MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47398f00a7557a3496748655a24cf004ed68c42cc4560235eee82a8f3ea89c35. 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: 17

Intelligence 17 IOCs YARA 14 File information Comments

SHA256 hash:	47398f00a7557a3496748655a24cf004ed68c42cc4560235eee82a8f3ea89c35
SHA3-384 hash:	2efa6fe8b0215b259134f52bfd5ef8c383fd93c38771589b92e40ceff3a51fb3464fd9c3a33913fd9e038319fb3e0151
SHA1 hash:	1ac8c24e62df4a8368e22163bc3d62948ed90a7e
MD5 hash:	b09d0db0492adbaff3ed3b074913e266
humanhash:	fourteen-comet-six-nineteen
File name:	Payment_Advice.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'096'704 bytes
First seen:	2025-04-24 08:14:49 UTC
Last seen:	2025-05-09 14:05:18 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep	24576:stb20pkaCqT5TBWgNQ7aHHmjum/gG22xj+G6A:VVg5tQ7aHHmNR2yt5
Threatray	4'074 similar samples on MalwareBazaar
TLSH	T11D35CF1363DDC361C7B25273BA15B701BEBF782506A5F96B2FD8093DE820162521EA73
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	threatcat_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

502

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

5d9651f7125e3541864ee137923c57bc418027e2a7f1f80649e1d5a774c0646e

Verdict:

Suspicious activity

Analysis date:

2025-04-24 03:02:42 UTC

Tags:

arch-exec

Link:

https://app.any.run/tasks/f66a6e7c-216f-4d91-a789-3bc7ab799a4d

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/3833/

Detection(s):

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6809a9d1a37ff28e1298f812

Tags:

autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Сreating synchronization primitives

Launching cmd.exe command interpreter

Setting browser functions hooks

Unauthorized injection to a system process

Unauthorized injection to a browser process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

autoit compiled-script entropy fingerprint keylogger masquerade microsoft_visual_cc obfuscated packed packed packer_detected

Link:

https://www.filescan.io/uploads/6809f316a8d43a4dd61122be/reports/e4cf7028-f7b9-415e-8b8b-21e076d6b25e/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/47398f00a7557a3496748655a24cf004ed68c42cc4560235eee82a8f3ea89c35

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/0cefcc04-4c84-4151-8c28-b1b05fb78ec9

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1672783

Signature

Binary is likely a compiled AutoIt script file

C2 URLs / IPs found in malware configuration

Found malware configuration

Initial sample is a PE file and has a suspicious name

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for submitted file

Performs DNS queries to domains with low reputation

Queues an APC in another process (thread injection)

Sample uses process hollowing technique

Switches to a custom stack to bypass stack traces

Tries to detect virtualization through RDTSC time measurements

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/47398f00a7557a3496748655a24cf004ed68c42cc4560235eee82a8f3ea89c35

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/47398f00a7557a3496748655a24cf004ed68c42cc4560235eee82a8f3ea89c35/

Threat name:

Win32.Backdoor.FormBook

Status:

Malicious

First seen:

2025-04-24 02:38:24 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=i44y6afhkv5djftuqzk2ethqatwwrrbmyrlaenpo5avi6pvitq2q._file

Verdict:

malicious

Label(s):

unc_loader_036

autoit

formbook

Formbook

4bf978ec447793b5945d346db1d2c4f9585cd9314071f13a79bb070577419696

Formbook

594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730

Formbook

6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36

Formbook

7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce

Formbook

b7c14a475a2ba29399c424d9dfc6198d534713945e434a021fcf9c6c34e3826b

Formbook

e5eda013173004830010766af13273e9ee2b96c0c63628a531945e4e8c0da884

Formbook

e9357223834b955c93bbd3e8f48563670a44161f92a15717774f4df9b825f0b6

Formbook

+ 4'064 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:fs24 discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/250424-j5k5psykt3/

Behaviour

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

AutoIT Executable

Suspicious use of SetThreadContext

Formbook payload

Formbook

Formbook family

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/e726143e-c781-4970-ab0b-519a6b98c2ce

Unpacked files

SH256 hash:

47398f00a7557a3496748655a24cf004ed68c42cc4560235eee82a8f3ea89c35

MD5 hash:

b09d0db0492adbaff3ed3b074913e266

SHA1 hash:

1ac8c24e62df4a8368e22163bc3d62948ed90a7e

Link:

https://www.unpac.me/results/92056765-92e7-4227-8d92-384ce9e83a55/

SH256 hash:

70b829befc7803cd6ca56b703a080db7b7355bb683f1e3e4999485f2e38cb17e

MD5 hash:

81f45f2f16ee9a5fb715521424681fef

SHA1 hash:

3dc30736379a003f37c1dfcc40d9e44e39a0f6cc

Link:

https://www.unpac.me/results/92056765-92e7-4227-8d92-384ce9e83a55/

SH256 hash:

a762a95eea3116d09635695714db97de1d29c402093825e1961e810a9c44df00

MD5 hash:

291a890b96a2f076f08ab44a4bed4287

SHA1 hash:

f278384f62dc5f19bb1605c437737f7a660051cb

Detections:

win_formbook_w0

win_formbook_g0

win_formbook_auto

FormBook

Windows_Trojan_Formbook

Formbook

Link:

https://www.unpac.me/results/92056765-92e7-4227-8d92-384ce9e83a55/

Parent samples :

47398f00a7557a3496748655a24cf004ed68c42cc4560235eee82a8f3ea89c35
e7a9b2dd7704150ab2c868523774f0ef10c2c117a180c6ef029d0a5d92e9fd1e
e5635b5f977055ec47b6067094442adee05e4b8b3c125d82a0855e420d4fdf66
e62d28f1cb3573eeb9b8c3255e36874343ab674229e9175eb612d5de2919f6a6
15525aadbe6cafed08453ddf093153bdf7faeb2d19f22349a31bf59f79c5e03b
9d0f61e791157c9ddf6445ab94ca9ad7935633472c1c6f7f7d8bc99bb129fcd2

Malware family:

XLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/47398f00a755/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/47398f00a7557a3496748655a24cf004ed68c42cc4560235eee82a8f3ea89c35

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:	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:	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:	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:	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)

Rule name:	YahLover Create hunting rule
Author:	Kevin Falcoz
Description:	YahLover

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

exe 47398f00a7557a3496748655a24cf004ed68c42cc4560235eee82a8f3ea89c35

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/3833/

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::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW
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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