MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c184089b39cc4903d262707dd3452e83b1ae1f8da5c6193cd59d7db8e8afa48. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 9c184089b39cc4903d262707dd3452e83b1ae1f8da5c6193cd59d7db8e8afa48
SHA3-384 hash: 93fe57003fe62266bcb97ba17771f68395facd22bc34798f37e15d06ce387a353c07af8d87e40f8ceced589f0a5728e2
SHA1 hash: 0fa0c58786143ae8b9fb9f186ffb89f6dba1f69d
MD5 hash: 980fbd96943cfcc23b375865a7c384ef
humanhash: early-item-four-cup
File name:Urgent Quotation required .exe
Download: download sample
Signature AgentTesla
File size:25'600 bytes
First seen:2024-03-04 15:17:53 UTC
Last seen:2024-03-05 07:11:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 384:5r5lJ0Wtq+c/+xUFD4Gnnrs6HPRdDdrcaU7fYcpKbx1AHM5K1vWcgxxVUJwhbUA/:TlJ0x/+xUFDhrrJbrc5pKfzA1vOxyN
TLSH T109B25B23BBCC9627DA6F4B75A87232908336E6524617CFEE2DC4904F4A17F840B527B5
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)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
333
Origin country :
CH CH
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Connecting to a non-recommended domain
Sending an HTTP GET request
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending a TCP request to an infection source
Connection attempt to an infection source
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
evasive
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
Check if machine is in data center or colocation facility
Connects to many IPs within the same subnet mask (likely port scanning)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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)
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Outbound RDP Connections Over Non-Standard Tools
Sigma detected: Potentially Suspicious Malware Callback Communication
Sigma detected: Suspicious Outbound Kerberos Connection
Snort IDS alert 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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses known network protocols on non-standard ports
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Znyonm
Status:
Malicious
First seen:
2024-03-04 15:07:59 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
2
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Creates a large amount of network flows
Looks up external IP address via web service
Contacts a large (4107) amount of remote hosts
AgentTesla
Unpacked files
SH256 hash:
9c184089b39cc4903d262707dd3452e83b1ae1f8da5c6193cd59d7db8e8afa48
MD5 hash:
980fbd96943cfcc23b375865a7c384ef
SHA1 hash:
0fa0c58786143ae8b9fb9f186ffb89f6dba1f69d
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.

Malspam

AgentTesla

Executable exe 9c184089b39cc4903d262707dd3452e83b1ae1f8da5c6193cd59d7db8e8afa48

(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 (GUARD_CF)high

Comments