MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a38183a018971679f3c0e622e0f8f07b6dbfbe36de7b36b190769f8c79b625a6. 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: 9
| SHA256 hash: | a38183a018971679f3c0e622e0f8f07b6dbfbe36de7b36b190769f8c79b625a6 |
|---|---|
| SHA3-384 hash: | 316dacbcd18b62ed5587245e904693f4d92d5341f8f2acda6fcfba2c6c59a5b1283a027369393a13925f7e06cba1b9a7 |
| SHA1 hash: | 7b35c5091a5498f64cd5dc89a80a9a80770a06a1 |
| MD5 hash: | aaa89fc59a12a8893d8ba100dceffb6b |
| humanhash: | triple-indigo-leopard-river |
| File name: | PO_Document0000000000001.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 1'367'040 bytes |
| First seen: | 2020-08-30 11:51:05 UTC |
| Last seen: | 2020-08-30 12:48:07 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 12288:ZxtM5EkCLrGybhpF9vaHbHcoqZJ3OdQD:nSEkDyE8oi+d |
| Threatray | 132 similar samples on MalwareBazaar |
| TLSH | 58555B6D39D06104E53EC9B285E498D1A6B0B94F2780CBDF74CDA32E1D1369F7A1C36A |
| Reporter |  abuse_ch |
| Tags: | AgentTesla exe |
abuse_ch
Malspam distributing AgentTesla:HELO: mail.bengiamein.gq
Sending IP: 5.8.93.102
From: KAH JOON <skaime@bengiamein.gq>
Subject: Fwd: RE:PO05262 RFQ
Attachment: PO_Document0000000000001.rar (contains "PO_Document0000000000001.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Setting a keyboard event handler
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
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 sample
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-30 11:36:21 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 122 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
keylogger stealer family:agenttesla
Behaviour
AgentTesla Payload
Agenttesla family
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: | 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.
e38f4b170a90b2d2fe5e7d8eb3a96612
Dropped by
MD5 e38f4b170a90b2d2fe5e7d8eb3a96612
Delivery method
Distributed via e-mail attachment
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