MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c8da0da6cbab2366291deabbb773bec304a9e49c87982a04d6ee33c712cd642. 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: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: 2c8da0da6cbab2366291deabbb773bec304a9e49c87982a04d6ee33c712cd642
SHA3-384 hash: 881c2f67137bcd4f183d68369540237d58caee84c6946c90fdafcfac343d4ac25d9b3602c63993c99b98e8319862d10d
SHA1 hash: effb71e8fd0c96744b65360450174bc104ab2b67
MD5 hash: 7b52b5e065c12431e0fabe8c205dc6c5
humanhash: michigan-nitrogen-emma-double
File name:efott.txt.exe
Download: download sample
Signature AgentTesla
File size:740'352 bytes
First seen:2020-08-28 21:18:08 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:e/ZHYeJW7jP2S44oRaYxpFxKB4iiQ09S18Bhvevz06VmA5UiOpt:mpW2SkRaCU09/hvebmZlz
Threatray 9'245 similar samples on MalwareBazaar
TLSH 49F412FE460C9F5FC7ED097C24CE31440AF41A76944AE3AA8E22E27671E078ED745993
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279381 Sample: efott.txt.exe Startdate: 28/08/2020 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 9 other signatures 2->35 7 efott.txt.exe 5 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\gffuUAfR.exe, PE32 7->19 dropped 21 C:\Users\...\gffuUAfR.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp7D47.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\efott.txt.exe.log, ASCII 7->25 dropped 37 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->37 39 Writes to foreign memory regions 7->39 41 Injects a PE file into a foreign processes 7->41 43 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->43 11 RegSvcs.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 mail.privateemail.com 198.54.122.60, 49727, 587 NAMECHEAP-NETUS United States 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 4 other signatures 11->51 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Status:
Malicious
First seen:
2020-08-28 21:17:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware evasion trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments