MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec394392a4f1746a6166f78bcefb94ad4b5a4e4fe224fd5c3fa1ff93fb9e26a5. 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 34 File information Comments

SHA256 hash:	ec394392a4f1746a6166f78bcefb94ad4b5a4e4fe224fd5c3fa1ff93fb9e26a5
SHA3-384 hash:	1779e7d009a43c4fec02ce71277c63f5355e0e2920130f2a65ebd264a235edebe0b5ba923ee74d7e85e6cb4fb46a1b8b
SHA1 hash:	55dd9a6114be0af1e4b85b4b16364c19d252b247
MD5 hash:	29df4224c043f4aac3b285bdfd152fc7
humanhash:	freddie-lemon-lemon-berlin
File name:	ec394392a4f1746a6166f78bcefb94ad4b5a4e4fe224fd5c3fa1ff93fb9e26a5
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'084'928 bytes
First seen:	2025-09-05 12:39:20 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	91d07a5e22681e70764519ae943a5883 (90 x Formbook, 14 x RemcosRAT, 10 x AgentTesla)
ssdeep	24576:Dtb20pkaCqT5TBWgNQ7a+3HGzbD6m1Z6A:AVg5tQ7a+2bP35
Threatray	3'260 similar samples on MalwareBazaar
TLSH	T16C35CF1373DE8361C3725273BA257741BEBF782506A5F96B2FD8093DE820122525EA73
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 :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

ec394392a4f1746a6166f78bcefb94ad4b5a4e4fe224fd5c3fa1ff93fb9e26a5

Verdict:

Malicious activity

Analysis date:

2025-09-05 16:22:32 UTC

Tags:

autoit

Link:

https://app.any.run/tasks/3318ac38-6ee7-4ff0-af7c-a2eefd56c96e

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/25385/

Detection(s):

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68bada10eb163e0ec1847b5a

Tags:

autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Сreating synchronization primitives

Launching cmd.exe command interpreter

Sending a custom TCP request

Setting browser functions hooks

Forced shutdown of a system process

Unauthorized injection to a system process

Unauthorized injection to a browser process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc nymeria obfuscated packed packed packer_detected

Link:

https://www.filescan.io/uploads/68badfd637c25fcf12d4bed8/reports/66d0fe47-cec4-4773-9eb2-3d8bafe61578/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/ec394392a4f1746a6166f78bcefb94ad4b5a4e4fe224fd5c3fa1ff93fb9e26a5

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-08-14T21:58:00Z UTC

Last seen:

2025-08-14T21:58:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/ec394392a4f1746a6166f78bcefb94ad4b5a4e4fe224fd5c3fa1ff93fb9e26a5/results?tab=lookup

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/70cadcfb-99c0-4b81-89b6-e67aaa542bb5

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ec394392a4f1746a6166f78bcefb94ad4b5a4e4fe224fd5c3fa1ff93fb9e26a5

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/29df4224c043f4aac3b285bdfd152fc7

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ec394392a4f1746a6166f78bcefb94ad4b5a4e4fe224fd5c3fa1ff93fb9e26a5/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-08-15 01:19:38 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

28 of 38 (73.68%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=5q4uheve6f2guylg66f4564uvvfvutsp4isp2xb7uh7zh646e2sq._file

Verdict:

malicious

Label(s):

autoit

formbook

Formbook

14a371e6549ffd778165044baeafb53330d9f0756dd17369d5abc3e56f3951fa

Formbook

170c2b10322d1b2bbd5403091730544828633e2bdf59af1134b1ae1898a8d90c

Formbook

212151a618e9234e1c746f364ae9f98f12a2198c0ac9c4b3058d056541163240

Formbook

5fcfd8333c4687790ed53e4783d8b2ac2d082059f7f1b14e92dd24e41e831740

Formbook

617bf6800d42409a74ae0539d3e3ffc412e6c4bb137c232159c3ca946bc0fcdd

Formbook

89298940d17702803fc97b47258c639f223ddebd6368a0d946647cb79acacc2e

Formbook

94976e161177276c6c1f03697f87bbbda781fedb937342a311728f51a3bce501

Formbook

b75db5d4979ec63cf001640529fd3be14433a40d03e17e751754909617ccc4af

Formbook

b99465dde28898f671538e21692d17def78b40a44b6765093ce3940668614cc7

Formbook

+ 3'250 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:d26z discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/250905-qat8fsxjs2/

Behaviour

Gathers network information

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

Program crash

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/e68519ee-ac6c-4581-8e5c-653615f50836

Unpacked files

SH256 hash:

ec394392a4f1746a6166f78bcefb94ad4b5a4e4fe224fd5c3fa1ff93fb9e26a5

MD5 hash:

29df4224c043f4aac3b285bdfd152fc7

SHA1 hash:

55dd9a6114be0af1e4b85b4b16364c19d252b247

Link:

https://www.unpac.me/results/dc6d3cd3-fbe2-4afe-a7c0-69723b037c9f/

SH256 hash:

94e62c0049fcc25c567fc6c0a46ca9bcdb8ad215f9487fedb9f780b216108b59

MD5 hash:

1fd53afdf3001156d7e25fc9d376472e

SHA1 hash:

28a6a8df92888f4440bc1d118b8d14768d5daec3

Detections:

win_formbook_w0

win_formbook_g0

win_formbook_auto

FormBook

Windows_Trojan_Formbook

Formbook

Link:

https://www.unpac.me/results/dc6d3cd3-fbe2-4afe-a7c0-69723b037c9f/

Parent samples :

8081b1db0c96891c7c7c032b7cdaabf10b3e55d02f24508fc5fb97a78d57196c
d261e61de6e893eda0e874fcb49be4295672966b5f5911b1072affba588707b5
0602d4287c73ec32f73636d2b3636867a484ac664fdf0ebd4560bcc282640eb0
f3705c4b168ab9da53cd547d088b5c594115e5e545d3694ecd76c7e42f1da4ec
badb58b21a2d069202fedc125e7ccb003a204013445c85f0bd0d4394d0d7809e
2c29bae7cd23f905b8fdbf4f382abc43c8fb560730744c454df10475dc1bee4b
ec394392a4f1746a6166f78bcefb94ad4b5a4e4fe224fd5c3fa1ff93fb9e26a5
3f56b75e0a22acce7e85ba3b5e24ba8ccdfc573929376671a0ababd8a5db6686

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/ec394392a4f1746a6166f78bcefb94ad4b5a4e4fe224fd5c3fa1ff93fb9e26a5

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

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:	crime_win32_ransom_avaddon_1 Create hunting rule
Author:	@VK_Intel
Description:	Detects Avaddon ransomware
Reference:	https://twitter.com/VK_Intel/status/1300944441390370819

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:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

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_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:	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

https://www.capesandbox.com/analysis/25385/

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