MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18907aad4da3ed933bd68340346b21e23b3e0b5df978f01a99c195737f09db99. 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: 18907aad4da3ed933bd68340346b21e23b3e0b5df978f01a99c195737f09db99
SHA3-384 hash: 0fbea041c8021890461986337cc90312d8ad71b5e6a7dbb368c992b7dc8c53b04131243cbcf73b82f6371c98182046cc
SHA1 hash: 10cc14ab3cefd6175dab97c2f8d5bc2a8a88b02b
MD5 hash: 6afdf426be2106f66c8ad0dd5295a94a
humanhash: south-potato-east-mike
File name:Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:438'784 bytes
First seen:2020-06-26 07:05:54 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 6144:LPmv5OfF2KgjPHHlPdltH+CJiLmNiuJIX3g6xenOIGOCIKmdeYOpRltSGQFjtQW:L+v5MLgHhtgmguOn54neO3wnltSvFjJ
Threatray 10'672 similar samples on MalwareBazaar
TLSH BC94E000735CD627DC7907FEF821665843BA715625A2E6091FCA20EB7D6BBC74702AE3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: desatrade.com
Sending IP: 103.99.1.145
From: Giacomo - DESA S.R.L.<giacomo@desatrade.com>
Subject: invoice
Attachment: Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....zip (contains "Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/14662/
Detection(s):
SecuriteInfo.com.FileRepMalware.21253.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Launching the process to change network settings
Blocking a possibility to launch for the Windows Task Manager (taskmgr)
Enabling autorun with Startup directory
Unauthorized injection to a system process
Changing the hosts file
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/18907aad4da3ed933bd68340346b21e23b3e0b5df978f01a99c195737f09db99/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-26 00:49:38 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dcihvlknupwzgo6wqnadi2zb4i5t4c257f4paguzygkxg7yj3omq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'662 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla evasion persistence
Link:
https://tria.ge/reports/200626-z9ebtlp6y6/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Modifies registry key
Suspicious use of AdjustPrivilegeToken
Modifies service
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Drops file in Drivers directory
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

zip 0248d76f25d67192768d6b3c9cc35202c8f567e0ce77012e24ad37e33c4faf37

AgentTesla

Executable exe 18907aad4da3ed933bd68340346b21e23b3e0b5df978f01a99c195737f09db99

(this sample)

  
Dropped by
MD5 498658b0fd4e26ce604d8057f3d22faa
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/14662/
  
Dropped by
SHA256 0248d76f25d67192768d6b3c9cc35202c8f567e0ce77012e24ad37e33c4faf37

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