MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4313f640332e2dc722524a6f469179212eef3e5cf9680c7451a0bfea0ee4a563. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4313f640332e2dc722524a6f469179212eef3e5cf9680c7451a0bfea0ee4a563
SHA3-384 hash: af6234b9cd5cec1b05b9ce1e2d2de7e7023dd7731873de271e67e3792a2fef03e921fc3220bd6a0d8d2c6e8bc326b0cf
SHA1 hash: fb93ab42da21853ce966a775f6542d6ef7556d80
MD5 hash: 7a97ca8945edb0d04b17d48318ed4f08
humanhash: bakerloo-ten-florida-mexico
File name:FN019tY2021 Proforma Invoice New Items Stock Shipments+Payment Terms & ETA.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'058'304 bytes
First seen:2021-05-24 16:13:20 UTC
Last seen:2021-05-24 17:04:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:TskTnc9tsfxxE8t7qDOnruHUbYSO0u+tmqdyA:q9SxN7qD6OOOb+IEyA
Threatray 5'131 similar samples on MalwareBazaar
TLSH F1357BAC2259E121D06EC27845F69527F522D33FA831AD18ACD36F4E3F26F81785216F
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FN019tY2021 Proforma Invoice New Items Stock Shipments+Payment Terms & ETA.exe
Verdict:
Malicious activity
Analysis date:
2021-05-24 16:42:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/05c94bae-9be9-4f99-9249-1d4f30f1acea

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
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/790604
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Contains functionality to log keystrokes (.Net Source)
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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 AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 423003 Sample: FN019tY2021 Proforma Invoic... Startdate: 24/05/2021 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->37 39 13 other signatures 2->39 7 FN019tY2021 Proforma Invoice New Items Stock Shipments+Payment Terms & ETA.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\...\OguhaydfTSDh.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\Temp\tmp185.tmp, XML 7->23 dropped 25 FN019tY2021 Profor...Terms & ETA.exe.log, ASCII 7->25 dropped 41 Injects a PE file into a foreign processes 7->41 11 FN019tY2021 Proforma Invoice New Items Stock Shipments+Payment Terms & ETA.exe 4 7->11         started        15 schtasks.exe 1 7->15         started        17 FN019tY2021 Proforma Invoice New Items Stock Shipments+Payment Terms & ETA.exe 7->17         started        signatures5 process6 dnsIp7 27 sparepart.com.tr 62.4.15.95, 49736, 587 OnlineSASFR France 11->27 29 mail.sparepart.com.tr 11->29 31 192.168.2.1 unknown unknown 11->31 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 2 other signatures 11->49 19 conhost.exe 15->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4313f640332e2dc722524a6f469179212eef3e5cf9680c7451a0bfea0ee4a563/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-05-24 11:20:41 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=imj7mqbtfyw4oissjjxunelzeexo6ps47fuay5cruc76udxeuvrq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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489c52cbc804d3b879ea5a000d0947abab28ad2d01cc532decd9686042ff83e2
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77ba3f530e9151875120dd9bd74926ce467d38dad3508e396b3ce7178c7f2e89
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78e54396bee24a0ea8f6e6a84235e21893b8ecfd5533462dd7b8e98abf7b17a8
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803126926bff556f5652673bf589cecac231e843ea4d7f5f1d2b625282addff4
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8e0c15193230aaf062e9961323dbee752ea40383013b6533796bb162edf1e3cb
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adc50d637d48a25c809ee9e8ee791830d978d45f6cf781b917b8d88788363311
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d69273b03a77f48d73a63e9e77348c08d46ff973a69a84fbd8b5fee7de2198a3
AgentTesla
+ 5'121 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210524-cz6v8krxrx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4313f640332e2dc722524a6f469179212eef3e5cf9680c7451a0bfea0ee4a563

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Comments