Analysis
- max time kernel
133s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
11/01/2024, 04:45
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
52921a3e103fd1c2ff41ad9c8626052c.dll
Resource
win7-20231215-en
10 signatures
150 seconds
General
- Target 52921a3e103fd1c2ff41ad9c8626052c.dll
- Size 1.7MB
- Sample240111-fdpf9sffe8
- SHA256 8d32c506d16586935ad634dccef4012f5b280e355aeea78e563fc24fda21a6f7
- MD5 52921a3e103fd1c2ff41ad9c8626052c
- SHA1 8683504aec740b98f66e7c4ff74e9aea709361fc
- SHA512 09a6272dfd1468616fe14fde6b45f3d92b53b087b716116c7b52ea338c6947f6fb4e266cb62b4f6f57df49709b9dfd05441789bddec2a3e60eafffcdd911565f
- SSDEEP 12288:wVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:1fP7fWsK5z9A+WGAW+V5SB6Ct4bnb
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/3508-4-0x0000000007720000-0x0000000007721000-memory.dmp dridex_stager_shellcode - Executes dropped EXE 3 IoCs
pid Process 4224 systemreset.exe 1408 mmc.exe 4508 DeviceEnroller.exe - Loads dropped DLL 3 IoCs
pid Process 4224 systemreset.exe 1408 mmc.exe 4508 DeviceEnroller.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ddiqrdu = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla\\Extensions\\M7rSJBY\\mmc.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA systemreset.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mmc.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA DeviceEnroller.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4216 rundll32.exe 4216 rundll32.exe 4216 rundll32.exe 4216 rundll32.exe 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found 3508 Process not Found - Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeShutdownPrivilege 3508 Process not Found Token: SeCreatePagefilePrivilege 3508 Process not Found Token: SeShutdownPrivilege 3508 Process not Found Token: SeCreatePagefilePrivilege 3508 Process not Found Token: SeShutdownPrivilege 3508 Process not Found Token: SeCreatePagefilePrivilege 3508 Process not Found Token: SeShutdownPrivilege 3508 Process not Found Token: SeCreatePagefilePrivilege 3508 Process not Found Token: SeShutdownPrivilege 3508 Process not Found Token: SeCreatePagefilePrivilege 3508 Process not Found Token: SeShutdownPrivilege 3508 Process not Found Token: SeCreatePagefilePrivilege 3508 Process not Found Token: SeShutdownPrivilege 3508 Process not Found Token: SeCreatePagefilePrivilege 3508 Process not Found Token: SeShutdownPrivilege 3508 Process not Found Token: SeCreatePagefilePrivilege 3508 Process not Found - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3508 Process not Found 3508 Process not Found - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3508 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3508 wrote to memory of 1384 3508 Process not Found 92 PID 3508 wrote to memory of 1384 3508 Process not Found 92 PID 3508 wrote to memory of 4224 3508 Process not Found 95 PID 3508 wrote to memory of 4224 3508 Process not Found 95 PID 3508 wrote to memory of 452 3508 Process not Found 96 PID 3508 wrote to memory of 452 3508 Process not Found 96 PID 3508 wrote to memory of 1408 3508 Process not Found 97 PID 3508 wrote to memory of 1408 3508 Process not Found 97 PID 3508 wrote to memory of 1612 3508 Process not Found 98 PID 3508 wrote to memory of 1612 3508 Process not Found 98 PID 3508 wrote to memory of 4508 3508 Process not Found 99 PID 3508 wrote to memory of 4508 3508 Process not Found 99 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\52921a3e103fd1c2ff41ad9c8626052c.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:4216
-
C:\Windows\system32\systemreset.exeC:\Windows\system32\systemreset.exe1⤵PID:1384
-
C:\Users\Admin\AppData\Local\va2q\systemreset.exeC:\Users\Admin\AppData\Local\va2q\systemreset.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4224
-
C:\Windows\system32\mmc.exeC:\Windows\system32\mmc.exe1⤵PID:452
-
C:\Users\Admin\AppData\Local\beM6\mmc.exeC:\Users\Admin\AppData\Local\beM6\mmc.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1408
-
C:\Windows\system32\DeviceEnroller.exeC:\Windows\system32\DeviceEnroller.exe1⤵PID:1612
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C:\Users\Admin\AppData\Local\cUEj\DeviceEnroller.exeC:\Users\Admin\AppData\Local\cUEj\DeviceEnroller.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4508