Analysis
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max time kernel
132s -
max time network
143s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
11-11-2020 10:36
Static task
static1
Behavioral task
behavioral1
Sample
siri_active_2.exe
Resource
win7v20201028
General
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Target
siri_active_2.exe
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Size
2.6MB
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MD5
3d0756f3fa6d259adbddb73baf1fb23b
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SHA1
2780840b4c4fd06e0a9fef8e6392aae3065b2e4d
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SHA256
1c7b6dfdbd6117dd089c5e7df2dd6e61a36d1878dbe61e1c2d91f44da2da14fc
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SHA512
4dccaa3913f7326e65e2e803af90bb799f2f5045245a10f382d9000186a93d1af1cd668d60f16ee27cef43bdc966efb67b7c844c58b9ec2829552327f6a56084
Malware Config
Extracted
danabot
92.204.160.126
193.34.166.26
93.115.22.159
93.115.22.165
185.227.138.52
Signatures
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Danabot x86 payload 5 IoCs
Detection of Danabot x86 payload, mapped in memory during the execution of its loader.
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\SIRI_A~1.DLL family_danabot \Users\Admin\AppData\Local\Temp\SIRI_A~1.DLL family_danabot \Users\Admin\AppData\Local\Temp\SIRI_A~1.DLL family_danabot \Users\Admin\AppData\Local\Temp\SIRI_A~1.DLL family_danabot \Users\Admin\AppData\Local\Temp\SIRI_A~1.DLL family_danabot -
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
Processes:
WerFault.exedescription pid process target process PID 3752 created 3976 3752 WerFault.exe siri_active_2.exe -
Blocklisted process makes network request 7 IoCs
Processes:
rundll32.exeflow pid process 17 3100 rundll32.exe 23 3100 rundll32.exe 24 3100 rundll32.exe 26 3100 rundll32.exe 27 3100 rundll32.exe 28 3100 rundll32.exe 29 3100 rundll32.exe -
Loads dropped DLL 4 IoCs
Processes:
regsvr32.exerundll32.exepid process 1264 regsvr32.exe 1264 regsvr32.exe 3100 rundll32.exe 3100 rundll32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3752 3976 WerFault.exe siri_active_2.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
Processes:
WerFault.exepid process 3752 WerFault.exe 3752 WerFault.exe 3752 WerFault.exe 3752 WerFault.exe 3752 WerFault.exe 3752 WerFault.exe 3752 WerFault.exe 3752 WerFault.exe 3752 WerFault.exe 3752 WerFault.exe 3752 WerFault.exe 3752 WerFault.exe 3752 WerFault.exe 3752 WerFault.exe 3752 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
WerFault.exedescription pid process Token: SeRestorePrivilege 3752 WerFault.exe Token: SeBackupPrivilege 3752 WerFault.exe Token: SeDebugPrivilege 3752 WerFault.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
siri_active_2.exeregsvr32.exedescription pid process target process PID 3976 wrote to memory of 1264 3976 siri_active_2.exe regsvr32.exe PID 3976 wrote to memory of 1264 3976 siri_active_2.exe regsvr32.exe PID 3976 wrote to memory of 1264 3976 siri_active_2.exe regsvr32.exe PID 1264 wrote to memory of 3100 1264 regsvr32.exe rundll32.exe PID 1264 wrote to memory of 3100 1264 regsvr32.exe rundll32.exe PID 1264 wrote to memory of 3100 1264 regsvr32.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\siri_active_2.exe"C:\Users\Admin\AppData\Local\Temp\siri_active_2.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\system32\regsvr32.exe -s C:\Users\Admin\AppData\Local\Temp\SIRI_A~1.DLL f1 C:\Users\Admin\AppData\Local\Temp\SIRI_A~1.EXE@39762⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Local\Temp\SIRI_A~1.DLL,f03⤵
- Blocklisted process makes network request
- Loads dropped DLL
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 3962⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\SIRI_A~1.DLLMD5
ba5bcacdd2930de8898da02eb76bd9d1
SHA12d6cdd794b651a92753113b58139957635efea7c
SHA256a59a10879e0a2db88c6ea80f31a85962b7e4e89b6e2c4d4cac459b1580422b78
SHA512b46fb1ee60d7c22bd943462fcd5107645189b509dc564f4e1a0b6b5f04ef7a42aeaad117f217f4f3096baa09beb953eb65a7588a9ba432a3632d3fe35edf8a27
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\Users\Admin\AppData\Local\Temp\SIRI_A~1.DLLMD5
ba5bcacdd2930de8898da02eb76bd9d1
SHA12d6cdd794b651a92753113b58139957635efea7c
SHA256a59a10879e0a2db88c6ea80f31a85962b7e4e89b6e2c4d4cac459b1580422b78
SHA512b46fb1ee60d7c22bd943462fcd5107645189b509dc564f4e1a0b6b5f04ef7a42aeaad117f217f4f3096baa09beb953eb65a7588a9ba432a3632d3fe35edf8a27
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\Users\Admin\AppData\Local\Temp\SIRI_A~1.DLLMD5
ba5bcacdd2930de8898da02eb76bd9d1
SHA12d6cdd794b651a92753113b58139957635efea7c
SHA256a59a10879e0a2db88c6ea80f31a85962b7e4e89b6e2c4d4cac459b1580422b78
SHA512b46fb1ee60d7c22bd943462fcd5107645189b509dc564f4e1a0b6b5f04ef7a42aeaad117f217f4f3096baa09beb953eb65a7588a9ba432a3632d3fe35edf8a27
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\Users\Admin\AppData\Local\Temp\SIRI_A~1.DLLMD5
ba5bcacdd2930de8898da02eb76bd9d1
SHA12d6cdd794b651a92753113b58139957635efea7c
SHA256a59a10879e0a2db88c6ea80f31a85962b7e4e89b6e2c4d4cac459b1580422b78
SHA512b46fb1ee60d7c22bd943462fcd5107645189b509dc564f4e1a0b6b5f04ef7a42aeaad117f217f4f3096baa09beb953eb65a7588a9ba432a3632d3fe35edf8a27
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\Users\Admin\AppData\Local\Temp\SIRI_A~1.DLLMD5
ba5bcacdd2930de8898da02eb76bd9d1
SHA12d6cdd794b651a92753113b58139957635efea7c
SHA256a59a10879e0a2db88c6ea80f31a85962b7e4e89b6e2c4d4cac459b1580422b78
SHA512b46fb1ee60d7c22bd943462fcd5107645189b509dc564f4e1a0b6b5f04ef7a42aeaad117f217f4f3096baa09beb953eb65a7588a9ba432a3632d3fe35edf8a27
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memory/1264-2-0x0000000000000000-mapping.dmp
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memory/3100-9-0x0000000000000000-mapping.dmp
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memory/3752-6-0x0000000004470000-0x0000000004471000-memory.dmpFilesize
4KB
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memory/3752-7-0x0000000004470000-0x0000000004471000-memory.dmpFilesize
4KB
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memory/3752-13-0x00000000049A0000-0x00000000049A1000-memory.dmpFilesize
4KB
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memory/3976-1-0x00000000054C0000-0x00000000054C1000-memory.dmpFilesize
4KB