MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ef886ad71e5fc825b9b608b3f80ce2a3c3dafc0ecc1bc7dc9721c6855898bc6. 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 5 File information Comments

SHA256 hash:	3ef886ad71e5fc825b9b608b3f80ce2a3c3dafc0ecc1bc7dc9721c6855898bc6
SHA3-384 hash:	1af636b62a1024c952f8afb04e0b736a0367bd4a96eb3a440104b0ebfea38ab35621c174bd3c82351e7781fa0bf564d7
SHA1 hash:	0b242ca2f09aca59d55bfcac3c6842d3b5ed2578
MD5 hash:	4bf3c3730f87303d462d33cd7439d24e
humanhash:	april-kentucky-mango-hot
File name:	Purchase Order.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'341'549 bytes
First seen:	2024-10-01 17:36:20 UTC
Last seen:	2024-10-01 17:44:15 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	aaaa8913c89c8aa4a5d93f06853894da (246 x Formbook, 82 x AgentTesla, 74 x RedLineStealer)
ssdeep	24576:ffmMv6Ckr7Mny5QLYVaCcMTEq686HA5KILVmPHt:f3v+7/5QLYRcwr6lH7IgPN
Threatray	139 similar samples on MalwareBazaar
TLSH	T1AE55F112B7D680B6EDA33971193BE32AEB3575194337C4CBA7E02E779E111405B3A362
TrID	84.9% (.EXE) AutoIt3 compiled script executable (510622/80/67) 9.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 1.7% (.EXE) Win64 Executable (generic) (10523/12/4) 1.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 0.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
File icon (PE):
dhash icon	b150b26869b2d471 (468 x Formbook, 101 x RedLineStealer, 94 x AgentTesla)
Reporter	threatcat_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

430

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Purchase Order.exe

Verdict:

No threats detected

Analysis date:

2024-10-01 17:37:57 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/c3461800-3cba-4753-ac01-a18733302f12

Note:

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

Detection(s):

SecuriteInfo.com.Worm.Autoit.AMHC.UNOFFICIAL

Verdict:

Malicious

Score:

93.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66fc333f936bd9db877224fb

Tags:

Autoit Emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

autoit epmicrosoft_visual_cc fingerprint keylogger lolbin masquerade microsoft_visual_cc overlay packed shell32

Link:

https://www.filescan.io/uploads/66fc334283903120b70c0e35/reports/b09223a7-0be6-4840-a586-6e85735040ee/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/3ef886ad71e5fc825b9b608b3f80ce2a3c3dafc0ecc1bc7dc9721c6855898bc6

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/d6becb7c-7a71-42bf-b218-f439f50eecd0

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1523569

Signature

Contains functionality to detect sleep reduction / modifications

Found direct / indirect Syscall (likely to bypass EDR)

Initial sample is a PE file and has a suspicious name

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 submitted file

Queues an APC in another process (thread injection)

Switches to a custom stack to bypass stack traces

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3ef886ad71e5fc825b9b608b3f80ce2a3c3dafc0ecc1bc7dc9721c6855898bc6

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3ef886ad71e5fc825b9b608b3f80ce2a3c3dafc0ecc1bc7dc9721c6855898bc6/

Threat name:

Win32.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-10-01 17:37:10 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=h34inllr4x6iew43mcft7agofi6d3l6a5ta3y7ojoiogqvmjrpda._file

Verdict:

malicious

Label(s):

admintool_powerrun

Formbook

0d3b7f710ac5caa13f9e5cc85ef5a898e16f919e34bf7d47a0067c070fb572ad

Formbook

2a60bbd88d84157bbebd77c9f586a6beb3f6667ca2da5df0e5ccc8a7fdda6dab

Formbook

54731f6d3d056a09d946901324427a80c0e7e1de0061fe78524a4f1aff721ca3

Formbook

error

Formbook

+ 129 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/241001-v645rawbjh/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/697b880a-5191-4931-931e-5cc75c40fd4c

Unpacked files

SH256 hash:

442ad008114b51f0bab5ce01248e0453e513695bc8e57d62ccec0380aa16bf00

MD5 hash:

7de28f4d45f6278cb0483ea31e4f9964

SHA1 hash:

23e8ca4c072e0ab7ee6ecb8434f89d5d5b1789ed

Link:

https://www.unpac.me/results/ce3fa064-a5a0-4745-a9ff-2df284f225b3/

SH256 hash:

187c36a9a025ef5297109f44a163cafba594cdd7cc8cec8e892a24d7b0f4926b

MD5 hash:

1dc2aee8e7498d9c60587ab2be54f8f9

SHA1 hash:

59428b41cf1ad68e88056364fb1a473ba6488811

Link:

https://www.unpac.me/results/ce3fa064-a5a0-4745-a9ff-2df284f225b3/

SH256 hash:

3ef886ad71e5fc825b9b608b3f80ce2a3c3dafc0ecc1bc7dc9721c6855898bc6

MD5 hash:

4bf3c3730f87303d462d33cd7439d24e

SHA1 hash:

0b242ca2f09aca59d55bfcac3c6842d3b5ed2578

Detections:

AutoIT_Compiled

Link:

https://www.unpac.me/results/ce3fa064-a5a0-4745-a9ff-2df284f225b3/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3ef886ad71e5/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/3ef886ad71e5fc825b9b608b3f80ce2a3c3dafc0ecc1bc7dc9721c6855898bc6

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 Create hunting rule
Author:	Jean-Philippe Teissier / @Jipe_
Description:	AutoIT packer

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

File information

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

Malspam

Formbook

zip 05e00cc51746643d9dc61ab8849bc2fffb7abe7cb211461bfef3e6c470490097

Formbook

exe 3ef886ad71e5fc825b9b608b3f80ce2a3c3dafc0ecc1bc7dc9721c6855898bc6

(this sample)

Delivery method

Distributed via e-mail attachment

Dropped by

SHA256 05e00cc51746643d9dc61ab8849bc2fffb7abe7cb211461bfef3e6c470490097

Dropped by

MD5 e83d66576a018af23ff6d031146aa7a1

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
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::CopySid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetAce USER32.dll::GetUserObjectSecurity ADVAPI32.dll::InitializeAcl ADVAPI32.dll::InitializeSecurityDescriptor
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::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl ADVAPI32.dll::GetTokenInformation
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::LoadLibraryW KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW KERNEL32.dll::CreateFileW KERNEL32.dll::CreateFileA 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_SVC_API	Can Manipulate Windows Services	ADVAPI32.dll::OpenSCManagerW ADVAPI32.dll::UnlockServiceDatabase
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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