MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 feb639dabb33ddc8d08dc3065a7a869225419d52be2aa0ec247377607a426ef3. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: feb639dabb33ddc8d08dc3065a7a869225419d52be2aa0ec247377607a426ef3
SHA3-384 hash: 6003fc22a009f0409cbc2f277dd78ae4554ae947b669083c6219ecbe9d65a57c486e05224416b904f0ac7ce66440a95a
SHA1 hash: 27c03e3a26f5c6cd3cbfd7e712201e7da6821348
MD5 hash: a3886e2c4e2b466c8b5c1f545ea3875b
humanhash: early-paris-kitten-uncle
File name:Your PO#3.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:796'672 bytes
First seen:2020-10-28 12:04:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash cd6c8cceda8b0e47cf64c5128fde3f69 (17 x Loki, 9 x NanoCore, 8 x AsyncRAT)
ssdeep 12288:RIKenPD03PxOFGbj8+jazgSNBfFSl2lnlCmAYcdd2PHxx6vIgUHXIgKam5G1Rv:RdqOxsk2r38ulhAYcddQ6vIg2XIgUG1V
TLSH A7058D2EA2A14C33DD633A39DC1B5764A836FE112D25798E2BE71C485F7964D3839383
Reporter cocaman
Tags:AgentTesla exe


Avatar
cocaman
Malicious email (T1566.001)
From: "=?UTF-8?B?5p2l6Ieq6I235YWw55qE6Zeu5YCZ?= <info@arcelite.com>"
Received: "from arcelite.com (unknown [45.137.22.56]) "
Date: "28 Oct 2020 04:51:38 -0700"
Subject: "Your PO#3"
Attachment: "Your PO#3.exe"

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80471/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.Artemis0194C548A530.28501.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/514996
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 dnsIp2 2 Behavior Graph ID: 306605 Sample: Your PO#3.exe Startdate: 28/10/2020 Architecture: WINDOWS Score: 100 31 nagano-19599.herokussl.com 2->31 33 mail.deltataxation.com.au 2->33 35 2 other IPs or domains 2->35 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 10 other signatures 2->51 7 NewApp.exe 2->7         started        10 Your PO#3.exe 2->10         started        12 NewApp.exe 2->12         started        signatures3 process4 signatures5 53 Multi AV Scanner detection for dropped file 7->53 55 Detected unpacking (changes PE section rights) 7->55 57 Detected unpacking (overwrites its own PE header) 7->57 61 4 other signatures 7->61 14 NewApp.exe 2 7->14         started        59 Maps a DLL or memory area into another process 10->59 16 Your PO#3.exe 17 9 10->16         started        21 NewApp.exe 2 12->21         started        process6 dnsIp7 25 mail.deltataxation.com.au 101.0.117.115, 49734, 49735, 49737 DIGITALPACIFIC-AUDigitalPacificPtyLtdAustraliaAU Australia 16->25 27 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.169.38, 443, 49733, 49736 AMAZON-AESUS United States 16->27 29 2 other IPs or domains 16->29 23 C:\Users\user\AppData\Roaming\...23ewApp.exe, PE32 16->23 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->37 39 Tries to steal Mail credentials (via file access) 16->39 41 Tries to harvest and steal ftp login credentials 16->41 43 2 other signatures 16->43 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/feb639dabb33ddc8d08dc3065a7a869225419d52be2aa0ec247377607a426ef3/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-10-28 12:06:05 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=723dtwv3gpo4ruenymdfu6ugsisudhksxyvkb3beon3wa6scn3zq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan upx
Link:
https://tria.ge/reports/201028-qq99a1g6ps/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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
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: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

Executable exe feb639dabb33ddc8d08dc3065a7a869225419d52be2aa0ec247377607a426ef3

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
AgentTesla
Cape
Cape
https://www.capesandbox.com/analysis/80471/

Comments