Analysis
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max time kernel
110s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 22:46
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
General
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Target
file.exe
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Size
237KB
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MD5
0460990761ea0b12df9d8133fb116bd7
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SHA1
16d234e218b4d7963e94d5a8c1b6b273fc538f19
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SHA256
8d436a881302c1767ef5a1d9573779a2196fb105ad9f3b29439d648c77b08f8e
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SHA512
0aad95f916b1f07cdd2be965292fee772fd420f111f969823875a4c4952df4f3aa380d00eb53ce67572027464bce139d41deae17656fbecf1b6f04d3db764a32
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SSDEEP
3072:rEW2zikDTjDqowd5u/NGVQUYocEKc0YTdfPOB4aHHQG70W8BVvFCEu:UDTjDR5Ub1Rm4IB7cBVNCE
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 1784 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 1148 gntuud.exe 1920 gntuud.exe 1912 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exerundll32.exepid process 1724 file.exe 1724 file.exe 1784 rundll32.exe 1784 rundll32.exe 1784 rundll32.exe 1784 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 1784 rundll32.exe 1784 rundll32.exe 1784 rundll32.exe 1784 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
file.exegntuud.exetaskeng.exedescription pid process target process PID 1724 wrote to memory of 1148 1724 file.exe gntuud.exe PID 1724 wrote to memory of 1148 1724 file.exe gntuud.exe PID 1724 wrote to memory of 1148 1724 file.exe gntuud.exe PID 1724 wrote to memory of 1148 1724 file.exe gntuud.exe PID 1148 wrote to memory of 1688 1148 gntuud.exe schtasks.exe PID 1148 wrote to memory of 1688 1148 gntuud.exe schtasks.exe PID 1148 wrote to memory of 1688 1148 gntuud.exe schtasks.exe PID 1148 wrote to memory of 1688 1148 gntuud.exe schtasks.exe PID 1948 wrote to memory of 1920 1948 taskeng.exe gntuud.exe PID 1948 wrote to memory of 1920 1948 taskeng.exe gntuud.exe PID 1948 wrote to memory of 1920 1948 taskeng.exe gntuud.exe PID 1948 wrote to memory of 1920 1948 taskeng.exe gntuud.exe PID 1148 wrote to memory of 1784 1148 gntuud.exe rundll32.exe PID 1148 wrote to memory of 1784 1148 gntuud.exe rundll32.exe PID 1148 wrote to memory of 1784 1148 gntuud.exe rundll32.exe PID 1148 wrote to memory of 1784 1148 gntuud.exe rundll32.exe PID 1148 wrote to memory of 1784 1148 gntuud.exe rundll32.exe PID 1148 wrote to memory of 1784 1148 gntuud.exe rundll32.exe PID 1148 wrote to memory of 1784 1148 gntuud.exe rundll32.exe PID 1948 wrote to memory of 1912 1948 taskeng.exe gntuud.exe PID 1948 wrote to memory of 1912 1948 taskeng.exe gntuud.exe PID 1948 wrote to memory of 1912 1948 taskeng.exe gntuud.exe PID 1948 wrote to memory of 1912 1948 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:1724 -
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:1148 -
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:1688 -
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:1784
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C:\Windows\system32\taskeng.exetaskeng.exe {134D8988-152A-45A5-B8C0-A9C8DCFE67B2} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
PID:1920 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
PID:1912
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
237KB
MD50460990761ea0b12df9d8133fb116bd7
SHA116d234e218b4d7963e94d5a8c1b6b273fc538f19
SHA2568d436a881302c1767ef5a1d9573779a2196fb105ad9f3b29439d648c77b08f8e
SHA5120aad95f916b1f07cdd2be965292fee772fd420f111f969823875a4c4952df4f3aa380d00eb53ce67572027464bce139d41deae17656fbecf1b6f04d3db764a32
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Filesize
237KB
MD50460990761ea0b12df9d8133fb116bd7
SHA116d234e218b4d7963e94d5a8c1b6b273fc538f19
SHA2568d436a881302c1767ef5a1d9573779a2196fb105ad9f3b29439d648c77b08f8e
SHA5120aad95f916b1f07cdd2be965292fee772fd420f111f969823875a4c4952df4f3aa380d00eb53ce67572027464bce139d41deae17656fbecf1b6f04d3db764a32
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Filesize
237KB
MD50460990761ea0b12df9d8133fb116bd7
SHA116d234e218b4d7963e94d5a8c1b6b273fc538f19
SHA2568d436a881302c1767ef5a1d9573779a2196fb105ad9f3b29439d648c77b08f8e
SHA5120aad95f916b1f07cdd2be965292fee772fd420f111f969823875a4c4952df4f3aa380d00eb53ce67572027464bce139d41deae17656fbecf1b6f04d3db764a32
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Filesize
237KB
MD50460990761ea0b12df9d8133fb116bd7
SHA116d234e218b4d7963e94d5a8c1b6b273fc538f19
SHA2568d436a881302c1767ef5a1d9573779a2196fb105ad9f3b29439d648c77b08f8e
SHA5120aad95f916b1f07cdd2be965292fee772fd420f111f969823875a4c4952df4f3aa380d00eb53ce67572027464bce139d41deae17656fbecf1b6f04d3db764a32
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Filesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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Filesize
237KB
MD50460990761ea0b12df9d8133fb116bd7
SHA116d234e218b4d7963e94d5a8c1b6b273fc538f19
SHA2568d436a881302c1767ef5a1d9573779a2196fb105ad9f3b29439d648c77b08f8e
SHA5120aad95f916b1f07cdd2be965292fee772fd420f111f969823875a4c4952df4f3aa380d00eb53ce67572027464bce139d41deae17656fbecf1b6f04d3db764a32
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Filesize
237KB
MD50460990761ea0b12df9d8133fb116bd7
SHA116d234e218b4d7963e94d5a8c1b6b273fc538f19
SHA2568d436a881302c1767ef5a1d9573779a2196fb105ad9f3b29439d648c77b08f8e
SHA5120aad95f916b1f07cdd2be965292fee772fd420f111f969823875a4c4952df4f3aa380d00eb53ce67572027464bce139d41deae17656fbecf1b6f04d3db764a32
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Filesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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Filesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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Filesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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Filesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d