Analysis
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max time kernel
114s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29-11-2022 22:43
Static task
static1
Behavioral task
behavioral1
Sample
8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.exe
Resource
win7-20220812-en
General
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Target
8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.exe
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Size
206KB
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MD5
fa88feb7e83019914c5bc21121a3dca5
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SHA1
d28d4f68b6d7d91063cae67f5cb950e0bf2bb085
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SHA256
8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1
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SHA512
d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191
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SSDEEP
3072:FQ2RgCKWIEFKWv5gv7kNIxzGTPBCasbPOP/9BD2sbgnjd5:nWCKWIEgD7kNItjaszOH9M7j
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/1960-78-0x00000000001C0000-0x00000000001E4000-memory.dmp amadey_cred_module -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 5 1960 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 1412 gntuud.exe 268 gntuud.exe 1904 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.exerundll32.exepid process 1756 8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.exe 1756 8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.exe 1960 rundll32.exe 1960 rundll32.exe 1960 rundll32.exe 1960 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-1-5-21-2292972927-2705560509-2768824231-1000\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 1960 rundll32.exe 1960 rundll32.exe 1960 rundll32.exe 1960 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.exegntuud.exetaskeng.exedescription pid process target process PID 1756 wrote to memory of 1412 1756 8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.exe gntuud.exe PID 1756 wrote to memory of 1412 1756 8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.exe gntuud.exe PID 1756 wrote to memory of 1412 1756 8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.exe gntuud.exe PID 1756 wrote to memory of 1412 1756 8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.exe gntuud.exe PID 1412 wrote to memory of 1768 1412 gntuud.exe schtasks.exe PID 1412 wrote to memory of 1768 1412 gntuud.exe schtasks.exe PID 1412 wrote to memory of 1768 1412 gntuud.exe schtasks.exe PID 1412 wrote to memory of 1768 1412 gntuud.exe schtasks.exe PID 2044 wrote to memory of 268 2044 taskeng.exe gntuud.exe PID 2044 wrote to memory of 268 2044 taskeng.exe gntuud.exe PID 2044 wrote to memory of 268 2044 taskeng.exe gntuud.exe PID 2044 wrote to memory of 268 2044 taskeng.exe gntuud.exe PID 1412 wrote to memory of 1960 1412 gntuud.exe rundll32.exe PID 1412 wrote to memory of 1960 1412 gntuud.exe rundll32.exe PID 1412 wrote to memory of 1960 1412 gntuud.exe rundll32.exe PID 1412 wrote to memory of 1960 1412 gntuud.exe rundll32.exe PID 1412 wrote to memory of 1960 1412 gntuud.exe rundll32.exe PID 1412 wrote to memory of 1960 1412 gntuud.exe rundll32.exe PID 1412 wrote to memory of 1960 1412 gntuud.exe rundll32.exe PID 2044 wrote to memory of 1904 2044 taskeng.exe gntuud.exe PID 2044 wrote to memory of 1904 2044 taskeng.exe gntuud.exe PID 2044 wrote to memory of 1904 2044 taskeng.exe gntuud.exe PID 2044 wrote to memory of 1904 2044 taskeng.exe gntuud.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.exe"C:\Users\Admin\AppData\Local\Temp\8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.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 {CE05EFB9-506A-462E-9F02-95FF1BED754E} S-1-5-21-2292972927-2705560509-2768824231-1000:GRXNNIIE\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
206KB
MD5fa88feb7e83019914c5bc21121a3dca5
SHA1d28d4f68b6d7d91063cae67f5cb950e0bf2bb085
SHA2568a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1
SHA512d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
206KB
MD5fa88feb7e83019914c5bc21121a3dca5
SHA1d28d4f68b6d7d91063cae67f5cb950e0bf2bb085
SHA2568a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1
SHA512d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
206KB
MD5fa88feb7e83019914c5bc21121a3dca5
SHA1d28d4f68b6d7d91063cae67f5cb950e0bf2bb085
SHA2568a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1
SHA512d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
206KB
MD5fa88feb7e83019914c5bc21121a3dca5
SHA1d28d4f68b6d7d91063cae67f5cb950e0bf2bb085
SHA2568a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1
SHA512d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191
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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
206KB
MD5fa88feb7e83019914c5bc21121a3dca5
SHA1d28d4f68b6d7d91063cae67f5cb950e0bf2bb085
SHA2568a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1
SHA512d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191
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\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
206KB
MD5fa88feb7e83019914c5bc21121a3dca5
SHA1d28d4f68b6d7d91063cae67f5cb950e0bf2bb085
SHA2568a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1
SHA512d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191
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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/268-69-0x0000000000000000-mapping.dmp
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memory/268-81-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/268-80-0x0000000000CDB000-0x0000000000CFA000-memory.dmpFilesize
124KB
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memory/1412-65-0x0000000000F6B000-0x0000000000F8A000-memory.dmpFilesize
124KB
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memory/1412-59-0x0000000000000000-mapping.dmp
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memory/1412-68-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1412-66-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1756-54-0x0000000075141000-0x0000000075143000-memory.dmpFilesize
8KB
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memory/1756-60-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1756-56-0x00000000001B0000-0x00000000001EE000-memory.dmpFilesize
248KB
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memory/1756-67-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1756-55-0x000000000030B000-0x000000000032A000-memory.dmpFilesize
124KB
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memory/1768-63-0x0000000000000000-mapping.dmp
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memory/1904-82-0x0000000000000000-mapping.dmp
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memory/1904-85-0x0000000000F4B000-0x0000000000F6A000-memory.dmpFilesize
124KB
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memory/1904-86-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1960-78-0x00000000001C0000-0x00000000001E4000-memory.dmpFilesize
144KB
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memory/1960-71-0x0000000000000000-mapping.dmp