MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8019c082f5e72270bfba4138ea662483e6235ab5751332e3ad9120f9850b5bd. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: e8019c082f5e72270bfba4138ea662483e6235ab5751332e3ad9120f9850b5bd
SHA3-384 hash: a8944c72632541b515de2c9d0d527c47dfe649d2958169afa8241834fb326b29adafd8782a44b57e33baa4e629c64051
SHA1 hash: 1c93f56127048c0a3bc476014e97cd30398cefe3
MD5 hash: 0760e7f9daa0e835cb4f83762ea6a396
humanhash: happy-finch-tango-emma
File name:FIRST PURCHASE ORDER pdf.exe
Download: download sample
Signature AgentTesla
File size:681'984 bytes
First seen:2020-07-27 11:29:38 UTC
Last seen:2020-07-28 03:46:43 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:WfWPmrkosvijZQeZNKUqLw/HBmbdBiXv3EqJDWEX:W3rkosa+ePKU7BmOX8o
Threatray 10'658 similar samples on MalwareBazaar
TLSH 31E4C55210FC22DFE6178634606785A50E16BEB1AB72DC2F1C2FF4E716B4FE86593842
Reporter jarumlus
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
6
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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 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: 251475 Sample: FIRST PURCHASE ORDER pdf.exe Startdate: 27/07/2020 Architecture: WINDOWS Score: 100 62 Found malware configuration 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 8 other signatures 2->68 8 FIRST PURCHASE ORDER pdf.exe 7 2->8         started        11 oPLNOE.exe 2 2->11         started        13 oPLNOE.exe 1 2->13         started        process3 file4 38 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpDFD8.tmp, XML 8->40 dropped 42 C:\...\&startupname&.exe:Zone.Identifier, ASCII 8->42 dropped 44 C:\Users\...\FIRST PURCHASE ORDER pdf.exe.log, ASCII 8->44 dropped 15 RegSvcs.exe 1 4 8->15         started        20 RegSvcs.exe 8->20         started        22 schtasks.exe 1 8->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        process5 dnsIp6 46 daafco.com 50.87.202.136, 49708, 587 UNIFIEDLAYER-AS-1US United States 15->46 48 mail.daafco.com 15->48 34 C:\Users\user\AppData\Roaming\...\oPLNOE.exe, PE32 15->34 dropped 36 C:\Windows\System32\drivers\etc\hosts, ASCII 15->36 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Tries to steal Mail credentials (via file access) 15->52 54 Tries to harvest and steal ftp login credentials 15->54 60 3 other signatures 15->60 28 reg.exe 1 15->28         started        56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->56 58 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->58 30 conhost.exe 22->30         started        file7 signatures8 process9 process10 32 conhost.exe 28->32         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-27 03:47:29 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Modifies registry key
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Drops file in Drivers directory
AgentTesla
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

Malspam

AgentTesla

Executable exe e8019c082f5e72270bfba4138ea662483e6235ab5751332e3ad9120f9850b5bd

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments