Analysis
-
max time kernel
90s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 10:27
Static task
static1
Behavioral task
behavioral1
Sample
46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe
Resource
win10v2004-20220901-en
General
-
Target
46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe
-
Size
603KB
-
MD5
c193a7b39fec475e530e54d2ea79fece
-
SHA1
12d04dbde5813cbd828a0ceb63c81ca17f7d3aed
-
SHA256
46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e
-
SHA512
119454c3bfe2fd1cce1ee0a5eb2f57fc656c3aeb4da2726ecdf1a7667459adbf05d3a42cdcca0feefa24b1f1426404ecef27cfabb8a29dd8b9c9d1bc79a6cd01
-
SSDEEP
12288:+Iny5DYTfIHkrInKk1bMAK2llPe7at2SCa6G0Y6xk4iOM:gUTf8kU/bMA5e7atzC48WtO
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 616 installd.exe 1616 nethtsrv.exe 2784 netupdsrv.exe 4704 nethtsrv.exe 2160 netupdsrv.exe -
Loads dropped DLL 14 IoCs
Processes:
46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exeinstalld.exenethtsrv.exenethtsrv.exepid process 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe 616 installd.exe 1616 nethtsrv.exe 1616 nethtsrv.exe 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe 4704 nethtsrv.exe 4704 nethtsrv.exe 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.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:
46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exedescription ioc process File created C:\Windows\SysWOW64\netupdsrv.exe 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe File created C:\Windows\SysWOW64\hfnapi.dll 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe File created C:\Windows\SysWOW64\hfpapi.dll 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe File created C:\Windows\SysWOW64\installd.exe 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe File created C:\Windows\SysWOW64\nethtsrv.exe 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe -
Drops file in Program Files directory 3 IoCs
Processes:
46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies data under HKEY_USERS 1 IoCs
Processes:
nethtsrv.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections nethtsrv.exe -
Runs net.exe
-
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
pid process 652 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 4704 nethtsrv.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exenet.exenet.exenet.exenet.exedescription pid process target process PID 4800 wrote to memory of 4920 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe net.exe PID 4800 wrote to memory of 4920 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe net.exe PID 4800 wrote to memory of 4920 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe net.exe PID 4920 wrote to memory of 4896 4920 net.exe net1.exe PID 4920 wrote to memory of 4896 4920 net.exe net1.exe PID 4920 wrote to memory of 4896 4920 net.exe net1.exe PID 4800 wrote to memory of 3412 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe net.exe PID 4800 wrote to memory of 3412 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe net.exe PID 4800 wrote to memory of 3412 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe net.exe PID 3412 wrote to memory of 60 3412 net.exe net1.exe PID 3412 wrote to memory of 60 3412 net.exe net1.exe PID 3412 wrote to memory of 60 3412 net.exe net1.exe PID 4800 wrote to memory of 616 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe installd.exe PID 4800 wrote to memory of 616 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe installd.exe PID 4800 wrote to memory of 616 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe installd.exe PID 4800 wrote to memory of 1616 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe nethtsrv.exe PID 4800 wrote to memory of 1616 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe nethtsrv.exe PID 4800 wrote to memory of 1616 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe nethtsrv.exe PID 4800 wrote to memory of 2784 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe netupdsrv.exe PID 4800 wrote to memory of 2784 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe netupdsrv.exe PID 4800 wrote to memory of 2784 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe netupdsrv.exe PID 4800 wrote to memory of 3880 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe net.exe PID 4800 wrote to memory of 3880 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe net.exe PID 4800 wrote to memory of 3880 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe net.exe PID 3880 wrote to memory of 2184 3880 net.exe net1.exe PID 3880 wrote to memory of 2184 3880 net.exe net1.exe PID 3880 wrote to memory of 2184 3880 net.exe net1.exe PID 4800 wrote to memory of 2020 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe net.exe PID 4800 wrote to memory of 2020 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe net.exe PID 4800 wrote to memory of 2020 4800 46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe net.exe PID 2020 wrote to memory of 868 2020 net.exe net1.exe PID 2020 wrote to memory of 868 2020 net.exe net1.exe PID 2020 wrote to memory of 868 2020 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe"C:\Users\Admin\AppData\Local\Temp\46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.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:4800 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:4920 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:4896
-
C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:3412 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:60
-
C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:616 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1616 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:2784 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:3880 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:2184
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:868
-
C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:4704
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:2160
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
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
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
MD5e58310229b09ea2a7b1a3754ba442c0b
SHA17b03081e35b09d25df631b4a1efde65363876c8b
SHA256bd79ae5717c1c77b6772eaec4bc617fc7db3119100ed68f5dd08db505567e2a2
SHA512a5d9334b00609338b2ea357375c3f9ffe576dad7ab9c578c18d4561be05e0042496af61b3dda4c6b54da218b94b07d17128eb61773115f48cc87969c01626627
-
Filesize
106KB
MD5e58310229b09ea2a7b1a3754ba442c0b
SHA17b03081e35b09d25df631b4a1efde65363876c8b
SHA256bd79ae5717c1c77b6772eaec4bc617fc7db3119100ed68f5dd08db505567e2a2
SHA512a5d9334b00609338b2ea357375c3f9ffe576dad7ab9c578c18d4561be05e0042496af61b3dda4c6b54da218b94b07d17128eb61773115f48cc87969c01626627
-
Filesize
106KB
MD5e58310229b09ea2a7b1a3754ba442c0b
SHA17b03081e35b09d25df631b4a1efde65363876c8b
SHA256bd79ae5717c1c77b6772eaec4bc617fc7db3119100ed68f5dd08db505567e2a2
SHA512a5d9334b00609338b2ea357375c3f9ffe576dad7ab9c578c18d4561be05e0042496af61b3dda4c6b54da218b94b07d17128eb61773115f48cc87969c01626627
-
Filesize
106KB
MD5e58310229b09ea2a7b1a3754ba442c0b
SHA17b03081e35b09d25df631b4a1efde65363876c8b
SHA256bd79ae5717c1c77b6772eaec4bc617fc7db3119100ed68f5dd08db505567e2a2
SHA512a5d9334b00609338b2ea357375c3f9ffe576dad7ab9c578c18d4561be05e0042496af61b3dda4c6b54da218b94b07d17128eb61773115f48cc87969c01626627
-
Filesize
244KB
MD59c62bdeebc3d3d9df9812e8ee524a265
SHA191a9ea8a724c3a4addbd3d60d0876a3f4bbb5466
SHA2562dcef3cc29e4f5cdc7ea96c295a5f1fb1355f9b256219f681a1b39bceea1ddd7
SHA512683cc1a255e915de0f8db2f548eb36a2da9132e6279f312311aa351461168b023f86e4acda39f569b69e1963419d04e987ad7bd9053e518c88e4421064f71624
-
Filesize
244KB
MD59c62bdeebc3d3d9df9812e8ee524a265
SHA191a9ea8a724c3a4addbd3d60d0876a3f4bbb5466
SHA2562dcef3cc29e4f5cdc7ea96c295a5f1fb1355f9b256219f681a1b39bceea1ddd7
SHA512683cc1a255e915de0f8db2f548eb36a2da9132e6279f312311aa351461168b023f86e4acda39f569b69e1963419d04e987ad7bd9053e518c88e4421064f71624
-
Filesize
244KB
MD59c62bdeebc3d3d9df9812e8ee524a265
SHA191a9ea8a724c3a4addbd3d60d0876a3f4bbb5466
SHA2562dcef3cc29e4f5cdc7ea96c295a5f1fb1355f9b256219f681a1b39bceea1ddd7
SHA512683cc1a255e915de0f8db2f548eb36a2da9132e6279f312311aa351461168b023f86e4acda39f569b69e1963419d04e987ad7bd9053e518c88e4421064f71624
-
Filesize
108KB
MD58d3159bc9254c0f681c3b5bf0d0d7f96
SHA141574ffe257dbf0ea07ed34d3913a4c3eb718298
SHA256dae0ad62b25a16a4ec54bae706a12b1ef9dcd9cc5dfb18e5b7a560fd202ce570
SHA5120fd28aee422ab409937a2dd570324faafa0b4e583694d95899188578655aec251e34b607a29d9c7f9e88f0ddc56f966bfc5b573138d67b98bb4ac5c5b0972d8d
-
Filesize
108KB
MD58d3159bc9254c0f681c3b5bf0d0d7f96
SHA141574ffe257dbf0ea07ed34d3913a4c3eb718298
SHA256dae0ad62b25a16a4ec54bae706a12b1ef9dcd9cc5dfb18e5b7a560fd202ce570
SHA5120fd28aee422ab409937a2dd570324faafa0b4e583694d95899188578655aec251e34b607a29d9c7f9e88f0ddc56f966bfc5b573138d67b98bb4ac5c5b0972d8d
-
Filesize
176KB
MD53c95d0b6d4d64c390202929db2610112
SHA17cc9bdd2b84e20dd96a69bb4efc825c2eeba045b
SHA256e423c2952fba1a6f87281e007cc2f453eec85b1dce5632e595e12b89b11b1e25
SHA512ffd1e3c0df570042035cbe17e9577ce94083f04d895c77a0c12e771c41816085b497fe2e151ee593dc9d496125fb8acd3273bd18c51103b314d72f88255aa7d4
-
Filesize
176KB
MD53c95d0b6d4d64c390202929db2610112
SHA17cc9bdd2b84e20dd96a69bb4efc825c2eeba045b
SHA256e423c2952fba1a6f87281e007cc2f453eec85b1dce5632e595e12b89b11b1e25
SHA512ffd1e3c0df570042035cbe17e9577ce94083f04d895c77a0c12e771c41816085b497fe2e151ee593dc9d496125fb8acd3273bd18c51103b314d72f88255aa7d4
-
Filesize
176KB
MD53c95d0b6d4d64c390202929db2610112
SHA17cc9bdd2b84e20dd96a69bb4efc825c2eeba045b
SHA256e423c2952fba1a6f87281e007cc2f453eec85b1dce5632e595e12b89b11b1e25
SHA512ffd1e3c0df570042035cbe17e9577ce94083f04d895c77a0c12e771c41816085b497fe2e151ee593dc9d496125fb8acd3273bd18c51103b314d72f88255aa7d4
-
Filesize
159KB
MD56bdedf7adc5c6d170be7dde211aed6d7
SHA1729378d839f5a766ecd673ee7cbd21316e6614be
SHA256ef92f392981e49990e08b4f3340e751816d17d158724358500280b636bd46fb4
SHA512db976f3f9656b50a5a6a3900128ab51d0dba93993bea20d89f7561ffd6f9dfa87d3e70cb889b43ff248281a1cdea678efebb4f1a5847646a709be65303e93110
-
Filesize
159KB
MD56bdedf7adc5c6d170be7dde211aed6d7
SHA1729378d839f5a766ecd673ee7cbd21316e6614be
SHA256ef92f392981e49990e08b4f3340e751816d17d158724358500280b636bd46fb4
SHA512db976f3f9656b50a5a6a3900128ab51d0dba93993bea20d89f7561ffd6f9dfa87d3e70cb889b43ff248281a1cdea678efebb4f1a5847646a709be65303e93110
-
Filesize
159KB
MD56bdedf7adc5c6d170be7dde211aed6d7
SHA1729378d839f5a766ecd673ee7cbd21316e6614be
SHA256ef92f392981e49990e08b4f3340e751816d17d158724358500280b636bd46fb4
SHA512db976f3f9656b50a5a6a3900128ab51d0dba93993bea20d89f7561ffd6f9dfa87d3e70cb889b43ff248281a1cdea678efebb4f1a5847646a709be65303e93110