MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 923400c38b42c55fd484b8dfec8058a5952de23cbe053dea7bf041aa727c1b25. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 923400c38b42c55fd484b8dfec8058a5952de23cbe053dea7bf041aa727c1b25
SHA3-384 hash: ac65b9500d06fe6833e95cf31f4a9556fa3ac61e4f94246af626b7602478fc5eec3ba6fb5f08db9b5f9f06d22e63f6bd
SHA1 hash: b5ed8871f8dbabc8346b222db9db7ab3cdf27f1a
MD5 hash: 0605676382c6bda20b016909aae510e1
humanhash: early-oranges-artist-friend
File name:65056-P.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:571'904 bytes
First seen:2020-08-19 10:12:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:OxIodzwJEZBuqo4JvtgNh8kd//5GJKk383J:OxIodkJEjuZ6tKhzd//Kq5
Threatray 10'424 similar samples on MalwareBazaar
TLSH 37C4F29750691328D43C74FD901109A346B79C2A935AFAA602F8377F15FE663CE2633E
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/48371/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.405.32632.17912.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/437394
Signature
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies the hosts 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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 271182 Sample: 65056-P.exe Startdate: 19/08/2020 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->33 35 Found malware configuration 2->35 37 Yara detected AgentTesla 2->37 39 3 other signatures 2->39 8 65056-P.exe 3 2->8         started        process3 file4 25 C:\Users\user\AppData\...\65056-P.exe.log, ASCII 8->25 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->43 45 Injects a PE file into a foreign processes 8->45 12 65056-P.exe 2 8->12         started        17 65056-P.exe 8->17         started        19 65056-P.exe 8->19         started        signatures5 process6 dnsIp7 29 amexworldwide.com 74.124.210.251, 49756, 587 IMH-WESTUS United States 12->29 31 mail.amexworldwide.com 12->31 27 C:\Windows\System32\drivers\etc\hosts, ASCII 12->27 dropped 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->47 49 Tries to steal Mail credentials (via file access) 12->49 51 Tries to harvest and steal ftp login credentials 12->51 53 2 other signatures 12->53 21 reg.exe 1 12->21         started        file8 signatures9 process10 process11 23 conhost.exe 21->23         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/923400c38b42c55fd484b8dfec8058a5952de23cbe053dea7bf041aa727c1b25/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-19 03:09:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=si2abq4lilcv7veexdp6zacyuwks3yr4xyct32t36ba2u4t4dmsq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'414 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200819-ab48vtj2p2/
Behaviour
Modifies registry key
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
Drops file in Drivers directory
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
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/48371/

Comments