MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b79f9bfe9b5ed9113deae47f91b1a2eeca20cf737aea051e70b224d6b88e0792. 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 27 File information Comments 1

SHA256 hash:	b79f9bfe9b5ed9113deae47f91b1a2eeca20cf737aea051e70b224d6b88e0792
SHA3-384 hash:	198469858d9a7e664216a66a58e18c5ac08255941bb7c049a24b2195ab048702ca3af8e136bc62620187a23afd0d03cf
SHA1 hash:	d2a5e919e451865551efd2da81d30468cbb80773
MD5 hash:	132e9cb76def326daa4088f99587b759
humanhash:	equal-cardinal-texas-moon
File name:	132e9cb76def326daa4088f99587b759
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'203'200 bytes
First seen:	2024-06-08 16:12:58 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:IAHnh+eWsN3skA4RV1Hom2KXMmHaD2jZ9uUKhRDp2jPdsRm9Qf5:Ph+ZkldoPK8YaDCXoqjP9Q
Threatray	5 similar samples on MalwareBazaar
TLSH	T14B45BE0273D2C036FFAB92739B6AF64156BD79250133852F13981DB9BD701B2263E663
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	zbetcheckin
Tags:	32 exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

296

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

b79f9bfe9b5ed9113deae47f91b1a2eeca20cf737aea051e70b224d6b88e0792.exe

Verdict:

Malicious activity

Analysis date:

2024-06-08 16:18:06 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/d0718184-adc9-428d-8e8d-b2b823253c25

Note:

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

Detection(s):

SecuriteInfo.com.Win32.Malware-gen.1046.22813.UNOFFICIAL

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

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

autoit epmicrosoft_visual_cc fingerprint keylogger lolbin microsoft_visual_cc nymeria packed shell32

Link:

https://www.filescan.io/uploads/666483159fd5f9d5920f56de/reports/b69eb102-33ea-4599-bbd7-ce3004045300/overview

Verdict:

Malicious

Labled as:

AIT:Trojan.Nymeria

Link:

https://www.hybrid-analysis.com/sample/b79f9bfe9b5ed9113deae47f91b1a2eeca20cf737aea051e70b224d6b88e0792

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:

Malicious

Link:

https://analyze.intezer.com/analyses/4bf8a4c0-d86f-4016-8121-ce7a654931e8

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1454064

Signature

AI detected suspicious sample

Antivirus detection for URL or domain

Binary is likely a compiled AutoIt script file

Creates executable files without a name

Drops VBS files to the startup folder

Found direct / indirect Syscall (likely to bypass EDR)

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)

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/b79f9bfe9b5ed9113deae47f91b1a2eeca20cf737aea051e70b224d6b88e0792

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b79f9bfe9b5ed9113deae47f91b1a2eeca20cf737aea051e70b224d6b88e0792/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2024-06-05 03:46:40 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

14 of 24 (58.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=w6pzx7u3l3mrcppk4r7zdmnc53fcbt3tplvakhtqwisnnoeoa6ja._file

Verdict:

malicious

Label(s):

formbook

Formbook

77e14caae3daf05c1f5a6a3d10e4936cc58944d6ae9ec6943b1be6d995e94b5c

Formbook

d0b94b855d2f24add1edf6b3a6ecae24e4366f181a1ccd0bcd3b27e94de95bc0

Formbook

Result

Malware family:

n/a

Score:

7/10

Tags:

n/a

Link:

https://tria.ge/reports/240608-tpk5waea92/

Behaviour

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Program crash

AutoIT Executable

Suspicious use of SetThreadContext

Executes dropped EXE

Loads dropped DLL

Unpacked files

SH256 hash:

b44d6f57aeb656f27afc88f54c97c618d4daa697ee27c10e1887dcb5dd83eea0

MD5 hash:

c3735d448f0d4d3db6fe20d7ad033c84

SHA1 hash:

2edfaa0ec53b3c5459a40bd9d772b25bc6ce4e49

Link:

https://www.unpac.me/results/fc738408-b8f9-4959-bca7-9b82e141cea9/

SH256 hash:

95d4e6d867da09d9fb2302ef94d540644204068b149018da9258cc36397ffbd2

MD5 hash:

136616fdb1e67935a6142086452e8eef

SHA1 hash:

c14840db3410d29d1a16822b917dacf1860b98eb

Link:

https://www.unpac.me/results/fc738408-b8f9-4959-bca7-9b82e141cea9/

SH256 hash:

b79f9bfe9b5ed9113deae47f91b1a2eeca20cf737aea051e70b224d6b88e0792

MD5 hash:

132e9cb76def326daa4088f99587b759

SHA1 hash:

d2a5e919e451865551efd2da81d30468cbb80773

Detections:

AutoIT_Compiled

SUSP_Imphash_Mar23_3

Link:

https://www.unpac.me/results/fc738408-b8f9-4959-bca7-9b82e141cea9/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b79f9bfe9b5e/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/b79f9bfe9b5ed9113deae47f91b1a2eeca20cf737aea051e70b224d6b88e0792

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

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:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

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_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.

Web download

Formbook

exe b79f9bfe9b5ed9113deae47f91b1a2eeca20cf737aea051e70b224d6b88e0792

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2879793/

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

Comments

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zbet commented on 2024-06-08 16:12:59 UTC

url : hxxp://198.23.201.89/warm/Delivery%2006.exe