MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4fc33aa81e0b49bc4bbeafb2d0485b238d8cb64d282c1f474dab1627a77559a5. 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: 11
| SHA256 hash: | 4fc33aa81e0b49bc4bbeafb2d0485b238d8cb64d282c1f474dab1627a77559a5 |
|---|---|
| SHA3-384 hash: | e3326c6a36cc6e55fb194d77292a77cee8d64f2aded2914b7c87605481e282836e719ff4ab992a9d2355769963b386d0 |
| SHA1 hash: | 7ea32591c9e568a9cf485747af8a2458ee1d3bab |
| MD5 hash: | 40220db3964b9248c03e874d8ce922cc |
| humanhash: | zebra-arizona-oranges-wolfram |
| File name: | TonyBro.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 220'672 bytes |
| First seen: | 2020-12-08 14:33:01 UTC |
| Last seen: | 2020-12-08 17:08:16 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 3072:CVQwcnN0vEy2nyDnrNCkUXduKadcDOsqJkk21lc9do439cN64pKE3wLY3C+YDHOj:CQ+DnpUbUcfkiLN64pB0DpO |
| Threatray | 1'723 similar samples on MalwareBazaar |
| TLSH | B22429566715D510CB5F637EC01A821831B1D703A72AD2CF5AA6D8EA2F832CDF90BDE4 |
| Reporter |  James_inthe_box |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TonyBro.exe
Verdict:
No threats detected
Analysis date:
2020-12-08 14:50:43 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
May check the online IP address of the machine
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)
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
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Status:
Malicious
First seen:
2020-12-08 14:32:51 UTC
File Type:
PE (.Net Exe)
AV detection:
20 of 29 (68.97%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 1'713 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Looks up external IP address via web service
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:
4fc33aa81e0b49bc4bbeafb2d0485b238d8cb64d282c1f474dab1627a77559a5
MD5 hash:
40220db3964b9248c03e874d8ce922cc
SHA1 hash:
7ea32591c9e568a9cf485747af8a2458ee1d3bab
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.79
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: | ach_AgentTesla_20200929 |
|---|---|
| Author: | abuse.ch |
| Description: | Detects AgentTesla PE |
| Rule name: | win_agent_tesla_v1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects Agent Tesla |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
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