MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 abfeff23a5c23527cfc36df6a644b325c38bdc522eaa6c83c7cb072957f3b1a0. 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: 18

Intelligence 18 IOCs YARA 24 File information Comments

SHA256 hash:	abfeff23a5c23527cfc36df6a644b325c38bdc522eaa6c83c7cb072957f3b1a0
SHA3-384 hash:	ee6149819954230305361c5b47d5d1bc393a8662ef1fb6bc7c5a3fa3c4c1108b057d2a06a0192188df7033a17918dbd5
SHA1 hash:	36e8af148ba89011c0f12358e2e1e48713690537
MD5 hash:	67ed4f1cd6ff1c7eb81311a7cdefd239
humanhash:	yankee-twenty-pasta-nebraska
File name:	Documento de envío de DHL.pdf.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'174'016 bytes
First seen:	2025-07-08 16:59:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	0b768923437678ce375719e30b21693e (143 x Formbook, 25 x MassLogger, 22 x SnakeKeylogger)
ssdeep	24576:f5EmXFtKaL4/oFe5T9yyXYfP1ijXda9o8ECUnV6+oX:fPVt/LZeJbInQRa9gN
Threatray	3'310 similar samples on MalwareBazaar
TLSH	T19245BF0273D2C062FF9B96334F56F6215BBC79260123A62F13981DB9B9701B1563E7A3
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	abuse_ch
Tags:	DHL exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

DocumentodeenvodeDHL.pdf.exe

Verdict:

Malicious activity

Analysis date:

2025-07-07 17:19:14 UTC

Tags:

agenttesla stealer evasion

Link:

https://app.any.run/tasks/1199b3d9-0299-4286-b607-3c49c71e5083

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/13544/

Detection(s):

SecuriteInfo.com.Trojan.AutoIt.1678.UNOFFICIAL

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=686d4e8b900df8e7f8689d0d

Tags:

underscore autoit emotet

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

Launching a service

Stealing user critical data

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc obfuscated packed packed packer_detected similar-threat

Link:

https://www.filescan.io/uploads/686d4e8361f15fb42a356a56/reports/82308499-7dc4-4d94-b948-6756ed00cf15/overview

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/2d62d8b2-fe2c-4dd8-8860-7d194fa79259

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1731179

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 malware configuration

Initial sample is a PE file and has a suspicious name

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 submitted file

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

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Sigma detected: Suspicious Double Extension File Execution

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 steal Mail credentials (via file / registry access)

Uses an obfuscated file name to hide its real file extension (double extension)

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/abfeff23a5c23527cfc36df6a644b325c38bdc522eaa6c83c7cb072957f3b1a0

Verdict:

Malware

YARA:

7 match(es)

Tags:

AutoIt Decompiled Executable PDB Path PE (Portable Executable) Suspect Win 32 Exe x86

Link:

https://app.malva.re/file/67ed4f1cd6ff1c7eb81311a7cdefd239

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/abfeff23a5c23527cfc36df6a644b325c38bdc522eaa6c83c7cb072957f3b1a0/

Verdict:

Malicious

Threat:

Win32.Trojan.AutoitInject

Link:

https://tip.neiki.dev/file/abfeff23a5c23527cfc36df6a644b325c38bdc522eaa6c83c7cb072957f3b1a0

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-07-07 14:23:03 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

26 of 38 (68.42%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=vp7p6i5fyi2spt6dnx3kmrftexbyxxcsf2vgza6hzmdssv7twgqa._file

Verdict:

malicious

Label(s):

unc_loader_036

agenttesla

Formbook

36714617ab3acacb11df096fb64e7ced344b241ebfdd501a60077c931c89577a

Formbook

61d6d15b22aed7572cca9b5785f07f02eec562a4142c2fb8605dabc89d7710b5

Formbook

837fbe9b83e066eb57abc2f94a7bbfa1ce5c6189bdea605a9c74bbb11cdab57a

Formbook

a39ada8e971d67fb725632144587cfebcbd96da06f29ae39d69214f7a5d79234

Formbook

b0ad89d7346957e3c74a48f48298add375cc9d00066953c35e90222c298e174e

Formbook

b7268f9814ddac66d6a4c1c43115d19de4fdb23e4d30ae233aeb51127213a1df

Formbook

+ 3'300 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery keylogger spyware stealer trojan

Link:

https://tria.ge/reports/250708-vhlnhaxlz2/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Looks up external IP address via web service

AgentTesla

Agenttesla family

Verdict:

Malicious

Tags:

External_IP_Lookup

YARA:

n/a

Link:

https://app.threat.zone/submission/2d935cb2-b6b0-4d7a-a4e0-3947ca079070

Unpacked files

SH256 hash:

abfeff23a5c23527cfc36df6a644b325c38bdc522eaa6c83c7cb072957f3b1a0

MD5 hash:

67ed4f1cd6ff1c7eb81311a7cdefd239

SHA1 hash:

36e8af148ba89011c0f12358e2e1e48713690537

Link:

https://www.unpac.me/results/dccdf101-dded-42eb-bb84-13cc21fd141b/

SH256 hash:

675762bdfaa0f7d6abf9e63c77c13e8ac48c19c865d9643622ecf7d651fc5884

MD5 hash:

c729e5ed858d90e51c5d82c9a3a9ec28

SHA1 hash:

8817326283e4c06e9863ce25ff303cbfe428e03c

Detections:

win_agent_tesla_g2

AgentTesla

Agenttesla_type2

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

Link:

https://www.unpac.me/results/dccdf101-dded-42eb-bb84-13cc21fd141b/

Parent samples :

c2df3d7537c43e85dfb395dd000d8c6f887ce891b9f05202406c44202823b586
b4a46f9be7587e5ca51f2a4c20e8fd08f39c2d0e36a9de245a11f90ef11fc08c
de9eeab3b5c6013da6e46431f20f865c15086d8708fb81a9da1e0de2629b8280
08379da65d80bac62f2bed130768e19210cf2344f74845a977fb8fa8237fb43d
abfeff23a5c23527cfc36df6a644b325c38bdc522eaa6c83c7cb072957f3b1a0
bf4ca953509256578f1484ff71aee4ad84e6598de24134e23e189d5e2f9468dd
2fe9c94efb856517f92bb543c65901ec76b46eaf1ea0d8ae7ac7bad689b9a0af
d9e52d9da6fe2b3a961b9bc07004f8a02190f41b17f6ba0473a1325d14e249a4

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/abfeff23a5c23527cfc36df6a644b325c38bdc522eaa6c83c7cb072957f3b1a0

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:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

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_detect_tls_callbacks Create hunting rule

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

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/13544/

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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