Analysis
- max time kernel
145s - max time network
148s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
07/10/2021, 16:41
Static task
static1
Behavioral task
behavioral1
Sample
b4c8d7faaec043f8fd767a9c8c648533.exe
Resource
win7-en-20210920
0 signatures
0 seconds
General
- Target b4c8d7faaec043f8fd767a9c8c648533.exe
- Size 1.1MB
- Sample211007-t64njschfr
- SHA256 42e22bf3a9630d312d795db190f16cb7f0d3b51b9903695ed678dfc190240345
- MD5 b4c8d7faaec043f8fd767a9c8c648533
- SHA1 5d0e0a0f09eb6cd5a4b0a3b78a444b6db47d284a
- SHA512 f52aa101c426fda41549f7cfe70455df056bd54ed0f62c721fc7e9e80d52cacaeadc490a7692651412b6145e3c1d9a82e4cbe3b47b90858f8e2c50a26dca8600
- 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 6 IoCs
resource yara_rule behavioral2/files/0x000400000001abb7-119.dat DanabotLoader2021 behavioral2/files/0x000400000001abb7-120.dat DanabotLoader2021 behavioral2/files/0x000400000001abb7-124.dat DanabotLoader2021 behavioral2/files/0x000400000001abb7-135.dat DanabotLoader2021 behavioral2/files/0x000400000001abb7-134.dat DanabotLoader2021 behavioral2/memory/1360-136-0x00000000042A0000-0x0000000004401000-memory.dmp DanabotLoader2021 - Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
description pid Process procid_target PID 2872 created 1932 2872 WerFault.exe 70 - Blocklisted process makes network request 2 IoCs
flow pid Process 23 1932 rundll32.exe 26 3648 RUNDLL32.EXE - Loads dropped DLL 4 IoCs
pid Process 1932 rundll32.exe 3648 RUNDLL32.EXE 1360 RUNDLL32.EXE 1360 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 1360 set thread context of 2080 1360 RUNDLL32.EXE 80 - 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 2872 1932 WerFault.exe 70 - Checks processor information in registry 2 TTPs 41 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Revision 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\0\Configuration Data RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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\VendorIdentifier 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\Update Status RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 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 enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor RUNDLL32.EXE Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 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\~MHz 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 queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier 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\1\Platform Specific Field 1 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\1\Previous Update Revision 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 opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor RUNDLL32.EXE Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor RUNDLL32.EXE Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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\Previous Update Revision 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\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\ProcessorNameString RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information RUNDLL32.EXE Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\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\0\ProcessorNameString RUNDLL32.EXE -
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\05408F224122226D9408B0ECCAC873476CCA33A3\Blob = 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 RUNDLL32.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\05408F224122226D9408B0ECCAC873476CCA33A3 RUNDLL32.EXE - Suspicious behavior: EnumeratesProcesses 32 IoCs
pid Process 3648 RUNDLL32.EXE 3648 RUNDLL32.EXE 3648 RUNDLL32.EXE 3648 RUNDLL32.EXE 3648 RUNDLL32.EXE 3648 RUNDLL32.EXE 2872 WerFault.exe 2872 WerFault.exe 2872 WerFault.exe 2872 WerFault.exe 2872 WerFault.exe 2872 WerFault.exe 2872 WerFault.exe 2872 WerFault.exe 2872 WerFault.exe 2872 WerFault.exe 2872 WerFault.exe 2872 WerFault.exe 2872 WerFault.exe 944 powershell.exe 944 powershell.exe 1360 RUNDLL32.EXE 1360 RUNDLL32.EXE 944 powershell.exe 388 powershell.exe 388 powershell.exe 388 powershell.exe 3648 RUNDLL32.EXE 3648 RUNDLL32.EXE 1740 powershell.exe 1740 powershell.exe 1740 powershell.exe - Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeRestorePrivilege 2872 WerFault.exe Token: SeBackupPrivilege 2872 WerFault.exe Token: SeDebugPrivilege 2872 WerFault.exe Token: SeDebugPrivilege 944 powershell.exe Token: SeDebugPrivilege 3648 RUNDLL32.EXE Token: SeDebugPrivilege 388 powershell.exe Token: SeDebugPrivilege 1740 powershell.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2080 rundll32.exe 3648 RUNDLL32.EXE - Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 2160 wrote to memory of 1932 2160 b4c8d7faaec043f8fd767a9c8c648533.exe 70 PID 2160 wrote to memory of 1932 2160 b4c8d7faaec043f8fd767a9c8c648533.exe 70 PID 2160 wrote to memory of 1932 2160 b4c8d7faaec043f8fd767a9c8c648533.exe 70 PID 1932 wrote to memory of 3648 1932 rundll32.exe 72 PID 1932 wrote to memory of 3648 1932 rundll32.exe 72 PID 1932 wrote to memory of 3648 1932 rundll32.exe 72 PID 3648 wrote to memory of 944 3648 RUNDLL32.EXE 77 PID 3648 wrote to memory of 944 3648 RUNDLL32.EXE 77 PID 3648 wrote to memory of 944 3648 RUNDLL32.EXE 77 PID 3648 wrote to memory of 1360 3648 RUNDLL32.EXE 79 PID 3648 wrote to memory of 1360 3648 RUNDLL32.EXE 79 PID 3648 wrote to memory of 1360 3648 RUNDLL32.EXE 79 PID 1360 wrote to memory of 2080 1360 RUNDLL32.EXE 80 PID 1360 wrote to memory of 2080 1360 RUNDLL32.EXE 80 PID 1360 wrote to memory of 2080 1360 RUNDLL32.EXE 80 PID 2080 wrote to memory of 2932 2080 rundll32.exe 81 PID 2080 wrote to memory of 2932 2080 rundll32.exe 81 PID 3648 wrote to memory of 388 3648 RUNDLL32.EXE 82 PID 3648 wrote to memory of 388 3648 RUNDLL32.EXE 82 PID 3648 wrote to memory of 388 3648 RUNDLL32.EXE 82 PID 3648 wrote to memory of 1740 3648 RUNDLL32.EXE 85 PID 3648 wrote to memory of 1740 3648 RUNDLL32.EXE 85 PID 3648 wrote to memory of 1740 3648 RUNDLL32.EXE 85 PID 1740 wrote to memory of 3104 1740 powershell.exe 87 PID 1740 wrote to memory of 3104 1740 powershell.exe 87 PID 1740 wrote to memory of 3104 1740 powershell.exe 87 PID 3648 wrote to memory of 3744 3648 RUNDLL32.EXE 88 PID 3648 wrote to memory of 3744 3648 RUNDLL32.EXE 88 PID 3648 wrote to memory of 3744 3648 RUNDLL32.EXE 88 PID 3648 wrote to memory of 3876 3648 RUNDLL32.EXE 90 PID 3648 wrote to memory of 3876 3648 RUNDLL32.EXE 90 PID 3648 wrote to memory of 3876 3648 RUNDLL32.EXE 90
Processes
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C:\Users\Admin\AppData\Local\Temp\b4c8d7faaec043f8fd767a9c8c648533.exe"C:\Users\Admin\AppData\Local\Temp\b4c8d7faaec043f8fd767a9c8c648533.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\B4C8D7~1.DLL,s C:\Users\Admin\AppData\Local\Temp\B4C8D7~1.EXE2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\SysWOW64\RUNDLL32.EXEC:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\B4C8D7~1.DLL,kj5UdUQ5Nkg=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:3648 -
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\B4C8D7~1.DLL4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:944
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C:\Windows\SysWOW64\RUNDLL32.EXEC:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\B4C8D7~1.DLL,RD8EcWNxS1hP4⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Windows\system32\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 196385⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2080 -
C:\Windows\system32\ctfmon.exectfmon.exe6⤵PID:2932
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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\tmpEF1F.tmp.ps1"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:388
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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\tmp1C0D.tmp.ps1"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\SysWOW64\nslookup.exe"C:\Windows\system32\nslookup.exe" -type=any localhost5⤵PID:3104
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C:\Windows\SysWOW64\schtasks.exeschtasks /End /tn \Microsoft\Windows\Wininet\CacheTask4⤵PID:3744
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C:\Windows\SysWOW64\schtasks.exeschtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask4⤵PID:3876
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 8123⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2872
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