MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0dff04cbc66cf66ac737d135dea5f85bc6bcf08d274d14d544949951de56597c. 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


Intelligence File information Yara 3 Comments

SHA256 hash: 0dff04cbc66cf66ac737d135dea5f85bc6bcf08d274d14d544949951de56597c
SHA3-384 hash: 62df965d5fb8c72839ddbf2c2dfdbe1dd3e48cd8abb5c6e4621a971ce11f2cdd793e9f94e76c7e49ed9b7b11e450dde8
SHA1 hash: d9a7241ed11cc4a797a560eb6d15c6e5b5421293
MD5 hash: 681378c431cd1552b31f712d5e98603f
humanhash: asparagus-social-paris-quebec
File name:681378c431cd1552b31f712d5e98603f.exe
Download: download sample
Signature AgentTesla
File size:450'048 bytes
First seen:2020-07-31 09:24:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 12288:GCbRI+adah8Bc/xhvK1Ft34gk+7xosxw/FPJuqudAT:pDadahp/xhvETogk+7xosaFJ4qT
TLSH F4A4DF0AB665196FD4E872F437D3005453B61C2924B0EFD87EC9F2D924F7BA60602BA7
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
AgentTesla SMTP exfil server:
webmail.dragon-pack.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
FR FR
Mail intelligence
No data
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Signature
Contains functionality to register a low level keyboard hook
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 255255 Sample: pbGQcDjtID.exe Startdate: 31/07/2020 Architecture: WINDOWS Score: 100 24 g.msn.com 2->24 26 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->26 32 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->32 34 Found malware configuration 2->34 36 Sigma detected: Scheduled temp file as task from temp location 2->36 38 2 other signatures 2->38 8 pbGQcDjtID.exe 7 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\Local\...\tmp6FD6.tmp, XML 8->20 dropped 22 C:\Users\user\AppData\Roaming\VLcsak.exe, PE32 8->22 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->42 44 Contains functionality to register a low level keyboard hook 8->44 46 Injects a PE file into a foreign processes 8->46 12 pbGQcDjtID.exe 2 8->12         started        16 schtasks.exe 1 8->16         started        signatures6 process7 dnsIp8 28 webmail.dragon-pack.com 192.249.121.28, 49735, 587 IMH-WESTUS United States 12->28 30 192.168.2.1 unknown unknown 12->30 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Tries to steal Mail credentials (via file access) 12->50 52 Tries to harvest and steal ftp login credentials 12->52 54 2 other signatures 12->54 18 conhost.exe 16->18         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-29 10:12:49 UTC
AV detection:
22 of 31 (70.97%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
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
Threat name:
Kryptik
Score:
1.00

Yara Signatures


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