MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5. 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 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5
SHA3-384 hash: 3938bcd2f6595781d0cf5ac70b22172ac1acc31cc68c0c0d8fb2bc7f2ab11b8a5eecdd15df4b9325f634f7f2383cd253
SHA1 hash: 97155fcf0b8034dfa2fbbab67929f9028f88ad32
MD5 hash: e7d0e9075b3173c1dd62bc1ebd7902f1
humanhash: march-eleven-helium-charlie
File name:6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5
Download: download sample
Signature Formbook
Create hunting rule
File size:1'027'584 bytes
First seen:2026-08-10 14:07:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'192 x AgentTesla, 20'341 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:q/gqGhF6d45HvlmXzRiD0AlLF4Rg8Vl256Z:q/gDK25HtmjR6FF4u8VkK
TLSH T1DD2523686A0BCD22D9C60BB208B0F7BC46B59DC9D604D3578EFCBED774287067C28995
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/a1685901-baa2-4d92-8bb5-98daf5367cb1/
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79722/
Detection(s):
SecuriteInfo.com.Trojan.Siggen32.63563.14641.21759.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6a79db78d73226c81341cc2b/reports/c828e729-298f-4cd4-93ee-c6ade742c114/overview
Verdict:
Malicious
Labled as:
Yogi.Generic
Link:
https://www.hybrid-analysis.com/sample/6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-08T05:43:00Z UTC
Last seen:
2026-08-12T06:14:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cd3a3edd-5e14-4511-aec9-0a359db68cb1
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-07-08 21:41:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n7fa3j4zzrr3vgbpgegzyc26p5grtzoeush2tk64mc7pn3qk6dcq._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260810-rfkrmswsez/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5
MD5 hash:
e7d0e9075b3173c1dd62bc1ebd7902f1
SHA1 hash:
97155fcf0b8034dfa2fbbab67929f9028f88ad32
Link:
https://www.unpac.me/results/15125941-4e0c-4b60-b1e2-4c2d38d295b2/
SH256 hash:
b857821ade3427a9fd9d83f42150344bc905bda8328fa66ba49d499af64f23ee
MD5 hash:
7842d12d9e37c75076133be5b9904cb2
SHA1 hash:
425f1edac0b53d62a20749a6a69e5a3b260c595f
Link:
https://www.unpac.me/results/15125941-4e0c-4b60-b1e2-4c2d38d295b2/
SH256 hash:
5e792fba0d96be2ef14908ddeebbeb97bb5b38a2176e1453ad870c81e0ed5304
MD5 hash:
0ac57195168bdcef78fed1af11aa85c9
SHA1 hash:
e816a143f7a1e311c98bf020ca20752b71cd4a1b
Link:
https://www.unpac.me/results/15125941-4e0c-4b60-b1e2-4c2d38d295b2/
SH256 hash:
2e3b417f85274b3535ed4f9b6addd6c16c5148e047552518013f3099d4258624
MD5 hash:
af017d5427ca771f0cc8498e96983681
SHA1 hash:
44d92a33fe2818c181304df0999dc814b75738f4
Link:
https://www.unpac.me/results/15125941-4e0c-4b60-b1e2-4c2d38d295b2/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6fca0da799cc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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/79722/

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