Analysis
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max time kernel
136s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 08:56
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
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Target
file.exe
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Size
204KB
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MD5
eac9d7d0af5f683503ec603650d352cd
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SHA1
eecd0104a3c40b85d2cd75d4814e40a0a8d694ea
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SHA256
6f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd
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SHA512
f6eaa3c3145974c56b939e29f92fdd7f1d32ff053679951f921c51413e3a93956ea840ee4aa872c1a944e20fd9dbb7ee3a5712b114c367fdfc1cbaf111bf363f
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SSDEEP
3072:wsmfIr2yEHXl65J7pZuSCCZyTJhx5N2mWNEss3swQTgluUyQBBjkZdEVEWsmI:Mg2yEIfuyyTnxr2jNRwQTgDdmdbW
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 \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module 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 -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 6 1064 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 1888 gntuud.exe 1276 gntuud.exe 1588 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exerundll32.exepid process 1280 file.exe 1280 file.exe 1064 rundll32.exe 1064 rundll32.exe 1064 rundll32.exe 1064 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-1-5-21-3845472200-3839195424-595303356-1000\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 1064 rundll32.exe 1064 rundll32.exe 1064 rundll32.exe 1064 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
file.exegntuud.exetaskeng.exedescription pid process target process PID 1280 wrote to memory of 1888 1280 file.exe gntuud.exe PID 1280 wrote to memory of 1888 1280 file.exe gntuud.exe PID 1280 wrote to memory of 1888 1280 file.exe gntuud.exe PID 1280 wrote to memory of 1888 1280 file.exe gntuud.exe PID 1888 wrote to memory of 848 1888 gntuud.exe schtasks.exe PID 1888 wrote to memory of 848 1888 gntuud.exe schtasks.exe PID 1888 wrote to memory of 848 1888 gntuud.exe schtasks.exe PID 1888 wrote to memory of 848 1888 gntuud.exe schtasks.exe PID 1888 wrote to memory of 1064 1888 gntuud.exe rundll32.exe PID 1888 wrote to memory of 1064 1888 gntuud.exe rundll32.exe PID 1888 wrote to memory of 1064 1888 gntuud.exe rundll32.exe PID 1888 wrote to memory of 1064 1888 gntuud.exe rundll32.exe PID 1888 wrote to memory of 1064 1888 gntuud.exe rundll32.exe PID 1888 wrote to memory of 1064 1888 gntuud.exe rundll32.exe PID 1888 wrote to memory of 1064 1888 gntuud.exe rundll32.exe PID 1740 wrote to memory of 1276 1740 taskeng.exe gntuud.exe PID 1740 wrote to memory of 1276 1740 taskeng.exe gntuud.exe PID 1740 wrote to memory of 1276 1740 taskeng.exe gntuud.exe PID 1740 wrote to memory of 1276 1740 taskeng.exe gntuud.exe PID 1740 wrote to memory of 1588 1740 taskeng.exe gntuud.exe PID 1740 wrote to memory of 1588 1740 taskeng.exe gntuud.exe PID 1740 wrote to memory of 1588 1740 taskeng.exe gntuud.exe PID 1740 wrote to memory of 1588 1740 taskeng.exe gntuud.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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:1280 -
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:1888 -
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:848 -
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:1064
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C:\Windows\system32\taskeng.exetaskeng.exe {2E72BCE7-0E89-4A03-A90E-0D27AA0CC561} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
PID:1276 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
PID:1588
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
204KB
MD5eac9d7d0af5f683503ec603650d352cd
SHA1eecd0104a3c40b85d2cd75d4814e40a0a8d694ea
SHA2566f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd
SHA512f6eaa3c3145974c56b939e29f92fdd7f1d32ff053679951f921c51413e3a93956ea840ee4aa872c1a944e20fd9dbb7ee3a5712b114c367fdfc1cbaf111bf363f
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
204KB
MD5eac9d7d0af5f683503ec603650d352cd
SHA1eecd0104a3c40b85d2cd75d4814e40a0a8d694ea
SHA2566f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd
SHA512f6eaa3c3145974c56b939e29f92fdd7f1d32ff053679951f921c51413e3a93956ea840ee4aa872c1a944e20fd9dbb7ee3a5712b114c367fdfc1cbaf111bf363f
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
204KB
MD5eac9d7d0af5f683503ec603650d352cd
SHA1eecd0104a3c40b85d2cd75d4814e40a0a8d694ea
SHA2566f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd
SHA512f6eaa3c3145974c56b939e29f92fdd7f1d32ff053679951f921c51413e3a93956ea840ee4aa872c1a944e20fd9dbb7ee3a5712b114c367fdfc1cbaf111bf363f
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
204KB
MD5eac9d7d0af5f683503ec603650d352cd
SHA1eecd0104a3c40b85d2cd75d4814e40a0a8d694ea
SHA2566f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd
SHA512f6eaa3c3145974c56b939e29f92fdd7f1d32ff053679951f921c51413e3a93956ea840ee4aa872c1a944e20fd9dbb7ee3a5712b114c367fdfc1cbaf111bf363f
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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
204KB
MD5eac9d7d0af5f683503ec603650d352cd
SHA1eecd0104a3c40b85d2cd75d4814e40a0a8d694ea
SHA2566f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd
SHA512f6eaa3c3145974c56b939e29f92fdd7f1d32ff053679951f921c51413e3a93956ea840ee4aa872c1a944e20fd9dbb7ee3a5712b114c367fdfc1cbaf111bf363f
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\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
204KB
MD5eac9d7d0af5f683503ec603650d352cd
SHA1eecd0104a3c40b85d2cd75d4814e40a0a8d694ea
SHA2566f98e53c34fb0ac52edf9c82ca710191a59c8f52bf0bc4defabe2cc6e884d0bd
SHA512f6eaa3c3145974c56b939e29f92fdd7f1d32ff053679951f921c51413e3a93956ea840ee4aa872c1a944e20fd9dbb7ee3a5712b114c367fdfc1cbaf111bf363f
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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/848-63-0x0000000000000000-mapping.dmp
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memory/1064-68-0x0000000000000000-mapping.dmp
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memory/1276-75-0x0000000000000000-mapping.dmp
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memory/1276-78-0x00000000002CB000-0x00000000002EA000-memory.dmpFilesize
124KB
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memory/1276-79-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1280-59-0x00000000002AB000-0x00000000002CA000-memory.dmpFilesize
124KB
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memory/1280-60-0x0000000002220000-0x000000000225E000-memory.dmpFilesize
248KB
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memory/1280-54-0x0000000075811000-0x0000000075813000-memory.dmpFilesize
8KB
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memory/1280-61-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1588-80-0x0000000000000000-mapping.dmp
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memory/1588-83-0x0000000000F6B000-0x0000000000F8A000-memory.dmpFilesize
124KB
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memory/1588-84-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1888-66-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1888-65-0x0000000000C4B000-0x0000000000C6A000-memory.dmpFilesize
124KB
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memory/1888-67-0x0000000000C4B000-0x0000000000C6A000-memory.dmpFilesize
124KB
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memory/1888-57-0x0000000000000000-mapping.dmp