MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44509a1580c18a2b3b59c340de7b28d7451ccbbb41e264e168bbe148c66ae930. 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: 18


Intelligence 18 IOCs YARA 16 File information Comments

SHA256 hash: 44509a1580c18a2b3b59c340de7b28d7451ccbbb41e264e168bbe148c66ae930
SHA3-384 hash: 39e7983df899e78286953bada074a35ddebc564caa97290918e4bb702ca3c10f8f21c7b4f1805c543154510c63b0fdbb
SHA1 hash: 1930fb9e301f29017979b214b096e209a685752b
MD5 hash: af60b92bd160c7b73fbe9a3b5eeda034
humanhash: lithium-robin-avocado-avocado
File name:Purchases Order.exe
Download: download sample
Signature AgentTesla
File size:705'024 bytes
First seen:2024-04-16 08:45:37 UTC
Last seen:2024-04-16 12:44:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:6aNC1oLnhJmWH6G39IJ6kenAP2U4MvOo8JugErSRUSIn:+1o735j3qYtn62DMv/84zQIn
TLSH T13CE41204B3F6AF19DB7907B065306C140BB779A92A76E32B0FC554DB2A38BC44A41F97
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)
File icon (PE):PE icon
dhash icon 004000c8c8004000 (6 x AgentTesla, 6 x Formbook, 4 x Neshta)
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
352
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
44509a1580c18a2b3b59c340de7b28d7451ccbbb41e264e168bbe148c66ae930.exe
Verdict:
Malicious activity
Analysis date:
2024-04-16 08:49:40 UTC
Tags:
stealer agenttesla

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Forced shutdown of a system process
Stealing user critical data
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade obfuscated packed
Verdict:
Malicious
Labled as:
MSIL/Kryptik_AGeneric.CFJ trojan
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
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-04-16 05:26:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
22b9cf2506bb0035f7647c78dc56f7c0f9fbe3ece4a587aeda93709cb3833c09
MD5 hash:
bf857e499c01d6d307bd50790e44ea0d
SHA1 hash:
e5482ab1fc1a500fe2a3c5c44626ef90a12885c1
SH256 hash:
b74e088992fa1c6b347de6fa387a954716f519828388c4487c10a6ca1c705f24
MD5 hash:
9d43f51fec42f1b3e5d8ea68b2d5d768
SHA1 hash:
be631e75bd635a27d3aa312d5ff612a1e70a5b6f
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 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:
0dc1cbd24b81dda6ee3d899678008dc6cc52eaa005390374a47e8fef604ff23d
MD5 hash:
cd842e171f67fa30523a816e19235834
SHA1 hash:
86f4bd795fc8dfcc14a59fa31560d25652d66287
SH256 hash:
5d3b862b27a5560f64437cb6536329849a21cdf636a5a60903f09e5a26d6e6ae
MD5 hash:
a3e7359f4b2bba12f1351f95d29edaf0
SHA1 hash:
3bde250aa41f4c8bb377611a8da6158265c7d2c5
SH256 hash:
44509a1580c18a2b3b59c340de7b28d7451ccbbb41e264e168bbe148c66ae930
MD5 hash:
af60b92bd160c7b73fbe9a3b5eeda034
SHA1 hash:
1930fb9e301f29017979b214b096e209a685752b
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
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.

Malspam

AgentTesla

Executable exe 44509a1580c18a2b3b59c340de7b28d7451ccbbb41e264e168bbe148c66ae930

(this sample)

  
Delivery method
Other

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