MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 95cc09bf84b557baa4ce240a6034d1169e12f4268bf9041c4116f149f7603afe. 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: 95cc09bf84b557baa4ce240a6034d1169e12f4268bf9041c4116f149f7603afe
SHA3-384 hash: 3daf252b5dee67e3cfe5e1e08e1432d88d8f488f930c021a6fcb1f0172302e21585af5d8d2a92f3fd068a282952f2207
SHA1 hash: 4ec9cce9ec3a012e53e9b116d40f7506c4632e14
MD5 hash: 32b3a0cf4205e5e48691c110aa082d1e
humanhash: diet-sweet-don-romeo
File name:PO20200716-July.pif
Download: download sample
Signature AgentTesla
File size:682'496 bytes
First seen:2020-07-16 08:07:53 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 6144:PbO2CS28qtmuFD7mtecBI4RfKES6KqcwATSE994JNjpRmXzI6OgyOM5/fIdehr:Pi2CSVq2tecAuTZATSS92xmtm
Threatray 10'646 similar samples on MalwareBazaar
TLSH DCE45B3D3AC16408D83D0935C8ED6AA13771B59B7B62C70F6ACA075C6F132EB3B56189
Reporter abuse_ch
Tags:AgentTesla pif


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: citygourmet.hk
Sending IP: 175.101.4.146
From: Richard Cho <sales@citygourmet.hk>
Subject: Purchase Order #8769
Attachment: PO20200716-July.zip (contains "PO20200716-July.pif")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Creates an autostart registry key pointing to binary in C:\Windows
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: Add file from suspicious location to autostart registry
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246906 Sample: PO20200716-July.pif Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AgentTesla 2->38 40 Sigma detected: Add file from suspicious location to autostart registry 2->40 42 2 other signatures 2->42 7 PO20200716-July.exe 5 2->7         started        10 pcalua.exe 1 2->10         started        12 pcalua.exe 1 1 2->12         started        process3 file4 28 C:\Users\user\AppData\Roaming\filename1.exe, PE32 7->28 dropped 30 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->30 dropped 32 C:\Users\...\filename1.exe:Zone.Identifier, ASCII 7->32 dropped 34 C:\Users\user\...\PO20200716-July.exe.log, ASCII 7->34 dropped 14 filename1.exe 7->14         started        17 cmd.exe 1 7->17         started        19 filename1.exe 1 10->19         started        process5 signatures6 50 Writes to foreign memory regions 14->50 52 Allocates memory in foreign processes 14->52 54 Injects a PE file into a foreign processes 14->54 21 InstallUtil.exe 2 14->21         started        24 reg.exe 1 1 17->24         started        26 conhost.exe 17->26         started        56 Multi AV Scanner detection for dropped file 19->56 58 Machine Learning detection for dropped file 19->58 process7 signatures8 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 21->46 48 Creates an autostart registry key pointing to binary in C:\Windows 24->48
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2020-07-16 07:20:43 UTC
AV detection:
36 of 48 (75.00%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
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 95cc09bf84b557baa4ce240a6034d1169e12f4268bf9041c4116f149f7603afe

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments