MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf4d80e2514ae5284dcb0db44946adc67640f8a005049951ee46a03f80c1d3b5. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
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SHA256 hash: bf4d80e2514ae5284dcb0db44946adc67640f8a005049951ee46a03f80c1d3b5
SHA3-384 hash: df9f2f2de4443bce6b652c88ac4c080dfba8cd46fe9aa5552e343471cbf5d82f29c57b2857263a669b7d0b7132599208
SHA1 hash: d69c6b3b68ab49a6f30f67ffc02917cb6a0b404e
MD5 hash: 034fa582e0bb2881e2e743bec6c1c8e2
humanhash: fish-hawaii-oregon-bacon
File name:Vlwfp8765456789.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:13'312 bytes
First seen:2022-03-21 07:06:06 UTC
Last seen:2022-03-21 07:06:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 192:Fbd47z9ugRunU/MbAsKPVPwO92fiiLX2HS9yxSyrsRt8G3mSF6zgtMG3:FefunyMhfkYiiay9ycyrsR2vZstMG
Threatray 15'836 similar samples on MalwareBazaar
TLSH T161522AA86FA8C5F0DC661ABA6CB757101638B612E859DF1F71C9720B6D1320145B2B3B
File icon (PE):PE icon
dhash icon 64f4d4d4ecf4d4d4 (82 x SnakeKeylogger, 34 x AgentTesla, 24 x Formbook)
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
2
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/253313/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a window
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62382418b94fb38cb4c0d517/reports/cede2b18-1021-430d-b2af-9f5a303907dc/overview
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/36537edf-ba19-4505-9958-6049fdb78c14
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/960458
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 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 / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 592936 Sample: Vlwfp8765456789.exe Startdate: 21/03/2022 Architecture: WINDOWS Score: 100 28 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->28 30 Found malware configuration 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 8 other signatures 2->34 7 Vlwfp8765456789.exe 15 4 2->7         started        process3 dnsIp4 24 cdn.discordapp.com 162.159.130.233, 443, 49718 CLOUDFLARENETUS United States 7->24 22 C:\Users\user\...\Vlwfp8765456789.exe.log, ASCII 7->22 dropped 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->36 38 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->38 40 Injects a PE file into a foreign processes 7->40 12 Vlwfp8765456789.exe 2 7->12         started        16 cmd.exe 1 7->16         started        file5 signatures6 process7 dnsIp8 26 smtp.ionos.mx 74.208.5.8, 49724, 587 ONEANDONE-ASBrauerstrasse48DE United States 12->26 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->42 44 Tries to steal Mail credentials (via file / registry access) 12->44 46 Tries to harvest and steal ftp login credentials 12->46 48 Tries to harvest and steal browser information (history, passwords, etc) 12->48 18 conhost.exe 16->18         started        20 timeout.exe 1 16->20         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf4d80e2514ae5284dcb0db44946adc67640f8a005049951ee46a03f80c1d3b5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-21 06:02:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x5gybysrjlssqtolbw2esrvnyz3eb6faaucjsupoi2qd7agb2o2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0a7682c0607e0fcb3580d28aec0e3439d6eae0cde1ab3359832046f7f33cdb0f
AgentTesla
59120af2ca9c8bc1176a4dc543135c7f0629682d73cb086c97117befa7003388
AgentTesla
76bfbb524e921f7639ecbb2c7d40e072d5b45aa4b8521a45d82d85f96743afeb
AgentTesla
8e084a9927786a2339ed41e3c1b416d763e72fa052e62760ead5c2d15e1db278
AgentTesla
ad8da7f38644aa54c0983c703436a872daecd353e1470e831aa209e0b37f837e
AgentTesla
eeb0c6a760a7c9d17c02dbacf4f4715917caf3d111209ce29b67b366dc8b9dd9
AgentTesla
f9f4d689041831c04362ffb100ec231fe3872fee2be00d14454d45df739cd406
AgentTesla
+ 15'826 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220321-hxm4nahhf4/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
bf4d80e2514ae5284dcb0db44946adc67640f8a005049951ee46a03f80c1d3b5
MD5 hash:
034fa582e0bb2881e2e743bec6c1c8e2
SHA1 hash:
d69c6b3b68ab49a6f30f67ffc02917cb6a0b404e
Link:
https://www.unpac.me/results/06fd440a-3c66-44ce-87ca-cf468415609c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bf4d80e2514a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/bf4d80e2514ae5284dcb0db44946adc67640f8a005049951ee46a03f80c1d3b5

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

AgentTesla

zip a1b314c2bffba860a728261b057cfca79035882cded006f28a95b0de01fdf23e

AgentTesla

Executable exe bf4d80e2514ae5284dcb0db44946adc67640f8a005049951ee46a03f80c1d3b5

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 a1b314c2bffba860a728261b057cfca79035882cded006f28a95b0de01fdf23e
Cape
Cape
https://www.capesandbox.com/analysis/253313/

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