MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 61358417b17934b4908ea8bf1c8c58c7d64f6d899159e7ffb91406029d62b83a. 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: | 61358417b17934b4908ea8bf1c8c58c7d64f6d899159e7ffb91406029d62b83a |
|---|---|
| SHA3-384 hash: | f26867f40a9e7f350dc35744d8c513a090ec377e484d885a04d8c386072f10893f445336fedf3cc9074332738dc8ce1e |
| SHA1 hash: | 1c602b8d6d9a925874f0e5265529c224fe47d7c5 |
| MD5 hash: | f97853ddd0483ffe63f81abaeaac8fa3 |
| humanhash: | mobile-apart-pasta-steak |
| File name: | Mediform SA Order 0508202.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 464'896 bytes |
| First seen: | 2020-08-05 16:17:57 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger) |
| ssdeep | 12288:k8CQ5FAFCFZYxve+3wIj2SYwSIYV58bgrpiA:hFAFCFZQdjj3w8sQA |
| Threatray | 10'654 similar samples on MalwareBazaar |
| TLSH | 7DA4E094339D9B32ECFC5FF8019D348553F97D2AEE62E3581D8230F6267279086A1693 |
| Reporter |  abuse_ch |
| Tags: | AgentTesla exe |
abuse_ch
Malspam distributing AgentTesla:HELO: hshgroups.co
Sending IP: 104.168.166.26
From: Mediform S.A<mediform.s.a@hotmail.com>
Subject: Re:Fw: Request For New Inquiry RFQ
Attachment: Mediform SA Order 0508202.rar (contains "Mediform SA Order 0508202.exe")
AgentTesla SMTP exfil server:
smtp.yandex.com:587
Intelligence
File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
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
Moving of the original file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates executable files without a name
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-08-05 16:19:09 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 10'644 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
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 |
|---|---|
| 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.
979fbaf3ae6af4cb99e65b47880e0d95
Dropped by
MD5 979fbaf3ae6af4cb99e65b47880e0d95
Delivery method
Distributed via e-mail attachment
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