Analysis
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max time kernel
117s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 11:47
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
General
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Target
file.exe
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Size
208KB
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MD5
3e21f9049be03c7dd0bb1d9b18f38e89
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SHA1
e66aecadddce4cfd1188fbef5c46345dd9216604
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SHA256
15a925076bfe22876522e2042abc851c01a70ec4eff001caf63241f68a87c5f1
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SHA512
bf1b6dcc9d783e3e67e0f33ea67dbb8d33a8544b9ee813eb27b2ef3902c3644e11c590c31db7ed29baa1ac8278f5ef21bcdab93ecf26d0b9ec653c0c7b734f47
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SSDEEP
3072:+PdWwqAPIilDvJOXW5QUuk6fPL3o8xmmX0RCNdkjwx3PxFJV9qcZFI6NP:0+cbJODeshxl08DRxfxFRhZFnt
Malware Config
Extracted
amadey
3.50
31.41.244.17/hfk3vK9/index.php
Signatures
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Detect Amadey credential stealer module 5 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 -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 5 1488 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 1704 gntuud.exe 1888 gntuud.exe 1960 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exerundll32.exepid process 1456 file.exe 1456 file.exe 1488 rundll32.exe 1488 rundll32.exe 1488 rundll32.exe 1488 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-1-5-21-4063495947-34355257-727531523-1000\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 2 IoCs
Processes:
rundll32.exepid process 1488 rundll32.exe 1488 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
file.exegntuud.exetaskeng.exedescription pid process target process PID 1456 wrote to memory of 1704 1456 file.exe gntuud.exe PID 1456 wrote to memory of 1704 1456 file.exe gntuud.exe PID 1456 wrote to memory of 1704 1456 file.exe gntuud.exe PID 1456 wrote to memory of 1704 1456 file.exe gntuud.exe PID 1704 wrote to memory of 916 1704 gntuud.exe schtasks.exe PID 1704 wrote to memory of 916 1704 gntuud.exe schtasks.exe PID 1704 wrote to memory of 916 1704 gntuud.exe schtasks.exe PID 1704 wrote to memory of 916 1704 gntuud.exe schtasks.exe PID 1704 wrote to memory of 1488 1704 gntuud.exe rundll32.exe PID 1704 wrote to memory of 1488 1704 gntuud.exe rundll32.exe PID 1704 wrote to memory of 1488 1704 gntuud.exe rundll32.exe PID 1704 wrote to memory of 1488 1704 gntuud.exe rundll32.exe PID 1704 wrote to memory of 1488 1704 gntuud.exe rundll32.exe PID 1704 wrote to memory of 1488 1704 gntuud.exe rundll32.exe PID 1704 wrote to memory of 1488 1704 gntuud.exe rundll32.exe PID 288 wrote to memory of 1888 288 taskeng.exe gntuud.exe PID 288 wrote to memory of 1888 288 taskeng.exe gntuud.exe PID 288 wrote to memory of 1888 288 taskeng.exe gntuud.exe PID 288 wrote to memory of 1888 288 taskeng.exe gntuud.exe PID 288 wrote to memory of 1960 288 taskeng.exe gntuud.exe PID 288 wrote to memory of 1960 288 taskeng.exe gntuud.exe PID 288 wrote to memory of 1960 288 taskeng.exe gntuud.exe PID 288 wrote to memory of 1960 288 taskeng.exe gntuud.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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
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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
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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)
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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
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C:\Windows\system32\taskeng.exetaskeng.exe {EEDC4433-E593-4444-9B5A-8B899883D4F1} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
208KB
MD53e21f9049be03c7dd0bb1d9b18f38e89
SHA1e66aecadddce4cfd1188fbef5c46345dd9216604
SHA25615a925076bfe22876522e2042abc851c01a70ec4eff001caf63241f68a87c5f1
SHA512bf1b6dcc9d783e3e67e0f33ea67dbb8d33a8544b9ee813eb27b2ef3902c3644e11c590c31db7ed29baa1ac8278f5ef21bcdab93ecf26d0b9ec653c0c7b734f47
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
208KB
MD53e21f9049be03c7dd0bb1d9b18f38e89
SHA1e66aecadddce4cfd1188fbef5c46345dd9216604
SHA25615a925076bfe22876522e2042abc851c01a70ec4eff001caf63241f68a87c5f1
SHA512bf1b6dcc9d783e3e67e0f33ea67dbb8d33a8544b9ee813eb27b2ef3902c3644e11c590c31db7ed29baa1ac8278f5ef21bcdab93ecf26d0b9ec653c0c7b734f47
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
208KB
MD53e21f9049be03c7dd0bb1d9b18f38e89
SHA1e66aecadddce4cfd1188fbef5c46345dd9216604
SHA25615a925076bfe22876522e2042abc851c01a70ec4eff001caf63241f68a87c5f1
SHA512bf1b6dcc9d783e3e67e0f33ea67dbb8d33a8544b9ee813eb27b2ef3902c3644e11c590c31db7ed29baa1ac8278f5ef21bcdab93ecf26d0b9ec653c0c7b734f47
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
208KB
MD53e21f9049be03c7dd0bb1d9b18f38e89
SHA1e66aecadddce4cfd1188fbef5c46345dd9216604
SHA25615a925076bfe22876522e2042abc851c01a70ec4eff001caf63241f68a87c5f1
SHA512bf1b6dcc9d783e3e67e0f33ea67dbb8d33a8544b9ee813eb27b2ef3902c3644e11c590c31db7ed29baa1ac8278f5ef21bcdab93ecf26d0b9ec653c0c7b734f47
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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
208KB
MD53e21f9049be03c7dd0bb1d9b18f38e89
SHA1e66aecadddce4cfd1188fbef5c46345dd9216604
SHA25615a925076bfe22876522e2042abc851c01a70ec4eff001caf63241f68a87c5f1
SHA512bf1b6dcc9d783e3e67e0f33ea67dbb8d33a8544b9ee813eb27b2ef3902c3644e11c590c31db7ed29baa1ac8278f5ef21bcdab93ecf26d0b9ec653c0c7b734f47
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\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
208KB
MD53e21f9049be03c7dd0bb1d9b18f38e89
SHA1e66aecadddce4cfd1188fbef5c46345dd9216604
SHA25615a925076bfe22876522e2042abc851c01a70ec4eff001caf63241f68a87c5f1
SHA512bf1b6dcc9d783e3e67e0f33ea67dbb8d33a8544b9ee813eb27b2ef3902c3644e11c590c31db7ed29baa1ac8278f5ef21bcdab93ecf26d0b9ec653c0c7b734f47
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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/916-63-0x0000000000000000-mapping.dmp
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memory/1456-60-0x0000000000230000-0x000000000026E000-memory.dmpFilesize
248KB
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memory/1456-61-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/1456-54-0x0000000075B51000-0x0000000075B53000-memory.dmpFilesize
8KB
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memory/1456-59-0x000000000062D000-0x000000000064C000-memory.dmpFilesize
124KB
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memory/1488-68-0x0000000000000000-mapping.dmp
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memory/1704-57-0x0000000000000000-mapping.dmp
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memory/1704-67-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/1704-66-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/1704-65-0x000000000051D000-0x000000000053C000-memory.dmpFilesize
124KB
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memory/1888-75-0x0000000000000000-mapping.dmp
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memory/1888-79-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/1888-78-0x00000000005DD000-0x00000000005FC000-memory.dmpFilesize
124KB
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memory/1960-80-0x0000000000000000-mapping.dmp
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memory/1960-83-0x000000000062D000-0x000000000064C000-memory.dmpFilesize
124KB
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memory/1960-84-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB