Analysis
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max time kernel
92s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 14:36
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
207KB
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MD5
3aac99a54cfdd924ec513a839b25e03b
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SHA1
0ba641dc2a9feb7d686a8750d33402ef77402918
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SHA256
46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b
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SHA512
27ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a
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SSDEEP
3072:ixjTCc9AiGJlcn5q1Wf1PMaWFYRri6CEDBDY6wTwgdxfcXOWq3APnLRPHc:kTCqAiQlrWf1kXGNBckgHBTQjRP
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 \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module 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 -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 5 804 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 276 gntuud.exe 2040 gntuud.exe 1012 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exerundll32.exepid process 1468 file.exe 1468 file.exe 804 rundll32.exe 804 rundll32.exe 804 rundll32.exe 804 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 804 rundll32.exe 804 rundll32.exe 804 rundll32.exe 804 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
file.exegntuud.exetaskeng.exedescription pid process target process PID 1468 wrote to memory of 276 1468 file.exe gntuud.exe PID 1468 wrote to memory of 276 1468 file.exe gntuud.exe PID 1468 wrote to memory of 276 1468 file.exe gntuud.exe PID 1468 wrote to memory of 276 1468 file.exe gntuud.exe PID 276 wrote to memory of 592 276 gntuud.exe schtasks.exe PID 276 wrote to memory of 592 276 gntuud.exe schtasks.exe PID 276 wrote to memory of 592 276 gntuud.exe schtasks.exe PID 276 wrote to memory of 592 276 gntuud.exe schtasks.exe PID 1888 wrote to memory of 2040 1888 taskeng.exe gntuud.exe PID 1888 wrote to memory of 2040 1888 taskeng.exe gntuud.exe PID 1888 wrote to memory of 2040 1888 taskeng.exe gntuud.exe PID 1888 wrote to memory of 2040 1888 taskeng.exe gntuud.exe PID 276 wrote to memory of 804 276 gntuud.exe rundll32.exe PID 276 wrote to memory of 804 276 gntuud.exe rundll32.exe PID 276 wrote to memory of 804 276 gntuud.exe rundll32.exe PID 276 wrote to memory of 804 276 gntuud.exe rundll32.exe PID 276 wrote to memory of 804 276 gntuud.exe rundll32.exe PID 276 wrote to memory of 804 276 gntuud.exe rundll32.exe PID 276 wrote to memory of 804 276 gntuud.exe rundll32.exe PID 1888 wrote to memory of 1012 1888 taskeng.exe gntuud.exe PID 1888 wrote to memory of 1012 1888 taskeng.exe gntuud.exe PID 1888 wrote to memory of 1012 1888 taskeng.exe gntuud.exe PID 1888 wrote to memory of 1012 1888 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:1468 -
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:276 -
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:592 -
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:804
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C:\Windows\system32\taskeng.exetaskeng.exe {717795B8-D354-4125-A48C-0448967B02C0} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1888 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
PID:2040 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
PID:1012
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
207KB
MD53aac99a54cfdd924ec513a839b25e03b
SHA10ba641dc2a9feb7d686a8750d33402ef77402918
SHA25646b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b
SHA51227ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
207KB
MD53aac99a54cfdd924ec513a839b25e03b
SHA10ba641dc2a9feb7d686a8750d33402ef77402918
SHA25646b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b
SHA51227ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
207KB
MD53aac99a54cfdd924ec513a839b25e03b
SHA10ba641dc2a9feb7d686a8750d33402ef77402918
SHA25646b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b
SHA51227ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
207KB
MD53aac99a54cfdd924ec513a839b25e03b
SHA10ba641dc2a9feb7d686a8750d33402ef77402918
SHA25646b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b
SHA51227ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a
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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
207KB
MD53aac99a54cfdd924ec513a839b25e03b
SHA10ba641dc2a9feb7d686a8750d33402ef77402918
SHA25646b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b
SHA51227ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a
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\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
207KB
MD53aac99a54cfdd924ec513a839b25e03b
SHA10ba641dc2a9feb7d686a8750d33402ef77402918
SHA25646b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b
SHA51227ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a
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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/276-60-0x0000000000000000-mapping.dmp
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memory/276-67-0x0000000000F6B000-0x0000000000F8A000-memory.dmpFilesize
124KB
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memory/276-68-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/276-69-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/592-65-0x0000000000000000-mapping.dmp
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memory/804-75-0x0000000000000000-mapping.dmp
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memory/1012-86-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/1012-85-0x0000000000BBB000-0x0000000000BDA000-memory.dmpFilesize
124KB
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memory/1012-82-0x0000000000000000-mapping.dmp
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memory/1468-55-0x0000000000C2B000-0x0000000000C4A000-memory.dmpFilesize
124KB
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memory/1468-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmpFilesize
8KB
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memory/1468-62-0x0000000000C2B000-0x0000000000C4A000-memory.dmpFilesize
124KB
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memory/1468-57-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/1468-63-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/1468-56-0x0000000000220000-0x000000000025E000-memory.dmpFilesize
248KB
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memory/2040-74-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
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memory/2040-73-0x0000000000C2B000-0x0000000000C4A000-memory.dmpFilesize
124KB
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memory/2040-70-0x0000000000000000-mapping.dmp