MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf4ca953509256578f1484ff71aee4ad84e6598de24134e23e189d5e2f9468dd. 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



AgentTesla


Vendor detections: 16


Intelligence 16 IOCs YARA 24 File information Comments

SHA256 hash: bf4ca953509256578f1484ff71aee4ad84e6598de24134e23e189d5e2f9468dd
SHA3-384 hash: d99e4b40af3e6675f527f322927e05e5b674243cccc5e8a86b088096a2fe09012a1ac80cb9a9b2510c5df563e7b6ddae
SHA1 hash: ecbe239696fc61a5d1402972139963a7545f0665
MD5 hash: 936ecbba0358f6c7d372b4b163b17027
humanhash: skylark-lamp-seventeen-venus
File name:bf4ca953509256578f1484ff71aee4ad84e6598de24134e23e189d5e2f9468dd
Download: download sample
Signature AgentTesla
File size:1'046'016 bytes
First seen:2025-08-12 14:03:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:dtb20pkaCqT5TBWgNQ7aehPt4VGNdB6A:OVg5tQ7aehV4VGl5
Threatray 3'250 similar samples on MalwareBazaar
TLSH T11E25BF1363DE8361C3725273BA65B701BEBF782506B1F96B2FD4093DE920122525EA73
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:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
41
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
21072025_1630_21072025_NuevaCotizacin_00261.pdf.gz
Verdict:
Malicious activity
Analysis date:
2025-07-21 16:36:22 UTC
Tags:
arch-exec evasion stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
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 explorer fingerprint keylogger lolbin microsoft_visual_cc obfuscated packed packed packer_detected pcalua threat tracker
Gathering data
Gathering data
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-07-21 12:28:49 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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
Unpacked files
SH256 hash:
bf4ca953509256578f1484ff71aee4ad84e6598de24134e23e189d5e2f9468dd
MD5 hash:
936ecbba0358f6c7d372b4b163b17027
SHA1 hash:
ecbe239696fc61a5d1402972139963a7545f0665
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
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
Author:Michelle Khalil
Description:This rule detects unpacked agenttesla malware samples.
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:AutoIT_Compiled
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
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
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla
Rule name:YahLover
Author:Kevin Falcoz
Description:YahLover

File information


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

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User Authorizationadvapi32.dll::AllocateAndInitializeSid
advapi32.dll::EqualSid
advapi32.dll::FreeSid
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
MULTIMEDIA_APICan Play Multimediagdi32.dll::StretchDIBits
winmm.dll::timeKillEvent
winmm.dll::timeSetEvent
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
advapi32.dll::GetTokenInformation
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteExA
shell32.dll::ShellExecuteA
shell32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and Threadsadvapi32.dll::OpenProcessToken
kernel32.dll::OpenProcess
advapi32.dll::OpenThreadToken
kernel32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIkernel32.dll::TerminateProcess
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WinExec
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryA
kernel32.dll::CreateFileA
kernel32.dll::DeleteFileA
kernel32.dll::GetWindowsDirectoryA
kernel32.dll::GetSystemDirectoryA
kernel32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account Informationkernel32.dll::GetComputerNameA
advapi32.dll::GetUserNameA
advapi32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegCreateKeyExA
advapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryInfoKeyA
advapi32.dll::RegQueryValueExA
advapi32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::FindWindowA
user32.dll::PeekMessageA
user32.dll::CreateWindowExA

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