MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f39e7dee71963b9a93fd15a46e577d7e706497278ef181e9f38e05c1afbbd675. 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 25 File information Comments

SHA256 hash:	f39e7dee71963b9a93fd15a46e577d7e706497278ef181e9f38e05c1afbbd675
SHA3-384 hash:	5503297e103fa4ae25e8e369338eedb9b2618fa7bfffc908a5f45575c23a179a7793425cf78775d75e3de614332fedf1
SHA1 hash:	7250923645932c6d5fbe082eb9a075b4f3fd51b4
MD5 hash:	66229fce972afbc6f6e6e1bfaf1b7324
humanhash:	red-uncle-princess-autumn
File name:	f39e7dee71963b9a93fd15a46e577d7e706497278ef181e9f38e05c1afbbd675
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'052'672 bytes
First seen:	2025-06-10 11:19:48 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep	24576:ttb20pkaCqT5TBWgNQ7amdy9LxjVhf5x46A:eVg5tQ7amMBxjVhfM5
Threatray	2'002 similar samples on MalwareBazaar
TLSH	T1C525CF2363DD8361C7B25273BA25B701BEBF782506A5F86B2FD4093DE920162521E773
TrID	40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	adrian__luca
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

372

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

f39e7dee71963b9a93fd15a46e577d7e706497278ef181e9f38e05c1afbbd675

Verdict:

Malicious activity

Analysis date:

2025-06-10 18:00:56 UTC

Tags:

auto-startup evasion stealer ultravnc rmm-tool exfiltration smtp agenttesla

Link:

https://app.any.run/tasks/74f58c5a-61f1-416e-b4b5-50d67a6833f1

Note:

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

Detection:

AgentTesla

Link:

https://www.capesandbox.com/analysis/8754/

Detection(s):

Win.Trojan.Autoit-10033284-0

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=684815088bd5d68a12e77119

Tags:

n/a

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Creating a file in the %temp% directory

Creating a file

Creating a process from a recently created file

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

Sending a custom TCP request

Stealing user critical data

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/f39e7dee71963b9a93fd15a46e577d7e706497278ef181e9f38e05c1afbbd675

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/e6387036-fa8c-4c9f-b27a-e470a65d061a

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1711039

Signature

Binary is likely a compiled AutoIt script file

Check if machine is in data center or colocation facility

Contains functionality to log keystrokes (.Net Source)

Drops VBS files to the startup folder

Found malware configuration

Installs a global keyboard hook

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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

Sigma detected: Drops script at startup location

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Switches to a custom stack to bypass stack traces

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 harvest and steal ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

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

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM3

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f39e7dee71963b9a93fd15a46e577d7e706497278ef181e9f38e05c1afbbd675

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f39e7dee71963b9a93fd15a46e577d7e706497278ef181e9f38e05c1afbbd675/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-05-29 00:46:08 UTC

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=6oph33trsy5zve75cwsg4v35pzygjfzhr3yyd2ptryc4dl532z2q._file

Verdict:

malicious

Label(s):

autoit

agenttesla

unc_loader_036

Formbook

382b40ce3e7d7fc44a80d1b9190914a401c968be78c7115a8e4e3ccd40b8888d

Formbook

9908fccf446f0460a87404fcc3c051357832967706a1815d16cba1ea0ce5c3ca

Formbook

d6a552186e5681c84a98bb28235bb1a863a0877585e984b15f38e7dfd0619225

Formbook

d86634bb45f7026f1f399923ed6e9aac58762a9ef2a130a503ff6393476a9300

Formbook

+ 1'992 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery keylogger spyware stealer trojan

Link:

https://tria.ge/reports/250610-ngt5xsdl5y/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

AutoIT Executable

Suspicious use of SetThreadContext

Looks up external IP address via web service

Drops startup file

Executes dropped EXE

AgentTesla

Agenttesla family

Verdict:

Malicious

Tags:

Win.Trojan.Autoit-10033284-0

YARA:

n/a

Link:

https://app.threat.zone/submission/46201b1d-3320-4a25-a446-3e89de186f93

Unpacked files

SH256 hash:

f39e7dee71963b9a93fd15a46e577d7e706497278ef181e9f38e05c1afbbd675

MD5 hash:

66229fce972afbc6f6e6e1bfaf1b7324

SHA1 hash:

7250923645932c6d5fbe082eb9a075b4f3fd51b4

Link:

https://www.unpac.me/results/68bfd182-5f18-4499-814a-cb4a51bf1182/

SH256 hash:

3b23dbc0ffe3b17b88f560c2b93eb64af9e94beb88d123a4c811a427584f09bf

MD5 hash:

dd3ba42fc1cf8e969e342d918a7b6ae6

SHA1 hash:

4216ef47c65f7bbb54fd095c5bf2e321cddd69db

Detections:

win_agent_tesla_g2

AgentTesla

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Agenttesla_type2

Link:

https://www.unpac.me/results/68bfd182-5f18-4499-814a-cb4a51bf1182/

Parent samples :
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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:	agentesla Create hunting rule
Author:	Michelle Khalil
Description:	This rule detects unpacked agenttesla malware samples.

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:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

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:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

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

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

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

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

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)

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

Rule name:	YahLover Create hunting rule
Author:	Kevin Falcoz
Description:	YahLover

File information

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

Cape

https://www.capesandbox.com/analysis/8754/

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::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW 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_USER_API	Performs GUI Actions	USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample