Analysis
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max time kernel
143s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
24-05-2022 15:46
Static task
static1
Behavioral task
behavioral1
Sample
90ee20a62bdeebc3dd489ed275e9b8da56638bf19e44bed8c43e7e4bc9e12f97.exe
Resource
win7-20220414-en
General
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Target
90ee20a62bdeebc3dd489ed275e9b8da56638bf19e44bed8c43e7e4bc9e12f97.exe
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Size
2.6MB
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MD5
95e5ade6dc73995c3aead518331fc6d1
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SHA1
99f3f68704a6c2c5e5cdda3eeff3122fc78a2ae4
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SHA256
90ee20a62bdeebc3dd489ed275e9b8da56638bf19e44bed8c43e7e4bc9e12f97
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SHA512
8d56b8152740684f508629b644cc133a99e84e24cafa00b1a81ab91f6cbcba587022cca3323ce7739b65284c38c534822b974ab0330ab50d9a682b509e5942e3
Malware Config
Extracted
danabot
51.178.195.151
51.222.39.81
149.255.35.125
38.68.50.179
51.77.7.204
Signatures
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Danabot x86 payload 3 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\90EE20~1.DLL family_danabot C:\Users\Admin\AppData\Local\Temp\90ee20a62bdeebc3dd489ed275e9b8da56638bf19e44bed8c43e7e4bc9e12f97.dll family_danabot C:\Users\Admin\AppData\Local\Temp\90ee20a62bdeebc3dd489ed275e9b8da56638bf19e44bed8c43e7e4bc9e12f97.dll family_danabot -
Blocklisted process makes network request 8 IoCs
Processes:
rundll32.exeflow pid process 1 536 rundll32.exe 3 536 rundll32.exe 4 536 rundll32.exe 35 536 rundll32.exe 53 536 rundll32.exe 54 536 rundll32.exe 58 536 rundll32.exe 59 536 rundll32.exe -
Loads dropped DLL 2 IoCs
Processes:
regsvr32.exerundll32.exepid process 4420 regsvr32.exe 536 rundll32.exe -
Drops file in System32 directory 2 IoCs
Processes:
svchost.exedescription ioc process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{C939E407-0CB5-4718-809C-BD0C88F2D562}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{1E8AD13A-F7D8-437A-81F1-28A34F48ECC3}.catalogItem svchost.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 448 4120 WerFault.exe 90ee20a62bdeebc3dd489ed275e9b8da56638bf19e44bed8c43e7e4bc9e12f97.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
90ee20a62bdeebc3dd489ed275e9b8da56638bf19e44bed8c43e7e4bc9e12f97.exeregsvr32.exedescription pid process target process PID 4120 wrote to memory of 4420 4120 90ee20a62bdeebc3dd489ed275e9b8da56638bf19e44bed8c43e7e4bc9e12f97.exe regsvr32.exe PID 4120 wrote to memory of 4420 4120 90ee20a62bdeebc3dd489ed275e9b8da56638bf19e44bed8c43e7e4bc9e12f97.exe regsvr32.exe PID 4120 wrote to memory of 4420 4120 90ee20a62bdeebc3dd489ed275e9b8da56638bf19e44bed8c43e7e4bc9e12f97.exe regsvr32.exe PID 4420 wrote to memory of 536 4420 regsvr32.exe rundll32.exe PID 4420 wrote to memory of 536 4420 regsvr32.exe rundll32.exe PID 4420 wrote to memory of 536 4420 regsvr32.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\90ee20a62bdeebc3dd489ed275e9b8da56638bf19e44bed8c43e7e4bc9e12f97.exe"C:\Users\Admin\AppData\Local\Temp\90ee20a62bdeebc3dd489ed275e9b8da56638bf19e44bed8c43e7e4bc9e12f97.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\90EE20~1.DLL f1 C:\Users\Admin\AppData\Local\Temp\90EE20~1.EXE@41202⤵
- 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\90EE20~1.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 4120 -s 5002⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4120 -ip 41201⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\90EE20~1.DLLFilesize
2.4MB
MD57e76f7a5c55a5bc5f5e2d7a9e886782b
SHA1fc500153dba682e53776bef53123086f00c0e041
SHA256abd75572f897cdda88cec22922d15b509ee8c840fa5894b0aecbef6de23908a3
SHA5120318e0040f4dbf954f27fb10a69bce2248e785a31d855615a1eaf303a772ad51d47906a113605d7bfd3c2b2265bf83c61538f78b071f85ee3c4948f5cde3fb24
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C:\Users\Admin\AppData\Local\Temp\90ee20a62bdeebc3dd489ed275e9b8da56638bf19e44bed8c43e7e4bc9e12f97.dllFilesize
2.4MB
MD57e76f7a5c55a5bc5f5e2d7a9e886782b
SHA1fc500153dba682e53776bef53123086f00c0e041
SHA256abd75572f897cdda88cec22922d15b509ee8c840fa5894b0aecbef6de23908a3
SHA5120318e0040f4dbf954f27fb10a69bce2248e785a31d855615a1eaf303a772ad51d47906a113605d7bfd3c2b2265bf83c61538f78b071f85ee3c4948f5cde3fb24
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C:\Users\Admin\AppData\Local\Temp\90ee20a62bdeebc3dd489ed275e9b8da56638bf19e44bed8c43e7e4bc9e12f97.dllFilesize
2.4MB
MD57e76f7a5c55a5bc5f5e2d7a9e886782b
SHA1fc500153dba682e53776bef53123086f00c0e041
SHA256abd75572f897cdda88cec22922d15b509ee8c840fa5894b0aecbef6de23908a3
SHA5120318e0040f4dbf954f27fb10a69bce2248e785a31d855615a1eaf303a772ad51d47906a113605d7bfd3c2b2265bf83c61538f78b071f85ee3c4948f5cde3fb24
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memory/536-135-0x0000000000000000-mapping.dmp
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memory/4120-130-0x00000000044BE000-0x0000000004736000-memory.dmpFilesize
2.5MB
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memory/4120-131-0x0000000004740000-0x00000000049CD000-memory.dmpFilesize
2.6MB
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memory/4120-137-0x0000000000400000-0x00000000026E5000-memory.dmpFilesize
34.9MB
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memory/4420-132-0x0000000000000000-mapping.dmp