MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fbe33ca513d51b8d34767fef358bde063faefd684393955152ed22881aa970e. 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: 7fbe33ca513d51b8d34767fef358bde063faefd684393955152ed22881aa970e
SHA3-384 hash: 8a9c59aa65f92b5890258a0441cd6b6f42adca2d0663a2bf9d4f6f9bf23d5513fc43c31f7077d2d70d0988285354bb94
SHA1 hash: 23510ee88568dd8029e43f701adb9fd7457cadcd
MD5 hash: fd6bfc245650eaa160f33f2abe9a2c8f
humanhash: rugby-xray-kilo-kitten
File name:Onlinetransfercopy.exe
Download: download sample
Signature AgentTesla
File size:921'600 bytes
First seen:2020-07-21 09:03:47 UTC
Last seen:2020-07-21 09:56:16 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 24576:RYuUGudWYrE3oD5/SRuBcaxfdVe+lR3nw/XqN:Rxu/ruodSRacaxFVe+lR3wyN
Threatray 10'748 similar samples on MalwareBazaar
TLSH 1215E1C83A50940EC59E1EBA5F51CD708370A946F6F3E34727C26EDE297E39BC905292
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.aranyajungleresort.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP 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
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248782 Sample: Onlinetransfercopy.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Antivirus detection for dropped file 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 7 other signatures 2->37 7 Onlinetransfercopy.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\AlnuUJvS.exe, PE32 7->19 dropped 21 C:\Users\...\AlnuUJvS.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp49DE.tmp, XML 7->23 dropped 25 C:\Users\user\...\Onlinetransfercopy.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 11 Onlinetransfercopy.exe 4 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 aranyajungleresort.com 216.245.220.158, 49736, 587 LIMESTONENETWORKSUS United States 11->27 29 mail.aranyajungleresort.com 11->29 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 2 other signatures 11->49 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-20 18:12:43 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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.

Malspam

AgentTesla

Executable exe 7fbe33ca513d51b8d34767fef358bde063faefd684393955152ed22881aa970e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments