Analysis
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max time kernel
142s -
max time network
192s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
26-08-2021 09:06
Static task
static1
Behavioral task
behavioral1
Sample
tepserv.exe
Resource
win7v20210408
General
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Target
tepserv.exe
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Size
1.1MB
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MD5
0884288b2df269ff9b34fddff3eb3208
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SHA1
1480a8543b3c1fd4d26dc30fb60b8f9e1306aa0b
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SHA256
1ebddf22053d7670fc06fae9e4e2ff41cd48054f563ccab3c7561c6d1f989e91
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SHA512
f5ab8884eac60f2a4026b512491bde6cd8cd7df79f7d00c7f9dd8cbd1871ed5d981f7785481fa12446c217e4bed1ea7cc931a9d47dad5bd3ffa9c54db9c1320e
Malware Config
Extracted
danabot
2029
4
23.229.29.48:443
5.9.224.204:443
192.210.222.81:443
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embedded_hash
0E1A7A1479C37094441FA911262B322A
Signatures
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Danabot Loader Component 11 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\TEPSER~1.DLL DanabotLoader2021 \Users\Admin\AppData\Local\Temp\TEPSER~1.DLL DanabotLoader2021 \Users\Admin\AppData\Local\Temp\TEPSER~1.DLL DanabotLoader2021 behavioral1/memory/828-69-0x0000000001E20000-0x0000000001F82000-memory.dmp DanabotLoader2021 \Users\Admin\AppData\Local\Temp\TEPSER~1.DLL DanabotLoader2021 \Users\Admin\AppData\Local\Temp\TEPSER~1.DLL DanabotLoader2021 \Users\Admin\AppData\Local\Temp\TEPSER~1.DLL DanabotLoader2021 \Users\Admin\AppData\Local\Temp\TEPSER~1.DLL DanabotLoader2021 \Users\Admin\AppData\Local\Temp\TEPSER~1.DLL DanabotLoader2021 \Users\Admin\AppData\Local\Temp\TEPSER~1.DLL DanabotLoader2021 behavioral1/memory/1616-77-0x0000000001E10000-0x0000000001F72000-memory.dmp DanabotLoader2021 -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 2 828 rundll32.exe -
Loads dropped DLL 8 IoCs
Processes:
rundll32.exeRUNDLL32.EXEpid process 828 rundll32.exe 828 rundll32.exe 828 rundll32.exe 828 rundll32.exe 1616 RUNDLL32.EXE 1616 RUNDLL32.EXE 1616 RUNDLL32.EXE 1616 RUNDLL32.EXE -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 1 IoCs
Processes:
rundll32.exedescription ioc process File created C:\PROGRA~3\Gskyj.tmp rundll32.exe -
Checks processor information in registry 2 TTPs 21 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
RUNDLL32.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform ID RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet 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\VendorIdentifier 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\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\Identifier 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\~MHz RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RUNDLL32.EXE Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor 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 opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor 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\Configuration Data RUNDLL32.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Signature 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\Update Signature RUNDLL32.EXE Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RUNDLL32.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
tepserv.exerundll32.exedescription pid process target process PID 2000 wrote to memory of 828 2000 tepserv.exe rundll32.exe PID 2000 wrote to memory of 828 2000 tepserv.exe rundll32.exe PID 2000 wrote to memory of 828 2000 tepserv.exe rundll32.exe PID 2000 wrote to memory of 828 2000 tepserv.exe rundll32.exe PID 2000 wrote to memory of 828 2000 tepserv.exe rundll32.exe PID 2000 wrote to memory of 828 2000 tepserv.exe rundll32.exe PID 2000 wrote to memory of 828 2000 tepserv.exe rundll32.exe PID 828 wrote to memory of 1616 828 rundll32.exe RUNDLL32.EXE PID 828 wrote to memory of 1616 828 rundll32.exe RUNDLL32.EXE PID 828 wrote to memory of 1616 828 rundll32.exe RUNDLL32.EXE PID 828 wrote to memory of 1616 828 rundll32.exe RUNDLL32.EXE PID 828 wrote to memory of 1616 828 rundll32.exe RUNDLL32.EXE PID 828 wrote to memory of 1616 828 rundll32.exe RUNDLL32.EXE PID 828 wrote to memory of 1616 828 rundll32.exe RUNDLL32.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\tepserv.exe"C:\Users\Admin\AppData\Local\Temp\tepserv.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\TEPSER~1.DLL,s C:\Users\Admin\AppData\Local\Temp\tepserv.exe2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:828 -
C:\Windows\SysWOW64\RUNDLL32.EXEC:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\TEPSER~1.DLL,EwcMQQ==3⤵
- Loads dropped DLL
- Checks processor information in registry
PID:1616
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
2c10e49aac8c65795942d220a22117e5
SHA1642ba504cc8ed959cfd9a8929783d1acf4dd768b
SHA256b71d30a075734d2f1130ca2c47f57d03a308e2c7e430ec29452a786df130a98b
SHA512d6e287ae2301e4fa0647462c332c6b3423e437a4a49117c7905e571949c062ab3ef3083d068aec914a8ad36db83782434d66937ce2b3e4042deaf7956c174af3
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MD5
5df9d02ca48ab22ccc4fd792f7d126f2
SHA1b238eaedafeb334c69af84cc4b768c72e9323089
SHA25662c0afa119f36b56707dcdf500e6783fcb6da5bd0e3ac4e1d365e2ad832953e4
SHA5129bd1764612ccb0d3bfd2bd55cfc1afc2bc9efc7aa613a641f5acd3fa5594b3749c1f12c273b3ed6646eeb98a6ab528cb58a8cdbe5876c8fbc4713a0955ddb919
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MD5
5df9d02ca48ab22ccc4fd792f7d126f2
SHA1b238eaedafeb334c69af84cc4b768c72e9323089
SHA25662c0afa119f36b56707dcdf500e6783fcb6da5bd0e3ac4e1d365e2ad832953e4
SHA5129bd1764612ccb0d3bfd2bd55cfc1afc2bc9efc7aa613a641f5acd3fa5594b3749c1f12c273b3ed6646eeb98a6ab528cb58a8cdbe5876c8fbc4713a0955ddb919
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MD5
5df9d02ca48ab22ccc4fd792f7d126f2
SHA1b238eaedafeb334c69af84cc4b768c72e9323089
SHA25662c0afa119f36b56707dcdf500e6783fcb6da5bd0e3ac4e1d365e2ad832953e4
SHA5129bd1764612ccb0d3bfd2bd55cfc1afc2bc9efc7aa613a641f5acd3fa5594b3749c1f12c273b3ed6646eeb98a6ab528cb58a8cdbe5876c8fbc4713a0955ddb919
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MD5
5df9d02ca48ab22ccc4fd792f7d126f2
SHA1b238eaedafeb334c69af84cc4b768c72e9323089
SHA25662c0afa119f36b56707dcdf500e6783fcb6da5bd0e3ac4e1d365e2ad832953e4
SHA5129bd1764612ccb0d3bfd2bd55cfc1afc2bc9efc7aa613a641f5acd3fa5594b3749c1f12c273b3ed6646eeb98a6ab528cb58a8cdbe5876c8fbc4713a0955ddb919
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MD5
5df9d02ca48ab22ccc4fd792f7d126f2
SHA1b238eaedafeb334c69af84cc4b768c72e9323089
SHA25662c0afa119f36b56707dcdf500e6783fcb6da5bd0e3ac4e1d365e2ad832953e4
SHA5129bd1764612ccb0d3bfd2bd55cfc1afc2bc9efc7aa613a641f5acd3fa5594b3749c1f12c273b3ed6646eeb98a6ab528cb58a8cdbe5876c8fbc4713a0955ddb919
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MD5
5df9d02ca48ab22ccc4fd792f7d126f2
SHA1b238eaedafeb334c69af84cc4b768c72e9323089
SHA25662c0afa119f36b56707dcdf500e6783fcb6da5bd0e3ac4e1d365e2ad832953e4
SHA5129bd1764612ccb0d3bfd2bd55cfc1afc2bc9efc7aa613a641f5acd3fa5594b3749c1f12c273b3ed6646eeb98a6ab528cb58a8cdbe5876c8fbc4713a0955ddb919
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MD5
5df9d02ca48ab22ccc4fd792f7d126f2
SHA1b238eaedafeb334c69af84cc4b768c72e9323089
SHA25662c0afa119f36b56707dcdf500e6783fcb6da5bd0e3ac4e1d365e2ad832953e4
SHA5129bd1764612ccb0d3bfd2bd55cfc1afc2bc9efc7aa613a641f5acd3fa5594b3749c1f12c273b3ed6646eeb98a6ab528cb58a8cdbe5876c8fbc4713a0955ddb919
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MD5
5df9d02ca48ab22ccc4fd792f7d126f2
SHA1b238eaedafeb334c69af84cc4b768c72e9323089
SHA25662c0afa119f36b56707dcdf500e6783fcb6da5bd0e3ac4e1d365e2ad832953e4
SHA5129bd1764612ccb0d3bfd2bd55cfc1afc2bc9efc7aa613a641f5acd3fa5594b3749c1f12c273b3ed6646eeb98a6ab528cb58a8cdbe5876c8fbc4713a0955ddb919
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MD5
5df9d02ca48ab22ccc4fd792f7d126f2
SHA1b238eaedafeb334c69af84cc4b768c72e9323089
SHA25662c0afa119f36b56707dcdf500e6783fcb6da5bd0e3ac4e1d365e2ad832953e4
SHA5129bd1764612ccb0d3bfd2bd55cfc1afc2bc9efc7aa613a641f5acd3fa5594b3749c1f12c273b3ed6646eeb98a6ab528cb58a8cdbe5876c8fbc4713a0955ddb919