MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c85a30c981d3428c2a25ee4718f45cfe10d2eb0c40d34b92686eee14430da8c. 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: 16

Intelligence 16 IOCs YARA 23 File information Comments

SHA256 hash:	5c85a30c981d3428c2a25ee4718f45cfe10d2eb0c40d34b92686eee14430da8c
SHA3-384 hash:	e1f6691b58936b1c76e2a95f94d52b890786fd8b0951cedf3c612a4dd64f76c091b2928a521b4496b6303bcf1e860188
SHA1 hash:	8006cbb093610b78aad6a271bd6000e89ff71189
MD5 hash:	926b9ec899c4d47efb8b7c2f38ec16e6
humanhash:	violet-pennsylvania-early-mississippi
File name:	5c85a30c981d3428c2a25ee4718f45cfe10d2eb0c40d34b92686eee14430da8c
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'342'976 bytes
First seen:	2026-10-19 07:59:04 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'287 x AgentTesla, 20'689 x Formbook, 12'401 x SnakeKeylogger)
ssdeep	24576:0KO5CY598pPTBnFVe7HVSyvf3EIx20WO45O2onaS/nkLaPlNt:rO5v8TFVCfvfD2xE2aaS/dHt
TLSH	T1C755E0643528AE17C67993F50A71E27403FA2E9A6429D6CE5EC6BDDF7DE0F004E00693
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
dhash icon	8000307251780280 (4 x Formbook, 1 x AsyncRAT, 1 x MassLogger)
Reporter	adrian__luca
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

163

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

RoboSki

Details

Link:

https://research.acce.ciphertechsolutions.com/results/919c8d20-1273-438d-b362-1fda167b75be/

Malware family:

n/a

ID:

File name:

exe

Verdict:

Malicious activity

Analysis date:

2026-10-19 12:30:33 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/7b0a3ab2-67f9-4347-8feb-5c9e29f4be06

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/92769/

Detection(s):

SecuriteInfo.com.Trojan.BankBot.3644.32175.12697.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ad5e589afb06e650cd7d763

Tags:

virus micro cupi

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a custom TCP request

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)

Blocking the Windows Defender launch

Gathering data

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/5c85a30c981d3428c2a25ee4718f45cfe10d2eb0c40d34b92686eee14430da8c

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-09-07T01:27:00Z UTC

Last seen:

2026-10-19T04:57:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/5c85a30c981d3428c2a25ee4718f45cfe10d2eb0c40d34b92686eee14430da8c/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/eba2de91-e185-4b47-b0ab-7b8adf8143da

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/5c85a30c981d3428c2a25ee4718f45cfe10d2eb0c40d34b92686eee14430da8c

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.43 Win 32 Exe x86

Link:

https://app.malva.re/file/926b9ec899c4d47efb8b7c2f38ec16e6

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5c85a30c981d3428c2a25ee4718f45cfe10d2eb0c40d34b92686eee14430da8c/

Threat name:

ByteCode-MSIL.Backdoor.FormBook

Status:

Malicious

First seen:

2026-09-07 04:28:05 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 36 (72.22%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=lsc2gdeydu2crqvcl3shdd2fz7qq2lvqyqgtjojgq3xocrbq3kga._file

Verdict:

malicious

Label(s):

Formbook

XWorm

Link:

https://reports.threatray.com/9a92691a-844f-416b-9418-2310dff7e88f

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery evasion rat spyware stealer trojan

Link:

https://tria.ge/reports/261019-jvhxlazz5l/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Family: Formbook

Formbook payload

Modifies Windows Defender DisableAntiSpyware settings

Unpacked files

SH256 hash:

5c85a30c981d3428c2a25ee4718f45cfe10d2eb0c40d34b92686eee14430da8c

MD5 hash:

926b9ec899c4d47efb8b7c2f38ec16e6

SHA1 hash:

8006cbb093610b78aad6a271bd6000e89ff71189

Link:

https://www.unpac.me/results/196add0b-15ff-483c-8ed7-e19f6e78fa92/

SH256 hash:

e28e5b1c2a589954b8b731287280241673dccfe773e88abd2beab7daff3fd007

MD5 hash:

ab5275d1917b3e26c049baa962425cec

SHA1 hash:

60391c4dd709cf0a752db6f3fba34372a554c1e5

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

Link:

https://www.unpac.me/results/196add0b-15ff-483c-8ed7-e19f6e78fa92/

SH256 hash:

c95b482105c4bb77c9e514b9027be6bf9013a341d8ea0199d86c6e5ea3d13d32

MD5 hash:

38ba700d456f8e8632c44080d7afebe8

SHA1 hash:

ba97e8f8235df1e9aeef784d7a211d66a1254667

Link:

https://www.unpac.me/results/196add0b-15ff-483c-8ed7-e19f6e78fa92/

SH256 hash:

0aca3c39b8c20307b95837586d3c02a49b22613ca19469819af9716a066f6eb0

MD5 hash:

1f47e045ae948e114c740b5f31d40ca5

SHA1 hash:

eff74fa9390241d126ce837d3cf2a6fe21142e32

Link:

https://www.unpac.me/results/196add0b-15ff-483c-8ed7-e19f6e78fa92/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/5c85a30c981d/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Suspicious File

Score:

0.65

Link:

https://yomi.yoroi.company/submissions/5c85a30c981d3428c2a25ee4718f45cfe10d2eb0c40d34b92686eee14430da8c

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:	DotNet_RGB_Embedded_AssemblyLoader_Hunt Create hunting rule
Author:	ShadowOpCode
Description:	Hunt .NET bitmap RGB extraction combined with embedded resources and assembly loading

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	HUNT_NET_Loader_ImagePixel_To_AssemblyLoad Create hunting rule
Author:	Anish Bogati
Description:	Hunting: .NET loader that reads pixel data from an embedded image, loads it as a .NET assembly, and runs it via reflection or late binding. Catches bitmap-steganography loaders.

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/

Rule name:	WIN_Malware_Derialock_ForgeAuto_3127f957_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Derialock (pe, etat extrait)

Rule name:	WIN_Malware_XWorm_ForgeAuto_6b06c990_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects XWorm (pe, etat extrait)

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/92769/

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