MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a3fc0ffea1a9965b5be96c79e0b615998153f9ee495f600a22cd0d2262e9206. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a3fc0ffea1a9965b5be96c79e0b615998153f9ee495f600a22cd0d2262e9206
SHA3-384 hash: 8bb7442c41e44f970a4dabc017969074d68ae644e0446326054fcd18889d571c98cfec26929ef15ab9567de943c1fd4a
SHA1 hash: 9593b9790bef481bf63efd813eddc1dafc45b7ca
MD5 hash: 816059825966c1032ce1cb65cfe863d4
humanhash: music-winter-papa-bacon
File name:Invoice,pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:799'232 bytes
First seen:2020-07-20 09:14:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:L7MfUaGWFL+rwAaVPxP0aKJaM18jOPBe2UQ:k8TU7AaVPxMZJaM18jO/
Threatray 10'685 similar samples on MalwareBazaar
TLSH FF052A383A814515D93F2976D8ACD98032B17E8F2B11C71E3AC72F5DAE0339B660765E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.idecedow.com
Sending IP: 45.95.169.193
From: Odessa Selene <sales@astam-valve.com>
Subject: Invoice
Attachment: Invoice,pdf.iso (contains "Invoice,pdf.exe")

AgentTesla SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/28862/
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/391198
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 247965 Sample: Invoice,pdf.exe Startdate: 20/07/2020 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AgentTesla 2->43 45 4 other signatures 2->45 7 Invoice,pdf.exe 5 2->7         started        10 pcalua.exe 1 2->10         started        12 pcalua.exe 1 1 2->12         started        process3 file4 29 C:\Users\user\AppData\Roaming\hgtj.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 7->31 dropped 33 C:\Users\user\...\hgtj.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\...\Invoice,pdf.exe.log, ASCII 7->35 dropped 14 hgtj.exe 7->14         started        16 cmd.exe 1 7->16         started        18 hgtj.exe 1 10->18         started        process5 signatures6 21 AddInProcess32.exe 3 14->21         started        25 reg.exe 1 1 16->25         started        27 conhost.exe 16->27         started        47 Multi AV Scanner detection for dropped file 18->47 49 Machine Learning detection for dropped file 18->49 process7 dnsIp8 37 mail.privateemail.com 198.54.122.60, 49716, 587 NAMECHEAP-NETUS United States 21->37 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->51 53 Tries to steal Mail credentials (via file access) 21->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 21->55 59 2 other signatures 21->59 57 Creates an autostart registry key pointing to binary in C:\Windows 25->57 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9a3fc0ffea1a9965b5be96c79e0b615998153f9ee495f600a22cd0d2262e9206/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 09:16:08 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ti74b77kdkmwlnn6s3dz4c3blgmbkp464sk7mafcftinejrosida._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'675 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200720-f7mq9kgasj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Loads dropped DLL
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Executes dropped EXE
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9a3fc0ffea1a9965b5be96c79e0b615998153f9ee495f600a22cd0d2262e9206

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

iso 70d6e4f3eb39271d1e03aa13c5a8d0f0910331c72eb8f08f3e574cf659a36b3f

AgentTesla

Executable exe 9a3fc0ffea1a9965b5be96c79e0b615998153f9ee495f600a22cd0d2262e9206

(this sample)

  
Dropped by
MD5 66c3a27737205056ba2df52e965a062b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/28862/
  
Dropped by
SHA256 70d6e4f3eb39271d1e03aa13c5a8d0f0910331c72eb8f08f3e574cf659a36b3f

Comments