MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 590d1a6a1fa00812284d4f5e4f47cb34d4965c79bfc9ec1741f2a8e14967719b. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 590d1a6a1fa00812284d4f5e4f47cb34d4965c79bfc9ec1741f2a8e14967719b
SHA3-384 hash: 2241e9af97e18400c878aafac3d852ca362710add6e07ba709b1c3a36f8b204b93f21613ffbc4164e8a853fd5b27df09
SHA1 hash: 5ef31f8769dd1efc659a2bf49ee53a91454f22c0
MD5 hash: 6e6c85057b38c1d37c9e5f193fed4198
humanhash: maine-march-vegan-emma
File name:590d1a6a1fa00812284d4f5e4f47cb34d4965c79bfc9ec1741f2a8e14967719b
Download: download sample
Signature AgentTesla
File size:902'144 bytes
First seen:2020-11-04 11:22:13 UTC
Last seen:2020-11-04 20:28:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:mIxStodX9iTVyeJK4fcvZNGiTQObeasNgisf:mMnMYebcj5TQO6BHw
Threatray 936 similar samples on MalwareBazaar
TLSH FD15BFFA6246EB6BC80F043FF84B256193C9DF2E99FD804642D5B119137C6CD66AC48B
Reporter madjack_red
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
3
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
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
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 309117 Sample: BUFLmr88XM Startdate: 04/11/2020 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->62 64 Found malware configuration 2->64 66 Multi AV Scanner detection for dropped file 2->66 68 10 other signatures 2->68 7 BUFLmr88XM.exe 6 2->7         started        11 NEWAPP.exe 5 2->11         started        13 NEWAPP.exe 4 2->13         started        process3 file4 42 C:\Users\user\AppData\...\hwKWvOxofU.exe, PE32 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmp33DB.tmp, XML 7->44 dropped 46 C:\Users\user\AppData\...\BUFLmr88XM.exe.log, ASCII 7->46 dropped 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->70 72 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->72 15 BUFLmr88XM.exe 17 9 7->15         started        20 schtasks.exe 1 7->20         started        74 Multi AV Scanner detection for dropped file 11->74 76 Machine Learning detection for dropped file 11->76 22 schtasks.exe 1 11->22         started        24 NEWAPP.exe 2 11->24         started        78 Injects a PE file into a foreign processes 13->78 26 schtasks.exe 13->26         started        28 NEWAPP.exe 13->28         started        30 NEWAPP.exe 13->30         started        signatures5 process6 dnsIp7 48 mail.deltataxation.com.au 101.0.117.115, 49764, 49765, 587 DIGITALPACIFIC-AUDigitalPacificPtyLtdAustraliaAU Australia 15->48 50 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.142.93, 443, 49761 AMAZON-AESUS United States 15->50 52 2 other IPs or domains 15->52 38 C:\Users\user\AppData\Roaming\...38EWAPP.exe, PE32 15->38 dropped 40 C:\Users\user\...40EWAPP.exe:Zone.Identifier, ASCII 15->40 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Tries to steal Mail credentials (via file access) 15->56 58 Tries to harvest and steal ftp login credentials 15->58 60 3 other signatures 15->60 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-11-03 19:17:24 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Unpacked files
SH256 hash:
590d1a6a1fa00812284d4f5e4f47cb34d4965c79bfc9ec1741f2a8e14967719b
MD5 hash:
6e6c85057b38c1d37c9e5f193fed4198
SHA1 hash:
5ef31f8769dd1efc659a2bf49ee53a91454f22c0
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
SH256 hash:
53f1ef0f64d1f98e4d32294f79ae91b926bb6a022fb747af8f7c78878713bd77
MD5 hash:
3cd50cc4d2f4681fbf7b55943c040617
SHA1 hash:
2cade2066a4e7060c91aad729a331d585b181b9b
SH256 hash:
ce9b7bca1b21ff6eb3917cb1456dac6279cf5ad2a6a041b155861968c61d94bc
MD5 hash:
72fd329295ca6da03c7e55bc4a879f4c
SHA1 hash:
51320b976c973714980c05bcab595ee13102bdc3
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments