Analysis
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max time kernel
160s -
max time network
177s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 02:27
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
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Target
file.exe
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Size
206KB
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MD5
633fab4f44befda65c9300b66f93c488
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SHA1
44de5da56f123e12995d34db76be6c1e0b3027c0
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SHA256
45c97782c15c48a02539b4c6f5875fc8f5a6af5b32629f549e28a060032efa32
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SHA512
434525b849fc81fb1ede979cc6ad2d570d72fd9fab151c598af97bda4e8ba5a9ffa86bc171ca336d21cdfb0bc8697ab48a7ce784e76596425a8fcba336737d46
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SSDEEP
6144:lMyTs2MIR2bLTfuySri1AYCuyhi+BdQkOe:lMyTs2l2bGrxGH+A
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 1172 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 1252 gntuud.exe 1540 gntuud.exe 960 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exerundll32.exepid process 992 file.exe 992 file.exe 1172 rundll32.exe 1172 rundll32.exe 1172 rundll32.exe 1172 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-1-5-21-3845472200-3839195424-595303356-1000\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 1172 rundll32.exe 1172 rundll32.exe 1172 rundll32.exe 1172 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
file.exegntuud.exetaskeng.exedescription pid process target process PID 992 wrote to memory of 1252 992 file.exe gntuud.exe PID 992 wrote to memory of 1252 992 file.exe gntuud.exe PID 992 wrote to memory of 1252 992 file.exe gntuud.exe PID 992 wrote to memory of 1252 992 file.exe gntuud.exe PID 1252 wrote to memory of 628 1252 gntuud.exe schtasks.exe PID 1252 wrote to memory of 628 1252 gntuud.exe schtasks.exe PID 1252 wrote to memory of 628 1252 gntuud.exe schtasks.exe PID 1252 wrote to memory of 628 1252 gntuud.exe schtasks.exe PID 1252 wrote to memory of 1172 1252 gntuud.exe rundll32.exe PID 1252 wrote to memory of 1172 1252 gntuud.exe rundll32.exe PID 1252 wrote to memory of 1172 1252 gntuud.exe rundll32.exe PID 1252 wrote to memory of 1172 1252 gntuud.exe rundll32.exe PID 1252 wrote to memory of 1172 1252 gntuud.exe rundll32.exe PID 1252 wrote to memory of 1172 1252 gntuud.exe rundll32.exe PID 1252 wrote to memory of 1172 1252 gntuud.exe rundll32.exe PID 1032 wrote to memory of 1540 1032 taskeng.exe gntuud.exe PID 1032 wrote to memory of 1540 1032 taskeng.exe gntuud.exe PID 1032 wrote to memory of 1540 1032 taskeng.exe gntuud.exe PID 1032 wrote to memory of 1540 1032 taskeng.exe gntuud.exe PID 1032 wrote to memory of 960 1032 taskeng.exe gntuud.exe PID 1032 wrote to memory of 960 1032 taskeng.exe gntuud.exe PID 1032 wrote to memory of 960 1032 taskeng.exe gntuud.exe PID 1032 wrote to memory of 960 1032 taskeng.exe gntuud.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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 {1F07F638-2661-4A4C-9BDB-E3CB584991C0} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\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
206KB
MD5633fab4f44befda65c9300b66f93c488
SHA144de5da56f123e12995d34db76be6c1e0b3027c0
SHA25645c97782c15c48a02539b4c6f5875fc8f5a6af5b32629f549e28a060032efa32
SHA512434525b849fc81fb1ede979cc6ad2d570d72fd9fab151c598af97bda4e8ba5a9ffa86bc171ca336d21cdfb0bc8697ab48a7ce784e76596425a8fcba336737d46
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
206KB
MD5633fab4f44befda65c9300b66f93c488
SHA144de5da56f123e12995d34db76be6c1e0b3027c0
SHA25645c97782c15c48a02539b4c6f5875fc8f5a6af5b32629f549e28a060032efa32
SHA512434525b849fc81fb1ede979cc6ad2d570d72fd9fab151c598af97bda4e8ba5a9ffa86bc171ca336d21cdfb0bc8697ab48a7ce784e76596425a8fcba336737d46
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
206KB
MD5633fab4f44befda65c9300b66f93c488
SHA144de5da56f123e12995d34db76be6c1e0b3027c0
SHA25645c97782c15c48a02539b4c6f5875fc8f5a6af5b32629f549e28a060032efa32
SHA512434525b849fc81fb1ede979cc6ad2d570d72fd9fab151c598af97bda4e8ba5a9ffa86bc171ca336d21cdfb0bc8697ab48a7ce784e76596425a8fcba336737d46
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
206KB
MD5633fab4f44befda65c9300b66f93c488
SHA144de5da56f123e12995d34db76be6c1e0b3027c0
SHA25645c97782c15c48a02539b4c6f5875fc8f5a6af5b32629f549e28a060032efa32
SHA512434525b849fc81fb1ede979cc6ad2d570d72fd9fab151c598af97bda4e8ba5a9ffa86bc171ca336d21cdfb0bc8697ab48a7ce784e76596425a8fcba336737d46
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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
206KB
MD5633fab4f44befda65c9300b66f93c488
SHA144de5da56f123e12995d34db76be6c1e0b3027c0
SHA25645c97782c15c48a02539b4c6f5875fc8f5a6af5b32629f549e28a060032efa32
SHA512434525b849fc81fb1ede979cc6ad2d570d72fd9fab151c598af97bda4e8ba5a9ffa86bc171ca336d21cdfb0bc8697ab48a7ce784e76596425a8fcba336737d46
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\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
206KB
MD5633fab4f44befda65c9300b66f93c488
SHA144de5da56f123e12995d34db76be6c1e0b3027c0
SHA25645c97782c15c48a02539b4c6f5875fc8f5a6af5b32629f549e28a060032efa32
SHA512434525b849fc81fb1ede979cc6ad2d570d72fd9fab151c598af97bda4e8ba5a9ffa86bc171ca336d21cdfb0bc8697ab48a7ce784e76596425a8fcba336737d46
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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/628-65-0x0000000000000000-mapping.dmp
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memory/960-86-0x0000000000BEB000-0x0000000000C0A000-memory.dmpFilesize
124KB
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memory/960-83-0x0000000000000000-mapping.dmp
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memory/960-87-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/992-54-0x0000000076041000-0x0000000076043000-memory.dmpFilesize
8KB
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memory/992-63-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/992-62-0x0000000000C6B000-0x0000000000C8A000-memory.dmpFilesize
124KB
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memory/992-57-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/992-55-0x0000000000C6B000-0x0000000000C8A000-memory.dmpFilesize
124KB
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memory/992-56-0x0000000000260000-0x000000000029E000-memory.dmpFilesize
248KB
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memory/1172-77-0x0000000000161000-0x000000000017B000-memory.dmpFilesize
104KB
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memory/1172-70-0x0000000000000000-mapping.dmp
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memory/1252-69-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1252-68-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
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memory/1252-67-0x0000000000BFB000-0x0000000000C1A000-memory.dmpFilesize
124KB
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memory/1252-60-0x0000000000000000-mapping.dmp
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memory/1540-78-0x0000000000000000-mapping.dmp
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memory/1540-81-0x0000000000C4B000-0x0000000000C6A000-memory.dmpFilesize
124KB
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memory/1540-82-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB