MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 173a06105b6617e5c7015ee0c49b8a0442aacc4a9581b8c13d2606677be532ae. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 173a06105b6617e5c7015ee0c49b8a0442aacc4a9581b8c13d2606677be532ae
SHA3-384 hash: 3ee73d494ebd2a5bec355558598c3666a210430667458c58e8336dae610baa8f7b3d6e9e12952b8f616bb7334ac99074
SHA1 hash: e984a94b16e4b3672d4a542ae69452f8fd644bc8
MD5 hash: d02024c03721354a7805adec2160c98b
humanhash: white-oven-alaska-leopard
File name:d02024c03721354a7805adec2160c98b.exe
Download: download sample
Signature AgentTesla
File size:968'704 bytes
First seen:2020-09-01 15:59:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4a8c570c3cd27d8aeca1d0717ba85f7e (2 x Loki, 1 x MassLogger, 1 x AgentTesla)
ssdeep 12288:RqHLVhOmSO+T277YbxXi7I4lEEqdaZnhC5ad224dyXHEk/RWHE92pu:wrVOOmbizQ0hC84dA/RCVu
Threatray 9'419 similar samples on MalwareBazaar
TLSH A725AE16B2A04832D123163C8D1B97B5AD36BE117B28BE462BF5DC4F5F397813839297
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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: 280774 Sample: BLl6gzYVHo.exe Startdate: 01/09/2020 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected AgentTesla 2->42 44 Machine Learning detection for sample 2->44 6 BLl6gzYVHo.exe 2->6         started        9 newapp.exe 2->9         started        11 newapp.exe 2->11         started        process3 signatures4 46 Detected unpacking (changes PE section rights) 6->46 48 Detected unpacking (creates a PE file in dynamic memory) 6->48 50 Detected unpacking (overwrites its own PE header) 6->50 60 2 other signatures 6->60 13 BLl6gzYVHo.exe 2 7 6->13         started        52 Multi AV Scanner detection for dropped file 9->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->54 56 Machine Learning detection for dropped file 9->56 18 newapp.exe 4 9->18         started        58 Maps a DLL or memory area into another process 11->58 20 newapp.exe 4 11->20         started        process5 dnsIp6 26 smtp.xideshengs.com 13->26 28 us2.smtp.mailhostbox.com 208.91.199.223, 49723, 49754, 587 PUBLIC-DOMAIN-REGISTRYUS United States 13->28 22 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 13->22 dropped 24 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 13->24 dropped 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->62 64 Tries to steal Mail credentials (via file access) 13->64 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->66 30 smtp.xideshengs.com 18->30 32 208.91.198.143, 49734, 49735, 49755 PUBLIC-DOMAIN-REGISTRYUS United States 18->32 34 192.168.2.1 unknown unknown 18->34 36 smtp.xideshengs.com 20->36 68 Tries to harvest and steal ftp login credentials 20->68 70 Tries to harvest and steal browser information (history, passwords, etc) 20->70 file7 signatures8
Threat name:
Win32.Trojan.DelfInject
Status:
Malicious
First seen:
2020-09-01 13:12:21 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
UPX packed file
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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.

Web download

AgentTesla

Executable exe 173a06105b6617e5c7015ee0c49b8a0442aacc4a9581b8c13d2606677be532ae

(this sample)

  
Delivery method
Distributed via web download

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