MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dabba0dc8f8921f74b3c85de6a9ad8f9604a880158fb286acba5a67fd3eba406. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: dabba0dc8f8921f74b3c85de6a9ad8f9604a880158fb286acba5a67fd3eba406
SHA3-384 hash: 3d4ed0d8da6ae311b99a2aecdc02c051972ba555f49be6bdc054ccef91c09dae3932155d94e34ce6aea6bc31913e472d
SHA1 hash: dabc99bf9646cf4b4fe511ed3a02df9f01d7b5e3
MD5 hash: eac3092df9e9d212a8df8d14c537373a
humanhash: sodium-yellow-fanta-crazy
File name:eac3092df9e9d212a8df8d14c537373a.exe
Download: download sample
Signature AgentTesla
File size:826'368 bytes
First seen:2022-02-17 18:06:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:7weqWi5VkoxlDUx83OzPSvyJYmMpySeh8jGD8b2r+QIwMoV8Max1H8QrgN+3BiB:yI83OzMyJYSP7NrXIdMox8EgN9B
Threatray 15'392 similar samples on MalwareBazaar
TLSH T17405AE5631EF1096D7A2EBF50FD8BCBF8AAAF177120F353A31816B5687629408D02375
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
black obfuscated packed
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 574328 Sample: UAskxJZ3MY.exe Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 31 us2.smtp.mailhostbox.com 2->31 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 7 other signatures 2->41 7 UAskxJZ3MY.exe 3 2->7         started        11 nwlrFL.exe 2 2->11         started        13 nwlrFL.exe 3 2->13         started        signatures3 process4 file5 25 C:\Users\user\AppData\...\UAskxJZ3MY.exe.log, ASCII 7->25 dropped 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 47 Injects a PE file into a foreign processes 7->47 15 UAskxJZ3MY.exe 2 5 7->15         started        19 UAskxJZ3MY.exe 7->19         started        49 Multi AV Scanner detection for dropped file 11->49 51 Machine Learning detection for dropped file 11->51 21 nwlrFL.exe 2 11->21         started        23 nwlrFL.exe 11->23         started        signatures6 process7 file8 27 C:\Users\user\AppData\Roaming\...\nwlrFL.exe, PE32 15->27 dropped 29 C:\Users\user\...\nwlrFL.exe:Zone.Identifier, ASCII 15->29 dropped 33 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->33 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-17 14:39:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
e33254e2ad4d279914a29450f98d1750a9f513fc8ddb853e0dd8346b805faa43
MD5 hash:
b597cce7bfc65e56fa69ebb7f413a33f
SHA1 hash:
7ee40df5ac783432e7c9f7be4f7ed1f286345d58
SH256 hash:
73d55bbc21ca3d8a27ee17a719347e9e5bb652e25008159efac4583e7c6c8293
MD5 hash:
f06b08fa6189a40a605fa744068376b0
SHA1 hash:
545a141c93bb1fb85837510f2c3a255396e45675
SH256 hash:
bf1ca7b4c1a0ea5eaa568eb61a4e583fb63ff741beb442912e3d547a0f2612bc
MD5 hash:
d91b7b9d9d18a026317255125e3f0ad0
SHA1 hash:
1b3502a7825628b5dd5ecacddd7d09fd92a98abe
SH256 hash:
7cd7aeeb65a653ebe8d64daa1a9cde54cb8bfd062160311195b0558a3fb47c96
MD5 hash:
629b7a236b877bb21a37d0a3d856e40a
SHA1 hash:
121c06e356ddff543409c0cebf1d3daa0bdb95f6
SH256 hash:
dabba0dc8f8921f74b3c85de6a9ad8f9604a880158fb286acba5a67fd3eba406
MD5 hash:
eac3092df9e9d212a8df8d14c537373a
SHA1 hash:
dabc99bf9646cf4b4fe511ed3a02df9f01d7b5e3
Malware family:
Agent Tesla v3
Verdict:
Malicious
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

AgentTesla

Executable exe dabba0dc8f8921f74b3c85de6a9ad8f9604a880158fb286acba5a67fd3eba406

(this sample)

  
Delivery method
Distributed via web download

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