Analysis
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max time kernel
21s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
14-01-2023 21:13
Behavioral task
behavioral1
Sample
dControl.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
dControl.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
dControl.exe
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Size
447KB
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MD5
58008524a6473bdf86c1040a9a9e39c3
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SHA1
cb704d2e8df80fd3500a5b817966dc262d80ddb8
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SHA256
1ef6c1a4dfdc39b63bfe650ca81ab89510de6c0d3d7c608ac5be80033e559326
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SHA512
8cf492584303523bf6cdfeb6b1b779ee44471c91e759ce32fd4849547b6245d4ed86af5b38d1c6979729a77f312ba91c48207a332ae1589a6e25de67ffb96c31
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SSDEEP
6144:Vzv+kSn74iCmfianQGDM3OXTWRDy9GYQDUmJFXIXHrsUBnBTF8JJCYrYNsQJzfgu:Vzcn7EanlQiWtYhmJFSwUBLcQZfgiD
Malware Config
Signatures
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Modifies security service 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Start = "4" dControl.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Start = "2" dControl.exe -
resource yara_rule behavioral1/memory/1652-56-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/1144-57-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/1144-59-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/936-60-0x0000000000400000-0x00000000004CD000-memory.dmp upx behavioral1/memory/936-61-0x0000000000400000-0x00000000004CD000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\DisableAntiSpyware = "1" dControl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\DisableAntiVirus = "1" dControl.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Real-Time Protection dControl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dControl.exe -
AutoIT Executable 5 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/1652-56-0x0000000000400000-0x00000000004CD000-memory.dmp autoit_exe behavioral1/memory/1144-57-0x0000000000400000-0x00000000004CD000-memory.dmp autoit_exe behavioral1/memory/1144-59-0x0000000000400000-0x00000000004CD000-memory.dmp autoit_exe behavioral1/memory/936-60-0x0000000000400000-0x00000000004CD000-memory.dmp autoit_exe behavioral1/memory/936-61-0x0000000000400000-0x00000000004CD000-memory.dmp autoit_exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol dControl.exe File opened for modification C:\Windows\System32\GroupPolicy\gpt.ini dControl.exe File opened for modification C:\Windows\System32\GroupPolicy\Machine\Registry.pol dControl.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Logs\CBS\CbsPersist_20230114221405.cab makecab.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1652 dControl.exe 1652 dControl.exe 1652 dControl.exe 1144 dControl.exe 1144 dControl.exe 1144 dControl.exe 936 dControl.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 1652 dControl.exe Token: SeAssignPrimaryTokenPrivilege 1652 dControl.exe Token: SeIncreaseQuotaPrivilege 1652 dControl.exe Token: 0 1652 dControl.exe Token: SeDebugPrivilege 1144 dControl.exe Token: SeAssignPrimaryTokenPrivilege 1144 dControl.exe Token: SeIncreaseQuotaPrivilege 1144 dControl.exe -
Suspicious use of FindShellTrayWindow 33 IoCs
pid Process 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe -
Suspicious use of SendNotifyMessage 33 IoCs
pid Process 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe 936 dControl.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dControl.exe"C:\Users\Admin\AppData\Local\Temp\dControl.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1652 -
C:\Users\Admin\AppData\Local\Temp\dControl.exeC:\Users\Admin\AppData\Local\Temp\dControl.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1144 -
C:\Users\Admin\AppData\Local\Temp\dControl.exe"C:\Users\Admin\AppData\Local\Temp\dControl.exe" /TI3⤵
- Modifies security service
- Windows security modification
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:936
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C:\Windows\system32\makecab.exe"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20230114221405.log C:\Windows\Logs\CBS\CbsPersist_20230114221405.cab1⤵
- Drops file in Windows directory
PID:1288
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C:\Windows\system32\gpscript.exegpscript.exe /RefreshSystemParam1⤵PID:1740
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C:\Windows\system32\gpscript.exegpscript.exe /RefreshSystemParam1⤵PID:1068
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C:\Windows\system32\gpscript.exegpscript.exe /RefreshSystemParam1⤵PID:1988