MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84e4b416f16c9b8a83082c36aa0aa08748a2a6477c28bcc0070b21b1384540b0. 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 20 File information Comments

SHA256 hash:	84e4b416f16c9b8a83082c36aa0aa08748a2a6477c28bcc0070b21b1384540b0
SHA3-384 hash:	d00e6bf8d7320f8f705d6171806b57d58dc737e27311041a7f17800c5dd6bbf41822b1b7429c0b4cecf74efee84968e8
SHA1 hash:	212291250705e5394771187d3168e7f01772a61d
MD5 hash:	9b7bf654db9b31e175d23966f065caf1
humanhash:	foxtrot-black-cat-bakerloo
File name:	Aviso de cuenta vencida de DHL - 1606622076_86576432567897664542354656767896756442356789000876543.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'160'704 bytes
First seen:	2024-05-01 14:28:37 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep	24576:pqDEvCTbMWu7rQYlBQcBiT6rprG8apKQzVLPDdSl8:pTvC/MTQYxsWR7apz4
Threatray	2'637 similar samples on MalwareBazaar
TLSH	T16B35BF0273D1C062FF9B92334B5AF6115BBC6A260123E61F13A81D79BE705B1563E7A3
TrID	68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 12.5% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	abuse_ch
Tags:	DHL exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

323

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

84e4b416f16c9b8a83082c36aa0aa08748a2a6477c28bcc0070b21b1384540b0.exe

Verdict:

Malicious activity

Analysis date:

2024-05-01 14:34:32 UTC

Tags:

evasion agenttesla stealer ftp exfiltration

Link:

https://app.any.run/tasks/2769557b-c870-4e44-86cd-45022de02bd2

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET request

Reading critical registry keys

Stealing user critical data

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

autoit bladabindi fingerprint keylogger lokibot lolbin masquerade packed shell32 threat

Link:

https://www.filescan.io/uploads/663251b93781adc20f6b10e7/reports/2c275602-1931-4992-b142-4fc00245d6d2/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/84e4b416f16c9b8a83082c36aa0aa08748a2a6477c28bcc0070b21b1384540b0

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/f806cc26-54ca-401b-b48e-4debac8f4bd3

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1434687

Signature

Binary is likely a compiled AutoIt script file

Check if machine is in data center or colocation facility

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to log keystrokes (.Net Source)

Found API chain indicative of sandbox detection

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

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 AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/84e4b416f16c9b8a83082c36aa0aa08748a2a6477c28bcc0070b21b1384540b0

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/84e4b416f16c9b8a83082c36aa0aa08748a2a6477c28bcc0070b21b1384540b0/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2024-05-01 11:59:49 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 38 (55.26%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=qtslifxrnsnyvayifq3kucvaq5ekfjshpqulzqahbmq3cocficya._file

Verdict:

malicious

Formbook

398c85003f5e9e47b109c4d6fd2efbc9a17f2501c2ebc4ebd0dc3fef2bbd2614

Formbook

3d79bf5d780b6770babf2f2cba5549a01992d4e77f797292e2f4a3ecd668379c

Formbook

84e4b416f16c9b8a83082c36aa0aa08748a2a6477c28bcc0070b21b1384540b0

Formbook

dd808e48fe04077963b0b9b58b6d162499d8759acf3d046c4c0e1874459f813e

Formbook

ee69b74d0f0dd59fcd87304863626efb727ad6255bc29a7d48b7a441390dff1a

Formbook

+ 2'627 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240501-rtlk4aha8x/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of SetThreadContext

Looks up external IP address via web service

AgentTesla

Unpacked files

SH256 hash:

a1475a0042fe86e50531bb8b8182f9e27a3a61f204700f42fd26406c3bdec862

MD5 hash:

62407e6f5de13fbf40c50cfb124be93d

SHA1 hash:

637480244e32904d6cadb2e35b6e70746bad588e

Detections:

win_agent_tesla_g2

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Agenttesla_type2

MALWARE_Win_AgentTeslaV2

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/876d98ff-564e-4fd7-8516-a84a64679b1e/

Parent samples :

a1475a0042fe86e50531bb8b8182f9e27a3a61f204700f42fd26406c3bdec862
abe6edd9244ed4812da7e1c064ab96047ac092356d2382bfd03a06de02f7c133
84e4b416f16c9b8a83082c36aa0aa08748a2a6477c28bcc0070b21b1384540b0
1d2489091a940784cf67661f2f4db40febdfd98e0d9b38e5de4ac98485666d4e
ff3f8f2d9ac23b9181e06bcaf5c40036c8d6d971c031747a5c22b9b272b0c312
7e2a64c75e7b25ea1be35a4fcb2716c4bf1f37cf050af226e1a9c252ae55f527
7eb7f2cda8f6a287647ee2b459d920d1dfaac69e14b1ac5f8b8e2dc80d4a0b8c
7226168b879215691f3829ebe6e30080c90c46d14172c580fb4bed0fc97acc8e

SH256 hash:

84e4b416f16c9b8a83082c36aa0aa08748a2a6477c28bcc0070b21b1384540b0

MD5 hash:

9b7bf654db9b31e175d23966f065caf1

SHA1 hash:

212291250705e5394771187d3168e7f01772a61d

Detections:

AutoIT_Compiled

Link:

https://www.unpac.me/results/876d98ff-564e-4fd7-8516-a84a64679b1e/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/84e4b416f16c/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/84e4b416f16c9b8a83082c36aa0aa08748a2a6477c28bcc0070b21b1384540b0

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:	AgentTeslaV2 Create hunting rule
Author:	ditekshen
Description:	AgenetTesla Type 2 Keylogger payload

Rule name:	AgentTeslaV3 Create hunting rule
Author:	ditekshen
Description:	AgentTeslaV3 infostealer payload

Rule name:	AgentTeslaV5 Create hunting rule
Author:	ClaudioWayne
Description:	AgentTeslaV5 infostealer payload

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__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	INDICATOR_EXE_Packed_GEN01 Create hunting rule
Author:	ditekSHen
Description:	Detect packed .NET executables. Mostly AgentTeslaV4.

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

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

Rule name:	malware_Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	MALWARE_Win_AgentTeslaV2 Create hunting rule
Author:	ditekSHen
Description:	AgenetTesla Type 2 Keylogger payload

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Windows_Generic_Threat_9f4a80b2 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

No further information available

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::LoadLibraryW KERNEL32.dll::LoadLibraryExW 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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