MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d33c63e3e5a71003233e507598ba66fbf71379e631117fdb624d06326a83fa1. 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: 21

Intelligence 21 IOCs YARA 19 File information Comments

SHA256 hash:	5d33c63e3e5a71003233e507598ba66fbf71379e631117fdb624d06326a83fa1
SHA3-384 hash:	a1dc863c1ff8d728396502d6d0a8d0d1b8ed3aab99c8c0ceb4abcb3672d639ccab5add31db726b96741296e6254654c1
SHA1 hash:	c16042a956bb2f2d5e2cd366ef1d3576d35fc390
MD5 hash:	c7e5c8960abd40c3f54602cd16bb7522
humanhash:	march-wisconsin-zulu-delaware
File name:	PO.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'251'328 bytes
First seen:	2025-08-30 14:51:43 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1895460fffad9475fda0c84755ecfee1 (296 x Formbook, 52 x AgentTesla, 35 x SnakeKeylogger)
ssdeep	24576:O5EmXFtKaL4/oFe5T9yyXYfP1ijXdaSo6pOZ3i1M6gxLa:OPVt/LZeJbInQRaSzwZ3i1vg
TLSH	T1D345BF027391C062FFAB92334F5AF6115BBC79260123A62F13981D79BE705B1563E7A3
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	abuse_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

Synaptics.exe

Verdict:

Malicious activity

Analysis date:

2025-08-29 19:12:07 UTC

Tags:

xred backdoor github evasion smb hausbomber telegram delphi rat remcos autoit loader auto meterpreter metasploit stealerium anti-evasion dyndns python lokibot stealer njrat bladabindi asyncrat xworm payload vidar ims-api generic formbook stealc lumma pyinstaller ransomware troldesh shade neshta quasar remote wannacry agenttesla worm anydesk rmm-tool loki trojan babadeda framework miner snake keylogger vipkeylogger phishing storm1747 tycoon tinynuke clickfix coinminer discord nanocore xloader pchunter tool masslogger rustystealer xmrig amadey clipper diamotrix darkroad auto-sch-xml redline azorult cobaltstrike rhadamanthys ultravnc whitesnakestealer botnet salatstealer crypto-regex cryptolocker dcrat donutloader pythonstealer possible-phishing pastebin exfiltration smtp websocket sparkrat sliver blankgrabber

Link:

https://app.any.run/tasks/64ed9c00-9dfe-4889-bb5b-52077e372d15

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

Formbook

Link:

https://www.capesandbox.com/analysis/24273/

Verdict:

Malicious

Score:

70%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68b310763e988eb6ab82ff2a

Tags:

autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Сreating synchronization primitives

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context autoit cmdkey compiled-script fingerprint keylogger lolbin microsoft_visual_cc obfuscated packed packed packer_detected regsvr32 threat

Link:

https://www.filescan.io/uploads/68b311141c81c34281d8fc0c/reports/d904ae3d-15b1-48e7-8d1c-84e133315e19/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/5d33c63e3e5a71003233e507598ba66fbf71379e631117fdb624d06326a83fa1

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-08-29T12:10:00Z UTC

Last seen:

2025-08-29T12:10:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/5d33c63e3e5a71003233e507598ba66fbf71379e631117fdb624d06326a83fa1/results?tab=lookup

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/17e82909-6a76-4b49-b9a5-8690387d26d6

Result

Threat name:

FormBook

Detection:

malicious

Classification:

rans.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1768175

Signature

Binary is likely a compiled AutoIt script file

Joe Sandbox ML detected suspicious sample

Maps a DLL or memory area into another process

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for submitted file

Performs DNS queries to domains with low reputation

Queues an APC in another process (thread injection)

Suricata IDS alerts for network traffic

Switches to a custom stack to bypass stack traces

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Uses shutdown.exe to shutdown or reboot the system

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/5d33c63e3e5a71003233e507598ba66fbf71379e631117fdb624d06326a83fa1

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/c7e5c8960abd40c3f54602cd16bb7522

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5d33c63e3e5a71003233e507598ba66fbf71379e631117fdb624d06326a83fa1/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-08-29 15:55:13 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

28 of 38 (73.68%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=luz4mpr6ljyqamrt4udvtc5gn67xcn46mmirp7nwetiggjvih6qq._file

Verdict:

malicious

Label(s):

formbook

Similar samples:

error

Formbook

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/250830-sanrsabn8v/

Behaviour

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

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/f5f6880a-7aff-42c9-9454-bf5ba24bf2cc

Unpacked files

SH256 hash:

5d33c63e3e5a71003233e507598ba66fbf71379e631117fdb624d06326a83fa1

MD5 hash:

c7e5c8960abd40c3f54602cd16bb7522

SHA1 hash:

c16042a956bb2f2d5e2cd366ef1d3576d35fc390

Link:

https://www.unpac.me/results/d77bbf14-e79a-4e8d-a3a3-2c1b798ef8e5/

SH256 hash:

1b21e6b82ceb889d0de8455a4550d3d9820501df663dea37e528eff7ffd8da0d

MD5 hash:

c81f1ce76c5c7b6e2358fe6f275013b3

SHA1 hash:

a8ba0064eab8a99fb832f88b77a77522844a0930

Link:

https://www.unpac.me/results/d77bbf14-e79a-4e8d-a3a3-2c1b798ef8e5/

SH256 hash:

42e265bbf82a8d04fe3bfb3e93c5e4b5ceabe43769bc2291fe20990e4dfbc92b

MD5 hash:

5334f67cbf8fdc52468e77a0d5ec3561

SHA1 hash:

118e830664f62f73bdd534bc2c29cb7de1a82ab5

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/d77bbf14-e79a-4e8d-a3a3-2c1b798ef8e5/

Parent samples :
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Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/5d33c63e3e5a/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/5d33c63e3e5a71003233e507598ba66fbf71379e631117fdb624d06326a83fa1

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_AllMal_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication

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:	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:	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:	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:	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:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

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)