MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77c230a9358b5eab503e85544b50cf09c34ee58eeee7fa2479d6739be8f4119f. 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: 77c230a9358b5eab503e85544b50cf09c34ee58eeee7fa2479d6739be8f4119f
SHA3-384 hash: 18ed6e9547840509de256cbce9006fa5f9ce6deba256b8dcc34dc46aa7b45e225df8702fe666c787ac223761134a8b19
SHA1 hash: 873dde4a2018605fc650d822947720a09526b7b3
MD5 hash: 344aaa87ec8c376bf0ec56962fe01671
humanhash: island-illinois-delaware-stream
File name:SO.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:501'760 bytes
First seen:2020-07-06 08:12:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:9J7SdveD6sO3dLuoCcmGgOoKrGzpM21lO+ZCyG0vWBDOml6Pu3PG7i+n3HAApBzL:HudqaNLu1Oczpxoye8W3ePn3VkK
Threatray 10'651 similar samples on MalwareBazaar
TLSH 59B4F1B20241BEDAF37D4D74C18413400EF55C2BEBB0C589BEC834DA51B6B649ABDA76
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ngay24.com.localdomain
Sending IP: 117.121.213.107
From: Groupe SEB <trudie@rizzy.us>
Subject: SO
Attachment: SO.exe

AgentTesla SMTP exfil server:
smtp.yandex.com: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/21338/
Detection(s):
SecuriteInfo.com.Generic-EXE.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
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/77c230a9358b5eab503e85544b50cf09c34ee58eeee7fa2479d6739be8f4119f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-06 05:25:09 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=o7bdbkjvrnpkwub6qvkewugpbhbu5zmo53t7ujdz2zzzx2hucgpq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'641 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200706-4cfva3a6tj/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
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
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

Executable exe 77c230a9358b5eab503e85544b50cf09c34ee58eeee7fa2479d6739be8f4119f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/21338/

Comments