MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8aa4d88b2e719e75f15d00c21c59fc6ee4369c9750c8d4c389db8ed26a02e84f. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 8aa4d88b2e719e75f15d00c21c59fc6ee4369c9750c8d4c389db8ed26a02e84f
SHA3-384 hash: ef39435fac719b5d100eed423530fed2d36320e2e8c9340cc003bd33de7efc04ea7a0299eab388a9fd7a2568d2e7a57b
SHA1 hash: d289d597f2418e61e7bce3de817584549c95ed62
MD5 hash: 3909e78382c4607346f2dd994ac70713
humanhash: sixteen-river-green-september
File name:Sales Order Quotation_20221115_145947.exe
Download: download sample
Signature AgentTesla
File size:735'232 bytes
First seen:2022-11-17 10:01:07 UTC
Last seen:2022-11-17 11:35:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:tsgcpCYrNwohZG2MshICfwlt9YOHvo/vLtBumw:tpICQwW9zhIC47aFLtBo
Threatray 22'379 similar samples on MalwareBazaar
TLSH T1DEF43A2E79BCF412EF37A9A70EE7AA4BCC701241121A91171D2837DEE93587B3D4D14A
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Sales Order Quotation_20221115_145947.exe
Verdict:
Malicious activity
Analysis date:
2022-11-17 10:02:31 UTC
Tags:
agenttesla

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
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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 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: 748349 Sample: Sales Order Quotation_20221... Startdate: 17/11/2022 Architecture: WINDOWS Score: 100 51 Malicious sample detected (through community Yara rule) 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 12 other signatures 2->57 7 NYJDEjrAtPlYHS.exe 5 2->7         started        10 Sales Order Quotation_20221115_145947.exe 7 2->10         started        process3 file4 59 Multi AV Scanner detection for dropped file 7->59 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->61 63 May check the online IP address of the machine 7->63 69 2 other signatures 7->69 13 NYJDEjrAtPlYHS.exe 7->13         started        17 schtasks.exe 7->17         started        33 C:\Users\user\AppData\...33YJDEjrAtPlYHS.exe, PE32 10->33 dropped 35 C:\...35YJDEjrAtPlYHS.exe:Zone.Identifier, ASCII 10->35 dropped 37 C:\Users\user\AppData\Local\...\tmpCF3A.tmp, XML 10->37 dropped 39 Sales Order Quotat...1115_145947.exe.log, ASCII 10->39 dropped 65 Adds a directory exclusion to Windows Defender 10->65 67 Injects a PE file into a foreign processes 10->67 19 Sales Order Quotation_20221115_145947.exe 15 3 10->19         started        21 powershell.exe 21 10->21         started        23 schtasks.exe 1 10->23         started        25 Sales Order Quotation_20221115_145947.exe 10->25         started        signatures5 process6 dnsIp7 41 mail.heliostelecoms.com 13->41 43 api.ipify.org 13->43 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->71 73 Tries to steal Mail credentials (via file / registry access) 13->73 75 Tries to harvest and steal ftp login credentials 13->75 77 Tries to harvest and steal browser information (history, passwords, etc) 13->77 27 conhost.exe 17->27         started        45 mail.heliostelecoms.com 19->45 47 heliostelecoms.com 67.222.130.10, 49714, 49723, 587 ASN-DISUS United States 19->47 49 3 other IPs or domains 19->49 29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-16 10:13:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 26 (84.62%)
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
Looks up external IP address via web service
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f2701410a906fcdd09a197c804565d4a50e77c4d75c243d31006b17b94491428
MD5 hash:
aac4083cb056274cb605efcf999ac206
SHA1 hash:
cc21f1e4b2c42eddfa96b04c5329bd9aaffbc5a5
SH256 hash:
77c4e21e59ea320c1f632f15859e45101556c86bcf40536e25e604a74f5477f0
MD5 hash:
28f44258300e9c9f7094845cad946b45
SHA1 hash:
55f1efc0a8b07441fdb297368c65c80fa76bcb27
SH256 hash:
7dedeaa842db7e64f9726b84355e5692917f0f47b3e1d508f667d4b187168f2d
MD5 hash:
37770d3610341df5f1418f8b0c2c21e5
SHA1 hash:
4edd5d2711d21cde3789ffc31b893537ea1b04f5
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
8aa4d88b2e719e75f15d00c21c59fc6ee4369c9750c8d4c389db8ed26a02e84f
MD5 hash:
3909e78382c4607346f2dd994ac70713
SHA1 hash:
d289d597f2418e61e7bce3de817584549c95ed62
Malware family:
AgentTesla.v3
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: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 8aa4d88b2e719e75f15d00c21c59fc6ee4369c9750c8d4c389db8ed26a02e84f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments