Analysis
-
max time kernel
164s -
max time network
182s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 13:28
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
General
-
Target
file.exe
-
Size
205KB
-
MD5
112da1c28ba006a828aa7aa5129e3e91
-
SHA1
3b955355a52dbe3c6e0b8494037116690c07d277
-
SHA256
a0e3a04fa6235d0e6ed113c49061486f7cece9e7f7ce6f999d89433f869f6696
-
SHA512
f487d6f876f146783b311fc69132dd91e7a154d4d0732770ad533a9853b21786a4dc206de814184bd5b908cfbfbc92e861172fcca69b7c1bdd61fdcb620dd804
-
SSDEEP
3072:9UKmnZtPnn5p8qrErzd/Hd7iAmFmHghUXbpNxGf0N2XYT5LJo4LBYLzz6E:rYtP3pMHd0FKgGXlWf5X4iES
Malware Config
Extracted
amadey
3.50
31.41.244.17/hfk3vK9/index.php
Signatures
-
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 1788 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 1112 gntuud.exe 968 gntuud.exe 1712 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exerundll32.exepid process 360 file.exe 360 file.exe 1788 rundll32.exe 1788 rundll32.exe 1788 rundll32.exe 1788 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.
-
Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exepid process 1788 rundll32.exe 1788 rundll32.exe 1788 rundll32.exe 1788 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
file.exegntuud.exetaskeng.exedescription pid process target process PID 360 wrote to memory of 1112 360 file.exe gntuud.exe PID 360 wrote to memory of 1112 360 file.exe gntuud.exe PID 360 wrote to memory of 1112 360 file.exe gntuud.exe PID 360 wrote to memory of 1112 360 file.exe gntuud.exe PID 1112 wrote to memory of 1676 1112 gntuud.exe schtasks.exe PID 1112 wrote to memory of 1676 1112 gntuud.exe schtasks.exe PID 1112 wrote to memory of 1676 1112 gntuud.exe schtasks.exe PID 1112 wrote to memory of 1676 1112 gntuud.exe schtasks.exe PID 1980 wrote to memory of 968 1980 taskeng.exe gntuud.exe PID 1980 wrote to memory of 968 1980 taskeng.exe gntuud.exe PID 1980 wrote to memory of 968 1980 taskeng.exe gntuud.exe PID 1980 wrote to memory of 968 1980 taskeng.exe gntuud.exe PID 1112 wrote to memory of 1788 1112 gntuud.exe rundll32.exe PID 1112 wrote to memory of 1788 1112 gntuud.exe rundll32.exe PID 1112 wrote to memory of 1788 1112 gntuud.exe rundll32.exe PID 1112 wrote to memory of 1788 1112 gntuud.exe rundll32.exe PID 1112 wrote to memory of 1788 1112 gntuud.exe rundll32.exe PID 1112 wrote to memory of 1788 1112 gntuud.exe rundll32.exe PID 1112 wrote to memory of 1788 1112 gntuud.exe rundll32.exe PID 1980 wrote to memory of 1712 1980 taskeng.exe gntuud.exe PID 1980 wrote to memory of 1712 1980 taskeng.exe gntuud.exe PID 1980 wrote to memory of 1712 1980 taskeng.exe gntuud.exe PID 1980 wrote to memory of 1712 1980 taskeng.exe gntuud.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
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
-
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)
-
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
-
C:\Windows\system32\taskeng.exetaskeng.exe {4FFFA0EF-6135-40C0-A35E-37353B870432} S-1-5-21-3406023954-474543476-3319432036-1000:VUIIVLGQ\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
-
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
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5112da1c28ba006a828aa7aa5129e3e91
SHA13b955355a52dbe3c6e0b8494037116690c07d277
SHA256a0e3a04fa6235d0e6ed113c49061486f7cece9e7f7ce6f999d89433f869f6696
SHA512f487d6f876f146783b311fc69132dd91e7a154d4d0732770ad533a9853b21786a4dc206de814184bd5b908cfbfbc92e861172fcca69b7c1bdd61fdcb620dd804
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5112da1c28ba006a828aa7aa5129e3e91
SHA13b955355a52dbe3c6e0b8494037116690c07d277
SHA256a0e3a04fa6235d0e6ed113c49061486f7cece9e7f7ce6f999d89433f869f6696
SHA512f487d6f876f146783b311fc69132dd91e7a154d4d0732770ad533a9853b21786a4dc206de814184bd5b908cfbfbc92e861172fcca69b7c1bdd61fdcb620dd804
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5112da1c28ba006a828aa7aa5129e3e91
SHA13b955355a52dbe3c6e0b8494037116690c07d277
SHA256a0e3a04fa6235d0e6ed113c49061486f7cece9e7f7ce6f999d89433f869f6696
SHA512f487d6f876f146783b311fc69132dd91e7a154d4d0732770ad533a9853b21786a4dc206de814184bd5b908cfbfbc92e861172fcca69b7c1bdd61fdcb620dd804
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5112da1c28ba006a828aa7aa5129e3e91
SHA13b955355a52dbe3c6e0b8494037116690c07d277
SHA256a0e3a04fa6235d0e6ed113c49061486f7cece9e7f7ce6f999d89433f869f6696
SHA512f487d6f876f146783b311fc69132dd91e7a154d4d0732770ad533a9853b21786a4dc206de814184bd5b908cfbfbc92e861172fcca69b7c1bdd61fdcb620dd804
-
C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
-
\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5112da1c28ba006a828aa7aa5129e3e91
SHA13b955355a52dbe3c6e0b8494037116690c07d277
SHA256a0e3a04fa6235d0e6ed113c49061486f7cece9e7f7ce6f999d89433f869f6696
SHA512f487d6f876f146783b311fc69132dd91e7a154d4d0732770ad533a9853b21786a4dc206de814184bd5b908cfbfbc92e861172fcca69b7c1bdd61fdcb620dd804
-
\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5112da1c28ba006a828aa7aa5129e3e91
SHA13b955355a52dbe3c6e0b8494037116690c07d277
SHA256a0e3a04fa6235d0e6ed113c49061486f7cece9e7f7ce6f999d89433f869f6696
SHA512f487d6f876f146783b311fc69132dd91e7a154d4d0732770ad533a9853b21786a4dc206de814184bd5b908cfbfbc92e861172fcca69b7c1bdd61fdcb620dd804
-
\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
-
\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
-
\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
-
\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
-
memory/360-63-0x0000000000220000-0x000000000025E000-memory.dmpFilesize
248KB
-
memory/360-64-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
-
memory/360-62-0x0000000000CCB000-0x0000000000CEA000-memory.dmpFilesize
124KB
-
memory/360-57-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
-
memory/360-54-0x00000000767D1000-0x00000000767D3000-memory.dmpFilesize
8KB
-
memory/360-56-0x0000000000220000-0x000000000025E000-memory.dmpFilesize
248KB
-
memory/360-55-0x0000000000CCB000-0x0000000000CEA000-memory.dmpFilesize
124KB
-
memory/968-72-0x0000000000000000-mapping.dmp
-
memory/968-75-0x0000000000C1B000-0x0000000000C3A000-memory.dmpFilesize
124KB
-
memory/968-76-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
-
memory/1112-69-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
-
memory/1112-71-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
-
memory/1112-70-0x0000000000BEB000-0x0000000000C0A000-memory.dmpFilesize
124KB
-
memory/1112-68-0x0000000000BEB000-0x0000000000C0A000-memory.dmpFilesize
124KB
-
memory/1112-60-0x0000000000000000-mapping.dmp
-
memory/1676-66-0x0000000000000000-mapping.dmp
-
memory/1712-84-0x0000000000000000-mapping.dmp
-
memory/1712-87-0x0000000000C8B000-0x0000000000CAA000-memory.dmpFilesize
124KB
-
memory/1712-88-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
-
memory/1788-77-0x0000000000000000-mapping.dmp