MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13f96451e9e4a07f4644b225e93b510a8b226dd77d1d5d6b2c04e3d51681a4c7. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13f96451e9e4a07f4644b225e93b510a8b226dd77d1d5d6b2c04e3d51681a4c7
SHA3-384 hash: e0aa45d22dad7bf065e9cf7340fd8e0008d4e4050e3cbd629abafedecddddfe2c5fd5d2d630dbc59a6f4acbe10411bf4
SHA1 hash: 128273d895b7085414e0b6859cd045aee6a4eaa3
MD5 hash: da2463ee710cf1233d7af8d1ece47d0a
humanhash: august-burger-finch-vegan
File name:PO279476798.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:562'688 bytes
First seen:2020-09-16 14:42:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:Exde6nv/lQVDc9ZJAGDxtERgVYGG9Swm9F/kVc8PTxY7SR:ExdeivNQFcLTXERgBGZYJkVH
Threatray 9'446 similar samples on MalwareBazaar
TLSH A3C42369134E8B7DD8E073B25D0D7C986274904BF5B1DA8EAE50A0CD305B3A8A423F5F
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/62237/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/468036
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for sample
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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 286436 Sample: PO279476798.exe Startdate: 16/09/2020 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AgentTesla 2->43 45 5 other signatures 2->45 6 PO279476798.exe 5 2->6         started        10 DsWhv.exe 4 2->10         started        12 DsWhv.exe 3 2->12         started        process3 file4 23 C:\Users\user\AppData\...\PO279476798.exe.log, ASCII 6->23 dropped 47 Writes to foreign memory regions 6->47 49 Allocates memory in foreign processes 6->49 51 Injects a PE file into a foreign processes 6->51 53 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 6->53 14 RegSvcs.exe 2 6 6->14         started        19 conhost.exe 10->19         started        21 conhost.exe 12->21         started        signatures5 process6 dnsIp7 27 cortlandfire.org 35.208.151.201, 49734, 587 GOOGLE-2US United States 14->27 29 mail.cortlandfire.org 14->29 25 C:\Users\user\AppData\Roaming\...\DsWhv.exe, PE32 14->25 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 4 other signatures 14->37 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/13f96451e9e4a07f4644b225e93b510a8b226dd77d1d5d6b2c04e3d51681a4c7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-09-16 13:18:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cp4wiupj4sqh6rsewis6so2rbkfse3oxpuov22zmatr5kfubutdq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 9'436 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200916-9px6hfmden/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/13f96451e9e4a07f4644b225e93b510a8b226dd77d1d5d6b2c04e3d51681a4c7

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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

zip 62f4cca09be2d3acfb07f17bd628ac1e73db2e56bf5b271bba29c60dbd8b6b68

AgentTesla

Executable exe 13f96451e9e4a07f4644b225e93b510a8b226dd77d1d5d6b2c04e3d51681a4c7

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 62f4cca09be2d3acfb07f17bd628ac1e73db2e56bf5b271bba29c60dbd8b6b68
Cape
Cape
https://www.capesandbox.com/analysis/62237/

Comments