MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89bd1e9ef11da85ed00a7768ea07f1af0400b70505603ee202178516ef511dc6. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 89bd1e9ef11da85ed00a7768ea07f1af0400b70505603ee202178516ef511dc6
SHA3-384 hash: f90856a55c550aef99ad922b3488093f8f3ae1993d591d29373dc0676b1d4e755e968d7ed3d9ba2c59aebded18011c25
SHA1 hash: 6d50e521459ad9c65579554a04bf0554ba24e2f9
MD5 hash: c2b13e9f5aae5863f00f60209a269d80
humanhash: pennsylvania-lamp-avocado-twenty
File name:c2b13e9f5aae5863f00f60209a269d80.exe
Download: download sample
Signature AgentTesla
File size:744'448 bytes
First seen:2020-07-22 10:10:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:lkQ/Yg9Aj57ZDOv2roX2vNb8ZdXEBexE/F+Dy4l4pxqQqalNbRL9e87TmLbuweYZ:lluOv20GveZNJSdRMqxEGtB2LyjB4Rmm
Threatray 10'650 similar samples on MalwareBazaar
TLSH DDF45CB1448D1472D1BA0734D65C25BE12B5BC911792EA3BE52237EB247BF60AC1CCBE
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.vertexglobal.id:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249854 Sample: Em23fwYIzk.exe Startdate: 23/07/2020 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 2 other signatures 2->53 6 Em23fwYIzk.exe 1 2->6         started        10 nslookup.exe 1 2->10         started        12 nslookup.exe 2->12         started        process3 file4 23 C:\Users\user\AppData\...m23fwYIzk.exe.log, ASCII 6->23 dropped 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->55 14 Em23fwYIzk.exe 2 5 6->14         started        57 Multi AV Scanner detection for dropped file 10->57 59 Uses nslookup.exe to query domains 10->59 19 nslookup.exe 2 10->19         started        21 nslookup.exe 2 12->21         started        signatures5 process6 dnsIp7 29 m002.webmail.dmail.id 103.7.226.61, 49719, 49720, 49722 IDNIC-SDK-AS-IDPTSuralokaDigitalKreatifID Indonesia 14->29 31 mail.vertexglobal.id 14->31 25 C:\Users\user\AppData\...\nslookup.exe, PE32 14->25 dropped 27 C:\Users\...\nslookup.exe:Zone.Identifier, ASCII 14->27 dropped 37 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->37 33 mail.vertexglobal.id 19->33 35 mail.vertexglobal.id 21->35 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->39 41 Tries to steal Mail credentials (via file access) 21->41 43 Tries to harvest and steal ftp login credentials 21->43 45 Tries to harvest and steal browser information (history, passwords, etc) 21->45 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-14 03:30:36 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
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.

Comments