MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8eade02ff3abef532d9070a1e3ea6f8df6c213748bce1c0f55b75686706a53c4. 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 24 File information Comments

SHA256 hash:	8eade02ff3abef532d9070a1e3ea6f8df6c213748bce1c0f55b75686706a53c4
SHA3-384 hash:	f8753d07bba2bed50d73b478a35cf1927f64abe7f7286b622e4786b9b5017b45b986a16419aa8dad8c7b556ed9a28c9d
SHA1 hash:	fe4a8ecf4a0f744bd9550824daf199af03920821
MD5 hash:	0c6407d325d33ae44fe0ea0fc5f85711
humanhash:	arizona-may-angel-salami
File name:	PO TRO-1075 - TRO-1076 904504608468.pdf.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'120'768 bytes
First seen:	2024-06-07 06:39:18 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep	24576:KAHnh+eWsN3skA4RV1Hom2KXMmHahnQdptU/Nmvvv+zrVV7Dip5:dh+ZkldoPK8YahQdp0geVV7Q
Threatray	1 similar samples on MalwareBazaar
TLSH	T13F35AE0273D1C036FFAB92739B6AF24556BC79254133852F13982DB9BD701B2263E663
TrID	63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 11.6% (.EXE) Win64 Executable (generic) (10523/12/4) 7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
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 :

345

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

8eade02ff3abef532d9070a1e3ea6f8df6c213748bce1c0f55b75686706a53c4.exe

Verdict:

Malicious activity

Analysis date:

2024-06-07 06:44:48 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/6d31c5f3-3920-473b-90a9-774fcaec755d

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Creating a file

Creating a process from a recently created file

Launching a process

Сreating synchronization primitives

Launching cmd.exe command interpreter

DNS request

Setting browser functions hooks

Forced shutdown of a system process

Enabling autorun by creating a file

Unauthorized injection to a system process

Unauthorized injection to a browser process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

autoit epmicrosoft_visual_cc fingerprint keylogger lolbin masquerade microsoft_visual_cc packed shell32

Link:

https://www.filescan.io/uploads/6662ab456b8dba248b3df529/reports/9620b123-9f92-4098-bb1e-c6453c5163b2/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/8eade02ff3abef532d9070a1e3ea6f8df6c213748bce1c0f55b75686706a53c4

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/35fe3548-a8f6-4a84-9f9e-b1a8f8daae82

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1453543

Signature

AI detected suspicious sample

Binary is likely a compiled AutoIt script file

C2 URLs / IPs found in malware configuration

Drops VBS files to the startup folder

Found malware configuration

Initial sample is a PE file and has a suspicious name

Machine Learning detection for dropped file

Machine Learning detection for 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 dropped file

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

Sigma detected: Drops script at startup location

Sigma detected: Suspicious Double Extension File Execution

Sigma detected: WScript or CScript Dropper

Snort IDS alert for network traffic

System process connects to network (likely due to code injection or exploit)

Tries to detect virtualization through RDTSC time measurements

Uses an obfuscated file name to hide its real file extension (double extension)

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/8eade02ff3abef532d9070a1e3ea6f8df6c213748bce1c0f55b75686706a53c4

Detection:

formbook

Link:

https://mwdb.cert.pl/sample/8eade02ff3abef532d9070a1e3ea6f8df6c213748bce1c0f55b75686706a53c4/

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=r2w6al7tvpxvglmqocq6h2tprx3mee3urphbyd2vw5lim4dkkpca._file

Verdict:

malicious

Label(s):

formbook

Formbook

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:rn94 rat spyware stealer trojan

Link:

https://tria.ge/reports/240607-he7qcacf23/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Program crash

AutoIT Executable

Suspicious use of SetThreadContext

Drops startup file

Executes dropped EXE

Loads dropped DLL

Formbook payload

Formbook

Unpacked files

SH256 hash:

e43c25ff7178824b172aa9de2e985b0ccb53562e97da4dc7f34ea0c5515ebf00

MD5 hash:

489d620aedc30017f7636236be8f7741

SHA1 hash:

535bac391ea7b051a50897de5faad5ca9b9d44af

Detections:

FormBook

win_formbook_w0

win_formbook_auto

win_formbook_g0

Formbook

Link:

https://www.unpac.me/results/376d6fe2-dc31-472a-b012-2aa31d3a45c2/

Parent samples :
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SH256 hash:

8eade02ff3abef532d9070a1e3ea6f8df6c213748bce1c0f55b75686706a53c4

MD5 hash:

0c6407d325d33ae44fe0ea0fc5f85711

SHA1 hash:

fe4a8ecf4a0f744bd9550824daf199af03920821

Detections:

AutoIT_Compiled

SUSP_Imphash_Mar23_3

Link:

https://www.unpac.me/results/376d6fe2-dc31-472a-b012-2aa31d3a45c2/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/8eade02ff3ab/report/overview.html

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

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:	Check_OutputDebugStringA_iat Create hunting rule

Rule name:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

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:	Formbook Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Formbook in memory
Reference:	internal research

Rule name:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

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:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research

Rule name:	Windows_Trojan_Formbook Create hunting rule
Author:	@malgamy12

Rule name:	Windows_Trojan_Formbook_1112e116 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach

Rule name:	win_formbook_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.formbook.

Rule name:	win_formbook_w0 Create hunting rule
Author:	@malgamy12

File information

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

Malspam

Formbook

exe 8eade02ff3abef532d9070a1e3ea6f8df6c213748bce1c0f55b75686706a53c4

(this sample)

Delivery method

Distributed via e-mail attachment

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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