MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0339a4175d145fc5632f1bd2d8369892f0e7d5897940b55ec49cfffea72785e. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f0339a4175d145fc5632f1bd2d8369892f0e7d5897940b55ec49cfffea72785e
SHA3-384 hash: f11d69c65149ecf5de6d135bf7472b54445651be94f1d55fecf85796a0d021fd27a22278b8781eee0e843acc46ddb084
SHA1 hash: a7e782bfbd5aebad699fc6ab80d1ed891e23deed
MD5 hash: f54a93040168fa0dff672735c44a896e
humanhash: angel-iowa-happy-comet
File name:invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:303'104 bytes
First seen:2021-02-26 12:25:22 UTC
Last seen:2021-02-26 13:52:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:RZ9xoo/Uw6TqBBvLpepWgTAa6e9VsyAO4mPSJLqtNSXK5pcjwxvHVZ0y1UCgVdK:RZ9xoogOX1eAgTA/eeFCNSXox/f0ymC7
Threatray 2'871 similar samples on MalwareBazaar
TLSH 5F5412B377388877D092CA3D7CB20098B36F1203D9154D2BDBA07665AE9235BCB53D65
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: cloudhost-2418642.us-midwest-1.nxcli.net
Sending IP: 8.36.41.75
From: New Zealand Seafood Marketing <mail@63a675cc7f.nxcli.net>
Subject: Payment Sent T/T Receipt Attached - Overdue Invoices Payment
Attachment: invoice.img (contains "invoice.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-02-26 12:37:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d2459f46-e6ce-4a12-8e36-ba823b83619b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/119399/
Detection(s):
SecuriteInfo.com.Heur.MSIL.Krypt.2.7071.6576.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Sending a UDP request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/619632
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped 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 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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 358811 Sample: invoice.exe Startdate: 26/02/2021 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Yara detected AgentTesla 2->47 49 4 other signatures 2->49 6 invoice.exe 3 2->6         started        10 NewsApps.exe 3 2->10         started        12 NewsApps.exe 2 2->12         started        process3 file4 23 C:\Users\user\AppData\...\invoice.exe.log, ASCII 6->23 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->53 55 Injects a PE file into a foreign processes 6->55 14 invoice.exe 17 9 6->14         started        57 Antivirus detection for dropped file 10->57 59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 19 NewsApps.exe 2 10->19         started        21 NewsApps.exe 14 2 12->21         started        signatures5 process6 dnsIp7 29 192.168.2.1 unknown unknown 14->29 31 www.guerrilladefense.com 14->31 25 C:\Users\user\AppData\...25ewsApps.exe, PE32 14->25 dropped 27 C:\Users\...27ewsApps.exe:Zone.Identifier, ASCII 14->27 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file access) 14->37 39 Tries to harvest and steal ftp login credentials 14->39 41 3 other signatures 14->41 33 www.guerrilladefense.com 21->33 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f0339a4175d145fc5632f1bd2d8369892f0e7d5897940b55ec49cfffea72785e/
Threat name:
ByteCode-MSIL.Trojan.Cryptos
Create hunting rule
Status:
Malicious
First seen:
2021-02-26 12:26:12 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6azzuqlv2fc7yvrs6g6s3a3jrexq47kys6kawvpmjhh772tspbpa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
014b3137818fe9c6b66f870dfb5a2d59ea9e78ef414cb28dae5142e9eeb1736c
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b20c3245ef7cde5dc9429ef1bcef75cba906df8c09b28b29ac882f62135491a7
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dff521eb1bc7abe5eb779280c5d17c95310be7352ce5927c2173bf1d91a6ca97
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ecf592d2aed1d17b4c75e72a40edeb9b4396c8c9181cee7519ebe63bb7391870
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f04d5b287971f60d5f04b262f3714a790b7d7c9b591ab88faa1d1f5244792d09
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fb1c77156c32d3643f2b21550110a48c3bbf869d2f0aa099b7400646e1fcaeb5
AgentTesla
+ 2'861 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210226-dglz2bc3ya/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
79249aa5bbd5028a97e6ddeba838f28fbed685df0859e81a23a3115982383741
MD5 hash:
665e61923963c608df385c85b5108e9f
SHA1 hash:
b0ce1a1687780b29e251fcabeb356b939458f27c
Link:
https://www.unpac.me/results/6215f7fb-fdc0-4b50-b100-b3e2f9674fb0/
SH256 hash:
5026b4d5a20d9bd7f07f111adbfdcdffa3423e83a1f5a982c1c34ad610eaa678
MD5 hash:
51aed80bd9770c6cd1f8782f1e37eeaa
SHA1 hash:
9130e5240d562529ff74c9664fa906168a11012d
Link:
https://www.unpac.me/results/6215f7fb-fdc0-4b50-b100-b3e2f9674fb0/
SH256 hash:
f0339a4175d145fc5632f1bd2d8369892f0e7d5897940b55ec49cfffea72785e
MD5 hash:
f54a93040168fa0dff672735c44a896e
SHA1 hash:
a7e782bfbd5aebad699fc6ab80d1ed891e23deed
Link:
https://www.unpac.me/results/6215f7fb-fdc0-4b50-b100-b3e2f9674fb0/
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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
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.

Malspam

AgentTesla

img 15f1b8cf99a3841e61404ea917ce33153f28307c9b47b257ae0e7e29745776b7

AgentTesla

Executable exe f0339a4175d145fc5632f1bd2d8369892f0e7d5897940b55ec49cfffea72785e

(this sample)

  
Dropped by
MD5 847f6ffd446dbd8b0fcf2b53c6681470
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/119399/
  
Dropped by
SHA256 15f1b8cf99a3841e61404ea917ce33153f28307c9b47b257ae0e7e29745776b7

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