MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 236b08b0e0f17fe21c3b576b1e78dfb42ba27b2092131da076ee3fc04cecd0b1. 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: 13

Intelligence 13 IOCs YARA 11 File information Comments

SHA256 hash:	236b08b0e0f17fe21c3b576b1e78dfb42ba27b2092131da076ee3fc04cecd0b1
SHA3-384 hash:	5dc3f1e9a9d4a2ab76ee49b9284362548ddbad98e07ba7e58bd4fdf9b733acf9da90d25a22d41b052522197d3fadcd77
SHA1 hash:	bba94c8aa00c83eb4842bd3d94468eeb7bad3367
MD5 hash:	885f42e4d26acd42fd3efcb5c6f04276
humanhash:	london-black-video-oranges
File name:	236b08b0e0f17fe21c3b576b1e78dfb42ba27b2092131da076ee3fc04cecd0b1
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'305'088 bytes
First seen:	2025-07-07 15:16:21 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	0b768923437678ce375719e30b21693e (143 x Formbook, 25 x MassLogger, 22 x SnakeKeylogger)
ssdeep	24576:15EmXFtKaL4/oFe5T9yyXYfP1ijXdavnXT1DDsbvX8:1PVt/LZeJbInQRavnXpfsb
Threatray	3 similar samples on MalwareBazaar
TLSH	T17755CF0273D1C062FFAB92734B56F6115BBC79260123A62F13981D7ABE701B1563E7A3
TrID	40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	adrian__luca
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection:

Formbook

Link:

https://www.capesandbox.com/analysis/13287/

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=686be518900df8e7f868556e

Tags:

autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Сreating synchronization primitives

Unauthorized injection to a system process

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/236b08b0e0f17fe21c3b576b1e78dfb42ba27b2092131da076ee3fc04cecd0b1

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/236b08b0e0f17fe21c3b576b1e78dfb42ba27b2092131da076ee3fc04cecd0b1

Verdict:

Malware

YARA:

7 match(es)

Tags:

AutoIt Decompiled Executable PDB Path PE (Portable Executable) Suspect Win 32 Exe x86

Link:

https://app.malva.re/file/885f42e4d26acd42fd3efcb5c6f04276

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/236b08b0e0f17fe21c3b576b1e78dfb42ba27b2092131da076ee3fc04cecd0b1/

Threat name:

Win32.Trojan.Kepavll

Status:

Malicious

First seen:

2025-06-27 03:48:59 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=envqrmha6f76ehb3k5vr46g7wqv2e6zasijr3idw5y74athm2cyq._file

Verdict:

malicious

Label(s):

unc_loader_036

Formbook

236b08b0e0f17fe21c3b576b1e78dfb42ba27b2092131da076ee3fc04cecd0b1

Formbook

error

Formbook

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/250707-snpagagm8v/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Formbook payload

Formbook

Formbook family

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/ac0644b7-e337-429d-8dac-1f930dd24fd2

Unpacked files

SH256 hash:

236b08b0e0f17fe21c3b576b1e78dfb42ba27b2092131da076ee3fc04cecd0b1

MD5 hash:

885f42e4d26acd42fd3efcb5c6f04276

SHA1 hash:

bba94c8aa00c83eb4842bd3d94468eeb7bad3367

Link:

https://www.unpac.me/results/39564462-0e36-46cd-ae55-d6b1f4d743f8/

SH256 hash:

cca5637b95f7d7acee35343963043da17945ae19cfc09400b0fa50577a14d764

MD5 hash:

87468623f3f1888d5fb351d38a84b47a

SHA1 hash:

6ec24ce483ca842b7145afd1cc96c3f7c152f549

Link:

https://www.unpac.me/results/39564462-0e36-46cd-ae55-d6b1f4d743f8/

SH256 hash:

8b430aa81e77139afe1c4f925d69cc63d29d30d0cf4ca16d29bf95768fdefcd1

MD5 hash:

cdc001b4cbf3fc8571238f40a66aade6

SHA1 hash:

359f70c49cf002c756ce23283582d475a1048267

Link:

https://www.unpac.me/results/39564462-0e36-46cd-ae55-d6b1f4d743f8/

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/236b08b0e0f17fe21c3b576b1e78dfb42ba27b2092131da076ee3fc04cecd0b1

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Formbook Create hunting rule
Author:	kevoreilly
Description:	Formbook Payload

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

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	pe_detect_tls_callbacks 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:	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:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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/13287/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::CopySid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::GetAce
COM_BASE_API	Can Download & Execute components	ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoCreateInstanceEx ole32.dll::CoInitializeSecurity ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::mciSendStringW WINMM.dll::timeGetTime WINMM.dll::waveOutSetVolume
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateProcessW ADVAPI32.dll::CreateProcessWithLogonW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileExW KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LogonUserW ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetAddConnection2W MPR.dll::WNetUseConnectionW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegConnectRegistryW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW

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