MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5fbe89156a39d6398a8536176f3e983b9b052c2e2e79b61f270e033328edf3b. 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 16 File information Comments

SHA256 hash:	e5fbe89156a39d6398a8536176f3e983b9b052c2e2e79b61f270e033328edf3b
SHA3-384 hash:	f8b57815f373530be53f502562cc24b74fc40b775e01f109335621e5cae2264dac4b8dff561d84ab513cbaa6617693ff
SHA1 hash:	d68ea0adeed71934f722d5734a6d95e7e6d12aa7
MD5 hash:	d0016ccdacbdd92e4ad8818ff63775ee
humanhash:	juliet-victor-iowa-arkansas
File name:	PO N° Ches2521997_PDF.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'196'032 bytes
First seen:	2025-06-20 08:03:47 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep	24576:5tb20pkaCqT5TBWgNQ7a5FPs30F52nV5NZ6A:KVg5tQ7a5FPo0F52nVB5
Threatray	2'367 similar samples on MalwareBazaar
TLSH	T14945C01373DE8361C3B25273BA657711BEBB782506A1F96B2FD8093DED20122521E673
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	lowmal3
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

460

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

PO N° Ches2521997_PDF.exe

Verdict:

No threats detected

Analysis date:

2025-06-14 05:09:01 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/a657d783-9390-4161-ae3c-d1dc00ef841c

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/10307/

Detection(s):

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=685516144cf2dc14fa1b176c

Tags:

autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

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:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/e5fbe89156a39d6398a8536176f3e983b9b052c2e2e79b61f270e033328edf3b

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/7cae0aff-b0d7-48c6-afbf-5970486f6413

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1719168

Signature

Binary is likely a compiled AutoIt script file

Initial sample is a PE file and has a suspicious name

Joe Sandbox ML detected suspicious sample

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)

Switches to a custom stack to bypass stack traces

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/e5fbe89156a39d6398a8536176f3e983b9b052c2e2e79b61f270e033328edf3b

Verdict:

Malware

YARA:

7 match(es)

Tags:

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

Link:

https://app.malva.re/file/d0016ccdacbdd92e4ad8818ff63775ee

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e5fbe89156a39d6398a8536176f3e983b9b052c2e2e79b61f270e033328edf3b/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-06-12 00:10:39 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

26 of 38 (68.42%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=4x56rekwuoowhgfiknqxn47jqo43auwc4ltzwypsodqdgmuo345q._file

Verdict:

malicious

Label(s):

autoit

unc_loader_036

Formbook

64292935fd805533322c969877b8eced4b9f761a2b42e3dd38f5a2d7f9894311

Formbook

7ebfc7d3d57781f0b793be860491ea1d055a50c7879a678381dff94aa2624723

Formbook

9e930b0c693aa0db14f212f182111370f1f953de7bb8f376200cc3128f1cfac3

Formbook

df5b8d6a7a811ac7627a8dc7be72f00b5b335a0aff5bdeaaea315197866b0050

Formbook

efa23692aeb1a3c3365ba0c850e3248f4f0009bf386ff101dcd8dafe65f70024

Formbook

+ 2'357 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/250620-jyfawafj9s/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/b31ee07c-9153-437a-888b-a3860cf9a45a

Unpacked files

SH256 hash:

e5fbe89156a39d6398a8536176f3e983b9b052c2e2e79b61f270e033328edf3b

MD5 hash:

d0016ccdacbdd92e4ad8818ff63775ee

SHA1 hash:

d68ea0adeed71934f722d5734a6d95e7e6d12aa7

Link:

https://www.unpac.me/results/8cd7e9aa-8f8d-4ef2-a18e-97202cf79d09/

SH256 hash:

b17ed7e79ad5329b1261cfd4a7e54752abbdc17a32e9d88264a7ba3f8d8dec27

MD5 hash:

02364b5cfdc549c0a628a5c287ee2ffc

SHA1 hash:

57f5786958d8afe9aa4161b34aba10220c37d184

Link:

https://www.unpac.me/results/8cd7e9aa-8f8d-4ef2-a18e-97202cf79d09/

SH256 hash:

b9b4b55306aeb0524834dae0a28344d46e0cd38fc8a531c42e2553746236991e

MD5 hash:

9208c5a17f6b9c4248d9ba9050e6dcc6

SHA1 hash:

5d4a72336a090da5ec4177d3f754c9bb886af58b

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/8cd7e9aa-8f8d-4ef2-a18e-97202cf79d09/

Parent samples :
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Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/e5fbe89156a3/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/e5fbe89156a39d6398a8536176f3e983b9b052c2e2e79b61f270e033328edf3b

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:	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:	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:	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 e5fbe89156a39d6398a8536176f3e983b9b052c2e2e79b61f270e033328edf3b

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/10307/

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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