MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 744ebb2e77533c06399b3e375e997c864eecc2a20d97145c028a44575a6a44c8. 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 4 File information Comments

SHA256 hash: 744ebb2e77533c06399b3e375e997c864eecc2a20d97145c028a44575a6a44c8
SHA3-384 hash: 5d5f2fa979c1ded70bacbd557d99bed2f524cd8384bc141ad676e6e142233f69c32520192797cc812ebfaaf0f30c6bdb
SHA1 hash: 607d26417c14ab7f702ee8d275dc6e964023d8c3
MD5 hash: a1bc578c333934e68f8b583415fad797
humanhash: pluto-music-bacon-coffee
File name:a1bc578c333934e68f8b583415fad797.exe
Download: download sample
Signature AgentTesla
File size:882'688 bytes
First seen:2020-10-05 11:10:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d428173b181e83384eb653137e4f549 (4 x AgentTesla, 4 x Loki, 2 x HawkEye)
ssdeep 12288:16LIdiPeP0pK+6kP/j2hEfPgqZkY4AJ037hVIk1aHhqDpUJxBsMiu:16rrc+6o+EAqqG0rIkQclUJxBGu
Threatray 9'532 similar samples on MalwareBazaar
TLSH 9715AF63A2A0C437C36316399C0F4B7C9A3AFDD02A2498496BF4DE4C9F39651791D2B7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
bh-58.webhostbox.net:587

AgentTesla SMTP exfil email address:
arinze@asustech.ml

Intelligence


File Origin
# of uploads :
1
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
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
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: 293063 Sample: 249eqR4sr6.exe Startdate: 05/10/2020 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Yara detected AgentTesla 2->32 34 Machine Learning detection for sample 2->34 6 arinze.exe 2->6         started        9 249eqR4sr6.exe 2->9         started        11 arinze.exe 2->11         started        process3 signatures4 36 Multi AV Scanner detection for dropped file 6->36 38 Detected unpacking (changes PE section rights) 6->38 40 Detected unpacking (creates a PE file in dynamic memory) 6->40 50 2 other signatures 6->50 13 arinze.exe 8 6->13         started        42 Detected unpacking (overwrites its own PE header) 9->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->46 17 249eqR4sr6.exe 2 11 9->17         started        48 Maps a DLL or memory area into another process 11->48 20 arinze.exe 8 11->20         started        process5 dnsIp6 26 bh-58.webhostbox.net 199.79.63.24, 49726, 49727, 49731 PUBLIC-DOMAIN-REGISTRYUS United States 17->26 28 192.168.2.1 unknown unknown 17->28 22 C:\Users\user\AppData\Local\...\arinze.exe, PE32 17->22 dropped 24 C:\Users\user\...\arinze.exe:Zone.Identifier, ASCII 17->24 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->52 54 Tries to steal Mail credentials (via file access) 17->54 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->56 58 Tries to harvest and steal ftp login credentials 20->58 60 Tries to harvest and steal browser information (history, passwords, etc) 20->60 file7 signatures8
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2020-10-05 11:12:07 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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
Unpacked files
SH256 hash:
744ebb2e77533c06399b3e375e997c864eecc2a20d97145c028a44575a6a44c8
MD5 hash:
a1bc578c333934e68f8b583415fad797
SHA1 hash:
607d26417c14ab7f702ee8d275dc6e964023d8c3
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_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla
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.

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