Resubmissions
13/08/2021, 10:35
210813-9sna9fc63s1013/08/2021, 08:36
210813-529kk34ars1013/08/2021, 01:31
210813-aa9188tlf610Analysis
- max time kernel
142s - max time network
138s - platform
windows10_x64 - resource
win10v20210408 - submitted
13/08/2021, 10:35
Static task
static1
Behavioral task
behavioral1
Sample
cNjqsBS.bin.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target cNjqsBS.bin.dll
- Size 1.3MB
- Sample210813-9sna9fc63s
- SHA256 716e5a3d29ff525aed30c18061daff4b496f3f828ba2ac763efd857062a42e96
- MD5 c00d207efb855910154389b48404e550
- SHA1 5baa7a03331596f073b7ec03c72e8812d51f2cb3
- SHA512 5edd6b563c687a101786dd5e056d1c1392960b156492f8f1fe71140416361f14174dfdc1478b3b6616d591da7ab7114d594e6e765db047817886ce29cfca7247
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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danabot
Version
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1987
Botnet
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15
C2
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192.52.167.44:443
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192.52.166.92:443
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192.52.167.45:443
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173.254.204.95:443
Attributes
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embedded_hash
0A6B28F69364E1A0FC443E2439A8AD23
rsa_privkey.plain
rsa_pubkey.plain
Signatures
- Danabot Loader Component 1 IoCs
resource yara_rule behavioral2/memory/3632-118-0x0000000000CA0000-0x0000000000DFE000-memory.dmp DanabotLoader2021 - Blocklisted process makes network request 2 IoCs
flow pid Process 5 3548 rundll32.exe 13 3632 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 3632 set thread context of 2268 3632 RUNDLL32.EXE 80 - Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\PROGRA~3\Akacd.tmp rundll32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 27 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\ProcessorNameString RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz 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\Update Revision RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor 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\1\Previous Update Revision 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\Identifier 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\Platform Specific Field 1 RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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\Configuration Data 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\Update Status RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\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\0\Update Revision 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\~MHz RUNDLL32.EXE Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data RUNDLL32.EXE -
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\2EF7EE5469E5A9223D5064C9F23D67DF9C03529D\Blob = 0300000001000000140000002ef7ee5469e5a9223d5064c9f23d67df9c03529d2000000001000000710200003082026d308201d6a003020102020858d3d6004db142c4300d06092a864886f70d01010b0500305b3123302106035504030c1a4261366c74696d6f7265204379626572547275737420526f6f7431133011060355040b0c0a4379626572547275737431123010060355040a0c0942616c74696d6f7265310b3009060355040613024945301e170d3139303831343132333231395a170d3233303831333132333231395a305b3123302106035504030c1a4261366c74696d6f7265204379626572547275737420526f6f7431133011060355040b0c0a4379626572547275737431123010060355040a0c0942616c74696d6f7265310b300906035504061302494530819f300d06092a864886f70d010101050003818d0030818902818100b64e748e58db6865a0e1a15559dc07663396c2cf360dbc35fb52d28cd320a7bea17f481ac789f1f59f800067cd717902de30703d33f341daa9b613d58ef6a258595629e391a95360047d3c2516284e71bfac7c1dedfb71ba64a62ebcf89ea1cdbce67df94bb4795eaa7c6722f53d724672928f86d9ee31cfc49109020416bb8f0203010001a33a3038300f0603551d130101ff040530030101ff30250603551d11041e301c821a4261366c74696d6f7265204379626572547275737420526f6f74300d06092a864886f70d01010b0500038181002f70bb9542ab8d4bd8bdc09ed08374b34f2d8e4c4ccf8e45ff27bce3adae25cd386e06ac6082effcc2022e7e4845d0aef6bed241d4348c1519c2d611e16bc96602cbda8eddf76f7961ce85b4ccc8d62f962fc2c17602027fa30904ea0c00c32c3ba2f281ded52794132aa8d719b5bda4edcaec9946d11419bd7e5b23a0411c01 RUNDLL32.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\2EF7EE5469E5A9223D5064C9F23D67DF9C03529D RUNDLL32.EXE - Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 3632 RUNDLL32.EXE 3632 RUNDLL32.EXE 3632 RUNDLL32.EXE 3632 RUNDLL32.EXE 3632 RUNDLL32.EXE 3632 RUNDLL32.EXE 3632 RUNDLL32.EXE 3632 RUNDLL32.EXE 3024 powershell.exe 3024 powershell.exe 3024 powershell.exe 3632 RUNDLL32.EXE 3632 RUNDLL32.EXE 1052 powershell.exe 1052 powershell.exe 1052 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3632 RUNDLL32.EXE Token: SeDebugPrivilege 3024 powershell.exe Token: SeDebugPrivilege 1052 powershell.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3632 RUNDLL32.EXE - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 3128 wrote to memory of 3548 3128 rundll32.exe 69 PID 3128 wrote to memory of 3548 3128 rundll32.exe 69 PID 3128 wrote to memory of 3548 3128 rundll32.exe 69 PID 3548 wrote to memory of 3632 3548 rundll32.exe 79 PID 3548 wrote to memory of 3632 3548 rundll32.exe 79 PID 3548 wrote to memory of 3632 3548 rundll32.exe 79 PID 3632 wrote to memory of 2268 3632 RUNDLL32.EXE 80 PID 3632 wrote to memory of 2268 3632 RUNDLL32.EXE 80 PID 3632 wrote to memory of 2268 3632 RUNDLL32.EXE 80 PID 3632 wrote to memory of 3024 3632 RUNDLL32.EXE 81 PID 3632 wrote to memory of 3024 3632 RUNDLL32.EXE 81 PID 3632 wrote to memory of 3024 3632 RUNDLL32.EXE 81 PID 3632 wrote to memory of 1052 3632 RUNDLL32.EXE 84 PID 3632 wrote to memory of 1052 3632 RUNDLL32.EXE 84 PID 3632 wrote to memory of 1052 3632 RUNDLL32.EXE 84 PID 1052 wrote to memory of 3772 1052 powershell.exe 86 PID 1052 wrote to memory of 3772 1052 powershell.exe 86 PID 1052 wrote to memory of 3772 1052 powershell.exe 86 PID 3632 wrote to memory of 2772 3632 RUNDLL32.EXE 87 PID 3632 wrote to memory of 2772 3632 RUNDLL32.EXE 87 PID 3632 wrote to memory of 2772 3632 RUNDLL32.EXE 87 PID 3632 wrote to memory of 808 3632 RUNDLL32.EXE 89 PID 3632 wrote to memory of 808 3632 RUNDLL32.EXE 89 PID 3632 wrote to memory of 808 3632 RUNDLL32.EXE 89
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cNjqsBS.bin.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3128 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cNjqsBS.bin.dll,#12⤵
- Blocklisted process makes network request
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3548 -
C:\Windows\SysWOW64\RUNDLL32.EXEC:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\cNjqsBS.bin.dll,MgAyRTkzREU=3⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- 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:3632 -
C:\Windows\system32\rundll32.exeC:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 178944⤵PID:2268
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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\tmpE5A3.tmp.ps1"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3024
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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\tmpD51.tmp.ps1"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Windows\SysWOW64\nslookup.exe"C:\Windows\system32\nslookup.exe" -type=any localhost5⤵PID:3772
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C:\Windows\SysWOW64\schtasks.exeschtasks /End /tn \Microsoft\Windows\Wininet\CacheTask4⤵PID:2772
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C:\Windows\SysWOW64\schtasks.exeschtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask4⤵PID:808
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