MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d0b4a4ca3f6d68b06b3547de97b61876f2bdb4a3fd23ebfc65d4a267da63b830. 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 3 File information Comments 1

SHA256 hash: d0b4a4ca3f6d68b06b3547de97b61876f2bdb4a3fd23ebfc65d4a267da63b830
SHA3-384 hash: b4c7dcc2104ecfd0d79369de577263009734b8645fb7dad7ef191297e0fe83a0cc15890886d773ef025a0d4204f75467
SHA1 hash: cc613c7dafd1d2985f617a5950046c7bb9f00c8a
MD5 hash: a9328bff8cf47ae8ae3ee51b1cd1b890
humanhash: magnesium-mexico-monkey-finch
File name:a9328bff8cf47ae8ae3ee51b1cd1b890.exe
Download: download sample
Signature AgentTesla
File size:930'304 bytes
First seen:2021-04-20 12:10:06 UTC
Last seen:2021-04-20 13:01:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:p+pBwevO1L0p0KxtUlDjX0pd+WZiRRRRRGNRegAJ:Fw9UZjEftwRRRRRGneg
Threatray 4'087 similar samples on MalwareBazaar
TLSH 13155C9C725475DEDAABD2758B686D54EB503C77430B420BE02734BAA93CC83DF160BA
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.scrablex.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a9328bff8cf47ae8ae3ee51b1cd1b890.exe
Verdict:
Malicious activity
Analysis date:
2021-04-20 12:29:20 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Contains functionality to register a low level keyboard hook
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
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 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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 393565 Sample: KQ1lQCPMS8.exe Startdate: 20/04/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AgentTesla 2->45 47 4 other signatures 2->47 6 KQ1lQCPMS8.exe 3 2->6         started        10 aKZoqyj.exe 3 2->10         started        12 aKZoqyj.exe 2 2->12         started        process3 file4 23 C:\Users\user\AppData\...\KQ1lQCPMS8.exe.log, ASCII 6->23 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->51 53 Contains functionality to register a low level keyboard hook 6->53 14 KQ1lQCPMS8.exe 2 9 6->14         started        55 Multi AV Scanner detection for dropped file 10->55 57 Machine Learning detection for dropped file 10->57 59 Injects a PE file into a foreign processes 10->59 19 aKZoqyj.exe 2 10->19         started        21 aKZoqyj.exe 2 12->21         started        signatures5 process6 dnsIp7 29 smtp.scrablex.com 14->29 31 us2.smtp.mailhostbox.com 208.91.199.223, 49749, 49750, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->31 25 C:\Users\user\AppData\Roaming\...\aKZoqyj.exe, PE32 14->25 dropped 27 C:\Users\user\...\aKZoqyj.exe:Zone.Identifier, ASCII 14->27 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 39 3 other signatures 14->39 file8 signatures9
Gathering data
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
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.

Web download

AgentTesla

Executable exe d0b4a4ca3f6d68b06b3547de97b61876f2bdb4a3fd23ebfc65d4a267da63b830

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-20 13:07:57 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection