Analysis
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max time kernel
102s -
max time network
113s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2024 23:19
Static task
static1
Behavioral task
behavioral1
Sample
f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe
Resource
win10v2004-20240910-en
General
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Target
f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe
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Size
1.1MB
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MD5
f058ebdf6fb882fc9d7bd7d2aa953800
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SHA1
c5665946feacde99531066db80e07d59ed55db3d
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SHA256
f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132f
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SHA512
f76128da6771c72e95f98a56497f7bb19d38079d28dc449a74434220c5049397a82801f6f0624c4bb9571451af17ccc069855c93b75670a8f3f29fa068f79392
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SSDEEP
24576:KhntGx9yVf41ob4s6ABttGZOATIZXTnR13/JtlvL:utGZ1oEEbG8xXjND
Malware Config
Extracted
Protocol: smtp- Host:
smtp.zoho.com - Port:
587 - Username:
[email protected] - Password:
Diego1986
Signatures
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Detected Nirsoft tools 9 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/4528-37-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/4528-39-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/4528-38-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/5032-50-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/5032-51-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/5032-53-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/116-55-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/116-56-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/116-63-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 6 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/4528-37-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/4528-39-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/4528-38-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/5032-50-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/5032-51-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/5032-53-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/4528-37-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/4528-39-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/4528-38-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/116-55-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/116-56-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/116-63-0x0000000000400000-0x0000000000458000-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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe -
Executes dropped EXE 2 IoCs
pid Process 1828 magert.exe 4528 magert.exe -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\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-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\Music\\magert.exe" f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.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 49 whatismyipaddress.com 51 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1828 set thread context of 4528 1828 magert.exe 98 PID 4528 set thread context of 5032 4528 magert.exe 101 PID 4528 set thread context of 116 4528 magert.exe 102 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language magert.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language magert.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1748 f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe 1748 f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe 1748 f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe 1748 f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe 1748 f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe 1748 f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe 1828 magert.exe 1828 magert.exe 1828 magert.exe 1828 magert.exe 1828 magert.exe 1828 magert.exe 116 vbc.exe 116 vbc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1748 f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe Token: SeDebugPrivilege 1828 magert.exe Token: SeDebugPrivilege 4528 magert.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4528 magert.exe -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 1748 wrote to memory of 1828 1748 f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe 94 PID 1748 wrote to memory of 1828 1748 f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe 94 PID 1748 wrote to memory of 1828 1748 f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe 94 PID 1828 wrote to memory of 4528 1828 magert.exe 98 PID 1828 wrote to memory of 4528 1828 magert.exe 98 PID 1828 wrote to memory of 4528 1828 magert.exe 98 PID 1828 wrote to memory of 4528 1828 magert.exe 98 PID 1828 wrote to memory of 4528 1828 magert.exe 98 PID 1828 wrote to memory of 4528 1828 magert.exe 98 PID 1828 wrote to memory of 4528 1828 magert.exe 98 PID 1828 wrote to memory of 4528 1828 magert.exe 98 PID 4528 wrote to memory of 5032 4528 magert.exe 101 PID 4528 wrote to memory of 5032 4528 magert.exe 101 PID 4528 wrote to memory of 5032 4528 magert.exe 101 PID 4528 wrote to memory of 5032 4528 magert.exe 101 PID 4528 wrote to memory of 5032 4528 magert.exe 101 PID 4528 wrote to memory of 5032 4528 magert.exe 101 PID 4528 wrote to memory of 5032 4528 magert.exe 101 PID 4528 wrote to memory of 5032 4528 magert.exe 101 PID 4528 wrote to memory of 5032 4528 magert.exe 101 PID 4528 wrote to memory of 116 4528 magert.exe 102 PID 4528 wrote to memory of 116 4528 magert.exe 102 PID 4528 wrote to memory of 116 4528 magert.exe 102 PID 4528 wrote to memory of 116 4528 magert.exe 102 PID 4528 wrote to memory of 116 4528 magert.exe 102 PID 4528 wrote to memory of 116 4528 magert.exe 102 PID 4528 wrote to memory of 116 4528 magert.exe 102 PID 4528 wrote to memory of 116 4528 magert.exe 102 PID 4528 wrote to memory of 116 4528 magert.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.exe"C:\Users\Admin\AppData\Local\Temp\f8741a9d99f0d8b31a5892687ffa397accfe96c964413435b2afe13abe4a132fN.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:1748 -
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:1828 -
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:4528 -
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:5032
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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:116
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
526B
MD50b25f9f358a722369479cecdb0bfdfd4
SHA10e5e586dc2387f8492dc7bb8b9ba17cce90ba6fb
SHA25697e51099c3c8b24d92ae0f8c0241b3477e52127f0da5f89175c56abc202196c7
SHA5125f91fcd8822aa8e74566dc4b89af55e9f539aab19dc11cb450c13baa846e494b9f27954cce8626c867177b43e76be03a631c58e29be41b7bdad61576f5b8378b
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Filesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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Filesize
1.1MB
MD50856f697a43b6180d6baca7154c17379
SHA15443fbdefe2a95e3ae8306a716028b8c4bfb06dc
SHA256aeb7e903b6a45c1eae7366947d0f665ee459e074252ffeb9ab76470a3c94e4ab
SHA5122b47cfbfdb163073971b47e37ce18300ca636006973c65c74c9f4b47d87616bf90510d19c86cc08ac95491e0992b39bbcb0f7c8002459a72263d898a27c6f1e4