MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4d89130c6dd4e07b70510bf0397f775abacf0b8f1cf5a01f2461a266bfdaaf3. 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: c4d89130c6dd4e07b70510bf0397f775abacf0b8f1cf5a01f2461a266bfdaaf3
SHA3-384 hash: ef9dd955a8b594fd5877d1017973eb8a52747a1410530f33c2df79fa016a125c9461111873efda4458ca6424d8bc5c6a
SHA1 hash: 5c16f574eea04a08651d891dd2610f8f192863d4
MD5 hash: daff433a563a3e9fa6b89b5a0a111d3c
humanhash: violet-asparagus-colorado-five
File name:vbc.exe
Download: download sample
Signature AgentTesla
File size:662'528 bytes
First seen:2020-11-10 16:48:03 UTC
Last seen:2024-07-24 21:15:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:xtJxvGSkvo85+5UehJrQBdjiCfse8Wi87oCLAEkbioDCdkveJwLKls3GR4TSt0/P:aSkQ803rwYCfz8WztLB
Threatray 1'151 similar samples on MalwareBazaar
TLSH 97E4CF29224C6F66F27C037AD0445225ABF8D863C737E99A7CE5B5D91680FE1B33520E
Reporter stoerchl
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
3
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 313286 Sample: vbc.exe Startdate: 10/11/2020 Architecture: WINDOWS Score: 100 28 cdn.onenote.net 2->28 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Found malware configuration 2->36 38 Multi AV Scanner detection for dropped file 2->38 40 8 other signatures 2->40 8 vbc.exe 7 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\...\yQcIRFaXvGzRTp.exe, PE32 8->20 dropped 22 C:\...\yQcIRFaXvGzRTp.exe:Zone.Identifier, ASCII 8->22 dropped 24 C:\Users\user\AppData\Local\...\tmp43FC.tmp, XML 8->24 dropped 26 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 8->26 dropped 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->44 46 Injects a PE file into a foreign processes 8->46 12 vbc.exe 2 8->12         started        16 schtasks.exe 1 8->16         started        signatures6 process7 dnsIp8 30 smtp.epazote-lu.com 12->30 32 us2.smtp.mailhostbox.com 208.91.198.143, 49738, 587 PUBLIC-DOMAIN-REGISTRYUS United States 12->32 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Tries to steal Mail credentials (via file access) 12->50 52 Tries to harvest and steal ftp login credentials 12->52 54 Tries to harvest and steal browser information (history, passwords, etc) 12->54 18 conhost.exe 16->18         started        signatures9 process10
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2020-11-10 16:53:08 UTC
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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.

Web download

AgentTesla

Executable exe c4d89130c6dd4e07b70510bf0397f775abacf0b8f1cf5a01f2461a266bfdaaf3

(this sample)

  
Delivery method
Distributed via web download

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