MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f58363f865048e85056700e2cc3f38fdf9aaaace5e2b738556a6e75e6dfba86c. 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: 10
| SHA256 hash: | f58363f865048e85056700e2cc3f38fdf9aaaace5e2b738556a6e75e6dfba86c |
|---|---|
| SHA3-384 hash: | 2a154e6a22393ae2f7ef443be4d974ddc306a82085f8eda226686a7779cd092bccb64c8191a1042ab534ee2bf5380857 |
| SHA1 hash: | 006992e3e483819bffe652ab41484524c36558ba |
| MD5 hash: | 7a7a5965428fa15f494e2239ad9e651e |
| humanhash: | may-queen-purple-bulldog |
| File name: | gunzipped |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 723'968 bytes |
| First seen: | 2020-07-30 10:16:59 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger) |
| ssdeep | 12288:OHX8kTRhDc1m88GWOMCOWKwqNnRgyHM50:OHLTrDxRdO4WK1NH |
| Threatray | 10'954 similar samples on MalwareBazaar |
| TLSH | B3F4292CF646A884E53D093104A895806AB1B78B2B1ECA0F35F6375C5F326DB3A57D4F |
| Reporter |  abuse_ch |
| Tags: | AgentTesla |
abuse_ch
Malspam distributing AgentTesla:HELO: zz0.603.gunayanescafin.ml
Sending IP: 157.245.230.199
From: D. van der Steen B.V. <sales@603.gunayanescafin.ml>
Subject: AW: Quotation
Attachment: Order_Bon_Commande_41100006_BC02422_RFL DNA UNIT.gz (contains "gunzipped")
AgentTesla SMTP exfil server:
smtp.yandex.com:587
Intelligence
File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a custom TCP 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
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
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.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-30 10:18:07 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 10'944 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Executes dropped EXE
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.99
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.
f1717ea4da58a9981eb55ddd4530e3e7
Dropped by
MD5 f1717ea4da58a9981eb55ddd4530e3e7
Delivery method
Distributed via e-mail attachment
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