MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b6662c1050599805c0a20155ca0c8fdb566858e1914e273a69f572a5e3e61ef. 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: 18

Intelligence 18 IOCs YARA 19 File information Comments

SHA256 hash:	6b6662c1050599805c0a20155ca0c8fdb566858e1914e273a69f572a5e3e61ef
SHA3-384 hash:	5d5190417974278a55c1452b924b949d742d63959ba187c22d58a2c8a221d45e3f907fc33abf56ae1a6418916ff1af88
SHA1 hash:	7f88c1d921474720044ee42627894d040d237cb3
MD5 hash:	83c059ad80bab0048fc247cdf9fd2eb1
humanhash:	quiet-oxygen-fillet-oxygen
File name:	PO#250198700.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'243'136 bytes
First seen:	2025-09-03 02:44:58 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:s5EmXFtKaL4/oFe5T9yyXYfP1ijXdahfl69HHag2EarFQm4t:sPVt/LZeJbInQRahf+nagiRQm
Threatray	683 similar samples on MalwareBazaar
TLSH	T14845BF0273D1C062FFAB95334B5AF6115BBC79260123A62F13981DB9BE705B1463E7A3
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	threatcat_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

PO#250198700.exe

Verdict:

No threats detected

Analysis date:

2025-09-03 02:55:56 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/6a79ced1-0f7d-4483-b950-7264280bf9fb

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/24818/

Verdict:

Clean

Score:

89.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68b7abbe3e988eb6ab839d6c

Tags:

n/a

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Сreating synchronization primitives

Sending a custom TCP request

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-debug autoit compiled-script evasive explorer fingerprint keylogger lolbin microsoft_visual_cc packed phishing regsvr32 threat

Link:

https://www.filescan.io/uploads/68b7abd96212e2f74267f323/reports/d23dacfc-e88d-4e13-82cb-d0e8719de009/overview

Verdict:

Malicious

Labled as:

Trojan.BAT.Agent.gen

Link:

https://www.hybrid-analysis.com/sample/6b6662c1050599805c0a20155ca0c8fdb566858e1914e273a69f572a5e3e61ef

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-09-03T00:37:00Z UTC

Last seen:

2025-09-03T00:37:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/6b6662c1050599805c0a20155ca0c8fdb566858e1914e273a69f572a5e3e61ef/results?tab=lookup

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/043e99be-98af-4b50-9645-8328611d7e83

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1770041

Signature

Binary is likely a compiled AutoIt script file

Found API chain indicative of sandbox detection

Initial sample is a PE file and has a suspicious name

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)

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/6b6662c1050599805c0a20155ca0c8fdb566858e1914e273a69f572a5e3e61ef

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/83c059ad80bab0048fc247cdf9fd2eb1

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/6b6662c1050599805c0a20155ca0c8fdb566858e1914e273a69f572a5e3e61ef/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-09-03 02:45:37 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=nntgfqifawmyaxakeakvzigi7w2wnbmodekoe45gt5lsuxr6mhxq._file

Verdict:

malicious

Label(s):

formbook

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/250903-c84ynadl6z/

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

Link:

https://app.threat.zone/submission/94689a3a-3ea1-4edf-8b0e-061b753b9d13

Unpacked files

SH256 hash:

6b6662c1050599805c0a20155ca0c8fdb566858e1914e273a69f572a5e3e61ef

MD5 hash:

83c059ad80bab0048fc247cdf9fd2eb1

SHA1 hash:

7f88c1d921474720044ee42627894d040d237cb3

Link:

https://www.unpac.me/results/33f5488a-6946-4829-aafb-dc9146f9d97a/

SH256 hash:

81efd7592841529f155fa1e7689851efd236ffc8cae2f8c74cb73fcc689db4aa

MD5 hash:

d78ca65cfb803b8b7c054ecc5c7f8435

SHA1 hash:

0714f0b5d4f146032abbebddb5977dedb9149b07

Link:

https://www.unpac.me/results/33f5488a-6946-4829-aafb-dc9146f9d97a/

SH256 hash:

f4b87f22895691a03d89ead2f1981f286d1cfcf6fcc53da850f003a45aa13fe1

MD5 hash:

a938cd0ef4ed05d24ae4da021151fcb4

SHA1 hash:

9e69e3e35af2eeaf600d68cbe81406be6c8460a3

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/33f5488a-6946-4829-aafb-dc9146f9d97a/

Parent samples :

8ef4fde166a079ee1f41b238839f301ede99526229b8cf4be228369445e02436
6f78f41f127a47b73306a3c9f4d07fea0c2acb977e85bcc7055a171b44cd3646
09472ed1c419959674e30b72c78a5fe0f7033c1ae5b6d1226468c2939dcea592
aef5d4593ccbc3429500b7e49d0f735bba83f811df85898febff746babd0eca2
6b6662c1050599805c0a20155ca0c8fdb566858e1914e273a69f572a5e3e61ef
a3dedbbf981145de82f06ad01c0660c92d476b7d3111de05cdc3cfc3e67c8404
30fea26dda88dc8a60e063f439547077261fdb044aa47aa108bd7457abb51998

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/6b6662c10505/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Formbook

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/6b6662c1050599805c0a20155ca0c8fdb566858e1914e273a69f572a5e3e61ef

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)

File information

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

Malspam

Formbook

exe 6b6662c1050599805c0a20155ca0c8fdb566858e1914e273a69f572a5e3e61ef

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/24818/

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