Analysis
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max time kernel
108s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 13:47
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
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Target
file.exe
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Size
205KB
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MD5
2b03701e3259fd362f04442f91b8f5f7
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SHA1
3ecaf59a196e8e32a3de3d995ade8c40b422039a
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SHA256
a0174067f15c860a690e420d44706d8bd39cd56194af465105026bd483efb047
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SHA512
d24b8e925b4833fdd115fdbf789696856c1e12bcae1b4eb11f68ad451b940c1b4ca0e9095b0ca14ee10f0d6b1ce209c318d5e8ecd04ddb53c812e79797e74300
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SSDEEP
3072:m2b00jnm7n50OL3ne1EjQ2i/TwH0FvlhFMTUaQ0Vc0MArxtx7:9PjnmWOjn/7+TwH8lh3Mu0MEJ
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/1880-81-0x0000000000200000-0x0000000000224000-memory.dmp amadey_cred_module -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 5 1880 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 1188 gntuud.exe 780 gntuud.exe 1700 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exerundll32.exepid process 1380 file.exe 1380 file.exe 1880 rundll32.exe 1880 rundll32.exe 1880 rundll32.exe 1880 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 4 IoCs
Processes:
rundll32.exepid process 1880 rundll32.exe 1880 rundll32.exe 1880 rundll32.exe 1880 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
file.exegntuud.exetaskeng.exedescription pid process target process PID 1380 wrote to memory of 1188 1380 file.exe gntuud.exe PID 1380 wrote to memory of 1188 1380 file.exe gntuud.exe PID 1380 wrote to memory of 1188 1380 file.exe gntuud.exe PID 1380 wrote to memory of 1188 1380 file.exe gntuud.exe PID 1188 wrote to memory of 1780 1188 gntuud.exe schtasks.exe PID 1188 wrote to memory of 1780 1188 gntuud.exe schtasks.exe PID 1188 wrote to memory of 1780 1188 gntuud.exe schtasks.exe PID 1188 wrote to memory of 1780 1188 gntuud.exe schtasks.exe PID 1580 wrote to memory of 780 1580 taskeng.exe gntuud.exe PID 1580 wrote to memory of 780 1580 taskeng.exe gntuud.exe PID 1580 wrote to memory of 780 1580 taskeng.exe gntuud.exe PID 1580 wrote to memory of 780 1580 taskeng.exe gntuud.exe PID 1188 wrote to memory of 1880 1188 gntuud.exe rundll32.exe PID 1188 wrote to memory of 1880 1188 gntuud.exe rundll32.exe PID 1188 wrote to memory of 1880 1188 gntuud.exe rundll32.exe PID 1188 wrote to memory of 1880 1188 gntuud.exe rundll32.exe PID 1188 wrote to memory of 1880 1188 gntuud.exe rundll32.exe PID 1188 wrote to memory of 1880 1188 gntuud.exe rundll32.exe PID 1188 wrote to memory of 1880 1188 gntuud.exe rundll32.exe PID 1580 wrote to memory of 1700 1580 taskeng.exe gntuud.exe PID 1580 wrote to memory of 1700 1580 taskeng.exe gntuud.exe PID 1580 wrote to memory of 1700 1580 taskeng.exe gntuud.exe PID 1580 wrote to memory of 1700 1580 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 {037A7B8E-D417-47CC-9F4D-46304CB7BBEE} 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
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Downloads
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD52b03701e3259fd362f04442f91b8f5f7
SHA13ecaf59a196e8e32a3de3d995ade8c40b422039a
SHA256a0174067f15c860a690e420d44706d8bd39cd56194af465105026bd483efb047
SHA512d24b8e925b4833fdd115fdbf789696856c1e12bcae1b4eb11f68ad451b940c1b4ca0e9095b0ca14ee10f0d6b1ce209c318d5e8ecd04ddb53c812e79797e74300
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD52b03701e3259fd362f04442f91b8f5f7
SHA13ecaf59a196e8e32a3de3d995ade8c40b422039a
SHA256a0174067f15c860a690e420d44706d8bd39cd56194af465105026bd483efb047
SHA512d24b8e925b4833fdd115fdbf789696856c1e12bcae1b4eb11f68ad451b940c1b4ca0e9095b0ca14ee10f0d6b1ce209c318d5e8ecd04ddb53c812e79797e74300
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD52b03701e3259fd362f04442f91b8f5f7
SHA13ecaf59a196e8e32a3de3d995ade8c40b422039a
SHA256a0174067f15c860a690e420d44706d8bd39cd56194af465105026bd483efb047
SHA512d24b8e925b4833fdd115fdbf789696856c1e12bcae1b4eb11f68ad451b940c1b4ca0e9095b0ca14ee10f0d6b1ce209c318d5e8ecd04ddb53c812e79797e74300
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD52b03701e3259fd362f04442f91b8f5f7
SHA13ecaf59a196e8e32a3de3d995ade8c40b422039a
SHA256a0174067f15c860a690e420d44706d8bd39cd56194af465105026bd483efb047
SHA512d24b8e925b4833fdd115fdbf789696856c1e12bcae1b4eb11f68ad451b940c1b4ca0e9095b0ca14ee10f0d6b1ce209c318d5e8ecd04ddb53c812e79797e74300
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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
MD52b03701e3259fd362f04442f91b8f5f7
SHA13ecaf59a196e8e32a3de3d995ade8c40b422039a
SHA256a0174067f15c860a690e420d44706d8bd39cd56194af465105026bd483efb047
SHA512d24b8e925b4833fdd115fdbf789696856c1e12bcae1b4eb11f68ad451b940c1b4ca0e9095b0ca14ee10f0d6b1ce209c318d5e8ecd04ddb53c812e79797e74300
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\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD52b03701e3259fd362f04442f91b8f5f7
SHA13ecaf59a196e8e32a3de3d995ade8c40b422039a
SHA256a0174067f15c860a690e420d44706d8bd39cd56194af465105026bd483efb047
SHA512d24b8e925b4833fdd115fdbf789696856c1e12bcae1b4eb11f68ad451b940c1b4ca0e9095b0ca14ee10f0d6b1ce209c318d5e8ecd04ddb53c812e79797e74300
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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/780-69-0x0000000000000000-mapping.dmp
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memory/780-72-0x0000000000BCB000-0x0000000000BEA000-memory.dmpFilesize
124KB
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memory/780-73-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1188-65-0x0000000000BDB000-0x0000000000BFA000-memory.dmpFilesize
124KB
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memory/1188-68-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1188-57-0x0000000000000000-mapping.dmp
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memory/1188-66-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1188-67-0x0000000000BDB000-0x0000000000BFA000-memory.dmpFilesize
124KB
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memory/1380-61-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1380-60-0x0000000000220000-0x000000000025E000-memory.dmpFilesize
248KB
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memory/1380-59-0x0000000000C5B000-0x0000000000C7A000-memory.dmpFilesize
124KB
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memory/1380-54-0x00000000757A1000-0x00000000757A3000-memory.dmpFilesize
8KB
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memory/1700-86-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1700-82-0x0000000000000000-mapping.dmp
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memory/1700-85-0x0000000000F6B000-0x0000000000F8A000-memory.dmpFilesize
124KB
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memory/1780-63-0x0000000000000000-mapping.dmp
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memory/1880-81-0x0000000000200000-0x0000000000224000-memory.dmpFilesize
144KB
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memory/1880-74-0x0000000000000000-mapping.dmp