MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 852fee417283783d1780c60153303f473e43d884fda19fbbbc20de537ff2358a. 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: 14

Intelligence 14 IOCs YARA 6 File information Comments

SHA256 hash:	852fee417283783d1780c60153303f473e43d884fda19fbbbc20de537ff2358a
SHA3-384 hash:	42de2ded8fe235ac58231b09d3ed54f038ac89cd9d7e0be6cf7d5e8e8592738b4e5f115847f6b1444db9032035f11d97
SHA1 hash:	db5cc19c48e8d97d78e7eaa03019de22504cac2e
MD5 hash:	4a80262ed154b7985ff802849e893148
humanhash:	pluto-football-happy-cat
File name:	r0234327655422-9865427763452doc.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'213'952 bytes
First seen:	2024-12-09 09:00:09 UTC
Last seen:	2024-12-16 13:05:36 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep	24576:wu6J33O0c+JY5UZ+XC0kGso6Fa9Qr2ZY28T6wnsWY:6u0c++OCvkGs9Fa9rm2cRvY
Threatray	152 similar samples on MalwareBazaar
TLSH	T12E45CF2273DDC360CB669173BF69B7056EBF3C610630B95B2F880D7DA950161262DBA3
TrID	63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 11.6% (.EXE) Win64 Executable (generic) (10522/11/4) 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)
Magika	pebin
File icon (PE):
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	FXOLabs
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

398

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

r0234327655422-9865427763452doc.exe

Verdict:

No threats detected

Analysis date:

2024-12-09 09:14:32 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/c78b869a-5aa5-4659-8f03-5e59d5482998

Note:

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

Detection(s):

SecuriteInfo.com.BehavesLike.Win32.Generic.vh.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6756b1cffca9c44c2497ca9a

Tags:

nymeria autorun autoit emotet

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

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-vm anti-vm autoit compiled-script fingerprint fingerprint keylogger lolbin microsoft_visual_cc packed packed packer_detected reg regedit

Link:

https://www.filescan.io/uploads/6756b1cfd0f37fbc5f51f739/reports/a2d7aea7-05e1-49e8-b566-4fb0ea0e89dc/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_70%

Link:

https://www.hybrid-analysis.com/sample/852fee417283783d1780c60153303f473e43d884fda19fbbbc20de537ff2358a

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.

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/e14678fb-bdd8-4a2b-82c5-2000c66c92c9

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1571352

Signature

AI detected suspicious sample

Binary is likely a compiled AutoIt script file

Drops VBS files to the startup folder

Machine Learning detection for dropped file

Machine Learning detection for sample

Maps a DLL or memory area into another process

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: Drops script at startup location

Sigma detected: WScript or CScript Dropper

Switches to a custom stack to bypass stack traces

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/852fee417283783d1780c60153303f473e43d884fda19fbbbc20de537ff2358a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/852fee417283783d1780c60153303f473e43d884fda19fbbbc20de537ff2358a/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2024-12-09 08:05:51 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

23 of 38 (60.53%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qux64qlsqn4d2f4ayyavgmb7i47ehwee7wqz7o54edpfg77sgwfa._file

Verdict:

malicious

Label(s):

unknown_loader_036

Formbook

2940b25172484b524f12ae00a1ae4c8147b56b16333454df18ce177eab2420b4

Formbook

45546f324eb60085374045715890404ffe9ecbd9c15cbcfcb6828fdfd87179fa

Formbook

a1fd94e2d5bba563ac43668940fb2de3c67e5bdbf8e15694d12866dbf4d35429

Formbook

c2785c5668377424e7d8382d5f16de0d07eda9c394f23bf6c698b4627925c154

Formbook

e6643fb9224f9a2ce99cf20b5714e5322645fae8046ef9d439ca17d7ac6abd45

Formbook

error

Formbook

+ 142 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery

Link:

https://tria.ge/reports/241209-kyvw1aspev/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

AutoIT Executable

Suspicious use of SetThreadContext

Drops startup file

Executes dropped EXE

Loads dropped DLL

Verdict:

Malicious

Tags:

trojan

YARA:

SUSP_Imphash_Mar23_3

Link:

https://app.threat.zone/submission/d2fb2153-bbe6-4b5c-a456-8840237852d4

Unpacked files

SH256 hash:

0cc493183869653d5b1319dd0a2084619da7e5b4069fc3c72d75f758c0b87bb1

MD5 hash:

66834074072b017500f551d9367c3be4

SHA1 hash:

7f575aef8f6fbe9c44bd90d83a673585197c0d0c

Link:

https://www.unpac.me/results/436f6f29-54db-42df-8439-da0ed2d7a8f2/

SH256 hash:

7e1138ce94db11664b6012212a65aa9dd1bd375dfbe7f3f474cb590a8cee7ee4

MD5 hash:

b6fa58cab8554736eda7619e7bccbc21

SHA1 hash:

a3fa6c9de282736110f81935d6425a36d0e48dfb

Link:

https://www.unpac.me/results/436f6f29-54db-42df-8439-da0ed2d7a8f2/

SH256 hash:

852fee417283783d1780c60153303f473e43d884fda19fbbbc20de537ff2358a

MD5 hash:

4a80262ed154b7985ff802849e893148

SHA1 hash:

db5cc19c48e8d97d78e7eaa03019de22504cac2e

Link:

https://www.unpac.me/results/436f6f29-54db-42df-8439-da0ed2d7a8f2/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/852fee417283/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/852fee417283783d1780c60153303f473e43d884fda19fbbbc20de537ff2358a

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:	RansomPyShield_Antiransomware Create hunting rule
Author:	XiAnzheng
Description:	Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)

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:	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.

Malspam

Formbook

exe 852fee417283783d1780c60153303f473e43d884fda19fbbbc20de537ff2358a

(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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