MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef261cab960c0d90f77d39e3b5405aec8e2ff2bf220f1ebe594807f3fa5cd6fb. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef261cab960c0d90f77d39e3b5405aec8e2ff2bf220f1ebe594807f3fa5cd6fb
SHA3-384 hash: cb610ea3c3a211e0fbf037bc81d0439e399753df3d0cffc7f95ad2116fbf13c2c82239bbc9d2a2c41d987ac5d625a0ca
SHA1 hash: 2365b35acc01315bca240836c4ee36a08ef8f9ee
MD5 hash: f746f7c32bf463baea76dddbec5a7928
humanhash: lima-beer-idaho-jupiter
File name:Swift Advice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:221'184 bytes
First seen:2020-10-13 12:38:28 UTC
Last seen:2020-10-13 14:21:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:d9W0yWM0S9qMOSa5SfkJvUg9qQiJUzS/Ra7K8hKTS0bn94uewKyCI585gtDcOTw:dcBOz9UKoU5m/GEZv5mkD
Threatray 507 similar samples on MalwareBazaar
TLSH 55242A166714D551CB6F417FC01A821831F1D707A72AD2CF5AA6D8FA2F812CEF92B8E4
Reporter cocaman
Tags:AgentTesla exe SWIFT


Avatar
cocaman
Malicious email (T1566.001)
From: "HSBC VIETNAM <jerasld@mabong.co.kr>"
Received: "from server.devbox12.com (unknown [162.249.2.44]) "
Date: "Tue, 13 Oct 2020 08:33:22 -0400"
Subject: "=?UTF-8?Q?INWARD_SWIFT_copy_for_your_transaction_submitted_to_us?=
=?UTF-8?Q?_-_Ref_No_=E2=80=93_001BM52201530017?="
Attachment: "Swift Advice(1).exe"

Intelligence

File Origin
# of uploads :
3
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/70459/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.9121.16897.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/489680
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef261cab960c0d90f77d39e3b5405aec8e2ff2bf220f1ebe594807f3fa5cd6fb/
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Create hunting rule
Status:
Malicious
First seen:
2020-10-13 11:48:22 UTC
File Type:
PE (.Net Exe)
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=54tbzk4wbqgzb535hhr3kqc25shc74v7eihr5pszjad7h6s4235q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
264ad4ce9b883fe3ff074ec43f796c1a496da7647bad4bd70c3c905b2dc22711
AgentTesla
3d281e94d3e3d6dc20818716a5b45e09803a5e8cace71615d950d086b563cc40
AgentTesla
44c8acbbe1fdbcab7397c03bc91d5d3f440ec11f6358974e4bcc27ee28a4b838
AgentTesla
6f0c4fde6a68ef453982bb4958cb5d571cf45179b2bc623fa4cc9a8f69f85823
AgentTesla
757d376a5edc5d260ab3fb209797dbbdf3ce43f6331432174b1398f14e723e20
AgentTesla
aa996e1467f78b4965e61fc6ad87982814a0d1f10260593e63216af6e15a69f4
AgentTesla
bd5f6e5567639e5e1c4619a02ff2db2eb3242cd6e25e50f7b7559202fc7f061c
AgentTesla
bf993f6195527053ecdbb6c83a6ddd94528d867b26e04cdebbbcb6f3bfd813c8
AgentTesla
db539ae936d63a0f8340157cd6af07c6f3fd14b354799db61967679095d78576
AgentTesla
f4468ef3eb4ae6445b097b0200d918ae0e1bba94b8c4c613031e2aab32c9f083
AgentTesla
+ 497 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/201013-r48b6y9gda/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
ef261cab960c0d90f77d39e3b5405aec8e2ff2bf220f1ebe594807f3fa5cd6fb
MD5 hash:
f746f7c32bf463baea76dddbec5a7928
SHA1 hash:
2365b35acc01315bca240836c4ee36a08ef8f9ee
Link:
https://www.unpac.me/results/d03b6889-13b3-4d28-af4f-0b445c1108ad/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ef261cab960c0d90f77d39e3b5405aec8e2ff2bf220f1ebe594807f3fa5cd6fb

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe ef261cab960c0d90f77d39e3b5405aec8e2ff2bf220f1ebe594807f3fa5cd6fb

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
AgentTesla
Cape
Cape
https://www.capesandbox.com/analysis/70459/

Comments