Analysis
-
max time kernel
147s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 10:56
Static task
static1
Behavioral task
behavioral1
Sample
58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe
Resource
win10v2004-20220812-en
General
-
Target
58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe
-
Size
447KB
-
MD5
8536a9d7f54f5edc7ac4a94427bf7dbb
-
SHA1
ca7c207c4665498eee922211236f3e88b127d82f
-
SHA256
58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc
-
SHA512
fcf6b792ae9ea0381f139a1205ff276bf9ff3683528fbcaff00a6edad954b758af67b6cad95dfa9af6e6db2b594ecc8befc9ab0a19e3ddd0862bbfad23485a78
-
SSDEEP
12288:qL/nNqdHHaNJGEzxr8Xn83G8Lv35M44ABQ/5B:qDIejzxrYn8W8Lv63AmH
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 4468 installd.exe 4300 nethtsrv.exe 4396 netupdsrv.exe 2176 nethtsrv.exe 4596 netupdsrv.exe -
Loads dropped DLL 14 IoCs
Processes:
58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exeinstalld.exenethtsrv.exenethtsrv.exepid process 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe 4468 installd.exe 4300 nethtsrv.exe 4300 nethtsrv.exe 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe 2176 nethtsrv.exe 2176 nethtsrv.exe 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.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:
58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exedescription ioc process File created C:\Windows\SysWOW64\hfnapi.dll 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe File created C:\Windows\SysWOW64\hfpapi.dll 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe File created C:\Windows\SysWOW64\installd.exe 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe File created C:\Windows\SysWOW64\nethtsrv.exe 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe File created C:\Windows\SysWOW64\netupdsrv.exe 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe -
Drops file in Program Files directory 3 IoCs
Processes:
58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.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 648 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 2176 nethtsrv.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exenet.exenet.exenet.exenet.exedescription pid process target process PID 4884 wrote to memory of 2612 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe net.exe PID 4884 wrote to memory of 2612 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe net.exe PID 4884 wrote to memory of 2612 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe net.exe PID 2612 wrote to memory of 256 2612 net.exe net1.exe PID 2612 wrote to memory of 256 2612 net.exe net1.exe PID 2612 wrote to memory of 256 2612 net.exe net1.exe PID 4884 wrote to memory of 224 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe net.exe PID 4884 wrote to memory of 224 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe net.exe PID 4884 wrote to memory of 224 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe net.exe PID 224 wrote to memory of 4652 224 net.exe net1.exe PID 224 wrote to memory of 4652 224 net.exe net1.exe PID 224 wrote to memory of 4652 224 net.exe net1.exe PID 4884 wrote to memory of 4468 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe installd.exe PID 4884 wrote to memory of 4468 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe installd.exe PID 4884 wrote to memory of 4468 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe installd.exe PID 4884 wrote to memory of 4300 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe nethtsrv.exe PID 4884 wrote to memory of 4300 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe nethtsrv.exe PID 4884 wrote to memory of 4300 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe nethtsrv.exe PID 4884 wrote to memory of 4396 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe netupdsrv.exe PID 4884 wrote to memory of 4396 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe netupdsrv.exe PID 4884 wrote to memory of 4396 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe netupdsrv.exe PID 4884 wrote to memory of 848 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe net.exe PID 4884 wrote to memory of 848 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe net.exe PID 4884 wrote to memory of 848 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe net.exe PID 848 wrote to memory of 2688 848 net.exe net1.exe PID 848 wrote to memory of 2688 848 net.exe net1.exe PID 848 wrote to memory of 2688 848 net.exe net1.exe PID 4884 wrote to memory of 3756 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe net.exe PID 4884 wrote to memory of 3756 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe net.exe PID 4884 wrote to memory of 3756 4884 58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe net.exe PID 3756 wrote to memory of 4720 3756 net.exe net1.exe PID 3756 wrote to memory of 4720 3756 net.exe net1.exe PID 3756 wrote to memory of 4720 3756 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe"C:\Users\Admin\AppData\Local\Temp\58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.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:4884 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:256
-
C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:4652
-
C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4468 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4300 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:4396 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:2688
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:3756 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:4720
-
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:2176
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:4596
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
MD512266a60edfa052509c1c43382d561e8
SHA10e3b43c01f18a4af869100523f7c2175937f0ab4
SHA256d726284a1b683c84a741ec0f87db7836d2da90486eb65641482e114791c45f2c
SHA512119f4ebbc063e5843c70a1790a5190fdb4e32d44b9e9346915ab87da25cc51fa1d29c59668d407ee3f5b4ec430dc0ac2c7afefcbc61ec66f499dbd3eec5c594d
-
Filesize
106KB
MD512266a60edfa052509c1c43382d561e8
SHA10e3b43c01f18a4af869100523f7c2175937f0ab4
SHA256d726284a1b683c84a741ec0f87db7836d2da90486eb65641482e114791c45f2c
SHA512119f4ebbc063e5843c70a1790a5190fdb4e32d44b9e9346915ab87da25cc51fa1d29c59668d407ee3f5b4ec430dc0ac2c7afefcbc61ec66f499dbd3eec5c594d
-
Filesize
106KB
MD512266a60edfa052509c1c43382d561e8
SHA10e3b43c01f18a4af869100523f7c2175937f0ab4
SHA256d726284a1b683c84a741ec0f87db7836d2da90486eb65641482e114791c45f2c
SHA512119f4ebbc063e5843c70a1790a5190fdb4e32d44b9e9346915ab87da25cc51fa1d29c59668d407ee3f5b4ec430dc0ac2c7afefcbc61ec66f499dbd3eec5c594d
-
Filesize
106KB
MD512266a60edfa052509c1c43382d561e8
SHA10e3b43c01f18a4af869100523f7c2175937f0ab4
SHA256d726284a1b683c84a741ec0f87db7836d2da90486eb65641482e114791c45f2c
SHA512119f4ebbc063e5843c70a1790a5190fdb4e32d44b9e9346915ab87da25cc51fa1d29c59668d407ee3f5b4ec430dc0ac2c7afefcbc61ec66f499dbd3eec5c594d
-
Filesize
244KB
MD595d269c76097755b1b23641a29f96e1f
SHA100fb22884fe85fb2c3bf4b3e3647bb7f69f2057f
SHA2562aee7aecd1952047fb89214ea72e84838f67a52c7b2e310e38b66e1793170894
SHA5120014546bfb3a3ad4c47528f6db7e474067a1c1fcf80d41a64487cbf69c524d367f29eaf660076cd38fb8d575bfc185ae7e713a8c0e55206928a8a3d0814c1b3a
-
Filesize
244KB
MD595d269c76097755b1b23641a29f96e1f
SHA100fb22884fe85fb2c3bf4b3e3647bb7f69f2057f
SHA2562aee7aecd1952047fb89214ea72e84838f67a52c7b2e310e38b66e1793170894
SHA5120014546bfb3a3ad4c47528f6db7e474067a1c1fcf80d41a64487cbf69c524d367f29eaf660076cd38fb8d575bfc185ae7e713a8c0e55206928a8a3d0814c1b3a
-
Filesize
244KB
MD595d269c76097755b1b23641a29f96e1f
SHA100fb22884fe85fb2c3bf4b3e3647bb7f69f2057f
SHA2562aee7aecd1952047fb89214ea72e84838f67a52c7b2e310e38b66e1793170894
SHA5120014546bfb3a3ad4c47528f6db7e474067a1c1fcf80d41a64487cbf69c524d367f29eaf660076cd38fb8d575bfc185ae7e713a8c0e55206928a8a3d0814c1b3a
-
Filesize
108KB
MD59e08cd5d7fc7230ac798936e07bb3b49
SHA12b4f951bf98896b0f6ec8809dd695a5533a74c96
SHA2566c08d243c3024225fea28ba3d37bbc17e0014e4c13914b55bec9ec406995d01c
SHA512847348f9f9ee7bb0ba1f4d690b361ef01f98de933dad3cbd345e8a177ed20f378960464b76e56a3b2c3d71f907cf5df7a6f3b59fd8cfb91ae8f5fb3158ae144f
-
Filesize
108KB
MD59e08cd5d7fc7230ac798936e07bb3b49
SHA12b4f951bf98896b0f6ec8809dd695a5533a74c96
SHA2566c08d243c3024225fea28ba3d37bbc17e0014e4c13914b55bec9ec406995d01c
SHA512847348f9f9ee7bb0ba1f4d690b361ef01f98de933dad3cbd345e8a177ed20f378960464b76e56a3b2c3d71f907cf5df7a6f3b59fd8cfb91ae8f5fb3158ae144f
-
Filesize
176KB
MD5390c2d41862f5e03c6179d0995e3c7a8
SHA16bb5a110982c145ecf24983b321cdf05a332c1f4
SHA25673acd1a0a676bffe3034872471c9bafe875c948c79fc9d92237140aad7eda261
SHA51240d399ea68c341ba859ce0ccecc64bdcd438cfe05721d157c705f89684d49707e37a8b822581f2114473bd359916615fac685e1c92ed89855bef6fa36e12ea1a
-
Filesize
176KB
MD5390c2d41862f5e03c6179d0995e3c7a8
SHA16bb5a110982c145ecf24983b321cdf05a332c1f4
SHA25673acd1a0a676bffe3034872471c9bafe875c948c79fc9d92237140aad7eda261
SHA51240d399ea68c341ba859ce0ccecc64bdcd438cfe05721d157c705f89684d49707e37a8b822581f2114473bd359916615fac685e1c92ed89855bef6fa36e12ea1a
-
Filesize
176KB
MD5390c2d41862f5e03c6179d0995e3c7a8
SHA16bb5a110982c145ecf24983b321cdf05a332c1f4
SHA25673acd1a0a676bffe3034872471c9bafe875c948c79fc9d92237140aad7eda261
SHA51240d399ea68c341ba859ce0ccecc64bdcd438cfe05721d157c705f89684d49707e37a8b822581f2114473bd359916615fac685e1c92ed89855bef6fa36e12ea1a
-
Filesize
159KB
MD5c10b1d5aec83932623fc18ecfef7189b
SHA1669e0cf3a2385488e695e4e8954dda2254987557
SHA2568110ac684f79235f8dbb71d48af25905e07a1064f62a3c03e70311c676198a0b
SHA5120ffd41a0c39bbb22edaded4131a6dee04811bb1080fcdd1ea96c16e6ab7fbab5ac339f52889701ab400d19aae8da68b34cce1b43c7c23fef092eb1d5064ef0df
-
Filesize
159KB
MD5c10b1d5aec83932623fc18ecfef7189b
SHA1669e0cf3a2385488e695e4e8954dda2254987557
SHA2568110ac684f79235f8dbb71d48af25905e07a1064f62a3c03e70311c676198a0b
SHA5120ffd41a0c39bbb22edaded4131a6dee04811bb1080fcdd1ea96c16e6ab7fbab5ac339f52889701ab400d19aae8da68b34cce1b43c7c23fef092eb1d5064ef0df
-
Filesize
159KB
MD5c10b1d5aec83932623fc18ecfef7189b
SHA1669e0cf3a2385488e695e4e8954dda2254987557
SHA2568110ac684f79235f8dbb71d48af25905e07a1064f62a3c03e70311c676198a0b
SHA5120ffd41a0c39bbb22edaded4131a6dee04811bb1080fcdd1ea96c16e6ab7fbab5ac339f52889701ab400d19aae8da68b34cce1b43c7c23fef092eb1d5064ef0df