Analysis
-
max time kernel
128s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 03:52
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
General
-
Target
file.exe
-
Size
206KB
-
MD5
99eb0821bf77a45bb19300819ba8712f
-
SHA1
8a45e7af8b9c5e6bc66068375d783b93fdfa9447
-
SHA256
209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e
-
SHA512
c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b
-
SSDEEP
3072:R0cVsFuzOk14P0j65XRWude3ZnKPUnEp40R/zXy9tAHyQnEnd/G8ZjfSNItdoh:R/s3kGPiua1I+EFR/jGCH2pZjAuo
Malware Config
Extracted
amadey
3.50
31.41.244.17/hfk3vK9/index.php
Signatures
-
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 2040 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 648 gntuud.exe 1864 gntuud.exe 880 gntuud.exe -
Loads dropped DLL 6 IoCs
Processes:
file.exerundll32.exepid process 1104 file.exe 1104 file.exe 2040 rundll32.exe 2040 rundll32.exe 2040 rundll32.exe 2040 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.
-
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.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exepid process 2040 rundll32.exe 2040 rundll32.exe 2040 rundll32.exe 2040 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
file.exegntuud.exetaskeng.exedescription pid process target process PID 1104 wrote to memory of 648 1104 file.exe gntuud.exe PID 1104 wrote to memory of 648 1104 file.exe gntuud.exe PID 1104 wrote to memory of 648 1104 file.exe gntuud.exe PID 1104 wrote to memory of 648 1104 file.exe gntuud.exe PID 648 wrote to memory of 460 648 gntuud.exe schtasks.exe PID 648 wrote to memory of 460 648 gntuud.exe schtasks.exe PID 648 wrote to memory of 460 648 gntuud.exe schtasks.exe PID 648 wrote to memory of 460 648 gntuud.exe schtasks.exe PID 648 wrote to memory of 2040 648 gntuud.exe rundll32.exe PID 648 wrote to memory of 2040 648 gntuud.exe rundll32.exe PID 648 wrote to memory of 2040 648 gntuud.exe rundll32.exe PID 648 wrote to memory of 2040 648 gntuud.exe rundll32.exe PID 648 wrote to memory of 2040 648 gntuud.exe rundll32.exe PID 648 wrote to memory of 2040 648 gntuud.exe rundll32.exe PID 648 wrote to memory of 2040 648 gntuud.exe rundll32.exe PID 392 wrote to memory of 1864 392 taskeng.exe gntuud.exe PID 392 wrote to memory of 1864 392 taskeng.exe gntuud.exe PID 392 wrote to memory of 1864 392 taskeng.exe gntuud.exe PID 392 wrote to memory of 1864 392 taskeng.exe gntuud.exe PID 392 wrote to memory of 880 392 taskeng.exe gntuud.exe PID 392 wrote to memory of 880 392 taskeng.exe gntuud.exe PID 392 wrote to memory of 880 392 taskeng.exe gntuud.exe PID 392 wrote to memory of 880 392 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
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
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
-
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)
-
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
-
C:\Windows\system32\taskeng.exetaskeng.exe {5DD3444F-6E12-436F-A9AA-34E3C1C4BE73} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
-
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
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
206KB
MD599eb0821bf77a45bb19300819ba8712f
SHA18a45e7af8b9c5e6bc66068375d783b93fdfa9447
SHA256209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e
SHA512c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
206KB
MD599eb0821bf77a45bb19300819ba8712f
SHA18a45e7af8b9c5e6bc66068375d783b93fdfa9447
SHA256209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e
SHA512c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
206KB
MD599eb0821bf77a45bb19300819ba8712f
SHA18a45e7af8b9c5e6bc66068375d783b93fdfa9447
SHA256209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e
SHA512c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
206KB
MD599eb0821bf77a45bb19300819ba8712f
SHA18a45e7af8b9c5e6bc66068375d783b93fdfa9447
SHA256209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e
SHA512c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b
-
C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
-
\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
206KB
MD599eb0821bf77a45bb19300819ba8712f
SHA18a45e7af8b9c5e6bc66068375d783b93fdfa9447
SHA256209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e
SHA512c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b
-
\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
206KB
MD599eb0821bf77a45bb19300819ba8712f
SHA18a45e7af8b9c5e6bc66068375d783b93fdfa9447
SHA256209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e
SHA512c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b
-
\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
-
\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
-
\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
-
\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dllFilesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
-
memory/460-67-0x0000000000000000-mapping.dmp
-
memory/648-70-0x0000000000C6B000-0x0000000000C8A000-memory.dmpFilesize
124KB
-
memory/648-60-0x0000000000000000-mapping.dmp
-
memory/648-69-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
-
memory/648-65-0x0000000000C6B000-0x0000000000C8A000-memory.dmpFilesize
124KB
-
memory/648-71-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
-
memory/648-66-0x0000000000260000-0x000000000029E000-memory.dmpFilesize
248KB
-
memory/880-84-0x0000000000000000-mapping.dmp
-
memory/880-88-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
-
memory/880-87-0x0000000000C0B000-0x0000000000C2A000-memory.dmpFilesize
124KB
-
memory/1104-62-0x0000000000B7B000-0x0000000000B9A000-memory.dmpFilesize
124KB
-
memory/1104-54-0x0000000075BB1000-0x0000000075BB3000-memory.dmpFilesize
8KB
-
memory/1104-57-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
-
memory/1104-55-0x0000000000B7B000-0x0000000000B9A000-memory.dmpFilesize
124KB
-
memory/1104-63-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
-
memory/1104-56-0x00000000002A0000-0x00000000002DE000-memory.dmpFilesize
248KB
-
memory/1864-82-0x0000000000CAB000-0x0000000000CCA000-memory.dmpFilesize
124KB
-
memory/1864-83-0x0000000000400000-0x0000000000AE5000-memory.dmpFilesize
6.9MB
-
memory/1864-79-0x0000000000000000-mapping.dmp
-
memory/2040-72-0x0000000000000000-mapping.dmp