Analysis
- max time kernel
148s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
15/10/2024, 23:24
Static task
static1
Behavioral task
behavioral1
Sample
757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe
Resource
win10v2004-20241007-en
General
- Target 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe
- Size 1.2MB
- Sample241015-3d6rwasdmd
- SHA256 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c
- MD5 396e7c70e5f68c938644adaa74095206
- SHA1 061ea1ea2827c889ff11b9898af442c8319fffbf
- SHA512 f7c896b5b8bf809f2d94eda30248e40098befb70954bf8a0eb99a0de787039139984e0be08a50c4bf49921e0478311bcdf6883e5f532dc33b046cd50fede760b
- SSDEEP 24576:yhntGx9yVf41ob4s6ABttGZOATIZXTnR1a34:2tGZ1oEEbG8xXja34
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.zoho.com
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Port
587
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Username
-
Password
Diego1986
Signatures
- Detected Nirsoft tools 9 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/1612-35-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/1612-37-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/1612-36-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/612-47-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/612-48-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/612-50-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4648-52-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4648-53-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4648-60-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft - NirSoft MailPassView 6 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/1612-35-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/1612-37-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/1612-36-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/612-47-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/612-48-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/612-50-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView - NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/1612-35-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/1612-37-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/1612-36-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/4648-52-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4648-53-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4648-60-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe - Executes dropped EXE 2 IoCs
pid Process 2584 magert.exe 1612 magert.exe - Uses the VBS compiler for execution 1 TTPs
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\Music\\magert.exe" 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 51 whatismyipaddress.com 53 whatismyipaddress.com - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2584 set thread context of 1612 2584 magert.exe 98 PID 1612 set thread context of 612 1612 magert.exe 100 PID 1612 set thread context of 4648 1612 magert.exe 101 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 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 vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language magert.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language magert.exe - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4136 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe 4136 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe 4136 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe 4136 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe 4136 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe 4136 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe 2584 magert.exe 2584 magert.exe 2584 magert.exe 2584 magert.exe 2584 magert.exe 2584 magert.exe 4648 vbc.exe 4648 vbc.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4136 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe Token: SeDebugPrivilege 2584 magert.exe Token: SeDebugPrivilege 1612 magert.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1612 magert.exe - Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 4136 wrote to memory of 2584 4136 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe 94 PID 4136 wrote to memory of 2584 4136 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe 94 PID 4136 wrote to memory of 2584 4136 757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe 94 PID 2584 wrote to memory of 1612 2584 magert.exe 98 PID 2584 wrote to memory of 1612 2584 magert.exe 98 PID 2584 wrote to memory of 1612 2584 magert.exe 98 PID 2584 wrote to memory of 1612 2584 magert.exe 98 PID 2584 wrote to memory of 1612 2584 magert.exe 98 PID 2584 wrote to memory of 1612 2584 magert.exe 98 PID 2584 wrote to memory of 1612 2584 magert.exe 98 PID 2584 wrote to memory of 1612 2584 magert.exe 98 PID 1612 wrote to memory of 612 1612 magert.exe 100 PID 1612 wrote to memory of 612 1612 magert.exe 100 PID 1612 wrote to memory of 612 1612 magert.exe 100 PID 1612 wrote to memory of 612 1612 magert.exe 100 PID 1612 wrote to memory of 612 1612 magert.exe 100 PID 1612 wrote to memory of 612 1612 magert.exe 100 PID 1612 wrote to memory of 612 1612 magert.exe 100 PID 1612 wrote to memory of 612 1612 magert.exe 100 PID 1612 wrote to memory of 612 1612 magert.exe 100 PID 1612 wrote to memory of 4648 1612 magert.exe 101 PID 1612 wrote to memory of 4648 1612 magert.exe 101 PID 1612 wrote to memory of 4648 1612 magert.exe 101 PID 1612 wrote to memory of 4648 1612 magert.exe 101 PID 1612 wrote to memory of 4648 1612 magert.exe 101 PID 1612 wrote to memory of 4648 1612 magert.exe 101 PID 1612 wrote to memory of 4648 1612 magert.exe 101 PID 1612 wrote to memory of 4648 1612 magert.exe 101 PID 1612 wrote to memory of 4648 1612 magert.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe"C:\Users\Admin\AppData\Local\Temp\757302d6d87700d81bfc5c0f6db47b6982aa1b618c8ec5dfcc6bfccc6dac847c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4136 -
C:\Users\Admin\Music\magert.exe"C:\Users\Admin\Music\magert.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Users\Admin\Music\magert.exe"C:\Users\Admin\Music\magert.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"4⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:612
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4648
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\magert.exe.log
- Size 526B
- SHA256 97e51099c3c8b24d92ae0f8c0241b3477e52127f0da5f89175c56abc202196c7
- MD5 0b25f9f358a722369479cecdb0bfdfd4
- SHA1 0e5e586dc2387f8492dc7bb8b9ba17cce90ba6fb
- SHA512 5f91fcd8822aa8e74566dc4b89af55e9f539aab19dc11cb450c13baa846e494b9f27954cce8626c867177b43e76be03a631c58e29be41b7bdad61576f5b8378b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\holderwb.txt
- Size 3KB
- SHA256 a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
- MD5 f94dc819ca773f1e3cb27abbc9e7fa27
- SHA1 9a7700efadc5ea09ab288544ef1e3cd876255086
- SHA512 72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
- MD5 SHA1 SHA512
- Path C:\Users\Admin\Music\magert.exe
- Size 1.2MB
- SHA256 9bbf2d2e97de6c0137a736e05f5714ab2a7384fecfb7a593bff5265c63307bc6
- MD5 eccdc47e8e64b7d1ea7d30c370608abc
- SHA1 d1bd42a3e042bd5b4e7f21f58e8761bf49d14519
- SHA512 fefd27672c02ff6b50082e8712d9671dc3f1ffe43aa61216c41cdf5c57843641705b287ab238a50396bc9a56198fa651779cc86bdb409fa16c3ce514de6b51fe
- SSDEEP 24576:GhntGx9yVf41ob4s6ABttGZOATIZXTnR1a3i7:CtGZ1oEEbG8xXja3i7
- MD5 SHA1 SHA512 SSDEEP