Analysis
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max time kernel
272s -
max time network
354s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 10:01
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
General
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Target
file.exe
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Size
205KB
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MD5
72a850ada8fcec699d6a0303642306f6
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SHA1
65ec94dc7a0c51f2fb2600cb04c7f8fceef03d37
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SHA256
2a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4
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SHA512
5a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea
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SSDEEP
3072:CYM9bmaFPDXbh5exdKjNyTZybzhWSGEVCEKRZMHPjUCkD5KwNCwUNmvpX+snId/V:oJDXj6y3YSzwEsiUCkDEQCEvZnId/
Malware Config
Extracted
amadey
3.50
31.41.244.17/hfk3vK9/index.php
Signatures
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Detect Amadey credential stealer module 6 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module behavioral1/memory/1632-78-0x0000000000690000-0x00000000006B4000-memory.dmp amadey_cred_module -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 6 1632 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
gntuud.exegntuud.exepid process 1768 gntuud.exe 1996 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exerundll32.exepid process 1468 file.exe 1468 file.exe 1632 rundll32.exe 1632 rundll32.exe 1632 rundll32.exe 1632 rundll32.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exepid process 1632 rundll32.exe 1632 rundll32.exe 1632 rundll32.exe 1632 rundll32.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
file.exegntuud.exetaskeng.exedescription pid process target process PID 1468 wrote to memory of 1768 1468 file.exe gntuud.exe PID 1468 wrote to memory of 1768 1468 file.exe gntuud.exe PID 1468 wrote to memory of 1768 1468 file.exe gntuud.exe PID 1468 wrote to memory of 1768 1468 file.exe gntuud.exe PID 1768 wrote to memory of 1684 1768 gntuud.exe schtasks.exe PID 1768 wrote to memory of 1684 1768 gntuud.exe schtasks.exe PID 1768 wrote to memory of 1684 1768 gntuud.exe schtasks.exe PID 1768 wrote to memory of 1684 1768 gntuud.exe schtasks.exe PID 1768 wrote to memory of 1632 1768 gntuud.exe rundll32.exe PID 1768 wrote to memory of 1632 1768 gntuud.exe rundll32.exe PID 1768 wrote to memory of 1632 1768 gntuud.exe rundll32.exe PID 1768 wrote to memory of 1632 1768 gntuud.exe rundll32.exe PID 1768 wrote to memory of 1632 1768 gntuud.exe rundll32.exe PID 1768 wrote to memory of 1632 1768 gntuud.exe rundll32.exe PID 1768 wrote to memory of 1632 1768 gntuud.exe rundll32.exe PID 2008 wrote to memory of 1996 2008 taskeng.exe gntuud.exe PID 2008 wrote to memory of 1996 2008 taskeng.exe gntuud.exe PID 2008 wrote to memory of 1996 2008 taskeng.exe gntuud.exe PID 2008 wrote to memory of 1996 2008 taskeng.exe gntuud.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1468 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe" /F3⤵
- Creates scheduled task(s)
PID:1684 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
PID:1632
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C:\Windows\system32\taskeng.exetaskeng.exe {799BA882-DE73-47CA-9432-547B4C14B39A} S-1-5-21-1214520366-621468234-4062160515-1000:VDWSWJJD\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
PID:1996
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD572a850ada8fcec699d6a0303642306f6
SHA165ec94dc7a0c51f2fb2600cb04c7f8fceef03d37
SHA2562a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4
SHA5125a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD572a850ada8fcec699d6a0303642306f6
SHA165ec94dc7a0c51f2fb2600cb04c7f8fceef03d37
SHA2562a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4
SHA5125a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD572a850ada8fcec699d6a0303642306f6
SHA165ec94dc7a0c51f2fb2600cb04c7f8fceef03d37
SHA2562a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4
SHA5125a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea
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C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD572a850ada8fcec699d6a0303642306f6
SHA165ec94dc7a0c51f2fb2600cb04c7f8fceef03d37
SHA2562a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4
SHA5125a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea
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\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD572a850ada8fcec699d6a0303642306f6
SHA165ec94dc7a0c51f2fb2600cb04c7f8fceef03d37
SHA2562a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4
SHA5125a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea
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\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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memory/1468-62-0x0000000000B8B000-0x0000000000BAA000-memory.dmpFilesize
124KB
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memory/1468-54-0x0000000074E61000-0x0000000074E63000-memory.dmpFilesize
8KB
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memory/1468-63-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1468-57-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1468-55-0x0000000000B8B000-0x0000000000BAA000-memory.dmpFilesize
124KB
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memory/1468-56-0x00000000002B0000-0x00000000002EE000-memory.dmpFilesize
248KB
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memory/1632-78-0x0000000000690000-0x00000000006B4000-memory.dmpFilesize
144KB
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memory/1632-71-0x0000000000000000-mapping.dmp
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memory/1684-67-0x0000000000000000-mapping.dmp
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memory/1768-70-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1768-69-0x0000000000BDB000-0x0000000000BFA000-memory.dmpFilesize
124KB
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memory/1768-66-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1768-65-0x0000000000BDB000-0x0000000000BFA000-memory.dmpFilesize
124KB
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memory/1768-60-0x0000000000000000-mapping.dmp
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memory/1996-79-0x0000000000000000-mapping.dmp
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memory/1996-82-0x0000000000C1B000-0x0000000000C3A000-memory.dmpFilesize
124KB
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memory/1996-83-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB