Analysis
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max time kernel
111s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
08-07-2022 14:46
Static task
static1
Behavioral task
behavioral1
Sample
40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.exe
Resource
win10v2004-20220414-en
General
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Target
40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.exe
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Size
606KB
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MD5
f78631aca9bd9ab5becfb068ee6825df
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SHA1
3cc7c5dd9d19ce7f74874f49b24c29fe288ae2c8
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SHA256
40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649
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SHA512
246585388dbf4958e047deebbfc978e621f3da34f5e36f5a1cd34ccb2f264a4c47b4111a6e8c036ab3984ab55183058fc16904c12b13f0329cf483c5c17757e8
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
index.exeindex.exepid process 1960 index.exe 1728 index.exe -
Loads dropped DLL 1 IoCs
Processes:
40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.exepid process 664 40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
index.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 index.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 index.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 index.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\index = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\index.exe -boot" 40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.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.
Processes:
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
index.exedescription pid process target process PID 1960 set thread context of 1728 1960 index.exe index.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
index.exepid process 1728 index.exe 1728 index.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.exeindex.exeindex.exedescription pid process Token: SeDebugPrivilege 664 40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.exe Token: SeDebugPrivilege 1960 index.exe Token: SeDebugPrivilege 1728 index.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
index.exepid process 1728 index.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.exeindex.exedescription pid process target process PID 664 wrote to memory of 1960 664 40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.exe index.exe PID 664 wrote to memory of 1960 664 40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.exe index.exe PID 664 wrote to memory of 1960 664 40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.exe index.exe PID 664 wrote to memory of 1960 664 40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.exe index.exe PID 1960 wrote to memory of 1728 1960 index.exe index.exe PID 1960 wrote to memory of 1728 1960 index.exe index.exe PID 1960 wrote to memory of 1728 1960 index.exe index.exe PID 1960 wrote to memory of 1728 1960 index.exe index.exe PID 1960 wrote to memory of 1728 1960 index.exe index.exe PID 1960 wrote to memory of 1728 1960 index.exe index.exe PID 1960 wrote to memory of 1728 1960 index.exe index.exe PID 1960 wrote to memory of 1728 1960 index.exe index.exe PID 1960 wrote to memory of 1728 1960 index.exe index.exe -
outlook_office_path 1 IoCs
Processes:
index.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 index.exe -
outlook_win_path 1 IoCs
Processes:
index.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 index.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.exe"C:\Users\Admin\AppData\Local\Temp\40bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exeFilesize
606KB
MD5f78631aca9bd9ab5becfb068ee6825df
SHA13cc7c5dd9d19ce7f74874f49b24c29fe288ae2c8
SHA25640bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649
SHA512246585388dbf4958e047deebbfc978e621f3da34f5e36f5a1cd34ccb2f264a4c47b4111a6e8c036ab3984ab55183058fc16904c12b13f0329cf483c5c17757e8
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exeFilesize
606KB
MD5f78631aca9bd9ab5becfb068ee6825df
SHA13cc7c5dd9d19ce7f74874f49b24c29fe288ae2c8
SHA25640bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649
SHA512246585388dbf4958e047deebbfc978e621f3da34f5e36f5a1cd34ccb2f264a4c47b4111a6e8c036ab3984ab55183058fc16904c12b13f0329cf483c5c17757e8
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exeFilesize
606KB
MD5f78631aca9bd9ab5becfb068ee6825df
SHA13cc7c5dd9d19ce7f74874f49b24c29fe288ae2c8
SHA25640bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649
SHA512246585388dbf4958e047deebbfc978e621f3da34f5e36f5a1cd34ccb2f264a4c47b4111a6e8c036ab3984ab55183058fc16904c12b13f0329cf483c5c17757e8
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\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exeFilesize
606KB
MD5f78631aca9bd9ab5becfb068ee6825df
SHA13cc7c5dd9d19ce7f74874f49b24c29fe288ae2c8
SHA25640bbbba081d50d4f5662b2539d5622dca1bb4bc9e266b1caf7110bc6819aa649
SHA512246585388dbf4958e047deebbfc978e621f3da34f5e36f5a1cd34ccb2f264a4c47b4111a6e8c036ab3984ab55183058fc16904c12b13f0329cf483c5c17757e8
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memory/664-55-0x0000000074580000-0x0000000074B2B000-memory.dmpFilesize
5.7MB
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memory/664-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmpFilesize
8KB
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memory/664-61-0x0000000074580000-0x0000000074B2B000-memory.dmpFilesize
5.7MB
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memory/1728-66-0x0000000000400000-0x0000000000401000-memory.dmpFilesize
4KB
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memory/1728-64-0x0000000000402000-0x0000000000434000-memory.dmpFilesize
200KB
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memory/1728-67-0x0000000000400000-0x0000000000401000-memory.dmpFilesize
4KB
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memory/1728-69-0x0000000000402000-0x0000000000434000-memory.dmpFilesize
200KB
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memory/1728-71-0x0000000074580000-0x0000000074B2B000-memory.dmpFilesize
5.7MB
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memory/1728-73-0x0000000074580000-0x0000000074B2B000-memory.dmpFilesize
5.7MB
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memory/1960-63-0x0000000074580000-0x0000000074B2B000-memory.dmpFilesize
5.7MB
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memory/1960-62-0x0000000074580000-0x0000000074B2B000-memory.dmpFilesize
5.7MB
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memory/1960-57-0x0000000000000000-mapping.dmp
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memory/1960-72-0x0000000074580000-0x0000000074B2B000-memory.dmpFilesize
5.7MB