MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9bc0f924534c4e87535971e5ebfc21bd3a5c4e205c7be750b88bd8ddd0d02c5. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: c9bc0f924534c4e87535971e5ebfc21bd3a5c4e205c7be750b88bd8ddd0d02c5
SHA3-384 hash: 2acf0792515dee645b94176b861fcd48c84acd25c68e0da5277a7793c7de6c9fdcfc3149b7d72838ddaf3e3b5a738f35
SHA1 hash: 862c819784373ba888df612611bf7df37f9dba33
MD5 hash: db2c29598c96ad59ec129651cd899738
humanhash: quebec-washington-happy-one
File name:NEWYORKU.EXE
Download: download sample
Signature AgentTesla
File size:550'912 bytes
First seen:2020-07-29 08:24:27 UTC
Last seen:2020-07-29 09:11:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:NCbC95QG3ZrhuMIRzWXjdm99V9fh+QGNUVfD6wFLrU5Ofn+HOvFBc8S:MCThuMOJ9V95+3UVfdgC+Hezc
Threatray 10'630 similar samples on MalwareBazaar
TLSH 15C4E06CE1451773C6EB1FFCE4DB594422BE7FE2A552C7182EA23F697E33A000654A12
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 253394 Sample: NEWYORKU.EXE Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 28 g.msn.com 2->28 30 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->30 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Sigma detected: Scheduled temp file as task from temp location 2->40 42 6 other signatures 2->42 8 NEWYORKU.EXE 7 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->20 dropped 22 C:\...\&startupname&.exe:Zone.Identifier, ASCII 8->22 dropped 24 C:\Users\user\AppData\Local\...\tmpF6FC.tmp, XML 8->24 dropped 26 C:\Users\user\AppData\...26EWYORKU.EXE.log, ASCII 8->26 dropped 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->46 48 Injects a PE file into a foreign processes 8->48 12 NEWYORKU.EXE 2 8->12         started        16 schtasks.exe 1 8->16         started        signatures6 process7 dnsIp8 32 smtp.lctechs-usering.com 12->32 34 us2.smtp.mailhostbox.com 208.91.199.224, 49740, 587 PUBLIC-DOMAIN-REGISTRYUS United States 12->34 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->50 52 Tries to steal Mail credentials (via file access) 12->52 54 Tries to harvest and steal ftp login credentials 12->54 56 Tries to harvest and steal browser information (history, passwords, etc) 12->56 18 conhost.exe 16->18         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-29 08:19:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
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.

Malspam

AgentTesla

Executable exe c9bc0f924534c4e87535971e5ebfc21bd3a5c4e205c7be750b88bd8ddd0d02c5

(this sample)

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