Analysis
-
max time kernel
212s -
max time network
229s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 10:58
Static task
static1
Behavioral task
behavioral1
Sample
2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe
Resource
win10v2004-20221111-en
General
-
Target
2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe
-
Size
446KB
-
MD5
ad1343d73d9967ce0d894d33999733b7
-
SHA1
997c3ab684c7e01df2b7d0f534138e4cca538140
-
SHA256
2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362
-
SHA512
26b492158cea1ae7436d8a9513dfeacb234c129c90c3f243f9e36bcf42a82cccb4ccee25b1d1002c4b81dfcad3b8f35e40e68b9e8dec420b572eefe702cfb511
-
SSDEEP
12288:ZEpClJf6hQ6M52J+zb4DfWDE8pfZ8xroSIAQOX4:Z/ChQ6M5O+zWME8n8doNP64
Malware Config
Signatures
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Drops file in Drivers directory 1 IoCs
Processes:
2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 4792 installd.exe 2676 nethtsrv.exe 3716 netupdsrv.exe 2376 nethtsrv.exe 4696 netupdsrv.exe -
Loads dropped DLL 14 IoCs
Processes:
2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exeinstalld.exenethtsrv.exenethtsrv.exepid process 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe 4792 installd.exe 2676 nethtsrv.exe 2676 nethtsrv.exe 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe 2376 nethtsrv.exe 2376 nethtsrv.exe 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.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:
2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exedescription ioc process File created C:\Windows\SysWOW64\hfpapi.dll 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe File created C:\Windows\SysWOW64\installd.exe 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe File created C:\Windows\SysWOW64\nethtsrv.exe 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe File created C:\Windows\SysWOW64\netupdsrv.exe 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe File created C:\Windows\SysWOW64\hfnapi.dll 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe -
Drops file in Program Files directory 3 IoCs
Processes:
2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.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 656 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 2376 nethtsrv.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exenet.exenet.exenet.exenet.exedescription pid process target process PID 1484 wrote to memory of 536 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe net.exe PID 1484 wrote to memory of 536 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe net.exe PID 1484 wrote to memory of 536 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe net.exe PID 536 wrote to memory of 4588 536 net.exe net1.exe PID 536 wrote to memory of 4588 536 net.exe net1.exe PID 536 wrote to memory of 4588 536 net.exe net1.exe PID 1484 wrote to memory of 3944 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe net.exe PID 1484 wrote to memory of 3944 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe net.exe PID 1484 wrote to memory of 3944 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe net.exe PID 3944 wrote to memory of 3168 3944 net.exe net1.exe PID 3944 wrote to memory of 3168 3944 net.exe net1.exe PID 3944 wrote to memory of 3168 3944 net.exe net1.exe PID 1484 wrote to memory of 4792 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe installd.exe PID 1484 wrote to memory of 4792 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe installd.exe PID 1484 wrote to memory of 4792 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe installd.exe PID 1484 wrote to memory of 2676 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe nethtsrv.exe PID 1484 wrote to memory of 2676 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe nethtsrv.exe PID 1484 wrote to memory of 2676 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe nethtsrv.exe PID 1484 wrote to memory of 3716 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe netupdsrv.exe PID 1484 wrote to memory of 3716 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe netupdsrv.exe PID 1484 wrote to memory of 3716 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe netupdsrv.exe PID 1484 wrote to memory of 3512 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe net.exe PID 1484 wrote to memory of 3512 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe net.exe PID 1484 wrote to memory of 3512 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe net.exe PID 3512 wrote to memory of 5088 3512 net.exe net1.exe PID 3512 wrote to memory of 5088 3512 net.exe net1.exe PID 3512 wrote to memory of 5088 3512 net.exe net1.exe PID 1484 wrote to memory of 3920 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe net.exe PID 1484 wrote to memory of 3920 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe net.exe PID 1484 wrote to memory of 3920 1484 2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe net.exe PID 3920 wrote to memory of 3860 3920 net.exe net1.exe PID 3920 wrote to memory of 3860 3920 net.exe net1.exe PID 3920 wrote to memory of 3860 3920 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.exe"C:\Users\Admin\AppData\Local\Temp\2ecb28706b8287330704f23dce8c3a1c8008428e09fd449485098eca8debc362.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:1484 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:4588
-
C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:3168
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C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4792 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2676 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:3716 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:3512 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:5088
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:3860
-
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:2376
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:4696
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
11KB
MD5c17103ae9072a06da581dec998343fc1
SHA1b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA256dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
SHA512d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
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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
MD59c81cb1db39b641a126f804905875fa4
SHA1699859f84cd33ca95ac89b319891f547011b6dfd
SHA25684de49fff6aea55becb8082b7e02d3d3927ae30dd5c5d051f6ba2a53e9194308
SHA5126cb292d5004a595f793aadb700723a34c873e95051eb27068f8292c8622413cb5644f62be80f926eb2146c2cb1cf68d8c1f67b10d06b172aab1e8f045093c7e5
-
Filesize
106KB
MD59c81cb1db39b641a126f804905875fa4
SHA1699859f84cd33ca95ac89b319891f547011b6dfd
SHA25684de49fff6aea55becb8082b7e02d3d3927ae30dd5c5d051f6ba2a53e9194308
SHA5126cb292d5004a595f793aadb700723a34c873e95051eb27068f8292c8622413cb5644f62be80f926eb2146c2cb1cf68d8c1f67b10d06b172aab1e8f045093c7e5
-
Filesize
106KB
MD59c81cb1db39b641a126f804905875fa4
SHA1699859f84cd33ca95ac89b319891f547011b6dfd
SHA25684de49fff6aea55becb8082b7e02d3d3927ae30dd5c5d051f6ba2a53e9194308
SHA5126cb292d5004a595f793aadb700723a34c873e95051eb27068f8292c8622413cb5644f62be80f926eb2146c2cb1cf68d8c1f67b10d06b172aab1e8f045093c7e5
-
Filesize
106KB
MD59c81cb1db39b641a126f804905875fa4
SHA1699859f84cd33ca95ac89b319891f547011b6dfd
SHA25684de49fff6aea55becb8082b7e02d3d3927ae30dd5c5d051f6ba2a53e9194308
SHA5126cb292d5004a595f793aadb700723a34c873e95051eb27068f8292c8622413cb5644f62be80f926eb2146c2cb1cf68d8c1f67b10d06b172aab1e8f045093c7e5
-
Filesize
241KB
MD53be392bcdbbe1bd3eb61f6e689549fdb
SHA1498c06addafb99c7a12de61c31d8840cad89621a
SHA2560de3531f84b54a1c286897b7ec4da34eafddbc95a6948f8e54465ea2684ee0de
SHA51206799d276059d4c6c1b7de9b2144fa3f4b7d6e3bc15433628fd396220801e32135388540244e3a26f9883ea3ccea3433108fff320703571a431d2e8289597385
-
Filesize
241KB
MD53be392bcdbbe1bd3eb61f6e689549fdb
SHA1498c06addafb99c7a12de61c31d8840cad89621a
SHA2560de3531f84b54a1c286897b7ec4da34eafddbc95a6948f8e54465ea2684ee0de
SHA51206799d276059d4c6c1b7de9b2144fa3f4b7d6e3bc15433628fd396220801e32135388540244e3a26f9883ea3ccea3433108fff320703571a431d2e8289597385
-
Filesize
241KB
MD53be392bcdbbe1bd3eb61f6e689549fdb
SHA1498c06addafb99c7a12de61c31d8840cad89621a
SHA2560de3531f84b54a1c286897b7ec4da34eafddbc95a6948f8e54465ea2684ee0de
SHA51206799d276059d4c6c1b7de9b2144fa3f4b7d6e3bc15433628fd396220801e32135388540244e3a26f9883ea3ccea3433108fff320703571a431d2e8289597385
-
Filesize
108KB
MD52dbc95cfe8b4e829e5ac5c0377b1be56
SHA1fe1a0d43b091821879f94d15c1d2167758f94a30
SHA25630ba3487d560eeff84077b52f612e32bce255192d61887fbff6793ba52e0238b
SHA5121394a241fe0a02b435e7fbb5c7425ec86882018bd0e7e7714bcd897820cbc0564f0b825d561e5c7c11b0b15408b2484dc27df32bab419b502e464f0bc12f6978
-
Filesize
108KB
MD52dbc95cfe8b4e829e5ac5c0377b1be56
SHA1fe1a0d43b091821879f94d15c1d2167758f94a30
SHA25630ba3487d560eeff84077b52f612e32bce255192d61887fbff6793ba52e0238b
SHA5121394a241fe0a02b435e7fbb5c7425ec86882018bd0e7e7714bcd897820cbc0564f0b825d561e5c7c11b0b15408b2484dc27df32bab419b502e464f0bc12f6978
-
Filesize
176KB
MD5fde94104a51bde33cff69c932d979c14
SHA1d0c820d9f88ccf81c8beb489909e38740b58ee79
SHA25694a025f992a0b4d564290acd0ec5898617da292e8d394bac3d5707c4ab132565
SHA512f49b28dbc5e4082e62812f59c36ac1adf446867c65c5ec3300ba7a221b6aa3148e4eca727d547fddb461cb87e9edf0ae750d365356feae3266579bc89ea29f4d
-
Filesize
176KB
MD5fde94104a51bde33cff69c932d979c14
SHA1d0c820d9f88ccf81c8beb489909e38740b58ee79
SHA25694a025f992a0b4d564290acd0ec5898617da292e8d394bac3d5707c4ab132565
SHA512f49b28dbc5e4082e62812f59c36ac1adf446867c65c5ec3300ba7a221b6aa3148e4eca727d547fddb461cb87e9edf0ae750d365356feae3266579bc89ea29f4d
-
Filesize
176KB
MD5fde94104a51bde33cff69c932d979c14
SHA1d0c820d9f88ccf81c8beb489909e38740b58ee79
SHA25694a025f992a0b4d564290acd0ec5898617da292e8d394bac3d5707c4ab132565
SHA512f49b28dbc5e4082e62812f59c36ac1adf446867c65c5ec3300ba7a221b6aa3148e4eca727d547fddb461cb87e9edf0ae750d365356feae3266579bc89ea29f4d
-
Filesize
158KB
MD5e6701b27036bb06574208c1742f36a33
SHA1c52dc9f8433b26975442bb55fc8279aac7525b4d
SHA25658f676394a925b25d62b9de9c8c73c51ff789cdb1d96104841794e77b9ff72bd
SHA5121f03a0becbb73d21ab7fc0736be456adc4fdf9667d1430507101b5634cac7c494fa9f242d1bdbe6ce0e1c36e9703218d0426a58bc300e2f26d8633dc1a848595
-
Filesize
158KB
MD5e6701b27036bb06574208c1742f36a33
SHA1c52dc9f8433b26975442bb55fc8279aac7525b4d
SHA25658f676394a925b25d62b9de9c8c73c51ff789cdb1d96104841794e77b9ff72bd
SHA5121f03a0becbb73d21ab7fc0736be456adc4fdf9667d1430507101b5634cac7c494fa9f242d1bdbe6ce0e1c36e9703218d0426a58bc300e2f26d8633dc1a848595
-
Filesize
158KB
MD5e6701b27036bb06574208c1742f36a33
SHA1c52dc9f8433b26975442bb55fc8279aac7525b4d
SHA25658f676394a925b25d62b9de9c8c73c51ff789cdb1d96104841794e77b9ff72bd
SHA5121f03a0becbb73d21ab7fc0736be456adc4fdf9667d1430507101b5634cac7c494fa9f242d1bdbe6ce0e1c36e9703218d0426a58bc300e2f26d8633dc1a848595