MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d59ae2bb7c7b0e2197249fb8b45e75a764b0b3bb0a2798d92f7053122a98852d. 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 20 File information Comments

SHA256 hash:	d59ae2bb7c7b0e2197249fb8b45e75a764b0b3bb0a2798d92f7053122a98852d
SHA3-384 hash:	de6ff1431d2d4358c4204c5c80b4c97fbdfe8e0a29ed40453b1e2a9f8eb8e57b40c0e059860a51da0e70da3ea492942d
SHA1 hash:	cf080b7b59bb1b31b1093f0ed9c5795ac76214e8
MD5 hash:	b8a377be5d0b06abb2326267510c98a9
humanhash:	emma-paris-pizza-alpha
File name:	d59ae2bb7c7b0e2197249fb8b45e75a764b0b3bb0a2798d92f7053122a98852d
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'060'352 bytes
First seen:	2026-09-10 14:22:52 UTC
Last seen:	2026-10-19 07:30:05 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'294 x AgentTesla, 20'712 x Formbook, 12'401 x SnakeKeylogger)
ssdeep	24576:rmHo+YdubrJOgJl+1ysNyfEm1pOhWJh6PV1jSJsDPHtIoN1AV8:rmHwdsrcylOQD/Oh5nmJ4/3SV
TLSH	T11B3512A563A1FB16D6BE5BB00932D63157B62D8EAD21D326CFEC8CEB35647009D04783
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	060e0e0e06969696 (46 x Formbook, 1 x AgentTesla)
Reporter	adrian__luca
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

150

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

RoboSki

Details

Link:

https://research.acce.ciphertechsolutions.com/results/adade34e-69b8-433b-af4c-0ebeb6231f23/

Detection:

Formbook

Link:

https://www.capesandbox.com/analysis/84985/

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.3326.77695187.UNOFFICIAL

Verdict:

Malicious

Score:

95.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6aca1ca290738d8a241398b2

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)

Blocking the Windows Defender launch

Verdict:

Malicious

Labled as:

FormBook.Generic

Link:

https://www.hybrid-analysis.com/sample/d59ae2bb7c7b0e2197249fb8b45e75a764b0b3bb0a2798d92f7053122a98852d

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-08-28T04:38:00Z UTC

Last seen:

2026-09-11T22:30:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/d59ae2bb7c7b0e2197249fb8b45e75a764b0b3bb0a2798d92f7053122a98852d/results?tab=lookup

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/2e8167fc-32d8-45b8-a88e-229006f4f88c

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/d59ae2bb7c7b0e2197249fb8b45e75a764b0b3bb0a2798d92f7053122a98852d

Verdict:

inconclusive

YARA:

6 match(es)

Tags:

.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.37 Win 32 Exe x86

Link:

https://app.malva.re/file/b8a377be5d0b06abb2326267510c98a9

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d59ae2bb7c7b0e2197249fb8b45e75a764b0b3bb0a2798d92f7053122a98852d/

Threat name:

ByteCode-MSIL.Backdoor.FormBook

Status:

Malicious

First seen:

2026-08-29 01:39:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 36 (69.44%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=2wnofo34pmhcdfzet64lixtvu5slbm53bitzrwjpobjrekuyquwq._file

Verdict:

malicious

Label(s):

Formbook

Link:

https://reports.threatray.com/876fdbdc-5495-4c6f-b16d-6edc14f0305f

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery evasion rat spyware stealer trojan

Link:

https://tria.ge/reports/260910-rqapesdl6s/

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

Modifies Windows Defender DisableAntiSpyware settings

Unpacked files

SH256 hash:

d59ae2bb7c7b0e2197249fb8b45e75a764b0b3bb0a2798d92f7053122a98852d

MD5 hash:

b8a377be5d0b06abb2326267510c98a9

SHA1 hash:

cf080b7b59bb1b31b1093f0ed9c5795ac76214e8

Link:

https://www.unpac.me/results/82f0d73a-6c93-4c5e-bee2-52c4e3c085c3/

SH256 hash:

2b0a3e1c220e8a98eb358a391da117b853882e411df4c9bbf54acc7ae629061f

MD5 hash:

38181717c94e497221567b84b23a75d0

SHA1 hash:

48332b950e1ee5fb10c3ee5eb8705e01e603edda

Detections:

INDICATOR_EXE_Packed_SmartAssembly

Link:

https://www.unpac.me/results/82f0d73a-6c93-4c5e-bee2-52c4e3c085c3/

Parent samples :
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SH256 hash:

8ea0a4341cd6f850a1ed1b3ef76e9b8f9997eb4b04f75b7fcb3b87ad4b4cc788

MD5 hash:

c066628dac6c3ec3281711a6e4e76ddc

SHA1 hash:

d50a9abfe31369b29f093cb6f26357e858574008

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

Link:

https://www.unpac.me/results/82f0d73a-6c93-4c5e-bee2-52c4e3c085c3/

SH256 hash:

0aca3c39b8c20307b95837586d3c02a49b22613ca19469819af9716a066f6eb0

MD5 hash:

1f47e045ae948e114c740b5f31d40ca5

SHA1 hash:

eff74fa9390241d126ce837d3cf2a6fe21142e32

Link:

https://www.unpac.me/results/82f0d73a-6c93-4c5e-bee2-52c4e3c085c3/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/d59ae2bb7c7b/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/d59ae2bb7c7b0e2197249fb8b45e75a764b0b3bb0a2798d92f7053122a98852d

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:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

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/84985/

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