MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3bffbfec3843fb0f8377ce7991e9271346e80777f312f37eec8564c38df3673. 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 7 File information Comments

SHA256 hash: e3bffbfec3843fb0f8377ce7991e9271346e80777f312f37eec8564c38df3673
SHA3-384 hash: fe4a1c575971390fccf1053b1f4190d974e2557a2eb03a24dd350f0353c85d2bcd05cbab35d1b121f9d797c9633fda8d
SHA1 hash: 4c694f1b983b8016629265c0f193cf6adea02ca5
MD5 hash: 2cab67840865a7eccffe91745e883cf4
humanhash: monkey-december-xray-north
File name:Quotation BID for FLORADYE-897498-sn-479873.exe
Download: download sample
Signature AgentTesla
File size:919'552 bytes
First seen:2020-11-19 03:24:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:9ct/+TXUogZpht8LFgJ7rps23O3EKM15IjtkoJToroTKZc7dUcc6WkFRJ9Lc:7opv8eJ7rBirMezZoroTKS71Wkbjo
Threatray 9'554 similar samples on MalwareBazaar
TLSH BF15F1323565FF82D2BE4BF48162A4440FBAA63B642DE79C2CD511DE14B1B084F46E7B
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP 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
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
Result
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-11-17 23:50:40 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
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
Unpacked files
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
SH256 hash:
98eb1bdd61d3d080761020a385775e10a96353d6fe045a496b147932ee8c20f4
MD5 hash:
9e56cfeff4e493e8294e8d54de7b11c4
SHA1 hash:
a55e947be0adb6d56f41ffc3baf1bf713aeb59c4
SH256 hash:
bf03453f0ddbd648487ab192ccca80c9248c89821510c4f8c12cdc0631e76e56
MD5 hash:
8f2cd22666cf642764fa87cfe041fe5e
SHA1 hash:
ab9566bd6eb35d87694c1848890f54e6ddd3f149
Detections:
win_agent_tesla_w1
SH256 hash:
e3bffbfec3843fb0f8377ce7991e9271346e80777f312f37eec8564c38df3673
MD5 hash:
2cab67840865a7eccffe91745e883cf4
SHA1 hash:
4c694f1b983b8016629265c0f193cf6adea02ca5
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_extracted_bin
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Author:jeFF0Falltrades
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_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla
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 e3bffbfec3843fb0f8377ce7991e9271346e80777f312f37eec8564c38df3673

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

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