MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16d9783e034d3ff5012dbf7ffa092edaafc47fdf8db16142b7128962c844251c. 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 3 File information Comments

SHA256 hash: 16d9783e034d3ff5012dbf7ffa092edaafc47fdf8db16142b7128962c844251c
SHA3-384 hash: e35879d953d515f621e0f9afc58c8aa0de5dcc1aa2ea45f16bd896c57594a1ed590e67ece4faa331a5f461cad8463aa7
SHA1 hash: 67d5d18e33f0cf834bf718a9e4fd9abca7da50e8
MD5 hash: c2a7db96ce897b7a29b5c2eaa40b871e
humanhash: august-venus-steak-xray
File name:1C24THP_00000244.pdf.exe
Download: download sample
Signature AgentTesla
File size:407'040 bytes
First seen:2024-08-21 13:49:09 UTC
Last seen:2024-08-21 14:27:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 1536:g23gH0ZdvSxrjTxRTyAWNHRjmz+4H444lk:g231ar5dyjxh4H444lk
TLSH T1B984C9406FA49475E921FDB12799E330D26B6CA23621AF026DC0729B75F36D0BF03369
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 36c29292b2e88c82 (54 x AgentTesla, 33 x RedLineStealer, 11 x Formbook)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
366
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
1C24THP_00000244.pdf.exe
Verdict:
Malicious activity
Analysis date:
2024-08-21 14:55:26 UTC
Tags:
netreactor stealer smtp agenttesla exfiltration

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
Network Stealth Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin masquerade remote
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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Creates a thread in another existing process (thread injection)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: RegAsm connects to smtp port
Sigma detected: Suspicious Double Extension File Execution
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2024-08-21 02:50:19 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
13
AV detection:
4 of 38 (10.53%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla credential_access keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Credentials from Password Stores: Credentials from Web Browsers
AgentTesla
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
16d9783e034d3ff5012dbf7ffa092edaafc47fdf8db16142b7128962c844251c
MD5 hash:
c2a7db96ce897b7a29b5c2eaa40b871e
SHA1 hash:
67d5d18e33f0cf834bf718a9e4fd9abca7da50e8
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:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table

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