MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c95e5c1b2b58307ed81c9abb6aac3174de94577c560ccf4b9d0881922539069. 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: 5c95e5c1b2b58307ed81c9abb6aac3174de94577c560ccf4b9d0881922539069
SHA3-384 hash: 71f53f1066a8e34a4061116deb70c12683dfe08e7aa06ff8e1a2d34393e81b76a0cb6c6978d0853d83665e2295c783fa
SHA1 hash: 862f2d456c3e2cdcff0f9686e4d32f87f11bb95e
MD5 hash: e878a41d8b6aed028e7b2deae428aeab
humanhash: jupiter-single-asparagus-kentucky
File name:SO#2M0119_æ–°é‡‡è´­è®¢å •_20200831_dwg.exe
Download: download sample
Signature AgentTesla
File size:1'013'760 bytes
First seen:2020-08-31 11:30:32 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:ZQRtEpX2lQK0LFadpZPwymVzJ5NLskm9aAsk0td8j1E6o2HdutWhUiuMz90nRnt1:ZiCFa7N6VAIT8Vo29utgjron68acz
Threatray 9'572 similar samples on MalwareBazaar
TLSH 0925E013531E9B1ED81873B9349000DCE6F16F82EF39E1D9ED4731EA686A24DB5DD282
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail-smail-vm47.hanmail.net
Sending IP: 203.133.180.235
From: yangfeifei8007@126.com <mansu0402@hanmail.net>
Subject: SO#2M001119
Attachment: SO2M0119Z.z (contains "SO#2M0119_æ–°é‡‡è´­è®¢å •_20200831_dwg.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Injects a PE file into a foreign processes
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: 280061 Sample: 0831_dwg.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Sigma detected: Scheduled temp file as task from temp location 2->37 39 7 other signatures 2->39 7 0831_dwg.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\tmsCSJ.exe, PE32 7->19 dropped 21 C:\Users\user\...\tmsCSJ.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpCFD5.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\0831_dwg.exe.log, ASCII 7->25 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Injects a PE file into a foreign processes 7->45 11 0831_dwg.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.yandex.ru 77.88.21.158, 49726, 587 YANDEXRU Russian Federation 11->27 29 192.168.2.1 unknown unknown 11->29 31 smtp.yandex.com 11->31 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-31 04:43:46 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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.

Malspam

AgentTesla

Executable exe 5c95e5c1b2b58307ed81c9abb6aac3174de94577c560ccf4b9d0881922539069

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments