Analysis
- max time kernel
141s - max time network
140s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
06/10/2021, 09:28
Static task
static1
Behavioral task
behavioral1
Sample
b9c425eb7459450b0dd1d0aac6dd1e77.exe
Resource
win7v20210408
0 signatures
0 seconds
General
- Target b9c425eb7459450b0dd1d0aac6dd1e77.exe
- Size 1.2MB
- Sample211006-lfb7lsbbfp
- SHA256 1c94046bb5594620da42643328011854ddc455c8eca7973a188acd5fbec27655
- MD5 b9c425eb7459450b0dd1d0aac6dd1e77
- SHA1 3867c8c6fda468d6035cf1d966f4991b0df5b5f6
- SHA512 eacdbc3d062ed675c85ca1eda2667eedd12cedee487b8c1176444e38f9e8f4b542feb15c19d8b2fa7657468f9b753384b2b1ac8b213b7ecb4ac1cba15eaefaa0
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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danabot
C2
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142.11.242.31:443
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192.119.110.73:443
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192.210.222.88:443
Attributes
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embedded_hash
F4711E27D559B4AEB1A081A1EB0AC465
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type
loader
rsa_pubkey.plain
rsa_privkey.plain
Extracted
Family
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danabot
Version
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2052
Botnet
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4
C2
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142.11.242.31:443
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192.119.110.73:443
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192.210.222.88:443
Attributes
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embedded_hash
F4711E27D559B4AEB1A081A1EB0AC465
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type
main
rsa_privkey.plain
rsa_pubkey.plain
Signatures
- Danabot Loader Component 4 IoCs
resource yara_rule behavioral2/files/0x000500000001abcb-118.dat DanabotLoader2021 behavioral2/files/0x000500000001abcb-119.dat DanabotLoader2021 behavioral2/files/0x000500000001abcb-123.dat DanabotLoader2021 behavioral2/files/0x000500000001abcb-137.dat DanabotLoader2021 - Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
description pid Process procid_target PID 3448 created 2372 3448 WerFault.exe 70 - Blocklisted process makes network request 2 IoCs
flow pid Process 2 2372 rundll32.exe 5 2708 RUNDLL32.EXE - Loads dropped DLL 3 IoCs
pid Process 2372 rundll32.exe 2708 RUNDLL32.EXE 4080 RUNDLL32.EXE - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4080 set thread context of 680 4080 RUNDLL32.EXE 79 - Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\PROGRA~3\zohplghndapsm.tmp rundll32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
pid pid_target Process procid_target 3448 2372 WerFault.exe 70 - Checks processor information in registry 2 TTPs 43 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\~MHz RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform Specific Field 1 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\Update Status RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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\1\VendorIdentifier RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz 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\Identifier 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\Configuration Data RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1 RUNDLL32.EXE Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString 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\Identifier RUNDLL32.EXE Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RUNDLL32.EXE Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 RUNDLL32.EXE Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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\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\1\Identifier 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\Previous Update Revision RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Revision RUNDLL32.EXE Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier RUNDLL32.EXE Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 RUNDLL32.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Internet Explorer\TypedURLs rundll32.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\0548A156E4C38E5CAA3DB72C3B755D58D8316CF8 RUNDLL32.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\0548A156E4C38E5CAA3DB72C3B755D58D8316CF8\Blob = 0300000001000000140000000548a156e4c38e5caa3db72c3b755d58d8316cf820000000010000006a02000030820266308201cfa00302010202087835eb2873f9768c300d06092a864886f70d01010b050030503132303006035504030c294d6963726f736f66742041757468656e74696a6f646528746d2920526f6f7420417574686f72697479310d300b060355040a0c044d534654310b3009060355040613025553301e170d3139313030373039323932395a170d3233313030363039323932395a30503132303006035504030c294d6963726f736f66742041757468656e74696a6f646528746d2920526f6f7420417574686f72697479310d300b060355040a0c044d534654310b300906035504061302555330819f300d06092a864886f70d010101050003818d0030818902818100e6fdf3742d66773114ed043d414e2606c34e8178c9bf712518158ea686e6edf59b21eea5740c404982fce339bb1368c25dc11484315a0c85c7b16660cf543ba8a5524bde6e539cc9822bb88ae658ec2f1032a1d2676f06aba800d322b38e49743f6c9e72aefbf0aac807934fef23529a929d600ad636b964a28b88c12312255d0203010001a3493047300f0603551d130101ff040530030101ff30340603551d11042d302b82294d6963726f736f66742041757468656e74696a6f646528746d2920526f6f7420417574686f72697479300d06092a864886f70d01010b0500038181004f644f7baf686872f154ebb882ae3a5af15d8d380620c3c12b437bdebfb17182f3a2d648529e5f24a128b266eabe7f4ee215585910f374da834f9fcb60d4c45f206829db3fcecb02bc5049243b8b46ad49a540e28eedb03ffdda2c5899595fe8c639ca5972c9f88ce52720086e3b2b75bb83bb87b4e0c168f6978cf848615aeb RUNDLL32.EXE - Suspicious behavior: EnumeratesProcesses 32 IoCs
pid Process 3448 WerFault.exe 3448 WerFault.exe 3448 WerFault.exe 3448 WerFault.exe 3448 WerFault.exe 3448 WerFault.exe 3448 WerFault.exe 3448 WerFault.exe 3448 WerFault.exe 3448 WerFault.exe 3448 WerFault.exe 3448 WerFault.exe 3448 WerFault.exe 2708 RUNDLL32.EXE 2708 RUNDLL32.EXE 2708 RUNDLL32.EXE 2708 RUNDLL32.EXE 2708 RUNDLL32.EXE 2708 RUNDLL32.EXE 1088 powershell.exe 1088 powershell.exe 4080 RUNDLL32.EXE 4080 RUNDLL32.EXE 1088 powershell.exe 2172 powershell.exe 2172 powershell.exe 2172 powershell.exe 2708 RUNDLL32.EXE 2708 RUNDLL32.EXE 3888 powershell.exe 3888 powershell.exe 3888 powershell.exe - Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeRestorePrivilege 3448 WerFault.exe Token: SeBackupPrivilege 3448 WerFault.exe Token: SeDebugPrivilege 3448 WerFault.exe Token: SeDebugPrivilege 1088 powershell.exe Token: SeDebugPrivilege 2708 RUNDLL32.EXE Token: SeDebugPrivilege 2172 powershell.exe Token: SeDebugPrivilege 3888 powershell.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 680 rundll32.exe 2708 RUNDLL32.EXE - Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 2136 wrote to memory of 2372 2136 b9c425eb7459450b0dd1d0aac6dd1e77.exe 70 PID 2136 wrote to memory of 2372 2136 b9c425eb7459450b0dd1d0aac6dd1e77.exe 70 PID 2136 wrote to memory of 2372 2136 b9c425eb7459450b0dd1d0aac6dd1e77.exe 70 PID 2372 wrote to memory of 2708 2372 rundll32.exe 71 PID 2372 wrote to memory of 2708 2372 rundll32.exe 71 PID 2372 wrote to memory of 2708 2372 rundll32.exe 71 PID 2708 wrote to memory of 1088 2708 RUNDLL32.EXE 76 PID 2708 wrote to memory of 1088 2708 RUNDLL32.EXE 76 PID 2708 wrote to memory of 1088 2708 RUNDLL32.EXE 76 PID 2708 wrote to memory of 4080 2708 RUNDLL32.EXE 78 PID 2708 wrote to memory of 4080 2708 RUNDLL32.EXE 78 PID 2708 wrote to memory of 4080 2708 RUNDLL32.EXE 78 PID 4080 wrote to memory of 680 4080 RUNDLL32.EXE 79 PID 4080 wrote to memory of 680 4080 RUNDLL32.EXE 79 PID 4080 wrote to memory of 680 4080 RUNDLL32.EXE 79 PID 680 wrote to memory of 2012 680 rundll32.exe 80 PID 680 wrote to memory of 2012 680 rundll32.exe 80 PID 2708 wrote to memory of 2172 2708 RUNDLL32.EXE 81 PID 2708 wrote to memory of 2172 2708 RUNDLL32.EXE 81 PID 2708 wrote to memory of 2172 2708 RUNDLL32.EXE 81 PID 2708 wrote to memory of 3888 2708 RUNDLL32.EXE 84 PID 2708 wrote to memory of 3888 2708 RUNDLL32.EXE 84 PID 2708 wrote to memory of 3888 2708 RUNDLL32.EXE 84 PID 3888 wrote to memory of 2264 3888 powershell.exe 86 PID 3888 wrote to memory of 2264 3888 powershell.exe 86 PID 3888 wrote to memory of 2264 3888 powershell.exe 86 PID 2708 wrote to memory of 1512 2708 RUNDLL32.EXE 87 PID 2708 wrote to memory of 1512 2708 RUNDLL32.EXE 87 PID 2708 wrote to memory of 1512 2708 RUNDLL32.EXE 87 PID 2708 wrote to memory of 1124 2708 RUNDLL32.EXE 89 PID 2708 wrote to memory of 1124 2708 RUNDLL32.EXE 89 PID 2708 wrote to memory of 1124 2708 RUNDLL32.EXE 89
Processes
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C:\Users\Admin\AppData\Local\Temp\b9c425eb7459450b0dd1d0aac6dd1e77.exe"C:\Users\Admin\AppData\Local\Temp\b9c425eb7459450b0dd1d0aac6dd1e77.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\B9C425~1.DLL,s C:\Users\Admin\AppData\Local\Temp\B9C425~1.EXE2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Windows\SysWOW64\RUNDLL32.EXEC:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\B9C425~1.DLL,a2EKalE=3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2708 -
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\B9C425~1.DLL4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1088
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C:\Windows\SysWOW64\RUNDLL32.EXEC:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\B9C425~1.DLL,hDVOSjNWTkI=4⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4080 -
C:\Windows\system32\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 196385⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:680 -
C:\Windows\system32\ctfmon.exectfmon.exe6⤵PID:2012
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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\tmpD581.tmp.ps1"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2172
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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\tmpFC93.tmp.ps1"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Windows\SysWOW64\nslookup.exe"C:\Windows\system32\nslookup.exe" -type=any localhost5⤵PID:2264
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C:\Windows\SysWOW64\schtasks.exeschtasks /End /tn \Microsoft\Windows\Wininet\CacheTask4⤵PID:1512
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C:\Windows\SysWOW64\schtasks.exeschtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask4⤵PID:1124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 7923⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3448
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