MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5a881a192dcbc6434585a8a1fa4745488f092b9713945def86fe6c2a87de5fd. 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


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: e5a881a192dcbc6434585a8a1fa4745488f092b9713945def86fe6c2a87de5fd
SHA3-384 hash: 531feefa7e47e0e8a17b83706a64c0c0a536d4dafee5dc4747b823f7d2afa802b312a3f791088b7ec55c4c391a20f63e
SHA1 hash: 43ddf92cd33fba84a114135a5f2f512f1166728f
MD5 hash: dd4546681a2dc4bd41b0529a5c9f930f
humanhash: xray-coffee-magnesium-low
File name:e5a881a192dcbc6434585a8a1fa4745488f092b9713945def86fe6c2a87de5fd
Download: download sample
Signature AgentTesla
File size:1'060'352 bytes
First seen:2020-09-11 08:50:30 UTC
Last seen:2020-09-11 09:40:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fa12a0dd3b05a4b28db7dd32db315623 (2 x AgentTesla)
ssdeep 24576:8+M3l293IwqFppchx7eoQt0cgD9xEMza8Ks:8+8+IQhx7eoQJgDrJaZs
Threatray 9'398 similar samples on MalwareBazaar
TLSH E9357C17B2AC4B3EC16316386D3B5274893ABF132E246A453BE7DDCC0E7928528752D7
Reporter madjack_red
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
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)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 284398 Sample: 89bEWuOVg1 Startdate: 11/09/2020 Architecture: WINDOWS Score: 100 30 Multi AV Scanner detection for domain / URL 2->30 32 Found malware configuration 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 5 other signatures 2->36 6 89bEWuOVg1.exe 2->6         started        9 wscript.exe 1 2->9         started        process3 signatures4 38 Detected unpacking (changes PE section rights) 6->38 40 Detected unpacking (creates a PE file in dynamic memory) 6->40 42 Detected unpacking (overwrites its own PE header) 6->42 44 7 other signatures 6->44 11 89bEWuOVg1.exe 4 6->11         started        15 notepad.exe 1 6->15         started        18 89bEWuOVg1.exe 6->18         started        20 89bEWuOVg1.exe 9->20         started        process5 dnsIp6 24 hybridgroupco.com 66.70.204.222, 49739, 587 OVHFR Canada 11->24 26 mail.hybridgroupco.com 11->26 28 192.168.2.1 unknown unknown 11->28 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->46 48 Tries to steal Mail credentials (via file access) 11->48 50 Tries to harvest and steal ftp login credentials 11->50 52 Tries to harvest and steal browser information (history, passwords, etc) 11->52 22 C:\Users\user\AppData\Roaming\...\APP.vbs, ASCII 15->22 dropped 54 Drops VBS files to the startup folder 15->54 56 Delayed program exit found 15->56 file7 signatures8
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2020-09-10 23:22:57 UTC
AV detection:
43 of 48 (89.58%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
UPX packed file
AgentTesla Payload
AgentTesla
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: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.

Comments