Analysis
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max time kernel
110s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 14:16
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
209KB
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MD5
8ef9de35dad7f94140577af8e51cec3a
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SHA1
af2bfdf001c2dde2aec18fe3e6a555988d84686b
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SHA256
efcf2436a1c1a20eb798db02593889668a5dd36c1406b67343681ba46b64da58
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SHA512
bfa5f7e9884f2e73ae19ed5a9cc4ed5a20951f9911282156ef6fcfe604d49af03175f76398754c589ac7e7dca22e2533a385d7547291a634d169d1ba0af3c0e1
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SSDEEP
3072:UITVOwqFXgWRtCgG1OLz5WwaEj7Q+hlfEsNtOv4Kd1wDBa9XGcZs6IO4Rj71nx:rVmpVtCZ1OVaEXQ+f3IvTdySGcZLX4B
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 1532 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 1992 gntuud.exe 1812 gntuud.exe 1604 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exerundll32.exepid process 1720 file.exe 1720 file.exe 1532 rundll32.exe 1532 rundll32.exe 1532 rundll32.exe 1532 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 1532 rundll32.exe 1532 rundll32.exe 1532 rundll32.exe 1532 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
file.exegntuud.exetaskeng.exedescription pid process target process PID 1720 wrote to memory of 1992 1720 file.exe gntuud.exe PID 1720 wrote to memory of 1992 1720 file.exe gntuud.exe PID 1720 wrote to memory of 1992 1720 file.exe gntuud.exe PID 1720 wrote to memory of 1992 1720 file.exe gntuud.exe PID 1992 wrote to memory of 564 1992 gntuud.exe schtasks.exe PID 1992 wrote to memory of 564 1992 gntuud.exe schtasks.exe PID 1992 wrote to memory of 564 1992 gntuud.exe schtasks.exe PID 1992 wrote to memory of 564 1992 gntuud.exe schtasks.exe PID 1996 wrote to memory of 1812 1996 taskeng.exe gntuud.exe PID 1996 wrote to memory of 1812 1996 taskeng.exe gntuud.exe PID 1996 wrote to memory of 1812 1996 taskeng.exe gntuud.exe PID 1996 wrote to memory of 1812 1996 taskeng.exe gntuud.exe PID 1992 wrote to memory of 1532 1992 gntuud.exe rundll32.exe PID 1992 wrote to memory of 1532 1992 gntuud.exe rundll32.exe PID 1992 wrote to memory of 1532 1992 gntuud.exe rundll32.exe PID 1992 wrote to memory of 1532 1992 gntuud.exe rundll32.exe PID 1992 wrote to memory of 1532 1992 gntuud.exe rundll32.exe PID 1992 wrote to memory of 1532 1992 gntuud.exe rundll32.exe PID 1992 wrote to memory of 1532 1992 gntuud.exe rundll32.exe PID 1996 wrote to memory of 1604 1996 taskeng.exe gntuud.exe PID 1996 wrote to memory of 1604 1996 taskeng.exe gntuud.exe PID 1996 wrote to memory of 1604 1996 taskeng.exe gntuud.exe PID 1996 wrote to memory of 1604 1996 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
PID:1720 -
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:1992 -
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:564 -
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:1532
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C:\Windows\system32\taskeng.exetaskeng.exe {0FDAC962-34F7-47BF-A4F2-6B4994C601AA} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
PID:1812 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
PID:1604
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
209KB
MD58ef9de35dad7f94140577af8e51cec3a
SHA1af2bfdf001c2dde2aec18fe3e6a555988d84686b
SHA256efcf2436a1c1a20eb798db02593889668a5dd36c1406b67343681ba46b64da58
SHA512bfa5f7e9884f2e73ae19ed5a9cc4ed5a20951f9911282156ef6fcfe604d49af03175f76398754c589ac7e7dca22e2533a385d7547291a634d169d1ba0af3c0e1
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
209KB
MD58ef9de35dad7f94140577af8e51cec3a
SHA1af2bfdf001c2dde2aec18fe3e6a555988d84686b
SHA256efcf2436a1c1a20eb798db02593889668a5dd36c1406b67343681ba46b64da58
SHA512bfa5f7e9884f2e73ae19ed5a9cc4ed5a20951f9911282156ef6fcfe604d49af03175f76398754c589ac7e7dca22e2533a385d7547291a634d169d1ba0af3c0e1
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
209KB
MD58ef9de35dad7f94140577af8e51cec3a
SHA1af2bfdf001c2dde2aec18fe3e6a555988d84686b
SHA256efcf2436a1c1a20eb798db02593889668a5dd36c1406b67343681ba46b64da58
SHA512bfa5f7e9884f2e73ae19ed5a9cc4ed5a20951f9911282156ef6fcfe604d49af03175f76398754c589ac7e7dca22e2533a385d7547291a634d169d1ba0af3c0e1
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
209KB
MD58ef9de35dad7f94140577af8e51cec3a
SHA1af2bfdf001c2dde2aec18fe3e6a555988d84686b
SHA256efcf2436a1c1a20eb798db02593889668a5dd36c1406b67343681ba46b64da58
SHA512bfa5f7e9884f2e73ae19ed5a9cc4ed5a20951f9911282156ef6fcfe604d49af03175f76398754c589ac7e7dca22e2533a385d7547291a634d169d1ba0af3c0e1
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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
209KB
MD58ef9de35dad7f94140577af8e51cec3a
SHA1af2bfdf001c2dde2aec18fe3e6a555988d84686b
SHA256efcf2436a1c1a20eb798db02593889668a5dd36c1406b67343681ba46b64da58
SHA512bfa5f7e9884f2e73ae19ed5a9cc4ed5a20951f9911282156ef6fcfe604d49af03175f76398754c589ac7e7dca22e2533a385d7547291a634d169d1ba0af3c0e1
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\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
209KB
MD58ef9de35dad7f94140577af8e51cec3a
SHA1af2bfdf001c2dde2aec18fe3e6a555988d84686b
SHA256efcf2436a1c1a20eb798db02593889668a5dd36c1406b67343681ba46b64da58
SHA512bfa5f7e9884f2e73ae19ed5a9cc4ed5a20951f9911282156ef6fcfe604d49af03175f76398754c589ac7e7dca22e2533a385d7547291a634d169d1ba0af3c0e1
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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/564-63-0x0000000000000000-mapping.dmp
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memory/1532-73-0x0000000000000000-mapping.dmp
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memory/1604-80-0x0000000000000000-mapping.dmp
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memory/1604-83-0x000000000057D000-0x000000000059C000-memory.dmpFilesize
124KB
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memory/1604-84-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/1720-60-0x00000000002C0000-0x00000000002FE000-memory.dmpFilesize
248KB
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memory/1720-61-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/1720-54-0x00000000757A1000-0x00000000757A3000-memory.dmpFilesize
8KB
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memory/1720-59-0x000000000051D000-0x000000000053C000-memory.dmpFilesize
124KB
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memory/1812-71-0x00000000004FD000-0x000000000051C000-memory.dmpFilesize
124KB
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memory/1812-72-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/1812-68-0x0000000000000000-mapping.dmp
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memory/1992-67-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/1992-66-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/1992-65-0x00000000002AD000-0x00000000002CC000-memory.dmpFilesize
124KB
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memory/1992-57-0x0000000000000000-mapping.dmp