MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f25f7c0d6d6d1cec86eb323b6b0d0c529246b0fa5ab9d4859f37d6cc9d5ad3b7. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: f25f7c0d6d6d1cec86eb323b6b0d0c529246b0fa5ab9d4859f37d6cc9d5ad3b7
SHA3-384 hash: 33f68ecaf47eb48b577683bb24b3fae9eaea269b2d0cbde82ba297577201017c5d522bebbca150c9afbc6f12bc542c28
SHA1 hash: 088b74303f97250619103caa9f4ae19fb0ffb1e7
MD5 hash: d8352ead2df16af40f73a0daec51303e
humanhash: connecticut-helium-connecticut-bakerloo
File name:f25f7c0d6d6d1cec86eb323b6b0d0c529246b0fa5ab9d4859f37d6cc9d5ad3b7
Download: download sample
Signature AgentTesla
File size:924'672 bytes
First seen:2020-09-10 12:35:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0a51d3dbff2755c7c37ce35e5920f020 (15 x AgentTesla, 8 x MassLogger, 6 x Loki)
ssdeep 12288:+c8JhscTlxKwOUBMwW+c4eJsmYxBs4fCPMdVFIEOK+Q6Fa6uOY7Ac6Lurdu:cLJlxKfwvmygMdLIEs/8lOYILurdu
TLSH 7815B023B2D04837C1BF1A7D9D1B82B4A82AFD522938A9493BE8FD4C4F752513935397
Reporter madjack_red
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
118
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
Launching a process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 283974 Sample: KEsBbwaNV7 Startdate: 10/09/2020 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected AgentTesla 2->33 35 2 other signatures 2->35 7 KEsBbwaNV7.exe 2->7         started        10 wscript.exe 1 2->10         started        process3 signatures4 37 Detected unpacking (changes PE section rights) 7->37 39 Detected unpacking (overwrites its own PE header) 7->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 6 other signatures 7->43 12 KEsBbwaNV7.exe 4 7->12         started        16 notepad.exe 1 7->16         started        19 KEsBbwaNV7.exe 10->19         started        process5 dnsIp6 25 smtp.yandex.ru 77.88.21.158, 49724, 587 YANDEXRU Russian Federation 12->25 27 smtp.yandex.com 12->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->45 47 Tries to steal Mail credentials (via file access) 12->47 49 Tries to harvest and steal ftp login credentials 12->49 51 Tries to harvest and steal browser information (history, passwords, etc) 12->51 23 C:\Users\user\AppData\Roaming\...\invoice.vbs, ASCII 16->23 dropped 53 Drops VBS files to the startup folder 16->53 55 Delayed program exit found 16->55 21 notepad.exe 19->21         started        file7 signatures8 process9
Threat name:
Win32.Trojan.DelfInject
Status:
Malicious
First seen:
2020-09-10 00:02:22 UTC
AV detection:
44 of 48 (91.67%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer trojan spyware 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
Drops startup file
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.

Comments