Analysis
-
max time kernel
40s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 10:13
Static task
static1
Behavioral task
behavioral1
Sample
c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe
Resource
win10v2004-20220812-en
General
-
Target
c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe
-
Size
602KB
-
MD5
2635bd868415a39828258ea89c985c6d
-
SHA1
9de579c3e6314c17b30c3c4c25d56af8be15afc7
-
SHA256
c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560
-
SHA512
bb8d6fac354698edf9e299c5e9dcb6ad113b8c51209fc2fac68256abec2aded8390d505edf9e32ff2f552c0596192fdd3aa0f415ec36dae8aeea480d8194715b
-
SSDEEP
12288:WIny5DYTZIkIo3/9tWVlbaVdzdeBdpt5hSuUu9Ow4tvc+:YUTZTIi9EbaVDKdpRSPRwg
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 960 installd.exe 1632 nethtsrv.exe 632 netupdsrv.exe 992 nethtsrv.exe 1080 netupdsrv.exe -
Loads dropped DLL 13 IoCs
Processes:
c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exeinstalld.exenethtsrv.exenethtsrv.exepid process 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe 960 installd.exe 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe 1632 nethtsrv.exe 1632 nethtsrv.exe 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe 992 nethtsrv.exe 992 nethtsrv.exe 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in System32 directory 5 IoCs
Processes:
c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exedescription ioc process File created C:\Windows\SysWOW64\installd.exe c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe File created C:\Windows\SysWOW64\nethtsrv.exe c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe File created C:\Windows\SysWOW64\netupdsrv.exe c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe File created C:\Windows\SysWOW64\hfnapi.dll c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe File created C:\Windows\SysWOW64\hfpapi.dll c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe -
Drops file in Program Files directory 3 IoCs
Processes:
c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Runs net.exe
-
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
pid process 460 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 992 nethtsrv.exe -
Suspicious use of WriteProcessMemory 50 IoCs
Processes:
c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exenet.exenet.exenet.exenet.exedescription pid process target process PID 1480 wrote to memory of 1788 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1480 wrote to memory of 1788 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1480 wrote to memory of 1788 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1480 wrote to memory of 1788 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1788 wrote to memory of 1660 1788 net.exe net1.exe PID 1788 wrote to memory of 1660 1788 net.exe net1.exe PID 1788 wrote to memory of 1660 1788 net.exe net1.exe PID 1788 wrote to memory of 1660 1788 net.exe net1.exe PID 1480 wrote to memory of 1708 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1480 wrote to memory of 1708 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1480 wrote to memory of 1708 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1480 wrote to memory of 1708 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1708 wrote to memory of 1972 1708 net.exe net1.exe PID 1708 wrote to memory of 1972 1708 net.exe net1.exe PID 1708 wrote to memory of 1972 1708 net.exe net1.exe PID 1708 wrote to memory of 1972 1708 net.exe net1.exe PID 1480 wrote to memory of 960 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe installd.exe PID 1480 wrote to memory of 960 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe installd.exe PID 1480 wrote to memory of 960 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe installd.exe PID 1480 wrote to memory of 960 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe installd.exe PID 1480 wrote to memory of 960 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe installd.exe PID 1480 wrote to memory of 960 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe installd.exe PID 1480 wrote to memory of 960 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe installd.exe PID 1480 wrote to memory of 1632 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe nethtsrv.exe PID 1480 wrote to memory of 1632 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe nethtsrv.exe PID 1480 wrote to memory of 1632 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe nethtsrv.exe PID 1480 wrote to memory of 1632 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe nethtsrv.exe PID 1480 wrote to memory of 632 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe netupdsrv.exe PID 1480 wrote to memory of 632 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe netupdsrv.exe PID 1480 wrote to memory of 632 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe netupdsrv.exe PID 1480 wrote to memory of 632 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe netupdsrv.exe PID 1480 wrote to memory of 632 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe netupdsrv.exe PID 1480 wrote to memory of 632 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe netupdsrv.exe PID 1480 wrote to memory of 632 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe netupdsrv.exe PID 1480 wrote to memory of 1960 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1480 wrote to memory of 1960 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1480 wrote to memory of 1960 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1480 wrote to memory of 1960 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1960 wrote to memory of 1724 1960 net.exe net1.exe PID 1960 wrote to memory of 1724 1960 net.exe net1.exe PID 1960 wrote to memory of 1724 1960 net.exe net1.exe PID 1960 wrote to memory of 1724 1960 net.exe net1.exe PID 1480 wrote to memory of 1364 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1480 wrote to memory of 1364 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1480 wrote to memory of 1364 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1480 wrote to memory of 1364 1480 c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe net.exe PID 1364 wrote to memory of 268 1364 net.exe net1.exe PID 1364 wrote to memory of 268 1364 net.exe net1.exe PID 1364 wrote to memory of 268 1364 net.exe net1.exe PID 1364 wrote to memory of 268 1364 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe"C:\Users\Admin\AppData\Local\Temp\c41e5f6408a4e20711b4c0f285d0372ed13367699e3e53d604601442df22c560.exe"1⤵
- Drops file in Drivers directory
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1480 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:1660
-
C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:1972
-
C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:960 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1632 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:632 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:1724
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:268
-
C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:992
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:1080
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
106KB
MD53f136962e3de8c3e5065412426f4bc4c
SHA1398c29a10ac2ab102769578bc42372f0f97da3f5
SHA256f018fdafe11499b8c2afec645203033d07cf0f923ff793b5222800dd35496377
SHA512e3fa7da83bd40079f5b32669a4bd0e0168597a1c6429c53f47891e83d18eb05bffc72d75d4d43238e211bbf0abab1261e06151274fadeafa6cd6a5464e66e090
-
Filesize
241KB
MD5cc8edef244bcfdc2fdc45c018fda3caf
SHA1b77f4e49c0b43e379f87aadf4f268820167d697d
SHA2568683c592b33c2a3dfd30c452bbbcb7f7330432ce75c95ebd36f4c894a93ddf95
SHA5127c6eebb96ffd63e2b80c4b092ffcd2113b30988ae33f87cebe19b2af41bb8ede90daa400fb527a1ee2e267f08689c3acd25d026fce64fdf4dfd57ce6c4077621
-
Filesize
108KB
MD5d9e2962cef33aab098f1e1b904dd7966
SHA1d103da4713dab448d5f366eb0818dfe895794646
SHA25627cb5748896e6da5ac722c8f39ff19d966fb31baa41f0198510335390794a379
SHA5128abd7515c39dbe204d9315fd9c8c07936ff2f26d9c1b654c54db8d0f9fa3b2a92af836feae3317031940697a41e8d0601fc063e42827b5facbca9a35935f07db
-
Filesize
176KB
MD52d1cb50f31bc0e38b77a672421cd92fa
SHA19316180ede4b33566515627d5e1f3b029d96e869
SHA25607a174d11f4e5cee0cb32bbd5b760cb5e27b2508c27afec742e61a9700296b72
SHA512f627a5739b49d154174bdc106c2dd1183ff2099d395f119160b5059dc41aaa07f0048a1be8c9192dbbceb5ffb0846abc54521df3e88684ae3bd77192a6c5ea57
-
Filesize
176KB
MD52d1cb50f31bc0e38b77a672421cd92fa
SHA19316180ede4b33566515627d5e1f3b029d96e869
SHA25607a174d11f4e5cee0cb32bbd5b760cb5e27b2508c27afec742e61a9700296b72
SHA512f627a5739b49d154174bdc106c2dd1183ff2099d395f119160b5059dc41aaa07f0048a1be8c9192dbbceb5ffb0846abc54521df3e88684ae3bd77192a6c5ea57
-
Filesize
159KB
MD5f023e15f661b8872168751ca8bb042a8
SHA19b5e08fa04c6d5d23794a8694978bdfcad7d4720
SHA256cec2f0d4c4046156cfbc7357e6a606b9348db24f1ba0b5ebaaaf1646c7ed293c
SHA512f2e203bbd930acef5329434679a1fa83ade450cf99e8a705ce6aac3c293e044341c1f475b2ab68bc72a55ce07c92515cf2d59fcac2c6fb4dc63761df4f0b0062
-
Filesize
159KB
MD5f023e15f661b8872168751ca8bb042a8
SHA19b5e08fa04c6d5d23794a8694978bdfcad7d4720
SHA256cec2f0d4c4046156cfbc7357e6a606b9348db24f1ba0b5ebaaaf1646c7ed293c
SHA512f2e203bbd930acef5329434679a1fa83ade450cf99e8a705ce6aac3c293e044341c1f475b2ab68bc72a55ce07c92515cf2d59fcac2c6fb4dc63761df4f0b0062
-
Filesize
11KB
MD5c17103ae9072a06da581dec998343fc1
SHA1b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA256dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
SHA512d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
-
Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
-
Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
-
Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
-
Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
-
Filesize
106KB
MD53f136962e3de8c3e5065412426f4bc4c
SHA1398c29a10ac2ab102769578bc42372f0f97da3f5
SHA256f018fdafe11499b8c2afec645203033d07cf0f923ff793b5222800dd35496377
SHA512e3fa7da83bd40079f5b32669a4bd0e0168597a1c6429c53f47891e83d18eb05bffc72d75d4d43238e211bbf0abab1261e06151274fadeafa6cd6a5464e66e090
-
Filesize
106KB
MD53f136962e3de8c3e5065412426f4bc4c
SHA1398c29a10ac2ab102769578bc42372f0f97da3f5
SHA256f018fdafe11499b8c2afec645203033d07cf0f923ff793b5222800dd35496377
SHA512e3fa7da83bd40079f5b32669a4bd0e0168597a1c6429c53f47891e83d18eb05bffc72d75d4d43238e211bbf0abab1261e06151274fadeafa6cd6a5464e66e090
-
Filesize
106KB
MD53f136962e3de8c3e5065412426f4bc4c
SHA1398c29a10ac2ab102769578bc42372f0f97da3f5
SHA256f018fdafe11499b8c2afec645203033d07cf0f923ff793b5222800dd35496377
SHA512e3fa7da83bd40079f5b32669a4bd0e0168597a1c6429c53f47891e83d18eb05bffc72d75d4d43238e211bbf0abab1261e06151274fadeafa6cd6a5464e66e090
-
Filesize
241KB
MD5cc8edef244bcfdc2fdc45c018fda3caf
SHA1b77f4e49c0b43e379f87aadf4f268820167d697d
SHA2568683c592b33c2a3dfd30c452bbbcb7f7330432ce75c95ebd36f4c894a93ddf95
SHA5127c6eebb96ffd63e2b80c4b092ffcd2113b30988ae33f87cebe19b2af41bb8ede90daa400fb527a1ee2e267f08689c3acd25d026fce64fdf4dfd57ce6c4077621
-
Filesize
241KB
MD5cc8edef244bcfdc2fdc45c018fda3caf
SHA1b77f4e49c0b43e379f87aadf4f268820167d697d
SHA2568683c592b33c2a3dfd30c452bbbcb7f7330432ce75c95ebd36f4c894a93ddf95
SHA5127c6eebb96ffd63e2b80c4b092ffcd2113b30988ae33f87cebe19b2af41bb8ede90daa400fb527a1ee2e267f08689c3acd25d026fce64fdf4dfd57ce6c4077621
-
Filesize
108KB
MD5d9e2962cef33aab098f1e1b904dd7966
SHA1d103da4713dab448d5f366eb0818dfe895794646
SHA25627cb5748896e6da5ac722c8f39ff19d966fb31baa41f0198510335390794a379
SHA5128abd7515c39dbe204d9315fd9c8c07936ff2f26d9c1b654c54db8d0f9fa3b2a92af836feae3317031940697a41e8d0601fc063e42827b5facbca9a35935f07db
-
Filesize
176KB
MD52d1cb50f31bc0e38b77a672421cd92fa
SHA19316180ede4b33566515627d5e1f3b029d96e869
SHA25607a174d11f4e5cee0cb32bbd5b760cb5e27b2508c27afec742e61a9700296b72
SHA512f627a5739b49d154174bdc106c2dd1183ff2099d395f119160b5059dc41aaa07f0048a1be8c9192dbbceb5ffb0846abc54521df3e88684ae3bd77192a6c5ea57
-
Filesize
159KB
MD5f023e15f661b8872168751ca8bb042a8
SHA19b5e08fa04c6d5d23794a8694978bdfcad7d4720
SHA256cec2f0d4c4046156cfbc7357e6a606b9348db24f1ba0b5ebaaaf1646c7ed293c
SHA512f2e203bbd930acef5329434679a1fa83ade450cf99e8a705ce6aac3c293e044341c1f475b2ab68bc72a55ce07c92515cf2d59fcac2c6fb4dc63761df4f0b0062