Analysis
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max time kernel
129s -
max time network
41s -
platform
windows7_x64 -
resource
win7-20220715-en -
resource tags
arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system -
submitted
02-08-2022 05:05
Behavioral task
behavioral1
Sample
c.exe
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
c.exe
Resource
win10v2004-20220721-en
General
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Target
c.exe
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Size
68KB
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MD5
e1f2bab0f7d22fed80ad59fd5c164dc1
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SHA1
586afa9c3bdbbd0a326b569dcab9363f1278e38c
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SHA256
d759e1ec1af4392131aa3aa7f8446f8078d16bb3405b12ed62f123aca95c969c
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SHA512
a50ddedff971b2ae6d9d9fc5669f2fc9cb94494fa647c2ea4ea2072b5b5c3c6a06e766774656294265cc8356d1c1dc50dc0f6896868c01ed30cd633cd1048551
Malware Config
Signatures
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RunningRat
RunningRat is a remote access trojan first seen in 2018.
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RunningRat payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1752-54-0x0000000010000000-0x000000001000F000-memory.dmp family_runningrat -
Executes dropped EXE 1 IoCs
Processes:
WindowsSystem32.exepid process 1312 WindowsSystem32.exe -
Sets DLL path for service in the registry 2 TTPs 1 IoCs
Processes:
c.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WindowsSystem32\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7102553.dll" c.exe -
Loads dropped DLL 7 IoCs
Processes:
c.exesvchost.exeWindowsSystem32.exepid process 1752 c.exe 1896 svchost.exe 1896 svchost.exe 1312 WindowsSystem32.exe 1312 WindowsSystem32.exe 1312 WindowsSystem32.exe 1312 WindowsSystem32.exe -
Drops file in System32 directory 3 IoCs
Processes:
svchost.exec.exedescription ioc process File created C:\Windows\SysWOW64\WindowsSystem32.exe svchost.exe File opened for modification C:\Windows\SysWOW64\WindowsSystem32.exe svchost.exe File opened for modification C:\Windows\SysWOW64\ini.ini c.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
svchost.exedescription pid process target process PID 1896 wrote to memory of 1312 1896 svchost.exe WindowsSystem32.exe PID 1896 wrote to memory of 1312 1896 svchost.exe WindowsSystem32.exe PID 1896 wrote to memory of 1312 1896 svchost.exe WindowsSystem32.exe PID 1896 wrote to memory of 1312 1896 svchost.exe WindowsSystem32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c.exe"C:\Users\Admin\AppData\Local\Temp\c.exe"1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
PID:1752
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "WindowsSystem32"1⤵PID:1884
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "WindowsSystem32"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1896 -
C:\Windows\SysWOW64\WindowsSystem32.exeC:\Windows\system32\WindowsSystem32.exe "c:\users\admin\appdata\local\temp\7102553.dll",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1312
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
37KB
MD5b275f4b7334e4b7de09886368584fa03
SHA1f1d9c686d6688bb384f13c3d48b035f26fc63f7e
SHA256a83cf59d71d9c868acf7f0c83afbad3d56b4bf07d7885400b3bf85ee56bd1e34
SHA512ac17902025f49652860f0002d309ccd85364d532ef656224ddc2394bcde09c99fab1ef0b8caf10b71340ae243b8c911719895f93563aa3938f0a153e93aec1d9
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Filesize
37KB
MD5b275f4b7334e4b7de09886368584fa03
SHA1f1d9c686d6688bb384f13c3d48b035f26fc63f7e
SHA256a83cf59d71d9c868acf7f0c83afbad3d56b4bf07d7885400b3bf85ee56bd1e34
SHA512ac17902025f49652860f0002d309ccd85364d532ef656224ddc2394bcde09c99fab1ef0b8caf10b71340ae243b8c911719895f93563aa3938f0a153e93aec1d9
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Filesize
37KB
MD5b275f4b7334e4b7de09886368584fa03
SHA1f1d9c686d6688bb384f13c3d48b035f26fc63f7e
SHA256a83cf59d71d9c868acf7f0c83afbad3d56b4bf07d7885400b3bf85ee56bd1e34
SHA512ac17902025f49652860f0002d309ccd85364d532ef656224ddc2394bcde09c99fab1ef0b8caf10b71340ae243b8c911719895f93563aa3938f0a153e93aec1d9
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Filesize
37KB
MD5b275f4b7334e4b7de09886368584fa03
SHA1f1d9c686d6688bb384f13c3d48b035f26fc63f7e
SHA256a83cf59d71d9c868acf7f0c83afbad3d56b4bf07d7885400b3bf85ee56bd1e34
SHA512ac17902025f49652860f0002d309ccd85364d532ef656224ddc2394bcde09c99fab1ef0b8caf10b71340ae243b8c911719895f93563aa3938f0a153e93aec1d9
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Filesize
37KB
MD5b275f4b7334e4b7de09886368584fa03
SHA1f1d9c686d6688bb384f13c3d48b035f26fc63f7e
SHA256a83cf59d71d9c868acf7f0c83afbad3d56b4bf07d7885400b3bf85ee56bd1e34
SHA512ac17902025f49652860f0002d309ccd85364d532ef656224ddc2394bcde09c99fab1ef0b8caf10b71340ae243b8c911719895f93563aa3938f0a153e93aec1d9
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Filesize
37KB
MD5b275f4b7334e4b7de09886368584fa03
SHA1f1d9c686d6688bb384f13c3d48b035f26fc63f7e
SHA256a83cf59d71d9c868acf7f0c83afbad3d56b4bf07d7885400b3bf85ee56bd1e34
SHA512ac17902025f49652860f0002d309ccd85364d532ef656224ddc2394bcde09c99fab1ef0b8caf10b71340ae243b8c911719895f93563aa3938f0a153e93aec1d9
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Filesize
37KB
MD5b275f4b7334e4b7de09886368584fa03
SHA1f1d9c686d6688bb384f13c3d48b035f26fc63f7e
SHA256a83cf59d71d9c868acf7f0c83afbad3d56b4bf07d7885400b3bf85ee56bd1e34
SHA512ac17902025f49652860f0002d309ccd85364d532ef656224ddc2394bcde09c99fab1ef0b8caf10b71340ae243b8c911719895f93563aa3938f0a153e93aec1d9
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d