MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 394de6f615eb28a21c4d930a40aa398baa6d5a0322467a851f45227ac3e5494f. 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: 9


Intelligence 9 IOCs YARA 21 File information Comments

SHA256 hash: 394de6f615eb28a21c4d930a40aa398baa6d5a0322467a851f45227ac3e5494f
SHA3-384 hash: 5625e68b936ae3173f01d24dfc2a84a563e5e3f6d71ad06553fccf46a870dbe282b72b3e4fbc8a54c87fb3b801f13276
SHA1 hash: 976a39805a5509f38dbb13e5aa5a1204a88b319f
MD5 hash: ccf54574b00d25ed5fa4ac7ad261ef3d
humanhash: bacon-mockingbird-angel-carpet
File name:Halkbank,pdf.7z
Download: download sample
Signature Formbook
File size:712'537 bytes
First seen:2025-08-25 07:44:00 UTC
Last seen:2025-08-27 08:44:12 UTC
File type: 7z
MIME type:application/x-rar
ssdeep 12288:DPrDWi6Xa5kZK3Z1d/Cy67ZvauTKEYBmmnowgZ28lZ3E8eItLBXCG:b+i6aqZK9ay6l1iLnoPJE8eoFyG
TLSH T166E433A8CA144028E918B15FCC68D20F722576951FA7AF6680538EC32B5D9E4CE76FF4
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:7z FormBook payment


Avatar
cocaman
Malicious email (T1566.001)
From: "T. HALK BANKASI <EKSTRE@halkbank.com.tr >" (likely spoofed)
Received: "from halkbank.com.tr (unknown [172.245.23.154]) "
Date: "25 Aug 2025 15:58:42 +0200"
Subject: "RE: HALKBANKASI A.S. PAYMENT CONFIRMATION"
Attachment: "Halkbank,pdf.7z"

Intelligence


File Origin
# of uploads :
2
# of downloads :
48
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Halkbank,pdf.exe
File size:1'240'576 bytes
SHA256 hash: b3519529f6d34d7fa3108901fe68b12f4577de4e610433e1ae733666fd8f1126
MD5 hash: 76f13ced9abe39f3dcd3056fd4acf5a3
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
91.7%
Tags:
autoit emotet
Result
Verdict:
Malicious
File Type:
PE File
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint keylogger lolbin microsoft_visual_cc packed reg threat
Verdict:
Malicious
File Type:
rar
First seen:
2025-08-25T01:43:00Z UTC
Last seen:
2025-08-25T01:43:00Z UTC
Hits:
~100
Gathering data
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-08-25 07:24:40 UTC
File Type:
Binary (Archive)
Extracted files:
29
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
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
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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
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
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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

7z 394de6f615eb28a21c4d930a40aa398baa6d5a0322467a851f45227ac3e5494f

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments