MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 283915d333318f5e8e7f30cdf8f8f96723da7af6ddab9c29c6f0b5a687157aa4. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 283915d333318f5e8e7f30cdf8f8f96723da7af6ddab9c29c6f0b5a687157aa4
SHA3-384 hash: d0aec2a6ae7325f6ef14b4bb9a623f4f93ea810da4a38a8ad23b4d6c0e2fe1b006874f714332bfa5c53857f271aa4f5f
SHA1 hash: 1cb465daf8e6a202356db86a9380e94e6cc1fa4d
MD5 hash: 9844048a2b7081d223139f100b0ff486
humanhash: alpha-montana-queen-jersey
File name:0603321WG_0_1 pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:30'816 bytes
First seen:2021-02-23 07:20:16 UTC
Last seen:2021-02-23 08:45:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:ghiAhOVUOxO7CX5KGSKtWf0gl1QSrKHkvN9Abr8kIKFrq1ASLHqVnWA5ju61vkhG:kfhQ7bX0tKtWfIg9AniKFRnWA5nChG
Threatray 2'799 similar samples on MalwareBazaar
TLSH B8D23B67CFA72E21E95E4B361670FB1B0A705B07E123A52F6848B1365A932CF9473F14
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: parveen.in
Sending IP: 103.99.1.140
From: Neilpereira "Purchase Dept." <neilpereira@parveen.in>
Reply-To: jamesadny@hotmail.com
Subject: RE: requirement - Material
Attachment: 0603321WG_0_1 pdf.gz (contains "0603321WG_0_1 pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Detection:
DLAgent06
Create hunting rule
Link:
https://www.capesandbox.com/analysis/118494/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader36.42819.17575.15999.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a window
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/615036
Signature
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 356527 Sample: 0603321WG_0_1 pdf.exe Startdate: 23/02/2021 Architecture: WINDOWS Score: 100 53 mail.orienttech.com.qa 2->53 69 Found malware configuration 2->69 71 Multi AV Scanner detection for submitted file 2->71 73 Yara detected AgentTesla 2->73 75 5 other signatures 2->75 8 0603321WG_0_1 pdf.exe 15 3 2->8         started        12 NewApp.exe 14 3 2->12         started        14 NewApp.exe 3 2->14         started        signatures3 process4 dnsIp5 57 coroloboxorozor.com 172.67.172.17, 49731, 49763, 80 CLOUDFLARENETUS United States 8->57 77 Hides threads from debuggers 8->77 79 Injects a PE file into a foreign processes 8->79 16 0603321WG_0_1 pdf.exe 2 5 8->16         started        20 cmd.exe 1 8->20         started        22 WerFault.exe 23 9 8->22         started        59 104.21.71.230, 49750, 80 CLOUDFLARENETUS United States 12->59 81 Multi AV Scanner detection for dropped file 12->81 83 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->83 85 Machine Learning detection for dropped file 12->85 87 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->87 25 cmd.exe 12->25         started        27 NewApp.exe 12->27         started        29 WerFault.exe 12->29         started        31 cmd.exe 14->31         started        33 NewApp.exe 14->33         started        35 WerFault.exe 14->35         started        signatures6 process7 dnsIp8 49 C:\Users\user\AppData\Roaming\...49ewApp.exe, PE32 16->49 dropped 51 C:\Users\user\...51ewApp.exe:Zone.Identifier, ASCII 16->51 dropped 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->61 63 Tries to steal Mail credentials (via file access) 16->63 65 Tries to harvest and steal ftp login credentials 16->65 67 2 other signatures 16->67 37 conhost.exe 20->37         started        39 timeout.exe 1 20->39         started        55 192.168.2.1 unknown unknown 22->55 41 conhost.exe 25->41         started        43 timeout.exe 25->43         started        45 conhost.exe 31->45         started        47 timeout.exe 31->47         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/283915d333318f5e8e7f30cdf8f8f96723da7af6ddab9c29c6f0b5a687157aa4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-23 01:44:31 UTC
AV detection:
10 of 46 (21.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fa4rluztgghv5dt7gdg7r6hzm4r5u6xw3wvzykog6c22nbyvpksa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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f04d5b287971f60d5f04b262f3714a790b7d7c9b591ab88faa1d1f5244792d09
AgentTesla
+ 2'789 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210223-jtds7ne55x/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
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
Unpacked files
SH256 hash:
283915d333318f5e8e7f30cdf8f8f96723da7af6ddab9c29c6f0b5a687157aa4
MD5 hash:
9844048a2b7081d223139f100b0ff486
SHA1 hash:
1cb465daf8e6a202356db86a9380e94e6cc1fa4d
Link:
https://www.unpac.me/results/e42ac0b0-dbcc-4a81-8771-8dc093abc528/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/283915d333318f5e8e7f30cdf8f8f96723da7af6ddab9c29c6f0b5a687157aa4

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

AgentTesla

gz cbbd0d388c0fd0f879d03050769d85e4fcf4fbc22859d51be4bc63adad8e7d8f

AgentTesla

Executable exe 283915d333318f5e8e7f30cdf8f8f96723da7af6ddab9c29c6f0b5a687157aa4

(this sample)

  
Dropped by
MD5 dff01d85aba835f85fbab6918f75acf1
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 cbbd0d388c0fd0f879d03050769d85e4fcf4fbc22859d51be4bc63adad8e7d8f
Cape
Cape
https://www.capesandbox.com/analysis/118494/

Comments