Analysis
-
max time kernel
96s -
max time network
99s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02-10-2022 23:31
Static task
static1
Behavioral task
behavioral1
Sample
cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe
Resource
win7-20220812-en
General
-
Target
cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe
-
Size
1.4MB
-
MD5
4c221b164dce6a0bf5f363ec58eadad0
-
SHA1
b262dc46f23151c6d96c72f8f9eca618510f69bb
-
SHA256
cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1
-
SHA512
56683daf26fc6e9aed6444bb3f87ea35a3f509b05fd0329d82deee086ee371bd6ec8975d587e6810b6bae55d2cecfa216bfde48a5f04024d865748d187a95207
-
SSDEEP
24576:ZNmF/mnBoDM5f7F2FdcclPqVX7TwBTGQOD6N+FrFcWwWdXwMKfFtzpCGV9o984wq:ZYVZo5TcFB1osWwWdw/v19hKL5ic/RT
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
ms.exepid process 324 ms.exe -
Possible privilege escalation attempt 2 IoCs
Processes:
takeown.exeicacls.exepid process 1644 takeown.exe 1744 icacls.exe -
Loads dropped DLL 1 IoCs
Processes:
cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exepid process 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 1644 takeown.exe 1744 icacls.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in Windows directory 2 IoCs
Processes:
cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exedescription ioc process File opened for modification C:\WINDOWS\Bef.tmp cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe File opened for modification C:\Windows\yre.tmp cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe -
Suspicious behavior: EnumeratesProcesses 37 IoCs
Processes:
cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exepid process 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
takeown.exedescription pid process Token: SeTakeOwnershipPrivilege 1644 takeown.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
ms.exepid process 324 ms.exe 324 ms.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exems.exedescription pid process target process PID 1704 wrote to memory of 324 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe ms.exe PID 1704 wrote to memory of 324 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe ms.exe PID 1704 wrote to memory of 324 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe ms.exe PID 1704 wrote to memory of 324 1704 cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe ms.exe PID 324 wrote to memory of 1644 324 ms.exe takeown.exe PID 324 wrote to memory of 1644 324 ms.exe takeown.exe PID 324 wrote to memory of 1644 324 ms.exe takeown.exe PID 324 wrote to memory of 1644 324 ms.exe takeown.exe PID 324 wrote to memory of 1744 324 ms.exe icacls.exe PID 324 wrote to memory of 1744 324 ms.exe icacls.exe PID 324 wrote to memory of 1744 324 ms.exe icacls.exe PID 324 wrote to memory of 1744 324 ms.exe icacls.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe"C:\Users\Admin\AppData\Local\Temp\cd4f35f8a659fbc19a92c0493696f245633814bf40eff4049b4885509a8e84e1.exe"1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ms.exeC:\Users\Admin\AppData\Local\Temp\ms.exe k2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\takeown.exetakeown /f "C:\WINDOWS\system32\Sens.dll"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\icacls.exeicacls "C:\WINDOWS\system32\Sens.dll" /grant administrators:F3⤵
- Possible privilege escalation attempt
- Modifies file permissions
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\ms.exeFilesize
374KB
MD5329669196318038de3802d01041a603c
SHA1daf696b3c0994f32cc5949788f08d4d9ba2c33ef
SHA25602a939bb31cb50260f0bdfa59bb4417466fd121373964d99e343b43ff05f35a4
SHA512a707d4a2effbf087c5208f9bd1e539a492bd809a488c1340712f1b7fe0093f41d8af0926a4b9a88542e980bc77b1469aeb2b2255936e77a386ad213de7d01bb8
-
C:\Users\Admin\AppData\Local\Temp\ms.exeFilesize
374KB
MD5329669196318038de3802d01041a603c
SHA1daf696b3c0994f32cc5949788f08d4d9ba2c33ef
SHA25602a939bb31cb50260f0bdfa59bb4417466fd121373964d99e343b43ff05f35a4
SHA512a707d4a2effbf087c5208f9bd1e539a492bd809a488c1340712f1b7fe0093f41d8af0926a4b9a88542e980bc77b1469aeb2b2255936e77a386ad213de7d01bb8
-
\Users\Admin\AppData\Local\Temp\ms.exeFilesize
374KB
MD5329669196318038de3802d01041a603c
SHA1daf696b3c0994f32cc5949788f08d4d9ba2c33ef
SHA25602a939bb31cb50260f0bdfa59bb4417466fd121373964d99e343b43ff05f35a4
SHA512a707d4a2effbf087c5208f9bd1e539a492bd809a488c1340712f1b7fe0093f41d8af0926a4b9a88542e980bc77b1469aeb2b2255936e77a386ad213de7d01bb8
-
memory/324-56-0x0000000000000000-mapping.dmp
-
memory/1644-60-0x0000000000000000-mapping.dmp
-
memory/1704-54-0x0000000075C51000-0x0000000075C53000-memory.dmpFilesize
8KB
-
memory/1744-61-0x0000000000000000-mapping.dmp