MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdc677aa3058f9a262cb3c70cff1aa6acf627c9722385ab999813f01af0888c0. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fdc677aa3058f9a262cb3c70cff1aa6acf627c9722385ab999813f01af0888c0
SHA3-384 hash: 8a64eebe8a5f5bfd18206b3a7f1e7c66a03540bf9287cc66f0fa17d46febbb9b3aeda039ebcf562f9ff5516b03486f42
SHA1 hash: ea5be757e11dfee9b00a7396fac8ec4eec49d2c6
MD5 hash: b4c49c545d8aded937b593a504e37b9c
humanhash: stream-bulldog-salami-sixteen
File name:Reversed Invoice pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:453'632 bytes
First seen:2020-06-26 06:55:41 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:KOXvbMeifflfkWdkKkVHsTktf952YJfDI:K+vbM/XlkWiKxTS5NI
Threatray 10'589 similar samples on MalwareBazaar
TLSH 4EA4E04462AC8B07EC7C47F9F420721A437A715125A2E2550FDE61EB7E6FB8387062E3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.eldorado.com.uy
Sending IP: 190.64.204.54
From: Rina Rhaack <rhaack@eldorado.com.uy>
Subject: RE:Reversed Invoice
Attachment: Reversed Invoice pdf.arj (contains "Reversed Invoice pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/14642/
Detection(s):
SecuriteInfo.com.Generic.mg.f75bcb16ae21df7e.11718.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Launching the process to change network settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fdc677aa3058f9a262cb3c70cff1aa6acf627c9722385ab999813f01af0888c0/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-26 06:57:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xdhpkrqld42eywlhrym74nknlhwe7exei4fvomzqe7qdlyirdaa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'579 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence keylogger trojan stealer spyware family:agenttesla
Link:
https://tria.ge/reports/200626-e17j5xagan/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Modifies service
Adds Run entry to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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

arj 9267e51e36d492cf7941db4c5d320168818da036358ac7039be8f16809244f78

AgentTesla

Executable exe fdc677aa3058f9a262cb3c70cff1aa6acf627c9722385ab999813f01af0888c0

(this sample)

  
Dropped by
MD5 7624e8e2cf9543c37627aceee8b7f88f
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/14642/
  
Dropped by
SHA256 9267e51e36d492cf7941db4c5d320168818da036358ac7039be8f16809244f78

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