samples on MalwareBazaar
TLSH T1C435CF2273DD8365C7B25273BA25B701AE7F782506A1F96B2FD4093DF920122521EB73
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
35
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
16176d5f75d488c2bb480f67ae167aeef03cd54ddd42c8e7eb09ab8775957782.exe
Verdict:
Malicious activity
Analysis date:
2025-08-12 16:48:08 UTC
Tags:
peristeronic
Link:
https://app.any.run/tasks/6947a52c-ce36-4cb3-b9e0-2362d931ec42

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/20822/
Detection(s):
SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689b5875fca70bd90e8f1c90
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Launching the process to change network settings
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/16176d5f75d488c2bb480f67ae167aeef03cd54ddd42c8e7eb09ab8775957782
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/04c02bba-a7ca-4c26-8cc5-25f04fd21073
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/16176d5f75d488c2bb480f67ae167aeef03cd54ddd42c8e7eb09ab8775957782
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/16176d5f75d488c2bb480f67ae167aeef03cd54ddd42c8e7eb09ab8775957782/
Verdict:
Malicious
Threat:
Trojan-Spy.Win32.Noon
Link:
https://tip.neiki.dev/file/16176d5f75d488c2bb480f67ae167aeef03cd54ddd42c8e7eb09ab8775957782
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-07-29 07:33:35 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cylw2x3v2semfo2ib5t24ft253ydzvkn3vbmrz7lbgvyo5mvo6ba._file
Verdict:
malicious
Label(s):
autoit
Create hunting rule
unc_loader_036
Create hunting rule
formbook
Create hunting rule
Similar samples:
21d3f57e61ce525123d11ca6da1dbfe05b9e95bdd5867309e38d59c4140f7d86
Formbook
3f5ee99a8faff731ddd6012cf23500ae4c14582d7a68cf1bb1655e4571502e38
Formbook
8a91c4bf99a674909e6993d52e061547517056d36f9b8e828a9148eb412ffa73
Formbook
9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46
Formbook
9d0f61e791157c9ddf6445ab94ca9ad7935633472c1c6f7f7d8bc99bb129fcd2
Formbook
ea5ad478df7db224610821def4d39b12ba7ef2f7a95fe88c9bc30a135bca5739
Formbook
+ 4'081 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ua09 discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250812-t9kpvas1a1/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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
Link:
https://app.threat.zone/submission/8b66b54f-c8bd-43f9-8b01-9bf0b6941803
Unpacked files
SH256 hash:
16176d5f75d488c2bb480f67ae167aeef03cd54ddd42c8e7eb09ab8775957782
MD5 hash:
c337d51809f3138decf5cf7c2fc8e06a
SHA1 hash:
b7f436b122e9c0674ee7496e6b30448769dd9443
Link:
https://www.unpac.me/results/581be018-b933-47b7-bc19-8f3a5b66e943/
SH256 hash:
aed2ada3a83ff8eb11deeae5e93b3c8c594d54ee5ecb9f9216eeb0ba83896d8b
MD5 hash:
db77aca8c020a46ee21a4a8b9c785e74
SHA1 hash:
2c51594d27532b2b27ab6c6f514bcba8c13900a6
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/581be018-b933-47b7-bc19-8f3a5b66e943/
Parent samples :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 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
Create hunting rule
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12
Rule name:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/20822/

Comments