MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33f3c581f4bc6cb4c7e6b63a6857220ab404020f188650f11bf0ec55e96877a4. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33f3c581f4bc6cb4c7e6b63a6857220ab404020f188650f11bf0ec55e96877a4
SHA3-384 hash: dee2f96bbaad294d6ba99f1a20d0f24a4206eb47d3bbe84c911ebeff9b51afb305f771dcc55cbcd806e9f744b401b181
SHA1 hash: 2c3640bf5db61faddec1cf6b1c478fdf7a537b29
MD5 hash: 4a8543e1f72c62652c16e18368c1f7b6
humanhash: berlin-robert-mango-ack
File name:Ultra Authorization doc. 30032020.pdf.scr
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'632'256 bytes
First seen:2020-05-28 11:42:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:7tb20pkaCqT5TBWgNQ7auVFgm+7ATBuzvgtFwDELHhL1loYByfDNk6A:4Vg5tQ7auV2DATBK1KH/lPMf25
Threatray 10'893 similar samples on MalwareBazaar
TLSH 4B75DF13239D8264C3BE51737A15B3016EBBFC2535A5FCBB2F94D93CA9201215E0A66F
Reporter abuse_ch
Tags:AgentTesla scr


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: cpns3.citechco.net
Sending IP: 203.191.33.193
From: Andrew Yang crystal <crystal_ong@sungreen-asia.com>
Subject: FW: Swift Payment Copy - Incorrect Bank Details provided
Attachment: Ultra Authorization doc. 30032020.pdf.iso (contains "Ultra Authorization doc. 30032020.pdf.scr")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27686.AidExe.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Injector
Create hunting rule
Status:
Malicious
First seen:
2020-05-28 12:36:33 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
23 of 31 (74.19%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
163ad84d7db148a5673e87d8134a699577c55518b6313a8ab81dc61fe0ca6eef
AgentTesla
2e7f95b47bc6f8c733ecdb9895e810a8378d9a908bde0f990f1631aa86e68cc3
AgentTesla
6da4c787f75924dda27aa42f862d924d4e3a34e87c8fe966ae9adcc9d2ad15ef
AgentTesla
806f31221f182e4a97f68f267894aa671f18f5a8a112bf70ec1f64fd078b8000
AgentTesla
8ad69f7487e5a7b06d3c9b12d4fdbf6604462f90ddc2e1986dd61eaf8427e724
AgentTesla
9d7bf4dc88db19c1e81c020478be9a2130cb3420790fa8ae027127f2cfde14e4
AgentTesla
cb24e2e7014a78b78d72b0a439d185ff26808de20b16676f6df0e71fe14a2239
AgentTesla
ea12e8397d1e8afb620094bdb30d803b2f667b15fc8e415c94b8c6c3c6c403f4
AgentTesla
f5c0ac859b78587a20820b4d82fd040ce73e9d725abc55113b1adc6df0968d82
AgentTesla
f7874f0fbf38ca0f147b393300b4349e00a35f84bee132f856e2d08a60ee8e89
AgentTesla
+ 10'883 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/201109-29f7r4aaqn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
ServiceHost packer
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: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 e74845060e571f036fb575fbcfa279bff947e46511b73c938ffeed0c7b5241a3

AgentTesla

Executable exe 33f3c581f4bc6cb4c7e6b63a6857220ab404020f188650f11bf0ec55e96877a4

(this sample)

  
Dropped by
MD5 3949c1b2d06085825cb773d5ee1bb8b0
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e74845060e571f036fb575fbcfa279bff947e46511b73c938ffeed0c7b5241a3

Comments