MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91cfa121b109ceaceb8ca6dcef72ac69691291facec3569755f13c4a87f6da75. 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 3 File information Comments

SHA256 hash: 91cfa121b109ceaceb8ca6dcef72ac69691291facec3569755f13c4a87f6da75
SHA3-384 hash: f77f4107709758a675ab7bbc62df504be08d793d8edf15c7eadb9c3c2f05b5c761f419e6181d8c9e78c91a07a63145c2
SHA1 hash: 8c5ce1a2124f0d1c3b0a04619d793bb2b9648053
MD5 hash: f07b1aaf7ea6097c52f7408a53fa5d03
humanhash: alpha-finch-tennis-aspen
File name:f07b1aaf7ea6097c52f7408a53fa5d03.exe
Download: download sample
Signature AgentTesla
File size:953'856 bytes
First seen:2020-08-18 19:30:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:007zCAslC2G7Y9lri8eUH5vmzduM11zn/f+ddzsk/y9Bxxy5KGAH6:ThXY9lZ5vK/zEdzsTirq6
Threatray 9'288 similar samples on MalwareBazaar
TLSH 7015E0A5F593E686E07D4233D896B52513F1AC5AE0789A7F69AC321414F33938233DCB
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-08-18 14:37:46 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
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