MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7be8b5b17f15893c49c1748052bee41cbbb574b2aa6ede4923e01ccdaded68d. 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 4 File information Comments

SHA256 hash: c7be8b5b17f15893c49c1748052bee41cbbb574b2aa6ede4923e01ccdaded68d
SHA3-384 hash: 2ef27653027244400ae71c5df72b0c900155ea25273edf06b8c4aa06c80bfff913263312a65e4f1c64d60c8806071ecd
SHA1 hash: 18a3b3b9ebd80d8cb12ec18b749a9e843e0c3ea8
MD5 hash: 0c2b2237be9d61afea6f62cd4edff9e4
humanhash: mars-massachusetts-utah-emma
File name:PURCHASE ORDER.exe
Download: download sample
Signature AgentTesla
File size:776'704 bytes
First seen:2020-08-13 10:08:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:j4M5d7oQJvRT903+l03++LwedxLfB6kAkH2kXOUaWUTYxZKyTkj5LfJYg6wn:1d7oQJvRT903+l03++LLdxjUrEu+ZbTo
Threatray 10'555 similar samples on MalwareBazaar
TLSH 59F4D05023E55573E57A7E349A32161007BBBC976A3EC34E0B8D72CF99217AC8A10B77
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: msa-smtp19.hinet.net
Sending IP: 168.95.6.69
From: 朱建達 <chu.ct@msa.hinet.net>
Subject: Requirements / purchase order Aug-13th
Attachment: PURCHASE ORDER..zip (contains "PURCHASE ORDER.exe")

AgentTesla SMTP exfil server:
jamaicaredcross.org:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
71
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
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary contains a suspicious time stamp
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
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:
Threat name:
ByteCode-MSIL.Trojan.LokiSteal
Status:
Malicious
First seen:
2020-08-13 10:10:09 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:RSharedStrings
Author:Katie Kleemola
Description:identifiers for remote and gmremote
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 c7be8b5b17f15893c49c1748052bee41cbbb574b2aa6ede4923e01ccdaded68d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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