MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a4b6103b1dfe717301995f598b140b0ce26e7a1541f45b6ed6485c05dca2692a. 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: | a4b6103b1dfe717301995f598b140b0ce26e7a1541f45b6ed6485c05dca2692a |
|---|---|
| SHA3-384 hash: | b271e57b532077c2d2cada1e7b89896ba0c71994b67c7f2ad182f07ba7c945cb45969b09871666809f215c3fb40dde09 |
| SHA1 hash: | c42e37adc7b39ef6e403a2cf95bafcd2a8e43ec1 |
| MD5 hash: | 3c6b897f7ee492fe15918cfc1c6d3861 |
| humanhash: | table-apart-india-wyoming |
| File name: | Quotation Request for Urgent Shipment - Minimum order Quantity and Fastest Lead time REF22002.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 575'488 bytes |
| First seen: | 2020-09-22 08:54:10 UTC |
| Last seen: | 2020-09-22 09:50:28 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 6144:+urVvGt4mbGJgoZZcX9ETLue2pLK338+Zn3hzXx7/OQ2ElEMfJTPBEyVvXDj+lDF:+dtdggcsUoK3L93hoQ2EWMfJbBJ0dAA |
| Threatray | 111 similar samples on MalwareBazaar |
| TLSH | 19C4E6F12E428478C89AC379887684C3F573728E2E97450DB09AAB0D6D223D75B7F54B |
| Reporter |  cocaman |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
3
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Creating a file in the %temp% subdirectories
Creating a file
Creating a process from a recently created file
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
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.evad
Score:
92 / 100
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
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 detect virtualization through RDTSC time measurements
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-09-22 02:15:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
23 of 28 (82.14%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 101 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
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: | MAL_RANSOM_COVID19_Apr20_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects ransomware distributed in COVID-19 theme |
| Reference: | https://unit42.paloaltonetworks.com/covid-19-themed-cyber-attacks-target-government-and-medical-organizations/ |
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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