Analysis
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max time kernel
108s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 08:11
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
General
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Target
file.exe
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Size
205KB
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MD5
e3cd29457749bbcd912dbc06ff4e96e8
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SHA1
10cda0f6139e72854a4c2cdef53e6ee8eccf7b83
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SHA256
5f22145a6c9eaf18ed703c43b3b8f03b1db4dab9218e06ecbf3d82ae9f9e4d10
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SHA512
5110f1f48c61ec1b188c1a665fe840ab589b660590192e77d0f2c2022eb8acb3766217585fb9f8050d6fc1652752472c78daf60c67f9ae4343b9cd226d6effed
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SSDEEP
3072:cpJD+C3LqEQFnHal65mOoZq72/KXxbMvCceciAOnEaa/bJH9DGYKPv/X9HU9bKtN:IT3LqEQVA/Q6+x7cecijH67abWa7
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 6 1980 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 1316 gntuud.exe 1676 gntuud.exe 1908 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exerundll32.exepid process 1928 file.exe 1928 file.exe 1980 rundll32.exe 1980 rundll32.exe 1980 rundll32.exe 1980 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-1-5-21-999675638-2867687379-27515722-1000\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 1980 rundll32.exe 1980 rundll32.exe 1980 rundll32.exe 1980 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
file.exegntuud.exetaskeng.exedescription pid process target process PID 1928 wrote to memory of 1316 1928 file.exe gntuud.exe PID 1928 wrote to memory of 1316 1928 file.exe gntuud.exe PID 1928 wrote to memory of 1316 1928 file.exe gntuud.exe PID 1928 wrote to memory of 1316 1928 file.exe gntuud.exe PID 1316 wrote to memory of 1116 1316 gntuud.exe schtasks.exe PID 1316 wrote to memory of 1116 1316 gntuud.exe schtasks.exe PID 1316 wrote to memory of 1116 1316 gntuud.exe schtasks.exe PID 1316 wrote to memory of 1116 1316 gntuud.exe schtasks.exe PID 1216 wrote to memory of 1676 1216 taskeng.exe gntuud.exe PID 1216 wrote to memory of 1676 1216 taskeng.exe gntuud.exe PID 1216 wrote to memory of 1676 1216 taskeng.exe gntuud.exe PID 1216 wrote to memory of 1676 1216 taskeng.exe gntuud.exe PID 1316 wrote to memory of 1980 1316 gntuud.exe rundll32.exe PID 1316 wrote to memory of 1980 1316 gntuud.exe rundll32.exe PID 1316 wrote to memory of 1980 1316 gntuud.exe rundll32.exe PID 1316 wrote to memory of 1980 1316 gntuud.exe rundll32.exe PID 1316 wrote to memory of 1980 1316 gntuud.exe rundll32.exe PID 1316 wrote to memory of 1980 1316 gntuud.exe rundll32.exe PID 1316 wrote to memory of 1980 1316 gntuud.exe rundll32.exe PID 1216 wrote to memory of 1908 1216 taskeng.exe gntuud.exe PID 1216 wrote to memory of 1908 1216 taskeng.exe gntuud.exe PID 1216 wrote to memory of 1908 1216 taskeng.exe gntuud.exe PID 1216 wrote to memory of 1908 1216 taskeng.exe gntuud.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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 {F5DB4B09-AE58-45D7-841E-E56BA0D352E9} S-1-5-21-999675638-2867687379-27515722-1000:ORXGKKZC\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
MD5e3cd29457749bbcd912dbc06ff4e96e8
SHA110cda0f6139e72854a4c2cdef53e6ee8eccf7b83
SHA2565f22145a6c9eaf18ed703c43b3b8f03b1db4dab9218e06ecbf3d82ae9f9e4d10
SHA5125110f1f48c61ec1b188c1a665fe840ab589b660590192e77d0f2c2022eb8acb3766217585fb9f8050d6fc1652752472c78daf60c67f9ae4343b9cd226d6effed
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5e3cd29457749bbcd912dbc06ff4e96e8
SHA110cda0f6139e72854a4c2cdef53e6ee8eccf7b83
SHA2565f22145a6c9eaf18ed703c43b3b8f03b1db4dab9218e06ecbf3d82ae9f9e4d10
SHA5125110f1f48c61ec1b188c1a665fe840ab589b660590192e77d0f2c2022eb8acb3766217585fb9f8050d6fc1652752472c78daf60c67f9ae4343b9cd226d6effed
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5e3cd29457749bbcd912dbc06ff4e96e8
SHA110cda0f6139e72854a4c2cdef53e6ee8eccf7b83
SHA2565f22145a6c9eaf18ed703c43b3b8f03b1db4dab9218e06ecbf3d82ae9f9e4d10
SHA5125110f1f48c61ec1b188c1a665fe840ab589b660590192e77d0f2c2022eb8acb3766217585fb9f8050d6fc1652752472c78daf60c67f9ae4343b9cd226d6effed
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5e3cd29457749bbcd912dbc06ff4e96e8
SHA110cda0f6139e72854a4c2cdef53e6ee8eccf7b83
SHA2565f22145a6c9eaf18ed703c43b3b8f03b1db4dab9218e06ecbf3d82ae9f9e4d10
SHA5125110f1f48c61ec1b188c1a665fe840ab589b660590192e77d0f2c2022eb8acb3766217585fb9f8050d6fc1652752472c78daf60c67f9ae4343b9cd226d6effed
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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
MD5e3cd29457749bbcd912dbc06ff4e96e8
SHA110cda0f6139e72854a4c2cdef53e6ee8eccf7b83
SHA2565f22145a6c9eaf18ed703c43b3b8f03b1db4dab9218e06ecbf3d82ae9f9e4d10
SHA5125110f1f48c61ec1b188c1a665fe840ab589b660590192e77d0f2c2022eb8acb3766217585fb9f8050d6fc1652752472c78daf60c67f9ae4343b9cd226d6effed
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\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5e3cd29457749bbcd912dbc06ff4e96e8
SHA110cda0f6139e72854a4c2cdef53e6ee8eccf7b83
SHA2565f22145a6c9eaf18ed703c43b3b8f03b1db4dab9218e06ecbf3d82ae9f9e4d10
SHA5125110f1f48c61ec1b188c1a665fe840ab589b660590192e77d0f2c2022eb8acb3766217585fb9f8050d6fc1652752472c78daf60c67f9ae4343b9cd226d6effed
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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/1116-67-0x0000000000000000-mapping.dmp
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memory/1316-69-0x0000000000BBB000-0x0000000000BDA000-memory.dmpFilesize
124KB
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memory/1316-60-0x0000000000000000-mapping.dmp
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memory/1316-66-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1316-70-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1316-65-0x0000000000BBB000-0x0000000000BDA000-memory.dmpFilesize
124KB
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memory/1676-71-0x0000000000000000-mapping.dmp
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memory/1676-74-0x0000000000CCB000-0x0000000000CEA000-memory.dmpFilesize
124KB
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memory/1676-75-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1908-87-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1908-86-0x0000000000CAB000-0x0000000000CCA000-memory.dmpFilesize
124KB
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memory/1908-83-0x0000000000000000-mapping.dmp
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memory/1928-62-0x000000000028B000-0x00000000002AA000-memory.dmpFilesize
124KB
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memory/1928-57-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1928-56-0x0000000000AF0000-0x0000000000B2E000-memory.dmpFilesize
248KB
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memory/1928-63-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1928-55-0x000000000028B000-0x00000000002AA000-memory.dmpFilesize
124KB
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memory/1928-54-0x00000000762B1000-0x00000000762B3000-memory.dmpFilesize
8KB
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memory/1980-76-0x0000000000000000-mapping.dmp