MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90c99275bfea4f4084d07b4a0a044f81e6c9fbe19fba688a7fe8a0be46004acf. 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


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 90c99275bfea4f4084d07b4a0a044f81e6c9fbe19fba688a7fe8a0be46004acf
SHA3-384 hash: 638a62ccf44ad58dc528c224dfd488c621f4c21cc3f37571b0a297a24d8db5788e521ef54fc825c2ffb1f9d82b4df36a
SHA1 hash: d77cc7353437f7f4a4b09cad177a69999b93953d
MD5 hash: d34788ab65c5e3739d14c96d9ccd6f31
humanhash: two-orange-west-florida
File name:Order 5939.exe
Download: download sample
Signature AgentTesla
File size:403'816 bytes
First seen:2020-10-20 13:40:37 UTC
Last seen:2020-10-26 06:16:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:yN9yf2wLTJf5iC6dtz8sjlXChsfh6CNFQs:yef2u8U2FJ
Threatray 671 similar samples on MalwareBazaar
TLSH 8484928C66D82CA5E8F2E9386EE665538CE5B8F30DD5E73400E293D550B72506B0FD3A
Reporter James_inthe_box
Tags:AgentTesla exe

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:Oct 20 00:17:09 2020 GMT
Valid to:Oct 20 00:17:09 2021 GMT
Serial number: C193B8FF6E7E9586DECA3642715996B1
Thumbprint Algorithm:SHA256
Thumbprint: 9DC2DEEA2FAE8B59AA663336DF57FAC77EC9DE5C61F3DB40E39F99ED263E1033
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a window
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Sending a TCP request to an infection source
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Connects to a pastebin service (likely for C&C)
Contains functionality to hide a thread from the debugger
Found malware configuration
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
May check the online IP address of the machine
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-20 00:55:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
90c99275bfea4f4084d07b4a0a044f81e6c9fbe19fba688a7fe8a0be46004acf
MD5 hash:
d34788ab65c5e3739d14c96d9ccd6f31
SHA1 hash:
d77cc7353437f7f4a4b09cad177a69999b93953d
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments