MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 311f3f352aab9853825dd455bcf8721f7d25d48c27fb1b4bd1ae9103e31bd7f4. 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: 12
| SHA256 hash: | 311f3f352aab9853825dd455bcf8721f7d25d48c27fb1b4bd1ae9103e31bd7f4 |
|---|---|
| SHA3-384 hash: | 318f39d62f5019df92681e092c1066d5fb50c7892fa3d9d08ec00a90e58ef0123c07fa0dcd86d5832297e80071e44225 |
| SHA1 hash: | 57e74904a72fa69c7c81a3c5aeb77865b32bfa11 |
| MD5 hash: | 7dbeb9ccb04ea7f800cc115f3ea2a231 |
| humanhash: | jupiter-lemon-mirror-early |
| File name: | PRE-ALERT-HTHC22031529.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 100'352 bytes |
| First seen: | 2023-08-18 06:53:13 UTC |
| Last seen: | 2023-08-18 13:13:40 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 3072:rCcNPrLtoBQtwTzZSxH7SlQjbJWutGRKGV7+52wuI+ghGt5KrfcT5:rCcNPrLto+twT1SxH7SlQjbJWutGRKGt |
| Threatray | 846 similar samples on MalwareBazaar |
| TLSH | T16BA33A28368C4717C3AC27B9F14B81048B7592B75613FB8D388D16E42F937D0A9A769F |
| 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 |  lowmal3 |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
4
# of downloads :
283
Origin country :
DEVendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
PRE-ALERT-HTHC22031529.exe
Verdict:
Malicious activity
Analysis date:
2023-08-18 06:55:54 UTC
Tags:
agenttesla stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
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.
Verdict:
Unknown
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Creates multiple autostart registry keys
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
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 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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-17 23:11:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 37 (64.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 836 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
persistence spyware stealer
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Adds Run key to start application
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
Unpacked files
SH256 hash:
311f3f352aab9853825dd455bcf8721f7d25d48c27fb1b4bd1ae9103e31bd7f4
MD5 hash:
7dbeb9ccb04ea7f800cc115f3ea2a231
SHA1 hash:
57e74904a72fa69c7c81a3c5aeb77865b32bfa11
Malware family:
AgentTesla
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
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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