MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78ddb86c7e16686c4ef2cc8d7ebb72291ded39f9168247645e67cc0f650c15c8. 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: 12


Intelligence 12 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 78ddb86c7e16686c4ef2cc8d7ebb72291ded39f9168247645e67cc0f650c15c8
SHA3-384 hash: 1a07cfd628b91145b93839307bec8aa8f227aaad57e29f1d27e6f5c814f13a178495886bf92ad2147f04dcc54d7db10a
SHA1 hash: 13a313b6669ca8f828106db45ede5ee202c64d62
MD5 hash: e278f6558f4d2f78b2ac2f228d9389dc
humanhash: butter-india-may-foxtrot
File name:SecuriteInfo.com.Variant.Application.Fragtor.34236.95677465
Download: download sample
Signature Formbook
Create hunting rule
File size:285'184 bytes
First seen:2026-04-15 09:35:20 UTC
Last seen:2026-04-15 10:30:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:OfNqytPyvdsjt2Am3OKN+NMZjH6e33Y6aB8elL59nD8iNqBreAO:OfuWKN+KJ3I6apnD8iNqBSAO
Threatray 2'696 similar samples on MalwareBazaar
TLSH T13C54221CFEC30AF9FD74A6B6F543F4E905BC56A0408CB0EFE346229889569E897D3152
TrID 34.1% (.EXE) Win64 Executable (generic) (6522/11/2)
23.5% (.EXE) Win32 Executable (generic) (4504/4/1)
10.7% (.ICL) Windows Icons Library (generic) (2059/9)
10.6% (.EXE) OS/2 Executable (generic) (2029/13)
10.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
FR FR
Vendor Threat Intelligence
Malware configuration found for:
FormBook
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1cadf8f0-5ba4-4be0-a979-5a4f006a520f/
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Application.Fragtor.34236.95677465
Verdict:
No threats detected
Analysis date:
2026-04-15 09:41:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bcf58e19-2579-43ae-9c24-dc8f50f4c2ec

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/61701/
Detection(s):
SecuriteInfo.com.Variant.Application.Fragtor.34236.95677465.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69df5c1645787c53e539e57e
Tags:
injection obfusc virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/78ddb86c7e16686c4ef2cc8d7ebb72291ded39f9168247645e67cc0f650c15c8
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-23T14:03:00Z UTC
Last seen:
2026-01-18T15:28:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/78ddb86c7e16686c4ef2cc8d7ebb72291ded39f9168247645e67cc0f650c15c8/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e0c976b5-0d6c-4b0c-9f9b-61c42eab4f44
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/78ddb86c7e16686c4ef2cc8d7ebb72291ded39f9168247645e67cc0f650c15c8
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/78ddb86c7e16686c4ef2cc8d7ebb72291ded39f9168247645e67cc0f650c15c8/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-12-23 18:12:55 UTC
File Type:
PE (Exe)
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pdo3q3d6czugytxszsgx5o3sfeo62opzc2beozc6m7ga6zimcxea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
096969ec03672f1e696a96deebf1f6d4d5e285e77c7aea8ea676cf37f8e5e91a
Formbook
11e6fb6d0a431b017cdadd0500e22ec184841935e47a064c0fd2d1405e123bcd
Formbook
13d335504add2ad1572849d81480799152d1ad77265af1054ab32f636e8a2b9b
Formbook
28f959fc9483c245c25c6beedc3f449913aeeef3810e43bfb251bc7cb3a998f9
Formbook
3670524ce92f486f2f2f90a5f78f871c0bf1484e8c59cb8eb473b9ed516aa535
Formbook
3dc467a7a9bcfa23fe34b6dc2932597bb7bbe79108e3d11dbc52b0bd135ef8e2
Formbook
5c0bdefeb2e965c9cb1aa42e28b84b31e11693b4438c47e97be98fb1b496d940
Formbook
dfed63b79f6717780218b10502d7e52ed5578550c10a9e0f100a804b63714684
Formbook
error
Formbook
+ 2'686 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/260415-lkr4maaz3k/
Behaviour
Suspicious behavior: EnumeratesProcesses
Program crash
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
78ddb86c7e16686c4ef2cc8d7ebb72291ded39f9168247645e67cc0f650c15c8
MD5 hash:
e278f6558f4d2f78b2ac2f228d9389dc
SHA1 hash:
13a313b6669ca8f828106db45ede5ee202c64d62
Link:
https://www.unpac.me/results/76afd1f4-fc57-46fe-a082-e1807a81c51f/
SH256 hash:
b7076170a12a1ebc91dd68ed5f8b56de50e3945fff27d44bdf8df1b01324f55b
MD5 hash:
74791b51cddc37cfa54e96db47b2dc9d
SHA1 hash:
d9adfe49e8e0785974620c85c6b512bada160d1e
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/76afd1f4-fc57-46fe-a082-e1807a81c51f/
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: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__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_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_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.

Web download

Formbook

Executable exe 78ddb86c7e16686c4ef2cc8d7ebb72291ded39f9168247645e67cc0f650c15c8

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/61701/
  
URLhaus
https://urlhaus.abuse.ch/url/3822228/
  
Delivery method
Distributed via web download

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