Analysis
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max time kernel
112s -
max time network
104s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-12-2024 06:59
Static task
static1
Behavioral task
behavioral1
Sample
acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe
Resource
win10v2004-20241007-en
General
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Target
acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe
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Size
1.1MB
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MD5
f17541c37cd429e19841423923d9b710
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SHA1
256d9b340fb5dd96e3143ec76c76d8c66d877f4b
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SHA256
acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91
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SHA512
1e70278613ab0684933a2fc60c413c2adcf9f00ce0bfeccd2395733f1ac45654bd3e51649a1877ce7457153151c7f770150aee67cc46f90b740ce7597bd71edc
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SSDEEP
24576:tUktJwwEPcHc2bDCn4bQAKg9Iwv1b8QW5AeIG3Z09CW:tfFEUBb2HAtNmZ0QW
Malware Config
Extracted
Protocol: ftp- Host:
panel.freehosting.com - Port:
21 - Username:
bilonocc - Password:
VtZu7za518
Signatures
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Hawkeye family
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Detected Nirsoft tools 6 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/2840-53-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2840-54-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2840-56-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3984-62-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3984-63-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3984-70-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/2840-53-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2840-54-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2840-56-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/3984-62-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3984-63-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3984-70-0x0000000000400000-0x0000000000458000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe -
Executes dropped EXE 3 IoCs
pid Process 2856 mass.exe 1200 WindowsDataC.exe 1504 RunIt.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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsDataC.exe = "C:\\ProgramData\\WindowsDataC.exe" acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rnts.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Rnts.exe" RunIt.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" mass.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini mass.exe File opened for modification C:\Windows\assembly\Desktop.ini mass.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 8 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2856 set thread context of 2840 2856 mass.exe 88 PID 2856 set thread context of 3984 2856 mass.exe 97 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly mass.exe File created C:\Windows\assembly\Desktop.ini mass.exe File opened for modification C:\Windows\assembly\Desktop.ini mass.exe -
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 6 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 WindowsDataC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mass.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RunIt.exe 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 acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3984 vbc.exe 3984 vbc.exe 2856 mass.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2856 mass.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2856 mass.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 3344 wrote to memory of 2856 3344 acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe 84 PID 3344 wrote to memory of 2856 3344 acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe 84 PID 3344 wrote to memory of 2856 3344 acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe 84 PID 3344 wrote to memory of 1200 3344 acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe 83 PID 3344 wrote to memory of 1200 3344 acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe 83 PID 3344 wrote to memory of 1200 3344 acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe 83 PID 3344 wrote to memory of 1504 3344 acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe 85 PID 3344 wrote to memory of 1504 3344 acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe 85 PID 3344 wrote to memory of 1504 3344 acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe 85 PID 2856 wrote to memory of 2840 2856 mass.exe 88 PID 2856 wrote to memory of 2840 2856 mass.exe 88 PID 2856 wrote to memory of 2840 2856 mass.exe 88 PID 2856 wrote to memory of 2840 2856 mass.exe 88 PID 2856 wrote to memory of 2840 2856 mass.exe 88 PID 2856 wrote to memory of 2840 2856 mass.exe 88 PID 2856 wrote to memory of 2840 2856 mass.exe 88 PID 2856 wrote to memory of 2840 2856 mass.exe 88 PID 2856 wrote to memory of 2840 2856 mass.exe 88 PID 2856 wrote to memory of 3984 2856 mass.exe 97 PID 2856 wrote to memory of 3984 2856 mass.exe 97 PID 2856 wrote to memory of 3984 2856 mass.exe 97 PID 2856 wrote to memory of 3984 2856 mass.exe 97 PID 2856 wrote to memory of 3984 2856 mass.exe 97 PID 2856 wrote to memory of 3984 2856 mass.exe 97 PID 2856 wrote to memory of 3984 2856 mass.exe 97 PID 2856 wrote to memory of 3984 2856 mass.exe 97 PID 2856 wrote to memory of 3984 2856 mass.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe"C:\Users\Admin\AppData\Local\Temp\acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3344 -
C:\ProgramData\WindowsDataC.exe"C:\ProgramData\WindowsDataC.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1200
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C:\Users\Admin\AppData\Local\Temp\mass.exe"C:\Users\Admin\AppData\Local\Temp\mass.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2856 -
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"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2840
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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"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3984
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C:\Users\Admin\AppData\Local\Temp\RunIt.exe"C:\Users\Admin\AppData\Local\Temp\RunIt.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:1504
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.1MB
MD5f17541c37cd429e19841423923d9b710
SHA1256d9b340fb5dd96e3143ec76c76d8c66d877f4b
SHA256acbe388dc869bfd90eb95a39428ca06098fe128d27763b240b491e5d8ae38e91
SHA5121e70278613ab0684933a2fc60c413c2adcf9f00ce0bfeccd2395733f1ac45654bd3e51649a1877ce7457153151c7f770150aee67cc46f90b740ce7597bd71edc
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Filesize
143KB
MD5d067619856f7f3079375960f62b99369
SHA1964d548557dec3aa8e851526b71adca4b4ddbfd5
SHA2569770561d2a27dbc16c230fe88af51f718d7d6274fcd63a3f109c381be848b4a9
SHA5121ec891082ac133833217ce8314f6d163451c5554b789cbf8a5ff0d5ebd0b55a7ec49ea5c408bf784e6952a37526de9e77e6c39b9a4ea3b950c3fda44e7f973b8
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Filesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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Filesize
504KB
MD53ea7b41454657d41adff1ba962573129
SHA1255e0692831c8dbd58c557568542960a89fe22c4
SHA256156c5d265cbee259bf471673f827171469de08098022c6c5d54813dbd479a5b6
SHA5125cba2187eaebcf34e0ddc9feea638a3e47350427076738cb9ee24532cf5189fb5c4e26f84f966600caac36ef49cb4c79e90f4ed995398f59fb2a4a62d4509b62