MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7decf0fa17753b7be19335c7eb0db257f41046bdf4098a64f6db324b032a9d8. 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: 14

Intelligence 14 IOCs YARA 28 File information Comments

SHA256 hash:	a7decf0fa17753b7be19335c7eb0db257f41046bdf4098a64f6db324b032a9d8
SHA3-384 hash:	06899cd480454dad369223315dfc10074ca152273c0df5ddbb1d8d442fc4e3a0ccdf6752fc5bce5642d08332e6c5894c
SHA1 hash:	66166a9b2441724882cc09733e35963f8e25f8a4
MD5 hash:	4cc09f3d824a6db9a9568e07bf83254c
humanhash:	minnesota-wisconsin-virginia-fish
File name:	DOCUMENT H1346-26-2025.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'181'184 bytes
First seen:	2025-05-26 18:32:00 UTC
Last seen:	2025-06-20 11:02:55 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep	24576:Etb20pkaCqT5TBWgNQ7agES0zS35owl6A:tVg5tQ7agEZz+oY5
Threatray	2'287 similar samples on MalwareBazaar
TLSH	T1FA45CF1373DD8360C7B25273BA65B741AEBF782506A1F56B2FD8093DB820162521EB73
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	smica83
Tags:	exe FormBook HUN

Intelligence

File Origin

# of uploads :

# of downloads :

639

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

DOCUMENT H1346-26-2025.exe

Verdict:

No threats detected

Analysis date:

2025-05-26 18:34:48 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/e8357c3d-3899-4c01-9ef7-1cc75ed976af

Note:

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

Detection(s):

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6834b649acf88f5815e742b0

Tags:

autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context autoit compiled-script evasive explorer fingerprint fingerprint keylogger lolbin microsoft_visual_cc msconfig netsh packed packed packer_detected wuauclt

Link:

https://www.filescan.io/uploads/6834b3abe336a33801de6d04/reports/65574406-ea35-45d7-a0b1-8fa1fe0beb46/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/a7decf0fa17753b7be19335c7eb0db257f41046bdf4098a64f6db324b032a9d8

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/944735dd-ba18-49c6-a6a3-a1fb99cdbb0e

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1699410

Signature

Binary is likely a compiled AutoIt script file

Initial sample is a PE file and has a suspicious name

Malicious sample detected (through community Yara rule)

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/a7decf0fa17753b7be19335c7eb0db257f41046bdf4098a64f6db324b032a9d8

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a7decf0fa17753b7be19335c7eb0db257f41046bdf4098a64f6db324b032a9d8/

Verdict:

Malicious

Link:

https://tip.neiki.dev/file/a7decf0fa17753b7be19335c7eb0db257f41046bdf4098a64f6db324b032a9d8

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-05-26 13:30:19 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

29 of 38 (76.32%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=u7pm6d5bo5j3ppqzgnoh5mg3ev7ucbdl35ajrjspnwzsjmbsvhma._file

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/250526-w68cvassf1/

Behaviour

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/a1b2f28c-a3e0-4268-8e92-6abbda975006

Unpacked files

SH256 hash:

a7decf0fa17753b7be19335c7eb0db257f41046bdf4098a64f6db324b032a9d8

MD5 hash:

4cc09f3d824a6db9a9568e07bf83254c

SHA1 hash:

66166a9b2441724882cc09733e35963f8e25f8a4

Link:

https://www.unpac.me/results/b9cd4867-97b0-465b-a009-98826125a584/

SH256 hash:

95d4e6d867da09d9fb2302ef94d540644204068b149018da9258cc36397ffbd2

MD5 hash:

136616fdb1e67935a6142086452e8eef

SHA1 hash:

c14840db3410d29d1a16822b917dacf1860b98eb

Link:

https://www.unpac.me/results/b9cd4867-97b0-465b-a009-98826125a584/

SH256 hash:

b44d6f57aeb656f27afc88f54c97c618d4daa697ee27c10e1887dcb5dd83eea0

MD5 hash:

c3735d448f0d4d3db6fe20d7ad033c84

SHA1 hash:

2edfaa0ec53b3c5459a40bd9d772b25bc6ce4e49

Link:

https://www.unpac.me/results/b9cd4867-97b0-465b-a009-98826125a584/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a7decf0fa177/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/a7decf0fa17753b7be19335c7eb0db257f41046bdf4098a64f6db324b032a9d8

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:	dgaagas Create hunting rule
Author:	Harshit
Description:	Uses certutil.exe to download a file named test.txt

Rule name:	Formbook Create hunting rule
Author:	kevoreilly
Description:	Formbook Payload

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:	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)

Rule name:	Windows_Generic_Threat_aeaeb5cf Create hunting rule
Author:	Elastic Security

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_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.

No further information available

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