MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5ee6f7a864b708ffd39b0f243c5fc86969f047beab0e17036c4e80ddd542b73. 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: f5ee6f7a864b708ffd39b0f243c5fc86969f047beab0e17036c4e80ddd542b73
SHA3-384 hash: 35be38c926b3348145a1d05c4c9250a3fd48246cd965faf35d17fb2ede213f39551c23f35927ef9189e88dbf603755bc
SHA1 hash: d1618f2ebeff4f630c873b896e36a7b3e479d375
MD5 hash: 045f12368839b778b82501e48d39476b
humanhash: eighteen-lion-rugby-single
File name:SecuriteInfo.com.Trojan.PWS.Siggen2.52626.11195.11032
Download: download sample
Signature AgentTesla
File size:617'472 bytes
First seen:2020-07-27 23:39:08 UTC
Last seen:2020-08-02 07:33:17 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:kSNg9PHELPSP1HvPrpnIFM6LOxYh5sTXkU0:kSe9PDxIFExYnI
Threatray 10'700 similar samples on MalwareBazaar
TLSH 4BD4D0042100574FC717C831A567E8F05513ECA6EB6A9A332CCFEE9B75E81FD69871A2
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
3
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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
Moves itself to temp directory
Multi AV Scanner detection for domain / URL
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)
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 steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 251784 Sample: SecuriteInfo.com.Trojan.PWS... Startdate: 28/07/2020 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->33 35 Multi AV Scanner detection for domain / URL 2->35 37 Found malware configuration 2->37 39 5 other signatures 2->39 6 SecuriteInfo.com.Trojan.PWS.Siggen2.52626.11195.exe 3 2->6         started        10 nVTlJn.exe 3 2->10         started        12 nVTlJn.exe 2 2->12         started        process3 file4 23 SecuriteInfo.com.T...52626.11195.exe.log, ASCII 6->23 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->43 45 Contains functionality to register a low level keyboard hook 6->45 14 SecuriteInfo.com.Trojan.PWS.Siggen2.52626.11195.exe 2 5 6->14         started        47 Multi AV Scanner detection for dropped file 10->47 49 Machine Learning detection for dropped file 10->49 18 nVTlJn.exe 10 10->18         started        51 Injects a PE file into a foreign processes 12->51 21 nVTlJn.exe 2 12->21         started        signatures5 process6 dnsIp7 25 C:\Users\user\AppData\Roaming\...\nVTlJn.exe, PE32 14->25 dropped 27 C:\Users\user\...\nVTlJn.exe:Zone.Identifier, ASCII 14->27 dropped 53 Moves itself to temp directory 14->53 55 Tries to steal Mail credentials (via file access) 14->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->57 29 titanworkinharders.com 72.9.135.10, 49738, 587 NETROUTING-ASNL United States 18->29 31 mail.titanworkinharders.com 18->31 59 Tries to harvest and steal browser information (history, passwords, etc) 18->59 61 Installs a global keyboard hook 18->61 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-27 13:30:52 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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 f5ee6f7a864b708ffd39b0f243c5fc86969f047beab0e17036c4e80ddd542b73

(this sample)

  
Delivery method
Distributed via web download

Comments