MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4753f11e296430bb40e328ad38fe44ecf72aafcdf12cfed22bf16d3f8a0ade34. 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 6 File information Comments

SHA256 hash: 4753f11e296430bb40e328ad38fe44ecf72aafcdf12cfed22bf16d3f8a0ade34
SHA3-384 hash: d686f64ad2a70ebacd27543d06f7906a479474730d07b35f3163608ce44e03d91ee3d9017a39514d902b95ece811e200
SHA1 hash: ca1d7c0bd2ae735caa8df2ec50f6afec92b6e565
MD5 hash: 7e7122557d4dcc0e0e39031aeee97570
humanhash: eleven-fix-foxtrot-twelve
File name:18092024 PDF.exe
Download: download sample
Signature AgentTesla
File size:869'888 bytes
First seen:2024-09-18 13:06:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:SKlllZcsZ6ahn6JZN08J734IAMdv2+p8HVzzuS+Q3czbWbtb+Ayt+1LmZ3K1K:DcmN6Jj0ibXv2+WD+Qeb0YAO+1W3K1K
TLSH T1BE05CF1023A8CA56D5BE23B5D560D1F007B26E5EE8BAD61F8EC0BCDB3E31B114926747
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
415
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
18092024 PDF.exe
Verdict:
Malicious activity
Analysis date:
2024-09-18 13:13:07 UTC
Tags:
stealer agenttesla ftp exfiltration evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Discovery Execution Infostealer Network Static Stealth Gensteal
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Silenttrinity Stager Msbuild Activity
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1513164 Sample: 18092024 PDF.exe Startdate: 18/09/2024 Architecture: WINDOWS Score: 100 22 inhanoi.net.vn 2->22 24 api.ipify.org 2->24 26 time.windows.com 2->26 32 Multi AV Scanner detection for domain / URL 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 11 other signatures 2->38 8 18092024 PDF.exe 4 2->8         started        signatures3 process4 file5 20 C:\Users\user\...\18092024 PDF.exe.log, ASCII 8->20 dropped 40 Writes to foreign memory regions 8->40 42 Allocates memory in foreign processes 8->42 44 Adds a directory exclusion to Windows Defender 8->44 46 Injects a PE file into a foreign processes 8->46 12 MSBuild.exe 15 2 8->12         started        16 powershell.exe 23 8->16         started        signatures6 process7 dnsIp8 28 api.ipify.org 104.26.12.205, 443, 49702 CLOUDFLARENETUS United States 12->28 30 inhanoi.net.vn 45.252.248.26, 21, 49704 AZDIGI-AS-VNAZDIGICorporationVN Viet Nam 12->30 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->50 52 Tries to steal Mail credentials (via file / registry access) 12->52 56 2 other signatures 12->56 54 Loading BitLocker PowerShell Module 16->54 18 conhost.exe 16->18         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-09-18 11:38:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla agenttesla_v4 unknown_loader_037
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla credential_access discovery execution keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Credentials from Password Stores: Credentials from Web Browsers
AgentTesla
Unpacked files
SH256 hash:
88879219bc3bb58446bf5a2468a2a93b47a1fafef9b12b72596212717376a583
MD5 hash:
35d963d34dda50150b7ba0fe102ccf28
SHA1 hash:
e2ea00d3028507bb1f43f294a218638669ca7a6e
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
77fd58789cadf2f53c7a9ee50f3a80baafb6fb8d7567afb4d66c081fef0857d4
MD5 hash:
a5e2d8aa014a6348667249b07e55fdce
SHA1 hash:
8406c6463a6a02aa82e399721ff3044d2d3b6e04
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_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
4753f11e296430bb40e328ad38fe44ecf72aafcdf12cfed22bf16d3f8a0ade34
MD5 hash:
7e7122557d4dcc0e0e39031aeee97570
SHA1 hash:
ca1d7c0bd2ae735caa8df2ec50f6afec92b6e565
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AgentTesla

Executable exe 4753f11e296430bb40e328ad38fe44ecf72aafcdf12cfed22bf16d3f8a0ade34

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (HIGH_ENTROPY_VA)high

Comments