MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 123e454af642e26f82ecd6fec5b7f3e5a04c015dad7c5880b1101d00ba1c804d. 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: 123e454af642e26f82ecd6fec5b7f3e5a04c015dad7c5880b1101d00ba1c804d
SHA3-384 hash: 6f06bf1ab22cc84e0371951534447fdaeb7b32679e2444757d9388cbad0c2f66b46bfa492124c22eea4dd4065b016b6d
SHA1 hash: 967a48b2f690e4b76899d6b3c35139eb106168e9
MD5 hash: 4d82d895c185f7ca73b3e5926d1907f9
humanhash: bravo-carpet-river-sweet
File name:SWIFT_87635602.exe
Download: download sample
Signature AgentTesla
File size:549'376 bytes
First seen:2020-07-28 20:27:33 UTC
Last seen:Never
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:iMkkgVtBsiju5ldyzCy1Lx10Wbr/Xs7G5P8:i6gVzsWubdyzdbrQ
Threatray 10'659 similar samples on MalwareBazaar
TLSH 22C4E00421986B1FD75B95B97423C0F01263D0A9EBA6EEB75D4FE0A719C22FD7983063
Reporter jarumlus
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Scheduled temp file as task from temp location
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 signatures2 2 Behavior Graph ID: 252740 Sample: SWIFT_87635602.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 7 other signatures 2->37 7 SWIFT_87635602.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\&startupname&.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmp417C.tmp, XML 7->21 dropped 23 C:\...\&startupname&.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\...\SWIFT_87635602.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 11 SWIFT_87635602.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.yandex.com.tr 11->27 29 smtp.yandex.ru 77.88.21.158, 49738, 587 YANDEXRU Russian Federation 11->29 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-28 20:29:05 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
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.

2778b74bf0267642ae9921ce69d84e29acc3be8470edb0a48c72a0382d0ae4da

AgentTesla

Executable exe 123e454af642e26f82ecd6fec5b7f3e5a04c015dad7c5880b1101d00ba1c804d

(this sample)

  
Dropped by
MD5 24b7f8949d60c4da7bf68bcfdd422fed
  
Dropped by
SHA256 2778b74bf0267642ae9921ce69d84e29acc3be8470edb0a48c72a0382d0ae4da
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments