MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 190974a9cf7515b2e7ffa21e82aad74c5745a5598c5fb54d0ea0ad70396b66cf. 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: 190974a9cf7515b2e7ffa21e82aad74c5745a5598c5fb54d0ea0ad70396b66cf
SHA3-384 hash: 2012b37ed80e9ee13d78cf233ab4abedbc3d28465c6ca1e84f849106bb08839471a1813d0616b84370c5990311dc1582
SHA1 hash: c6e39ed4dffd8d5bb7136cf1e18ef869526bd5ab
MD5 hash: 8f7007d7daf444bce9a09accaccd4cab
humanhash: spaghetti-blossom-sierra-mexico
File name:URGENT UHP RFQ E010 RFQ FOR DC UPS SYSTEM CUT OFF DATE AUGUST 25TH 2020.exe
Download: download sample
Signature AgentTesla
File size:727'040 bytes
First seen:2020-08-19 11:21:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:SE93enDhZ56UbdJ99Aev+jwsggaLmzvxf18ie3gq5S9FopyPrnQWZ:VQDX56UfHAev0lSijq5a6pyPrQWZ
Threatray 9'245 similar samples on MalwareBazaar
TLSH C2F4011122D5A25CC8292B745E42571C07F4AC929222CAD9BEC732AE5D3EFCFD72435E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: alnassar.com.sa
Sending IP: 162.244.93.110
From: LEE JUN WOO <angalos@hec-kr.com>
Reply-To: LEE JUN WOO <angalos@hec-kr.com>
Subject: URGENT [HYUNDAI MOTOR CCPP] DC & UPS SYSTEM / RFQ Issuance / Cut-off date : 2020-08-25
Attachment: URGENT UHP RFQ E010 RFQ FOR DC UPS SYSTEM CUT OFF DATE AUGUST 25TH 2020.IMG (contains "URGENT UHP RFQ E010 RFQ FOR DC UPS SYSTEM CUT OFF DATE AUGUST 25TH 2020.exe")

AgentTesla SMTP exfil server:
smtp.seldon-petroleum.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 271342 Sample: URGENT UHP RFQ E010 RFQ FOR... Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 10 other signatures 2->43 9 URGENT UHP RFQ E010 RFQ FOR DC UPS SYSTEM CUT OFF DATE AUGUST 25TH 2020.exe 7 2->9         started        process3 file4 25 C:\Users\user\AppData\Roaming\KzbjIRV.exe, PE32 9->25 dropped 27 C:\Users\user\...\KzbjIRV.exe:Zone.Identifier, ASCII 9->27 dropped 29 C:\Users\user\AppData\Local\...\tmp6C3C.tmp, XML 9->29 dropped 31 URGENT UHP RFQ E01...T 25TH 2020.exe.log, ASCII 9->31 dropped 45 Injects a PE file into a foreign processes 9->45 13 URGENT UHP RFQ E010 RFQ FOR DC UPS SYSTEM CUT OFF DATE AUGUST 25TH 2020.exe 2 9->13         started        17 schtasks.exe 1 9->17         started        signatures5 process6 dnsIp7 33 smtp.seldon-petroleum.com 13->33 35 us2.smtp.mailhostbox.com 208.91.198.143, 49727, 587 PUBLIC-DOMAIN-REGISTRYUS United States 13->35 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->47 49 Tries to steal Mail credentials (via file access) 13->49 51 Tries to harvest and steal ftp login credentials 13->51 53 Tries to harvest and steal browser information (history, passwords, etc) 13->53 19 conhost.exe 17->19         started        signatures8 process9 process10 21 MpCmdRun.exe 1 19->21         started        process11 23 conhost.exe 21->23         started       
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Status:
Malicious
First seen:
2020-08-19 01:24:00 UTC
AV detection:
24 of 29 (82.76%)
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 190974a9cf7515b2e7ffa21e82aad74c5745a5598c5fb54d0ea0ad70396b66cf

(this sample)

  
Delivery method
Distributed via e-mail attachment

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