MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4ff8a522ef000b82d57dfa14f4e9b04967e4240dc36a0c7c3e0c53834afcf0c5. 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: 14
| SHA256 hash: | 4ff8a522ef000b82d57dfa14f4e9b04967e4240dc36a0c7c3e0c53834afcf0c5 |
|---|---|
| SHA3-384 hash: | 00926223d18ab14ff3404ca0b3032019351a6f857449f94d51ecbb1337c3e19c331a6149538c95fb57c238c317b5cbe0 |
| SHA1 hash: | b3013c2b4bfde33883ca8c74d89a5fd57cbe502f |
| MD5 hash: | 777d9708d2981116060c2978b3fc7e8b |
| humanhash: | green-ohio-kitten-idaho |
| File name: | 4ff8a522ef000b82d57dfa14f4e9b04967e4240dc36a0c7c3e0c53834afcf0c5 |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 243'200 bytes |
| First seen: | 2023-10-09 05:28:39 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 1536:IybBvGxbuRkuDw4Ij3S7pJyv8JF5VFmEQYd3ocp6fWmoNIN/TiSC/ltJkJWyxMJr:uyw4IjwsCVLQYdx6TT/TiSC6TMJs+pj |
| Threatray | 154 similar samples on MalwareBazaar |
| TLSH | T1FC34FE27BE44EB11D6583D3BD3DF2D2817B2B0C70673960BAF48AEA525412436D6E36C |
| TrID | 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Reporter |  adrian__luca |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
285
Origin country :
HUVendor Threat Intelligence
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Reading critical registry keys
Creating a window
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
control greyware hacktool keylogger lolbin packed packed replace
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
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.
Malware family:
Agent Tesla
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-09 05:29:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
16 of 23 (69.57%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 144 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
outlook_office_path
outlook_win_path
Accesses Microsoft Outlook profiles
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:
4ff8a522ef000b82d57dfa14f4e9b04967e4240dc36a0c7c3e0c53834afcf0c5
MD5 hash:
777d9708d2981116060c2978b3fc7e8b
SHA1 hash:
b3013c2b4bfde33883ca8c74d89a5fd57cbe502f
Malware family:
AgentTesla.v4
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | INDICATOR_EXE_Packed_GEN01 |
|---|---|
| Author: | ditekSHen |
| Description: | Detect packed .NET executables. Mostly AgentTeslaV4. |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_agent_tesla_bytecodes_sep_2023 |
|---|---|
| Author: | Matthew @embee_research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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