Analysis
- max time kernel
157s - max time network
144s - platform
windows10_x64 - resource
win10-en-20211014 - submitted
26/11/2021, 09:26
Static task
static1
Behavioral task
behavioral1
Sample
a35a441cebe6101f1b6c2bccc4ef43fb86e45374628763843f4992bcee41d58e.dll
Resource
win7-en-20211104
0 signatures
0 seconds
General
- Target a35a441cebe6101f1b6c2bccc4ef43fb86e45374628763843f4992bcee41d58e.dll
- Size 1.6MB
- Sample211126-ld769sbecn
- SHA256 a35a441cebe6101f1b6c2bccc4ef43fb86e45374628763843f4992bcee41d58e
- MD5 6bad7f03803d4f94524b181c5d6506bb
- SHA1 93172fa64d9af49115ff46fda12470f698e618c3
- SHA512 120ee29297344139becdb72d771833180a344f5b01831bbe1e46ffae16673d3a2d4836ed43d69456c46c61f04f4323b1f7c60c4050e0e3102041d3feda133ed1
- MD5 SHA1 SHA512
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/3024-122-0x0000000000D10000-0x0000000000D11000-memory.dmp dridex_stager_shellcode - Executes dropped EXE 3 IoCs
pid Process 480 MDMAppInstaller.exe 3456 SystemPropertiesDataExecutionPrevention.exe 1816 sethc.exe - Loads dropped DLL 3 IoCs
pid Process 480 MDMAppInstaller.exe 3456 SystemPropertiesDataExecutionPrevention.exe 1816 sethc.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\Slqggwbvaxk = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\SystemCertificates\\My\\CRLs\\FDW\\SystemPropertiesDataExecutionPrevention.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA MDMAppInstaller.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SystemPropertiesDataExecutionPrevention.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA sethc.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 504 regsvr32.exe 504 regsvr32.exe 504 regsvr32.exe 504 regsvr32.exe 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 480 MDMAppInstaller.exe 480 MDMAppInstaller.exe 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3024 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3024 wrote to memory of 296 3024 Process not Found 68 PID 3024 wrote to memory of 296 3024 Process not Found 68 PID 3024 wrote to memory of 480 3024 Process not Found 69 PID 3024 wrote to memory of 480 3024 Process not Found 69 PID 3024 wrote to memory of 3928 3024 Process not Found 70 PID 3024 wrote to memory of 3928 3024 Process not Found 70 PID 3024 wrote to memory of 3456 3024 Process not Found 71 PID 3024 wrote to memory of 3456 3024 Process not Found 71 PID 3024 wrote to memory of 3252 3024 Process not Found 72 PID 3024 wrote to memory of 3252 3024 Process not Found 72 PID 3024 wrote to memory of 1816 3024 Process not Found 73 PID 3024 wrote to memory of 1816 3024 Process not Found 73
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\a35a441cebe6101f1b6c2bccc4ef43fb86e45374628763843f4992bcee41d58e.dll1⤵
- Suspicious behavior: EnumeratesProcesses
PID:504
-
C:\Windows\system32\MDMAppInstaller.exeC:\Windows\system32\MDMAppInstaller.exe1⤵PID:296
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C:\Users\Admin\AppData\Local\1ykoIv9\MDMAppInstaller.exeC:\Users\Admin\AppData\Local\1ykoIv9\MDMAppInstaller.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:480
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C:\Windows\system32\SystemPropertiesDataExecutionPrevention.exeC:\Windows\system32\SystemPropertiesDataExecutionPrevention.exe1⤵PID:3928
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C:\Users\Admin\AppData\Local\2M5Z\SystemPropertiesDataExecutionPrevention.exeC:\Users\Admin\AppData\Local\2M5Z\SystemPropertiesDataExecutionPrevention.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3456
-
C:\Windows\system32\sethc.exeC:\Windows\system32\sethc.exe1⤵PID:3252
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C:\Users\Admin\AppData\Local\jXj01\sethc.exeC:\Users\Admin\AppData\Local\jXj01\sethc.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1816