MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 18d3011645c5f9432db3d23aca3ebfadb856684b28e1cadf2d11cb7e668ed67a. 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: 13
| SHA256 hash: | 18d3011645c5f9432db3d23aca3ebfadb856684b28e1cadf2d11cb7e668ed67a |
|---|---|
| SHA3-384 hash: | ca330ba11c0cde183bc2c12575ebc00a2a5e9a86d2c2ce482ee95f6d7a623436c5a792951a5945135501189002c74ef0 |
| SHA1 hash: | 9ccd7076436e291905e48a297f1537ad672d2718 |
| MD5 hash: | bdfd8d4d4f6e515036bc48adefdda098 |
| humanhash: | undress-mockingbird-bakerloo-sodium |
| File name: | Zokzni.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 179'712 bytes |
| First seen: | 2023-08-11 13:22:00 UTC |
| Last seen: | 2023-08-16 09:10:54 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 3072:6+iIr3j1KrqXbrMFp6xcXY0NekB16/QOhBKDnKXkB4cqFeHE3vmqzG:IIr3NSptI9kuPhBKDnKXkB4c4v |
| Threatray | 5'550 similar samples on MalwareBazaar |
| TLSH | T14704E783B64789B1C24A17B7F9DB23040B79D681B693D70A798E12E64943FF69D08F07 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Reporter |  James_inthe_box |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
273
Origin country :
USVendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Zokzni.exe
Verdict:
Malicious activity
Analysis date:
2023-08-11 13:25:07 UTC
Tags:
stealer agenttesla
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
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
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Sigma detected: MSBuild connects to smtp port
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-11 10:14:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 38 (55.26%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 5'540 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
6/10
Tags:
persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Unpacked files
SH256 hash:
18d3011645c5f9432db3d23aca3ebfadb856684b28e1cadf2d11cb7e668ed67a
MD5 hash:
bdfd8d4d4f6e515036bc48adefdda098
SHA1 hash:
9ccd7076436e291905e48a297f1537ad672d2718
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: | 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
Other
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