Analysis
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max time kernel
146s -
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 05:37
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
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Target
file.exe
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Size
205KB
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MD5
f0b294310aae3da9a97c26b41fd09dbd
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SHA1
8950853e013955af570d14dc5c845b6f56216e03
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SHA256
dc58ff5f9aa00680d2db6590179ef74921fd67566d3b1cc03f1f4259713b0c52
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SHA512
3082589bb1dfec91df2f9c9869f52888bb9f9d2537c00afb9b7d6dc6ca2a206dd4608c7a5b0dd0b3b5ec94d2a9887d36970fdef91a182d0965e8d61fe81f9a1e
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SSDEEP
3072:fGsahjH1YPuUGB593dgDCLhn/9NvfM3cf1Rdkgfk9R6VBKDI/D5E2P5EOF:OlmmU43dL9NvkMrd0QBNq2Pb
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 5 816 rundll32.exe -
Executes dropped EXE 4 IoCs
Processes:
gntuud.exegntuud.exegntuud.exegntuud.exepid process 1716 gntuud.exe 1960 gntuud.exe 1912 gntuud.exe 980 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exerundll32.exepid process 1128 file.exe 1128 file.exe 816 rundll32.exe 816 rundll32.exe 816 rundll32.exe 816 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 816 rundll32.exe 816 rundll32.exe 816 rundll32.exe 816 rundll32.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
file.exegntuud.exetaskeng.exedescription pid process target process PID 1128 wrote to memory of 1716 1128 file.exe gntuud.exe PID 1128 wrote to memory of 1716 1128 file.exe gntuud.exe PID 1128 wrote to memory of 1716 1128 file.exe gntuud.exe PID 1128 wrote to memory of 1716 1128 file.exe gntuud.exe PID 1716 wrote to memory of 1624 1716 gntuud.exe schtasks.exe PID 1716 wrote to memory of 1624 1716 gntuud.exe schtasks.exe PID 1716 wrote to memory of 1624 1716 gntuud.exe schtasks.exe PID 1716 wrote to memory of 1624 1716 gntuud.exe schtasks.exe PID 1752 wrote to memory of 1960 1752 taskeng.exe gntuud.exe PID 1752 wrote to memory of 1960 1752 taskeng.exe gntuud.exe PID 1752 wrote to memory of 1960 1752 taskeng.exe gntuud.exe PID 1752 wrote to memory of 1960 1752 taskeng.exe gntuud.exe PID 1716 wrote to memory of 816 1716 gntuud.exe rundll32.exe PID 1716 wrote to memory of 816 1716 gntuud.exe rundll32.exe PID 1716 wrote to memory of 816 1716 gntuud.exe rundll32.exe PID 1716 wrote to memory of 816 1716 gntuud.exe rundll32.exe PID 1716 wrote to memory of 816 1716 gntuud.exe rundll32.exe PID 1716 wrote to memory of 816 1716 gntuud.exe rundll32.exe PID 1716 wrote to memory of 816 1716 gntuud.exe rundll32.exe PID 1752 wrote to memory of 1912 1752 taskeng.exe gntuud.exe PID 1752 wrote to memory of 1912 1752 taskeng.exe gntuud.exe PID 1752 wrote to memory of 1912 1752 taskeng.exe gntuud.exe PID 1752 wrote to memory of 1912 1752 taskeng.exe gntuud.exe PID 1752 wrote to memory of 980 1752 taskeng.exe gntuud.exe PID 1752 wrote to memory of 980 1752 taskeng.exe gntuud.exe PID 1752 wrote to memory of 980 1752 taskeng.exe gntuud.exe PID 1752 wrote to memory of 980 1752 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:1128 -
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:1716 -
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:1624 -
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:816
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C:\Windows\system32\taskeng.exetaskeng.exe {6A457B77-A692-4830-89F3-E87B731DD73A} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
PID:1960 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
PID:1912 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
PID:980
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5f0b294310aae3da9a97c26b41fd09dbd
SHA18950853e013955af570d14dc5c845b6f56216e03
SHA256dc58ff5f9aa00680d2db6590179ef74921fd67566d3b1cc03f1f4259713b0c52
SHA5123082589bb1dfec91df2f9c9869f52888bb9f9d2537c00afb9b7d6dc6ca2a206dd4608c7a5b0dd0b3b5ec94d2a9887d36970fdef91a182d0965e8d61fe81f9a1e
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5f0b294310aae3da9a97c26b41fd09dbd
SHA18950853e013955af570d14dc5c845b6f56216e03
SHA256dc58ff5f9aa00680d2db6590179ef74921fd67566d3b1cc03f1f4259713b0c52
SHA5123082589bb1dfec91df2f9c9869f52888bb9f9d2537c00afb9b7d6dc6ca2a206dd4608c7a5b0dd0b3b5ec94d2a9887d36970fdef91a182d0965e8d61fe81f9a1e
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5f0b294310aae3da9a97c26b41fd09dbd
SHA18950853e013955af570d14dc5c845b6f56216e03
SHA256dc58ff5f9aa00680d2db6590179ef74921fd67566d3b1cc03f1f4259713b0c52
SHA5123082589bb1dfec91df2f9c9869f52888bb9f9d2537c00afb9b7d6dc6ca2a206dd4608c7a5b0dd0b3b5ec94d2a9887d36970fdef91a182d0965e8d61fe81f9a1e
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5f0b294310aae3da9a97c26b41fd09dbd
SHA18950853e013955af570d14dc5c845b6f56216e03
SHA256dc58ff5f9aa00680d2db6590179ef74921fd67566d3b1cc03f1f4259713b0c52
SHA5123082589bb1dfec91df2f9c9869f52888bb9f9d2537c00afb9b7d6dc6ca2a206dd4608c7a5b0dd0b3b5ec94d2a9887d36970fdef91a182d0965e8d61fe81f9a1e
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5f0b294310aae3da9a97c26b41fd09dbd
SHA18950853e013955af570d14dc5c845b6f56216e03
SHA256dc58ff5f9aa00680d2db6590179ef74921fd67566d3b1cc03f1f4259713b0c52
SHA5123082589bb1dfec91df2f9c9869f52888bb9f9d2537c00afb9b7d6dc6ca2a206dd4608c7a5b0dd0b3b5ec94d2a9887d36970fdef91a182d0965e8d61fe81f9a1e
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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
MD5f0b294310aae3da9a97c26b41fd09dbd
SHA18950853e013955af570d14dc5c845b6f56216e03
SHA256dc58ff5f9aa00680d2db6590179ef74921fd67566d3b1cc03f1f4259713b0c52
SHA5123082589bb1dfec91df2f9c9869f52888bb9f9d2537c00afb9b7d6dc6ca2a206dd4608c7a5b0dd0b3b5ec94d2a9887d36970fdef91a182d0965e8d61fe81f9a1e
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\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
205KB
MD5f0b294310aae3da9a97c26b41fd09dbd
SHA18950853e013955af570d14dc5c845b6f56216e03
SHA256dc58ff5f9aa00680d2db6590179ef74921fd67566d3b1cc03f1f4259713b0c52
SHA5123082589bb1dfec91df2f9c9869f52888bb9f9d2537c00afb9b7d6dc6ca2a206dd4608c7a5b0dd0b3b5ec94d2a9887d36970fdef91a182d0965e8d61fe81f9a1e
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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/816-73-0x0000000000000000-mapping.dmp
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memory/980-89-0x0000000000400000-0x0000000000469000-memory.dmpFilesize
420KB
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memory/980-85-0x0000000000000000-mapping.dmp
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memory/980-88-0x00000000004FD000-0x000000000051C000-memory.dmpFilesize
124KB
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memory/1128-54-0x0000000076961000-0x0000000076963000-memory.dmpFilesize
8KB
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memory/1128-61-0x0000000000400000-0x0000000000469000-memory.dmpFilesize
420KB
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memory/1128-60-0x00000000002A0000-0x00000000002DE000-memory.dmpFilesize
248KB
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memory/1128-59-0x00000000004FD000-0x000000000051C000-memory.dmpFilesize
124KB
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memory/1624-63-0x0000000000000000-mapping.dmp
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memory/1716-57-0x0000000000000000-mapping.dmp
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memory/1716-67-0x0000000000400000-0x0000000000469000-memory.dmpFilesize
420KB
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memory/1716-66-0x0000000000400000-0x0000000000469000-memory.dmpFilesize
420KB
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memory/1716-65-0x00000000002AD000-0x00000000002CC000-memory.dmpFilesize
124KB
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memory/1912-80-0x0000000000000000-mapping.dmp
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memory/1912-83-0x00000000005BD000-0x00000000005DC000-memory.dmpFilesize
124KB
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memory/1912-84-0x0000000000400000-0x0000000000469000-memory.dmpFilesize
420KB
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memory/1960-72-0x0000000000400000-0x0000000000469000-memory.dmpFilesize
420KB
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memory/1960-71-0x000000000054D000-0x000000000056C000-memory.dmpFilesize
124KB
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memory/1960-68-0x0000000000000000-mapping.dmp