MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ecfb51ff907aa4ce061fc785d538dea834514b6eaa8e36d25e43c9fe906d089. 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: 13


Intelligence 13 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5ecfb51ff907aa4ce061fc785d538dea834514b6eaa8e36d25e43c9fe906d089
SHA3-384 hash: 0bbe5bbb3b8872b1afaa87317f6bf9911b5e138cc59d41d73ff5ebee3088dd62c90662694aa135d3283fe9bf4b877036
SHA1 hash: 265b0a7a24476ce091e42451c7773e5607e58d95
MD5 hash: 8c3f825d19e4609222d33be84d64f2d0
humanhash: cat-juliet-oscar-steak
File name:5ecfb51ff907aa4ce061fc785d538dea834514b6eaa8e36d25e43c9fe906d089
Download: download sample
Signature Formbook
Create hunting rule
File size:1'251'840 bytes
First seen:2026-02-05 15:01:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (376 x Formbook, 117 x AgentTesla, 58 x a310Logger)
ssdeep 24576:F5EmXFtKaL4/oFe5T9yyXYfP1ijXdaZiY5kt7gSkcREHhhYs:FPVt/LZeJbInQRaZ1ktSGEB
Threatray 1 similar samples on MalwareBazaar
TLSH T11B45CF0273D1D062FFAB91734B56F6115BBC7A260123A62F13981DB9BE701B1463E7A3
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 :
1
# of downloads :
74
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
AutoIt
Details
AutoIt
extracted scripts and files
Link:
https://research.acce.ciphertechsolutions.com/results/d984b830-68d5-449a-8e32-84d6329809b9/
Malware family:
n/a
ID:
1
File name:
5ecfb51ff907aa4ce061fc785d538dea834514b6eaa8e36d25e43c9fe906d089
Verdict:
No threats detected
Analysis date:
2026-02-05 16:02:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e39293b6-1069-433f-9d7c-6d865bb58cfc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/51873/
Detection(s):
SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6984b118117f8ed80109c4da
Tags:
autoit emotet
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/5ecfb51ff907aa4ce061fc785d538dea834514b6eaa8e36d25e43c9fe906d089
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-11T22:10:00Z UTC
Last seen:
2026-02-05T05:55:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/5ecfb51ff907aa4ce061fc785d538dea834514b6eaa8e36d25e43c9fe906d089/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9c77a21a-9767-4084-b236-6e39f2ec3db0
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5ecfb51ff907aa4ce061fc785d538dea834514b6eaa8e36d25e43c9fe906d089
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5ecfb51ff907aa4ce061fc785d538dea834514b6eaa8e36d25e43c9fe906d089/
Threat name:
Win32.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-01-12 01:05:47 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l3h3kh7za6vezydb7r4f2u4n5kbukffw5kuog3jf4q6j72ig2ceq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260205-semqaagx8h/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
5ecfb51ff907aa4ce061fc785d538dea834514b6eaa8e36d25e43c9fe906d089
MD5 hash:
8c3f825d19e4609222d33be84d64f2d0
SHA1 hash:
265b0a7a24476ce091e42451c7773e5607e58d95
Link:
https://www.unpac.me/results/90aaa800-6be9-4572-b5ee-df110a151fdb/
SH256 hash:
333440f1ec3ee5d6b5cb6dcad3e08fbb4b94e1bbd9ecb866b01d7e9b27749f71
MD5 hash:
cf6c3ab5ffdf60532336db0677ec676e
SHA1 hash:
0d3e6f1f52050b075331b5660e0c0eb154a85311
Link:
https://www.unpac.me/results/90aaa800-6be9-4572-b5ee-df110a151fdb/
SH256 hash:
52d58f8ebc4bc9d2fb5175778cd01e8ea7b18aa9704b0ef0b5f9045c027025fb
MD5 hash:
f6d3c9ccdf648473efa78eb93f48ff49
SHA1 hash:
41a4d9253b949a1711cbc0bdbf942ea704abf366
Link:
https://www.unpac.me/results/90aaa800-6be9-4572-b5ee-df110a151fdb/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5ecfb51ff907/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/5ecfb51ff907aa4ce061fc785d538dea834514b6eaa8e36d25e43c9fe906d089

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_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:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/51873/

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