MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da8df4bae3a3ee7500b5de14c09ebf28b2928442c0282d713085efe0fa559b38. 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 File information Comments

SHA256 hash: da8df4bae3a3ee7500b5de14c09ebf28b2928442c0282d713085efe0fa559b38
SHA3-384 hash: be1acf92a098872cb67a2cb3737c1ef80e0812b06fea4fa5c953b6668eca1611e45f7f1c7269cf167e4c2c1565b21599
SHA1 hash: 8165a73df4b886d593985bbfe4185d98b1bbfcc8
MD5 hash: 2f3934dbe42ecb3474303507fbe15255
humanhash: seven-queen-gee-queen
File name:PO 304161.exe
Download: download sample
Signature AgentTesla
File size:109'424 bytes
First seen:2020-10-22 07:06:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:P3gENstJG7e9uGuQfJwcBuPfY4ERv11gdRdkFUgG:ovM7eKYzRvMl
Threatray 717 similar samples on MalwareBazaar
TLSH 7BB3610B7A544E94FA38673DD15B580207FA7ACB4A72DB781FC079DA06821581FEF368
Reporter abuse_ch
Tags:AgentTesla exe Yahoo


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: sonic302-19.consmr.mail.ir2.yahoo.com
Sending IP: 87.248.110.82
From: CAJA INC <amanda_johnson00232@yahoo.co.uk>
Reply-To: CAJA INC <amanda_johnson00232@yahoo.co.uk>
Subject: PURCHASE ORDER
Attachment: PO 304161.LZH (contains "PO 304161.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Binary contains a suspicious time stamp
Connects to a pastebin service (likely for C&C)
Contains functionality to hide a thread from the debugger
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 302547 Sample: PO 304161.exe Startdate: 22/10/2020 Architecture: WINDOWS Score: 100 64 Found malware configuration 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 Yara detected AgentTesla 2->68 70 8 other signatures 2->70 7 PO 304161.exe 15 2 2->7         started        11 Myapp.exe 14 2 2->11         started        13 Myapp.exe 2->13         started        process3 dnsIp4 44 www.google.it 172.217.168.3 GOOGLEUS United States 7->44 46 hastebin.com 104.24.127.89, 443, 49743, 49774 CLOUDFLARENETUS United States 7->46 48 192.168.2.1 unknown unknown 7->48 72 Hides threads from debuggers 7->72 74 Injects a PE file into a foreign processes 7->74 15 PO 304161.exe 2 9 7->15         started        20 WerFault.exe 23 9 7->20         started        22 timeout.exe 1 7->22         started        76 Multi AV Scanner detection for dropped file 11->76 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->78 80 Machine Learning detection for dropped file 11->80 82 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->82 24 timeout.exe 11->24         started        26 Myapp.exe 11->26         started        28 WerFault.exe 11->28         started        30 timeout.exe 13->30         started        signatures5 process6 dnsIp7 50 smtp.mail.com 74.208.5.15, 49777, 49778, 587 ONEANDONE-ASBrauerstrasse48DE United States 15->50 52 elb097307-934924932.us-east-1.elb.amazonaws.com 54.225.66.103, 443, 49776 AMAZON-AESUS United States 15->52 54 2 other IPs or domains 15->54 38 C:\Users\user\AppData\Roaming\...\Myapp.exe, PE32 15->38 dropped 40 C:\Users\user\...\Myapp.exe:Zone.Identifier, ASCII 15->40 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->56 58 Tries to steal Mail credentials (via file access) 15->58 60 Tries to harvest and steal ftp login credentials 15->60 62 3 other signatures 15->62 42 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 20->42 dropped 32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        36 conhost.exe 30->36         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Tiggre
Status:
Malicious
First seen:
2020-10-22 06:45:47 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla persistence
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
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:
da8df4bae3a3ee7500b5de14c09ebf28b2928442c0282d713085efe0fa559b38
MD5 hash:
2f3934dbe42ecb3474303507fbe15255
SHA1 hash:
8165a73df4b886d593985bbfe4185d98b1bbfcc8
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

AgentTesla

Executable exe da8df4bae3a3ee7500b5de14c09ebf28b2928442c0282d713085efe0fa559b38

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments