Analysis
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max time kernel
95s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2024 15:47
Static task
static1
Behavioral task
behavioral1
Sample
f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe
Resource
win10v2004-20240802-en
General
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Target
f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe
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Size
1.2MB
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MD5
addcd85e0126e63e46da09eb8ea97120
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SHA1
ebebe21e94179e1e4890298c10909b356a11f2db
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SHA256
f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325
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SHA512
457b2c6ed8fd43789afc9e75ea3f92f4c1c829aa341df10665c05621af5f1ce6185a58fe1f68524a8733368360e5b372247e40b0f8f498be930065d18789e7a1
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SSDEEP
24576:ZhntGx9yVf41ob4s6ABttGZOATIZXTnR1a3f:ntGZ1oEEbG8xXja3f
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/3600-37-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/3600-39-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/3600-38-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/3156-50-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3156-49-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3156-52-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2516-54-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2516-55-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2516-62-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 6 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/3600-37-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/3600-39-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/3600-38-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/3156-50-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3156-49-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3156-52-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/3600-37-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/3600-39-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/3600-38-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/2516-54-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2516-55-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2516-62-0x0000000000400000-0x0000000000458000-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe -
Executes dropped EXE 2 IoCs
pid Process 4928 magert.exe 3600 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-1-5-21-786284298-625481688-3210388970-1000\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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\Music\\magert.exe" f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.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 45 whatismyipaddress.com 47 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4928 set thread context of 3600 4928 magert.exe 92 PID 3600 set thread context of 3156 3600 magert.exe 93 PID 3600 set thread context of 2516 3600 magert.exe 94 -
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 vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.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 1320 f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe 1320 f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe 1320 f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe 1320 f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe 1320 f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe 1320 f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe 4928 magert.exe 4928 magert.exe 4928 magert.exe 4928 magert.exe 4928 magert.exe 4928 magert.exe 2516 vbc.exe 2516 vbc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1320 f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe Token: SeDebugPrivilege 4928 magert.exe Token: SeDebugPrivilege 3600 magert.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3600 magert.exe -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 1320 wrote to memory of 4928 1320 f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe 89 PID 1320 wrote to memory of 4928 1320 f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe 89 PID 1320 wrote to memory of 4928 1320 f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe 89 PID 4928 wrote to memory of 3600 4928 magert.exe 92 PID 4928 wrote to memory of 3600 4928 magert.exe 92 PID 4928 wrote to memory of 3600 4928 magert.exe 92 PID 4928 wrote to memory of 3600 4928 magert.exe 92 PID 4928 wrote to memory of 3600 4928 magert.exe 92 PID 4928 wrote to memory of 3600 4928 magert.exe 92 PID 4928 wrote to memory of 3600 4928 magert.exe 92 PID 4928 wrote to memory of 3600 4928 magert.exe 92 PID 3600 wrote to memory of 3156 3600 magert.exe 93 PID 3600 wrote to memory of 3156 3600 magert.exe 93 PID 3600 wrote to memory of 3156 3600 magert.exe 93 PID 3600 wrote to memory of 3156 3600 magert.exe 93 PID 3600 wrote to memory of 3156 3600 magert.exe 93 PID 3600 wrote to memory of 3156 3600 magert.exe 93 PID 3600 wrote to memory of 3156 3600 magert.exe 93 PID 3600 wrote to memory of 3156 3600 magert.exe 93 PID 3600 wrote to memory of 3156 3600 magert.exe 93 PID 3600 wrote to memory of 2516 3600 magert.exe 94 PID 3600 wrote to memory of 2516 3600 magert.exe 94 PID 3600 wrote to memory of 2516 3600 magert.exe 94 PID 3600 wrote to memory of 2516 3600 magert.exe 94 PID 3600 wrote to memory of 2516 3600 magert.exe 94 PID 3600 wrote to memory of 2516 3600 magert.exe 94 PID 3600 wrote to memory of 2516 3600 magert.exe 94 PID 3600 wrote to memory of 2516 3600 magert.exe 94 PID 3600 wrote to memory of 2516 3600 magert.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.exe"C:\Users\Admin\AppData\Local\Temp\f33dbcce01d8212b7e73275d06170b98eac9bf428eeb1a1fdd0010a44243e325N.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:1320 -
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:4928 -
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:3600 -
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:3156
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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:2516
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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
1.2MB
MD58b6b06d7b55d0b8f82e928ff9aedabd2
SHA122d4f3292e8904038c9f3bd0adb8c12d36d94204
SHA2564f089acf37bedc38a100632de0e644659b70e2f5ece91e7649afd385baa4ab41
SHA512955cb099aff2e4a57144b9718e651605275624f03f03e7077030f64864770094dcb69440ec117668347b85c9f4d7d22ce29db503e4e33a0052d57cccb9fbd362