MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5690a8784a72840def954a1bfa1ecc493e47d7ff013801feba99a1f75c17f30c. 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: 15

Intelligence 15 IOCs YARA 25 File information Comments

SHA256 hash:	5690a8784a72840def954a1bfa1ecc493e47d7ff013801feba99a1f75c17f30c
SHA3-384 hash:	aa4badbaecb248ddb5b4b69a17e5704041b854ca7e6fd84129da689d4352bf778b28ffea7763a2a67c86c4a7e2620086
SHA1 hash:	5b2e7ef488bc66a01d8c5f7cd5478690e76a783d
MD5 hash:	dfa212b406c61eee874521cefb48a72d
humanhash:	oregon-florida-nebraska-september
File name:	5690a8784a72840def954a1bfa1ecc493e47d7ff013801feba99a1f75c17f30c
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'014'272 bytes
First seen:	2026-09-10 10:41:01 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'249 x AgentTesla, 20'553 x Formbook, 12'385 x SnakeKeylogger)
ssdeep	24576:AhVaYxrP0l2Ix2c4VRNAXuONBV4YxwM7GNO25:FYxol2Ix4rqTpTdaNOe
TLSH	T17025220463A8DE86D56A13795E74E33053B9BD6FA530D25ACFE9BCDB3A36B041812303
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 :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

RoboSki

Details

Link:

https://research.acce.ciphertechsolutions.com/results/db5832be-6725-4798-a5e9-66f8786afda7/

Malware family:

n/a

ID:

File name:

exe

Verdict:

No threats detected

Analysis date:

2026-09-10 11:42:23 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/febd3e25-9806-4bd6-a811-415b1d4ff610

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/84794/

Verdict:

Malicious

Score:

94.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ac950457dee0dd63c37fd93

Tags:

virus micro msil

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:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/5690a8784a72840def954a1bfa1ecc493e47d7ff013801feba99a1f75c17f30c

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-08-17T13:11:00Z UTC

Last seen:

2026-09-11T18:29:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/5690a8784a72840def954a1bfa1ecc493e47d7ff013801feba99a1f75c17f30c/results?tab=lookup

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/12a4d23a-f635-4e28-8637-70017d483837

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/5690a8784a72840def954a1bfa1ecc493e47d7ff013801feba99a1f75c17f30c

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.39 Win 32 Exe x86

Link:

https://app.malva.re/file/dfa212b406c61eee874521cefb48a72d

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5690a8784a72840def954a1bfa1ecc493e47d7ff013801feba99a1f75c17f30c/

Threat name:

Win32.Trojan.MassLogger

Status:

Malicious

First seen:

2026-09-10 10:41:37 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=k2ikq6ckokca334vjin7uhwmje7epv77ae4ad7v2tgq7oxax6mga._file

Verdict:

malicious

Label(s):

Formbook

Link:

https://reports.threatray.com/13e35478-7fee-4c91-8b4b-6f078f355007

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/260910-mrcg7abj6z/

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:

5690a8784a72840def954a1bfa1ecc493e47d7ff013801feba99a1f75c17f30c

MD5 hash:

dfa212b406c61eee874521cefb48a72d

SHA1 hash:

5b2e7ef488bc66a01d8c5f7cd5478690e76a783d

Link:

https://www.unpac.me/results/a6b7cae5-cc99-41b3-b1d8-c3aca6aa7715/

SH256 hash:

18faa871fb087619315efc24631ccb8f3528b10611ae2632f8180708bf4654a8

MD5 hash:

8b8ad2392c2cd03ef5537ad65d2646d7

SHA1 hash:

015ccd559020d5b61da1b26fd09d64d69b5fae18

Detections:

INDICATOR_EXE_Packed_SmartAssembly

Link:

https://www.unpac.me/results/a6b7cae5-cc99-41b3-b1d8-c3aca6aa7715/

Parent samples :
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SH256 hash:

3694874207fd2fc052d86e34b168444fed5bf366ec1b4374721b54c49777d2dc

MD5 hash:

45ee31c4483121adfcb12bdd06025e2d

SHA1 hash:

f487c3e3cec443ce11237c7c35986fc01416336d

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

Link:

https://www.unpac.me/results/a6b7cae5-cc99-41b3-b1d8-c3aca6aa7715/

SH256 hash:

0cee06c04a04501067494e439ce0b06e9e90883828a99ab4b6f89c236116d1ea

MD5 hash:

741e5ebbfa5e05e3e8955340de3533de

SHA1 hash:

15c842f937f303c334ca22308e4963aa9e6bfe8a

Link:

https://www.unpac.me/results/a6b7cae5-cc99-41b3-b1d8-c3aca6aa7715/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/5690a8784a72/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/5690a8784a72840def954a1bfa1ecc493e47d7ff013801feba99a1f75c17f30c

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

https://www.capesandbox.com/analysis/84794/

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