MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23303e6f49f3122f7ba4390f1994bceefa1e508534ca5dddb85965ef20bbe6ed. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23303e6f49f3122f7ba4390f1994bceefa1e508534ca5dddb85965ef20bbe6ed
SHA3-384 hash: 0c93c62962f52f225ae1da2cd6c34cd1e31e4573bac9109699461aaca8ed7a08fd53a00ffd298c3d036992c0302312e7
SHA1 hash: 16f54d0e0707b63b178b2701f7db4b7a57f312d6
MD5 hash: eee836359651cea0906753a7201afa7d
humanhash: sierra-early-freddie-xray
File name:23303e6f49f3122f7ba4390f1994bceefa1e508534ca5dddb85965ef20bbe6ed
Download: download sample
Signature Formbook
Create hunting rule
File size:1'213'440 bytes
First seen:2025-12-08 15:35:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (338 x Formbook, 86 x AgentTesla, 56 x a310Logger)
ssdeep 24576:C5EmXFtKaL4/oFe5T9yyXYfP1ijXdakBN8MfnH87U:CPVt/LZeJbInQRakBXH
Threatray 2'292 similar samples on MalwareBazaar
TLSH T13245BF03739590A2FFAB99334B56F6115ABC6A270123A61F13980D7DFA701B1463E7B3
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
AutoIt
Details
AutoIt
extracted scripts and files
Link:
https://research.acce.ciphertechsolutions.com/results/e90886cd-a6c1-4fa2-a5f9-c1497a339eb9/
Malware family:
n/a
ID:
1
File name:
23303e6f49f3122f7ba4390f1994bceefa1e508534ca5dddb85965ef20bbe6ed
Verdict:
No threats detected
Analysis date:
2025-12-09 00:46:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4fd998ed-8beb-4bf8-a573-bf6dff9b7bae

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/43579/
Detection(s):
Win.Trojan.Autoit-10037269-0
Create hunting rule

SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6936f0c6db58e1a2c22b9516
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:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/23303e6f49f3122f7ba4390f1994bceefa1e508534ca5dddb85965ef20bbe6ed
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-24T08:55:00Z UTC
Last seen:
2025-12-08T10:16:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/23303e6f49f3122f7ba4390f1994bceefa1e508534ca5dddb85965ef20bbe6ed/results?tab=lookup
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/23303e6f49f3122f7ba4390f1994bceefa1e508534ca5dddb85965ef20bbe6ed
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/eee836359651cea0906753a7201afa7d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23303e6f49f3122f7ba4390f1994bceefa1e508534ca5dddb85965ef20bbe6ed/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-11-24 15:18:31 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
28 of 36 (77.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=emyd432j6mjc665ehehrtff4535b4uefgtff3xnylfs66if343wq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
01d5ee39bc1c92fd89ac108357bbd155e92fb8ca03876846cfa8ce393b8552f1
Formbook
0faf94a24b00a7dca3cb0e26b29b0c3f72f66e2f968d997ad45e74620efeb11b
Formbook
3646eadbf8a4b451c80fc5e3d74a4fbdcb8d2633933cdf3ba038533e56c98e9d
Formbook
68b3414e84bca98a83ceebfc80623bd11d9dfda5452a775904b6bb707f44ab98
Formbook
7fb51ecddea989bbc4c71fb744b95e9045e64c7a534d661d972c048a40050bb7
Formbook
893576f28b34077d76e44f7d0e0d02f7b8c78d893ae89a08d8b4fa07ea2a8769
Formbook
d551f8f0d78d6017bcd4291bc70495e45cb500402d9c45476c7af2324155a93b
Formbook
da3d78062454aa5135ff4c72085393ffd8470e5327da5974b29d3ae198252e7a
Formbook
error
Formbook
+ 2'282 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251208-s1qztsxpcs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
Win.Trojan.Autoit-10037269-0
YARA:
n/a
Link:
https://app.threat.zone/submission/fa8254e2-132a-429e-bb20-d637cb47679a
Unpacked files
SH256 hash:
23303e6f49f3122f7ba4390f1994bceefa1e508534ca5dddb85965ef20bbe6ed
MD5 hash:
eee836359651cea0906753a7201afa7d
SHA1 hash:
16f54d0e0707b63b178b2701f7db4b7a57f312d6
Link:
https://www.unpac.me/results/55820fc2-4fe9-49ef-aced-7ca8380e1e71/
SH256 hash:
874057a5ecfe75a53b1a050f4d21373eaecd1d27c6706d14ae2070570ea7b97f
MD5 hash:
9c5cae4bd238bc2f9ebe2a7ed961eb0e
SHA1 hash:
99156a75dee78370a4b7bbda663fa53c677c4b34
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/55820fc2-4fe9-49ef-aced-7ca8380e1e71/
Parent samples :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 hash:
1e703cefc903f3983140e2da27784219a3e26f293a42276b5dc7eddb2fab2ebf
MD5 hash:
a54fc13b2bd0b94321229cda63bdf5ee
SHA1 hash:
1475111ef7e00f5045dbe1b30b92deaa8234b963
Link:
https://www.unpac.me/results/55820fc2-4fe9-49ef-aced-7ca8380e1e71/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/23303e6f49f3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/23303e6f49f3122f7ba4390f1994bceefa1e508534ca5dddb85965ef20bbe6ed

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt 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.

Cape
Cape
https://www.capesandbox.com/analysis/43579/

Comments