MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2f6f668a34430c631a8655e4bdd5792b0dc16b13a7e8f447c185d2c4216f81c5. 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: 8
| SHA256 hash: | 2f6f668a34430c631a8655e4bdd5792b0dc16b13a7e8f447c185d2c4216f81c5 |
|---|---|
| SHA3-384 hash: | 6728aaae14f82beedee70ceb9c5dd501c93d109a1b738b43071eb32dd29127b7c17068a32ea34fa42570843ba9da006a |
| SHA1 hash: | 3c4469a6b7d8a88adca7c9e6fc63b8c919841449 |
| MD5 hash: | b110c2b72e217683dd975206c8ccac44 |
| humanhash: | purple-blossom-fix-hamper |
| File name: | BL Draft #20200729-98758TRY93847DH37456.pdf.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 755'712 bytes |
| First seen: | 2020-07-29 05:07:25 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:+QoVYuV+dXrOBhn/beoWLzNgzt+0JxZzuqkzoJN:pdu8dQCoW3ww0JxZaq3N |
| Threatray | 100 similar samples on MalwareBazaar |
| TLSH | 36F4AF48E1C4A8D5C6B90A31ADBD7524DABEBCD691379F092C48F27B06B3353A03157E |
| Reporter |  abuse_ch |
| Tags: | AgentTesla exe |
abuse_ch
Malspam distributing AgentTesla:HELO: webmail.cyber.net.pk
Sending IP: 203.101.175.37
From: Rong Lee <hameedentr@cyber.net.pk>
Subject: Re: **TOP URGENT** Shipping Documents
Attachment: BL Draft 20200729-98758TRY93847DH37456.pdf.gz (contains "BL Draft #20200729-98758TRY93847DH37456.pdf.exe")
AgentTesla SMTP exfil server:
smtp.yandex.com:587
Intelligence
File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped 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)
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-29 05:09:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 90 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
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.
Malspam
Delivery method
Distributed via e-mail attachment
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