Analysis
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max time kernel
135s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
24-09-2024 12:57
Static task
static1
Behavioral task
behavioral1
Sample
Proforma Invoice.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Proforma Invoice.exe
Resource
win10v2004-20240910-en
General
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Target
Proforma Invoice.exe
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Size
708KB
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MD5
ce283c28a7441d2197b14faad7eccb38
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SHA1
805e2221564dda4603cb6975c1ac51cd50afa030
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SHA256
ba9c641828f465a988c43c858463602faadc4bc688b5b58d9a80bd25fd45a4d6
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SHA512
8d4659f08858799b2fc51d15887b562597c8cbc489bd5e44bf0dad1ff8ffbcfaa537b6a41b5150cca3e0792c5836574ac251ebe76741c60c7ba2858d08b79d5e
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SSDEEP
12288:AEGPYMScPFtEGTaxF+gIAtF5O0JwFK1ftPLAJu9douc7N:zGPdnXaKpsT2A257N
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
PUBLIC12345.@!!@
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 5 IoCs
resource yara_rule behavioral1/memory/1028-20-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/1028-21-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/1028-24-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/1028-26-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/1028-27-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla -
Executes dropped EXE 2 IoCs
pid Process 2972 Skvpe.exe 1028 Skvpe.exe -
Loads dropped DLL 2 IoCs
pid Process 2728 powershell.exe 2972 Skvpe.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Skvpe.exe Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Skvpe.exe Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Skvpe.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\SkypeSetup = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Skvpe.exe" reg.exe -
pid Process 2728 powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2972 set thread context of 1028 2972 Skvpe.exe 37 -
Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Skvpe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Skvpe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Proforma Invoice.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs
Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.
pid Process 2108 netsh.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2528 Proforma Invoice.exe 2528 Proforma Invoice.exe 2528 Proforma Invoice.exe 2528 Proforma Invoice.exe 2728 powershell.exe 2728 powershell.exe 2728 powershell.exe 2972 Skvpe.exe 2972 Skvpe.exe 2972 Skvpe.exe 1028 Skvpe.exe 1028 Skvpe.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2528 Proforma Invoice.exe Token: SeDebugPrivilege 2728 powershell.exe Token: SeDebugPrivilege 2972 Skvpe.exe Token: SeDebugPrivilege 1028 Skvpe.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1028 Skvpe.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 2528 wrote to memory of 2460 2528 Proforma Invoice.exe 31 PID 2528 wrote to memory of 2460 2528 Proforma Invoice.exe 31 PID 2528 wrote to memory of 2460 2528 Proforma Invoice.exe 31 PID 2528 wrote to memory of 2460 2528 Proforma Invoice.exe 31 PID 2460 wrote to memory of 744 2460 cmd.exe 33 PID 2460 wrote to memory of 744 2460 cmd.exe 33 PID 2460 wrote to memory of 744 2460 cmd.exe 33 PID 2460 wrote to memory of 744 2460 cmd.exe 33 PID 2528 wrote to memory of 2728 2528 Proforma Invoice.exe 34 PID 2528 wrote to memory of 2728 2528 Proforma Invoice.exe 34 PID 2528 wrote to memory of 2728 2528 Proforma Invoice.exe 34 PID 2528 wrote to memory of 2728 2528 Proforma Invoice.exe 34 PID 2728 wrote to memory of 2972 2728 powershell.exe 36 PID 2728 wrote to memory of 2972 2728 powershell.exe 36 PID 2728 wrote to memory of 2972 2728 powershell.exe 36 PID 2728 wrote to memory of 2972 2728 powershell.exe 36 PID 2728 wrote to memory of 2972 2728 powershell.exe 36 PID 2728 wrote to memory of 2972 2728 powershell.exe 36 PID 2728 wrote to memory of 2972 2728 powershell.exe 36 PID 2972 wrote to memory of 1028 2972 Skvpe.exe 37 PID 2972 wrote to memory of 1028 2972 Skvpe.exe 37 PID 2972 wrote to memory of 1028 2972 Skvpe.exe 37 PID 2972 wrote to memory of 1028 2972 Skvpe.exe 37 PID 2972 wrote to memory of 1028 2972 Skvpe.exe 37 PID 2972 wrote to memory of 1028 2972 Skvpe.exe 37 PID 2972 wrote to memory of 1028 2972 Skvpe.exe 37 PID 2972 wrote to memory of 1028 2972 Skvpe.exe 37 PID 2972 wrote to memory of 1028 2972 Skvpe.exe 37 PID 2972 wrote to memory of 1028 2972 Skvpe.exe 37 PID 2972 wrote to memory of 1028 2972 Skvpe.exe 37 PID 2972 wrote to memory of 1028 2972 Skvpe.exe 37 PID 1028 wrote to memory of 2108 1028 Skvpe.exe 39 PID 1028 wrote to memory of 2108 1028 Skvpe.exe 39 PID 1028 wrote to memory of 2108 1028 Skvpe.exe 39 PID 1028 wrote to memory of 2108 1028 Skvpe.exe 39 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Skvpe.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Skvpe.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v SkypeSetup /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2460 -
C:\Windows\SysWOW64\reg.exeREG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v SkypeSetup /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe"3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:744
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe2⤵
- Loads dropped DLL
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe"4⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1028 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile5⤵
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Wi-Fi Discovery
PID:2108
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
708KB
MD5ce283c28a7441d2197b14faad7eccb38
SHA1805e2221564dda4603cb6975c1ac51cd50afa030
SHA256ba9c641828f465a988c43c858463602faadc4bc688b5b58d9a80bd25fd45a4d6
SHA5128d4659f08858799b2fc51d15887b562597c8cbc489bd5e44bf0dad1ff8ffbcfaa537b6a41b5150cca3e0792c5836574ac251ebe76741c60c7ba2858d08b79d5e