MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff339c6387678ac6ad9e7403a579d0d52dbac97e94b65d0a6a1ea852bd10673a. 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: ff339c6387678ac6ad9e7403a579d0d52dbac97e94b65d0a6a1ea852bd10673a
SHA3-384 hash: fd0dce452ea892167ee4f2fd47062057b1a1eca7863446a17f6b514cb809e7353bdb53d5cc00a151c62fa1e2ec906899
SHA1 hash: 37fd035068b7c517f831520974defc40fc71cd29
MD5 hash: dd434348a4c6c07fe81632199fc222e1
humanhash: november-nitrogen-golf-low
File name:ff339c6387678ac6ad9e7403a579d0d52dbac97e94b65d0a6a1ea852bd10673a
Download: download sample
Signature AgentTesla
File size:961'536 bytes
First seen:2020-09-15 11:22:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 471772127a33258cfe3f224966954ae7 (5 x AgentTesla, 5 x MassLogger)
ssdeep 12288:BoRXFO85PEKTm9NFDemwzuV59YZVDYH+gTy6hfsnfg+FgDUIpWwiHaBAZV6EG8l:B2c85Pm9NFDSuJeOb+nI+FgDjpWw8Zv/
Threatray 9'447 similar samples on MalwareBazaar
TLSH 7B157A13F2AF5A3ED1A21638683B62B49935BF332D20994D3BE4ED0C4E3525539652F3
Reporter madjack_red
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Sending a UDP request
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:
Unknown
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
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)
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 285630 Sample: UANxktX9wd Startdate: 15/09/2020 Architecture: WINDOWS Score: 100 35 Multi AV Scanner detection for domain / URL 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 .NET source code contains potential unpacker 2->41 7 UANxktX9wd.exe 2->7         started        10 wscript.exe 1 2->10         started        process3 signatures4 43 Detected unpacking (changes PE section rights) 7->43 45 Detected unpacking (creates a PE file in dynamic memory) 7->45 47 Detected unpacking (overwrites its own PE header) 7->47 49 7 other signatures 7->49 12 UANxktX9wd.exe 4 7->12         started        16 notepad.exe 1 7->16         started        18 UANxktX9wd.exe 7->18         started        20 UANxktX9wd.exe 10->20         started        process5 dnsIp6 31 mail.hybridgroupco.com 12->31 33 hybridgroupco.com 66.70.204.222, 49721, 587 OVHFR Canada 12->33 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->51 53 Tries to steal Mail credentials (via file access) 12->53 55 Tries to harvest and steal ftp login credentials 12->55 57 Tries to harvest and steal browser information (history, passwords, etc) 12->57 59 Drops VBS files to the startup folder 16->59 61 Delayed program exit found 16->61 63 Writes to foreign memory regions 20->63 65 Allocates memory in foreign processes 20->65 67 Maps a DLL or memory area into another process 20->67 22 notepad.exe 1 20->22         started        25 UANxktX9wd.exe 20->25         started        27 UANxktX9wd.exe 20->27         started        signatures7 process8 file9 29 C:\Users\user\AppData\...\IJCARGO(PVT)P.vbs, ASCII 22->29 dropped
Threat name:
Win32.Trojan.LokibotCrypt
Status:
Malicious
First seen:
2020-09-14 07:31:04 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer upx spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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