MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fc665c437d20db8d83dedda34c291cbf71a0fabc5d91cb0021de21ac63fa8e88. 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
| SHA256 hash: | fc665c437d20db8d83dedda34c291cbf71a0fabc5d91cb0021de21ac63fa8e88 |
|---|---|
| SHA3-384 hash: | bbfce1ea8ec329833328b738138f5f561dd91273e0e3c0413976980644f9a3083cb0edbe643716ab45f89f160d15e22a |
| SHA1 hash: | 07d680eada94f928ca5e1effdf7e8ce9a02ce7b2 |
| MD5 hash: | e8204fbb0c8c1739d6a8a890f4050fca |
| humanhash: | missouri-uncle-mockingbird-victor |
| File name: | 0986535.xlsx VSL index.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 146'248 bytes |
| First seen: | 2020-10-01 05:28:51 UTC |
| Last seen: | 2020-10-01 06:47:20 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 3072:CQOywx2r00FR7rMEPvqkYvnveFduB4J5axRTJIQMNQgTb:CLvxcbFtrdXMvnWFduB4J5syHtX |
| Threatray | 238 similar samples on MalwareBazaar |
| TLSH | 1BE3EF103658CB27ED3C33343BA7949206F076D3A726CA7E5FDD99E2AB31E4419498A4 |
| Reporter |  cocaman |
| Tags: | AgentTesla exe |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | Sep 30 13:12:50 2020 GMT |
| Valid to: | Sep 30 13:12:50 2021 GMT |
| Serial number: | C9003187E3CEB31FA65EAE7BD021A5B1 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 05D39C6D3892442747C62731CC2D9B4B44E5E4A1977897DE96109C9191BBE90C |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
3
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a process with a hidden window
Sending a UDP request
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a window
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary contains a suspicious time stamp
Connects to a pastebin service (likely for C&C)
Contains functionality to hide a thread from the debugger
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-09-30 16:27:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 228 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
fc665c437d20db8d83dedda34c291cbf71a0fabc5d91cb0021de21ac63fa8e88
MD5 hash:
e8204fbb0c8c1739d6a8a890f4050fca
SHA1 hash:
07d680eada94f928ca5e1effdf7e8ce9a02ce7b2
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.
Malspam
Delivery method
Other
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