MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdf1b1e0b2fe652c830aef407b71b779bd753f74addef636944c0224c12dacf4. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fdf1b1e0b2fe652c830aef407b71b779bd753f74addef636944c0224c12dacf4
SHA3-384 hash: 43e205be3c9b6f15d312cec923475cb8b671b756cad50e65740a4b863cf7a6a72cd2801db606d952b6b2e402110191b1
SHA1 hash: 21c15b26beb2b9942ee0b185e27093dba029b737
MD5 hash: cad67f9c2c10ee01313e8aa4665222ff
humanhash: hamper-twelve-december-florida
File name:DHL Arrival Notification AWB invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:779'264 bytes
First seen:2020-07-21 07:45:35 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 12288:2jD9fx7oqF/UEJoagGgxmaFZqcqhR1SYR3qACVEqxURCTj:2jD9ho9EcxhqcqhR1SYR3exURA
Threatray 10'661 similar samples on MalwareBazaar
TLSH C9F45A3D3A86A405C83D0AB280F455D16AB1B5473E11CB0F6DCA179CAF52BCF7F0666A
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.alvindoprt.ml
Sending IP: 173.82.208.104
From: DHL Express <info@alvindoprt.ml>
Subject: DHL Arrival Notification : AWB/invoice
Attachment: DHL Arrival Notification AWB invoice.iso (contains "DHL Arrival Notification AWB invoice.exe")

AgentTesla SMTP exfil server:
smtp.yandex.ru:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29844/
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/392818
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248699 Sample: DHL Arrival Notification  A... Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 Sigma detected: Capture Wi-Fi password 2->37 39 9 other signatures 2->39 8 DHL Arrival Notification  AWB invoice.exe 1 2->8         started        11 KsVAR.exe 1 2->11         started        14 KsVAR.exe 2->14         started        process3 file4 29 DHL Arrival Notifi...AWB invoice.exe.log, ASCII 8->29 dropped 16 DHL Arrival Notification  AWB invoice.exe 2 14 8->16         started        49 Antivirus detection for dropped file 11->49 51 Multi AV Scanner detection for dropped file 11->51 53 Machine Learning detection for dropped file 11->53 signatures5 process6 dnsIp7 31 smtp.yandex.ru 77.88.21.158, 49737, 49739, 587 YANDEXRU Russian Federation 16->31 25 C:\Users\user\AppData\Roaming\...\KsVAR.exe, PE32 16->25 dropped 27 C:\Users\user\...\KsVAR.exe:Zone.Identifier, ASCII 16->27 dropped 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->41 43 Tries to steal Mail credentials (via file access) 16->43 45 Tries to harvest and steal ftp login credentials 16->45 47 3 other signatures 16->47 21 netsh.exe 3 16->21         started        file8 signatures9 process10 process11 23 conhost.exe 21->23         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fdf1b1e0b2fe652c830aef407b71b779bd753f74addef636944c0224c12dacf4/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 07:47:06 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xy3dyfs7zsszayk55ahw4nxpg6xkp3uvxppmnuujqbcjqjnvt2a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'651 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/200721-6vx3zd58sx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/fdf1b1e0b2fe652c830aef407b71b779bd753f74addef636944c0224c12dacf4

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 ca3a2c5c6a40cc515242dfd7e5499fecb3b3b558e98439b62b7a5e1b1ffbf449

AgentTesla

Executable exe fdf1b1e0b2fe652c830aef407b71b779bd753f74addef636944c0224c12dacf4

(this sample)

  
Dropped by
MD5 43f0a6e8e53ef6a946d4a7b1875a5c55
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29844/
  
Dropped by
SHA256 ca3a2c5c6a40cc515242dfd7e5499fecb3b3b558e98439b62b7a5e1b1ffbf449

Comments