MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8aa7ddca3ec2f1ca81b2ba0abc71e458a1d98c17cba6e05e7068b76b9f9e6ebc. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments

SHA256 hash: 8aa7ddca3ec2f1ca81b2ba0abc71e458a1d98c17cba6e05e7068b76b9f9e6ebc
SHA3-384 hash: 128629c7828efae9a5e93ec26df7dcbc24a75ea6181fe455d8b12e6184dda7a73c33074ea37d0921ecbf71499cd050cb
SHA1 hash: 707298a6fc5eccf2741ee0915f8cfe958e47fafa
MD5 hash: c179c74a41c43914f18c7de041286df2
humanhash: yellow-west-december-blossom
File name:PAYMENT REPORT REQUIREMENT - INVOICES.exe
Download: download sample
Signature AgentTesla
File size:692'224 bytes
First seen:2023-09-21 08:32:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:lEqEisUH/TDysrWCiBhj8kR0uSlU9rLpM6ESGxyZ4DVLQMFsmboWnmaJpl:uqEWrDysr6rQFuVAlwaVLQEsull
Threatray 1'299 similar samples on MalwareBazaar
TLSH T133E4232D3355CA37F56E8ABC60A615C417F8F2973122EB694EDA74E46D6F3800A143CB
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
277
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
PAYMENT REPORT REQUIREMENT - INVOICES.exe
Verdict:
Malicious activity
Analysis date:
2023-09-21 08:33:44 UTC
Tags:
agenttesla stealer

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

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
keylogger masquerade packed
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
Adds a directory exclusion to Windows Defender
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
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1312117 Sample: PAYMENT_REPORT_REQUIREMENT_... Startdate: 21/09/2023 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Found malware configuration 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 8 other signatures 2->49 7 PAYMENT_REPORT_REQUIREMENT_-_INVOICES.exe 7 2->7         started        11 ISNBNQzcwppG.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\ISNBNQzcwppG.exe, PE32 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp9BBE.tmp, XML 7->35 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Adds a directory exclusion to Windows Defender 7->55 13 PAYMENT_REPORT_REQUIREMENT_-_INVOICES.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        21 PAYMENT_REPORT_REQUIREMENT_-_INVOICES.exe 7->21         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 61 Injects a PE file into a foreign processes 11->61 23 ISNBNQzcwppG.exe 2 11->23         started        25 schtasks.exe 1 11->25         started        signatures5 process6 dnsIp7 37 h12.hksx.com 202.181.239.232, 49718, 49719, 587 HKCIX-AS-APHongKongCommercialInternetExchangeHK Hong Kong 13->37 39 mail.absbldg.com 13->39 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        41 mail.absbldg.com 23->41 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->63 65 Tries to steal Mail credentials (via file / registry access) 23->65 67 Tries to harvest and steal browser information (history, passwords, etc) 23->67 31 conhost.exe 25->31         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Negasteal
Status:
Malicious
First seen:
2023-09-21 07:52:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
a8a5fa695501c7d7e1c70dc9c7aa9dbaa98d03c4ded262947811cb883c3afe7d
MD5 hash:
200ab8e098a1e41ca357d3cdcfab4bdf
SHA1 hash:
dc2a6966c9b964286e41d8cc77d57bc5e41ed216
SH256 hash:
f18ede1829f6537e67a2f4e8cdcd767ee6b50b8dab392ecf26c75ac34e1494fb
MD5 hash:
65d61d54ea7665a497fed9699cc9e7e5
SHA1 hash:
8418bb9f902beac21267a1a60ac8431a4179defc
SH256 hash:
c2faebdde883d1d98c2529b9170402a6d7227424f53698e4e86d468f1928eb80
MD5 hash:
b282fe8d9534d7c7fb350ee3e0d389e9
SHA1 hash:
7eec88b11e4db43ad365cad4d341dec4cc95c5ba
SH256 hash:
2357eeea2d0e6cbf1b1bd7305250feeced1ccd39cf7210d798ba250546d42b65
MD5 hash:
868ae74d506f6c19bae6a757904596f3
SHA1 hash:
4f523272c628d1a7a867262064fe323b8ab92f15
SH256 hash:
8aa7ddca3ec2f1ca81b2ba0abc71e458a1d98c17cba6e05e7068b76b9f9e6ebc
MD5 hash:
c179c74a41c43914f18c7de041286df2
SHA1 hash:
707298a6fc5eccf2741ee0915f8cfe958e47fafa
Malware family:
AgentTesla.v4
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:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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 8aa7ddca3ec2f1ca81b2ba0abc71e458a1d98c17cba6e05e7068b76b9f9e6ebc

(this sample)

  
Delivery method
Distributed via e-mail attachment

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