Analysis
-
max time kernel
171s -
max time network
193s -
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 10:18
Static task
static1
Behavioral task
behavioral1
Sample
9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe
Resource
win10v2004-20221111-en
General
-
Target
9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe
-
Size
601KB
-
MD5
98794db85c5fbd8705fcc439f7a2c06a
-
SHA1
65c8e38af309be8f7258090d6cdc6a67eb485fdd
-
SHA256
9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6
-
SHA512
4ffb12db318bd6c148e2bfd342d8072efe0d2211e5c185c95b8076d7a354b4c7f0c07cbd2d0ccd0b1c6eb49c26b6f8b22ee3bed67c2754ac15f5516e570f5ed3
-
SSDEEP
12288:tIny5DYTjgwDcd+nVg4lXEhryVReVcwmtRiW6wZXD3hP2OyaSW3:5UTMwDcCS4lKmHeKwaAWvFReXW
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 2780 installd.exe 1312 nethtsrv.exe 2284 netupdsrv.exe 3788 nethtsrv.exe 4616 netupdsrv.exe -
Loads dropped DLL 14 IoCs
Processes:
9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exeinstalld.exenethtsrv.exenethtsrv.exepid process 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe 2780 installd.exe 1312 nethtsrv.exe 1312 nethtsrv.exe 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe 3788 nethtsrv.exe 3788 nethtsrv.exe 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.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:
9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exedescription ioc process File created C:\Windows\SysWOW64\netupdsrv.exe 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe File created C:\Windows\SysWOW64\hfnapi.dll 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe File created C:\Windows\SysWOW64\hfpapi.dll 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe File created C:\Windows\SysWOW64\installd.exe 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe File created C:\Windows\SysWOW64\nethtsrv.exe 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe -
Drops file in Program Files directory 3 IoCs
Processes:
9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exedescription ioc process File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe File created C:\Program Files (x86)\Common Files\Config\data.xml 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.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 3788 nethtsrv.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exenet.exenet.exenet.exenet.exedescription pid process target process PID 1320 wrote to memory of 1524 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe net.exe PID 1320 wrote to memory of 1524 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe net.exe PID 1320 wrote to memory of 1524 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe net.exe PID 1524 wrote to memory of 4412 1524 net.exe net1.exe PID 1524 wrote to memory of 4412 1524 net.exe net1.exe PID 1524 wrote to memory of 4412 1524 net.exe net1.exe PID 1320 wrote to memory of 3328 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe net.exe PID 1320 wrote to memory of 3328 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe net.exe PID 1320 wrote to memory of 3328 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe net.exe PID 3328 wrote to memory of 4796 3328 net.exe net1.exe PID 3328 wrote to memory of 4796 3328 net.exe net1.exe PID 3328 wrote to memory of 4796 3328 net.exe net1.exe PID 1320 wrote to memory of 2780 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe installd.exe PID 1320 wrote to memory of 2780 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe installd.exe PID 1320 wrote to memory of 2780 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe installd.exe PID 1320 wrote to memory of 1312 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe nethtsrv.exe PID 1320 wrote to memory of 1312 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe nethtsrv.exe PID 1320 wrote to memory of 1312 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe nethtsrv.exe PID 1320 wrote to memory of 2284 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe netupdsrv.exe PID 1320 wrote to memory of 2284 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe netupdsrv.exe PID 1320 wrote to memory of 2284 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe netupdsrv.exe PID 1320 wrote to memory of 3672 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe net.exe PID 1320 wrote to memory of 3672 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe net.exe PID 1320 wrote to memory of 3672 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe net.exe PID 3672 wrote to memory of 3392 3672 net.exe net1.exe PID 3672 wrote to memory of 3392 3672 net.exe net1.exe PID 3672 wrote to memory of 3392 3672 net.exe net1.exe PID 1320 wrote to memory of 4456 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe net.exe PID 1320 wrote to memory of 4456 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe net.exe PID 1320 wrote to memory of 4456 1320 9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe net.exe PID 4456 wrote to memory of 4140 4456 net.exe net1.exe PID 4456 wrote to memory of 4140 4456 net.exe net1.exe PID 4456 wrote to memory of 4140 4456 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.exe"C:\Users\Admin\AppData\Local\Temp\9cb7b4ee670775a51670477c14d5993e27829909a890274df47af992bedc19b6.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:1320 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:4412
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C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:3328 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:4796
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C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2780 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1312 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:2284 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:3392
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:4456 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:4140
-
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:3788
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:4616
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
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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
106KB
MD5b859a901f2e203e32e6371a977c770b2
SHA12184e3bfd4e77e5cb4598a7d0e22d6254819eadf
SHA2566e85d4ec6526e9a99877e95106bf43b1c1f89e492411d86264cc70ad6ae9e85d
SHA512a5e027d5c979d96436a8058e297dbf430e5190bb469464a2cc68a2650875c9ce32631279cb9a0b86929747fd772ef853d283e6c5ded5d0ef043035d3248a1ede
-
Filesize
106KB
MD5b859a901f2e203e32e6371a977c770b2
SHA12184e3bfd4e77e5cb4598a7d0e22d6254819eadf
SHA2566e85d4ec6526e9a99877e95106bf43b1c1f89e492411d86264cc70ad6ae9e85d
SHA512a5e027d5c979d96436a8058e297dbf430e5190bb469464a2cc68a2650875c9ce32631279cb9a0b86929747fd772ef853d283e6c5ded5d0ef043035d3248a1ede
-
Filesize
106KB
MD5b859a901f2e203e32e6371a977c770b2
SHA12184e3bfd4e77e5cb4598a7d0e22d6254819eadf
SHA2566e85d4ec6526e9a99877e95106bf43b1c1f89e492411d86264cc70ad6ae9e85d
SHA512a5e027d5c979d96436a8058e297dbf430e5190bb469464a2cc68a2650875c9ce32631279cb9a0b86929747fd772ef853d283e6c5ded5d0ef043035d3248a1ede
-
Filesize
106KB
MD5b859a901f2e203e32e6371a977c770b2
SHA12184e3bfd4e77e5cb4598a7d0e22d6254819eadf
SHA2566e85d4ec6526e9a99877e95106bf43b1c1f89e492411d86264cc70ad6ae9e85d
SHA512a5e027d5c979d96436a8058e297dbf430e5190bb469464a2cc68a2650875c9ce32631279cb9a0b86929747fd772ef853d283e6c5ded5d0ef043035d3248a1ede
-
Filesize
241KB
MD5360bcc881253eec2a9dc5d7b914483c2
SHA1d9c1f8bd92463e8775c180fb948ed67903f62cde
SHA256b489b104b12f15217452e64533943abe490d496be71160232be5f824ef084f13
SHA512fe4d3e750b6f9a32f57b2d1807835f00af527c7165e88203a9f121289b5bd98542759812cb3b4a62fdb8e250e303668d9f47b3ad58ad2a65727d79daf092d256
-
Filesize
241KB
MD5360bcc881253eec2a9dc5d7b914483c2
SHA1d9c1f8bd92463e8775c180fb948ed67903f62cde
SHA256b489b104b12f15217452e64533943abe490d496be71160232be5f824ef084f13
SHA512fe4d3e750b6f9a32f57b2d1807835f00af527c7165e88203a9f121289b5bd98542759812cb3b4a62fdb8e250e303668d9f47b3ad58ad2a65727d79daf092d256
-
Filesize
241KB
MD5360bcc881253eec2a9dc5d7b914483c2
SHA1d9c1f8bd92463e8775c180fb948ed67903f62cde
SHA256b489b104b12f15217452e64533943abe490d496be71160232be5f824ef084f13
SHA512fe4d3e750b6f9a32f57b2d1807835f00af527c7165e88203a9f121289b5bd98542759812cb3b4a62fdb8e250e303668d9f47b3ad58ad2a65727d79daf092d256
-
Filesize
108KB
MD590fb253e2f5718e3b3fa7bdbf710ae91
SHA165b4aff7040e9673afc68d7c015b3e3db712b313
SHA256b7a322282056795003729e15f0debe8215756c4f1368b0b4c00ec8b3a8a8ba8a
SHA512a87aab95c747348bae89a2099d76aec12f22f4b12bb60ef088cfd5ef7977390a517ee39e5f445560233e1a74db4d00e40a076b97ae7c8e003dab10701ce98512
-
Filesize
108KB
MD590fb253e2f5718e3b3fa7bdbf710ae91
SHA165b4aff7040e9673afc68d7c015b3e3db712b313
SHA256b7a322282056795003729e15f0debe8215756c4f1368b0b4c00ec8b3a8a8ba8a
SHA512a87aab95c747348bae89a2099d76aec12f22f4b12bb60ef088cfd5ef7977390a517ee39e5f445560233e1a74db4d00e40a076b97ae7c8e003dab10701ce98512
-
Filesize
176KB
MD56d6751df6c1942b12c65ecbbb0a3be31
SHA1444f2ad6ed704ec117095b79d37f38c5c1db9a0a
SHA256255ae1e2232f96ebe71678bae1c52c74403d7fbcc8173a7d7fac807c0e89a94d
SHA512f6febed273e387572fc9de9b3b78229c449e23c48068313b3c8ca7ebbf4eb2e168cd10551229c91ecab050d67dee49364f2f03b5a675558b893531535f672a09
-
Filesize
176KB
MD56d6751df6c1942b12c65ecbbb0a3be31
SHA1444f2ad6ed704ec117095b79d37f38c5c1db9a0a
SHA256255ae1e2232f96ebe71678bae1c52c74403d7fbcc8173a7d7fac807c0e89a94d
SHA512f6febed273e387572fc9de9b3b78229c449e23c48068313b3c8ca7ebbf4eb2e168cd10551229c91ecab050d67dee49364f2f03b5a675558b893531535f672a09
-
Filesize
176KB
MD56d6751df6c1942b12c65ecbbb0a3be31
SHA1444f2ad6ed704ec117095b79d37f38c5c1db9a0a
SHA256255ae1e2232f96ebe71678bae1c52c74403d7fbcc8173a7d7fac807c0e89a94d
SHA512f6febed273e387572fc9de9b3b78229c449e23c48068313b3c8ca7ebbf4eb2e168cd10551229c91ecab050d67dee49364f2f03b5a675558b893531535f672a09
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Filesize
158KB
MD5aeed8d1ace4b6926a84903f07cefdbc6
SHA17d20b76039dd3dd52686f318df2d9e4d0380e85c
SHA256be63256c6515fffd81d1be41f93bdf375e350475e7c479b2c06a067b437fce56
SHA512f367f4b205a2d9a489e8cffb645aef939d0d003803c2da099b7f90f17b7d484459c63dba90e1b6bc8d199fae9c08b458e031ced6311fd8513a9828f1f39f99cb
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Filesize
158KB
MD5aeed8d1ace4b6926a84903f07cefdbc6
SHA17d20b76039dd3dd52686f318df2d9e4d0380e85c
SHA256be63256c6515fffd81d1be41f93bdf375e350475e7c479b2c06a067b437fce56
SHA512f367f4b205a2d9a489e8cffb645aef939d0d003803c2da099b7f90f17b7d484459c63dba90e1b6bc8d199fae9c08b458e031ced6311fd8513a9828f1f39f99cb
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Filesize
158KB
MD5aeed8d1ace4b6926a84903f07cefdbc6
SHA17d20b76039dd3dd52686f318df2d9e4d0380e85c
SHA256be63256c6515fffd81d1be41f93bdf375e350475e7c479b2c06a067b437fce56
SHA512f367f4b205a2d9a489e8cffb645aef939d0d003803c2da099b7f90f17b7d484459c63dba90e1b6bc8d199fae9c08b458e031ced6311fd8513a9828f1f39f99cb