Analysis
- max time kernel
143s - max time network
154s - platform
windows10_x64 - resource
win10-en - submitted
09/09/2021, 10:09
Static task
static1
Behavioral task
behavioral1
Sample
dc0017df1ab6b222fb78a279a5fda28d.exe
Resource
win7-en
0 signatures
0 seconds
General
- Target dc0017df1ab6b222fb78a279a5fda28d.exe
- Size 1.1MB
- Sample210909-l6smaabbck
- SHA256 247b4e32c0a8a4d4dea1362f22fa214ef5ce234ffba6d34cba720c6b71da61ec
- MD5 dc0017df1ab6b222fb78a279a5fda28d
- SHA1 cbd9203364e2221e678c600b9d3f27ce661be3e5
- SHA512 341901b98c334cdb59864ba4b610466a0f73026bea0b206e37888f96959b960f0405483495ad35c89e1f578d02a0497a9ec462c000e40b827ab7525e31993820
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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danabot
Version
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2033
Botnet
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4
C2
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23.229.29.48:443
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5.9.224.204:443
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192.210.222.81:443
Attributes
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embedded_hash
0E1A7A1479C37094441FA911262B322A
Signatures
- Danabot Loader Component 6 IoCs
resource yara_rule behavioral2/files/0x000700000001aaf5-118.dat DanabotLoader2021 behavioral2/files/0x000700000001aaf5-119.dat DanabotLoader2021 behavioral2/files/0x000700000001aaf5-128.dat DanabotLoader2021 behavioral2/memory/1680-129-0x0000000000920000-0x0000000000A7F000-memory.dmp DanabotLoader2021 behavioral2/files/0x000700000001aaf5-127.dat DanabotLoader2021 behavioral2/files/0x000700000001aaf5-138.dat DanabotLoader2021 - Blocklisted process makes network request 1 IoCs
flow pid Process 16 4392 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 4392 rundll32.exe 1680 RUNDLL32.EXE 1680 RUNDLL32.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 Program Files directory 1 IoCs
description ioc Process File created C:\PROGRA~3\Gskyj.tmp rundll32.exe - Program crash 1 IoCs
pid pid_target Process procid_target 4004 3076 WerFault.exe 83 - Checks processor information in registry 2 TTPs 20 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data RUNDLL32.EXE Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Status RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1 RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RUNDLL32.EXE Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz RUNDLL32.EXE Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 RUNDLL32.EXE - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4684 wrote to memory of 4392 4684 dc0017df1ab6b222fb78a279a5fda28d.exe 79 PID 4684 wrote to memory of 4392 4684 dc0017df1ab6b222fb78a279a5fda28d.exe 79 PID 4684 wrote to memory of 4392 4684 dc0017df1ab6b222fb78a279a5fda28d.exe 79 PID 4392 wrote to memory of 1680 4392 rundll32.exe 80 PID 4392 wrote to memory of 1680 4392 rundll32.exe 80 PID 4392 wrote to memory of 1680 4392 rundll32.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\dc0017df1ab6b222fb78a279a5fda28d.exe"C:\Users\Admin\AppData\Local\Temp\dc0017df1ab6b222fb78a279a5fda28d.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\DC0017~1.DLL,s C:\Users\Admin\AppData\Local\Temp\DC0017~1.EXE2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4392 -
C:\Windows\SysWOW64\RUNDLL32.EXEC:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\DC0017~1.DLL,QCwUcUI=3⤵
- Loads dropped DLL
- Checks processor information in registry
PID:1680 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\DC0017~1.DLL4⤵PID:4424
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C:\Windows\SysWOW64\RUNDLL32.EXEC:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\DC0017~1.DLL,LCEKVjY=4⤵PID:3076
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C:\Windows\system32\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 175545⤵PID:4056
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C:\Windows\system32\ctfmon.exectfmon.exe6⤵PID:3060
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 7805⤵
- Program crash
PID:4004
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmp1CAC.tmp.ps1"4⤵PID:1220
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