MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4db98b32811e0daa01908ed57c890899315de8bf5a9baf120532423a80f80f44. 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: 14


Intelligence 14 IOCs YARA 23 File information Comments

SHA256 hash: 4db98b32811e0daa01908ed57c890899315de8bf5a9baf120532423a80f80f44
SHA3-384 hash: bb76fb045ab6f0ce663bc3ad3241f160578ffa8a1d288360d89fe411a8f10831dd6917195f42aaf4613d744180d258b0
SHA1 hash: 18955a4209d901f996817086a67c0868527b9a40
MD5 hash: 686eaab5df53839499f52cca9e63cdb8
humanhash: lake-pennsylvania-five-london
File name:4db98b32811e0daa01908ed57c890899315de8bf5a9baf120532423a80f80f44
Download: download sample
Signature AgentTesla
File size:2'007'968 bytes
First seen:2025-02-07 14:10:21 UTC
Last seen:2025-02-07 14:40:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:z/HW1+EtlEuGLR+EWfh/1vIHVli533wMni2DjrXBmFFRo:LYtlP2Q9eHVA5D1vXBmFFR
Threatray 48 similar samples on MalwareBazaar
TLSH T16F957A0123A8CF16E4AF2770E47241F84AB7BD02EE3597DF1684BDAA39B27419D50367
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 0f519373d9cc750b (107 x AgentTesla, 20 x AveMariaRAT, 5 x Formbook)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
226
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
4db98b32811e0daa01908ed57c890899315de8bf5a9baf120532423a80f80f44
Verdict:
Malicious activity
Analysis date:
2025-02-07 12:59:02 UTC
Tags:
evasion ftp stealer agenttesla exfiltration

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Drops executable to a common third party application directory
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
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)
Suricata IDS alerts for network traffic
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1609694 Sample: 1AcFFtlSrk.exe Startdate: 07/02/2025 Architecture: WINDOWS Score: 100 27 s4.serv00.com 2->27 29 api.ipify.org 2->29 31 241.42.69.40.in-addr.arpa 2->31 53 Suricata IDS alerts for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 9 other signatures 2->59 7 1AcFFtlSrk.exe 2 2->7         started        10 adobe.exe 2 2->10         started        12 adobe.exe 2 2->12         started        signatures3 process4 signatures5 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->61 63 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->63 65 Injects a PE file into a foreign processes 7->65 14 1AcFFtlSrk.exe 16 4 7->14         started        67 Multi AV Scanner detection for dropped file 10->67 19 adobe.exe 14 2 10->19         started        21 adobe.exe 2 12->21         started        process6 dnsIp7 33 s4.serv00.com 213.189.52.181, 21, 49710, 49711 ECO-ATMAN-PLECO-ATMAN-PL Poland 14->33 35 api.ipify.org 172.67.74.152, 443, 49709 CLOUDFLARENETUS United States 14->35 23 C:\Users\user\AppData\Roaming\...\adobe.exe, PE32 14->23 dropped 25 C:\Users\user\...\adobe.exe:Zone.Identifier, ASCII 14->25 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Tries to steal Mail credentials (via file / registry access) 14->41 43 Drops executable to a common third party application directory 14->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->45 37 104.26.12.205, 443, 58579, 58582 CLOUDFLARENETUS United States 19->37 47 Tries to harvest and steal ftp login credentials 21->47 49 Tries to harvest and steal browser information (history, passwords, etc) 21->49 51 Installs a global keyboard hook 21->51 file8 signatures9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-01-21 08:43:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Agenttesla family
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
external_ip_lookup
YARA:
n/a
Unpacked files
SH256 hash:
4db98b32811e0daa01908ed57c890899315de8bf5a9baf120532423a80f80f44
MD5 hash:
686eaab5df53839499f52cca9e63cdb8
SHA1 hash:
18955a4209d901f996817086a67c0868527b9a40
Malware family:
AgentTesla
Verdict:
Malicious
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:AgentTeslaV2
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
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: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_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:MALWARE_Win_AgentTeslaV2
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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_Generic_Threat_808f680e
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
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.

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments