MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18b361d4c6546def2b2023997b8b0f425f8c1f4f393b94550abebdf69dc2f6e2. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 18b361d4c6546def2b2023997b8b0f425f8c1f4f393b94550abebdf69dc2f6e2
SHA3-384 hash: 5f5f4b228d4f15617deb961415eca2d36dc9581b141de4ca8dc7df96e5bb48cdee5d7a4eaf76251eb2396cf83e0cfc00
SHA1 hash: 751dd6556f671dabfdf8b7fda5daab96a3a16920
MD5 hash: ded1d44f70925d107b0ab583099b5ab8
humanhash: autumn-aspen-equal-purple
File name:AWB Number & Tracking.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:525'312 bytes
First seen:2020-08-17 06:35:31 UTC
Last seen:2020-08-17 08:27:56 UTC
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:vFS4EcmZHAFaxmVmie9bngPgtIMAmWsLbKmbrg+ljvMJX9YDF6/toiKdw3:vFS4EcmZHAFaxmVmie9bngPg0UrFMJX6
Threatray 108 similar samples on MalwareBazaar
TLSH 41B49C4A38D0E39ED5E54FB958109C1677FA2F2A02169A0FCC7B39E263D9BC1BD30456
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hshgroups.co
Sending IP: 104.168.166.26
From: DHL EXPRESS SERVICE<dhlexpress@dhl.com>
Subject: DHL international express shipping, AWB number and parcel tracking-205*****7208
Attachment: AWB Number Tracking.rar (contains "AWB Number & Tracking.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/46693/
Detection(s):
SecuriteInfo.com.ArtemisDED1D44F7092.4004.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/432642
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 268598 Sample: AWB Number & Tracking.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 68 Found malware configuration 2->68 70 Sigma detected: Scheduled temp file as task from temp location 2->70 72 Yara detected AgentTesla 2->72 74 8 other signatures 2->74 7 ElPvJVq.exe 5 2->7         started        10 AWB Number & Tracking.exe 7 2->10         started        13 ElPvJVq.exe 2->13         started        process3 file4 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->76 78 Machine Learning detection for dropped file 7->78 80 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->80 82 Found evasive API chain (trying to detect sleep duration tampering with parallel thread) 7->82 15 ElPvJVq.exe 4 7->15         started        19 schtasks.exe 1 7->19         started        40 C:\Users\user\AppData\Roaming\iQnkksEz.exe, PE32 10->40 dropped 42 C:\Users\...\iQnkksEz.exe:Zone.Identifier, ASCII 10->42 dropped 44 C:\Users\user\AppData\Local\...\tmpCFD4.tmp, XML 10->44 dropped 46 C:\Users\...\AWB Number & Tracking.exe.log, ASCII 10->46 dropped 84 Injects a PE file into a foreign processes 10->84 21 AWB Number & Tracking.exe 2 7 10->21         started        24 schtasks.exe 1 10->24         started        26 schtasks.exe 13->26         started        28 ElPvJVq.exe 13->28         started        signatures5 process6 dnsIp7 48 smtp.yandex.com 15->48 54 Tries to harvest and steal ftp login credentials 15->54 56 Tries to harvest and steal browser information (history, passwords, etc) 15->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->58 30 conhost.exe 19->30         started        50 smtp.yandex.ru 77.88.21.158, 49734, 49736, 587 YANDEXRU Russian Federation 21->50 52 smtp.yandex.com 21->52 36 C:\Users\user\AppData\Roaming\...lPvJVq.exe, PE32 21->36 dropped 38 C:\Users\user\...lPvJVq.exe:Zone.Identifier, ASCII 21->38 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->60 62 Moves itself to temp directory 21->62 64 Tries to steal Mail credentials (via file access) 21->64 66 Installs a global keyboard hook 21->66 32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/18b361d4c6546def2b2023997b8b0f425f8c1f4f393b94550abebdf69dc2f6e2/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 01:39:20 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dczwdvggkrw66kzaeomxxcypijpyyh2phe5zivikx267nhoc63ra._file
Verdict:
unknown
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AgentTesla
+ 98 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200817-qv7s2qj4x6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key 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 Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/18b361d4c6546def2b2023997b8b0f425f8c1f4f393b94550abebdf69dc2f6e2

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

rar de582ac17cc6c395830dbc1089326aa15c63c14775a367f5c4a67306718b7c76

AgentTesla

Executable exe 18b361d4c6546def2b2023997b8b0f425f8c1f4f393b94550abebdf69dc2f6e2

(this sample)

  
Dropped by
MD5 9e9dc8a155571a451efb2d19d5d5a8e1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/46693/
  
Dropped by
SHA256 de582ac17cc6c395830dbc1089326aa15c63c14775a367f5c4a67306718b7c76

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