Analysis
-
max time kernel
90s -
max time network
145s -
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 10:35
Static task
static1
Behavioral task
behavioral1
Sample
022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe
Resource
win10v2004-20220901-en
General
-
Target
022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe
-
Size
603KB
-
MD5
bb071fdbc865a682faa8d48cff7ebdf9
-
SHA1
f350727fe0e96937431c94c51f94b03b768954c1
-
SHA256
022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc
-
SHA512
0efbed9a672b25f1b78a9282b08d5741834716ffe0115a2b09aafdd3689beab27371d7c8c070aca8c8ac122c291327fd0096d17f495ebaad07b209094ba357d4
-
SSDEEP
12288:bIny5DYTfI71s5HUJ9JTGcvGC7pqUTD9z:jUTfgu5HUJ9JTGcO4oUXF
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 4184 installd.exe 4040 nethtsrv.exe 4116 netupdsrv.exe 3832 nethtsrv.exe 4584 netupdsrv.exe -
Loads dropped DLL 14 IoCs
Processes:
022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exeinstalld.exenethtsrv.exenethtsrv.exepid process 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe 4184 installd.exe 4040 nethtsrv.exe 4040 nethtsrv.exe 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe 3832 nethtsrv.exe 3832 nethtsrv.exe 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.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:
022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exedescription ioc process File created C:\Windows\SysWOW64\netupdsrv.exe 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe File created C:\Windows\SysWOW64\hfnapi.dll 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe File created C:\Windows\SysWOW64\hfpapi.dll 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe File created C:\Windows\SysWOW64\installd.exe 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe File created C:\Windows\SysWOW64\nethtsrv.exe 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe -
Drops file in Program Files directory 3 IoCs
Processes:
022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exedescription ioc process File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe File created C:\Program Files (x86)\Common Files\Config\data.xml 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.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 668 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 3832 nethtsrv.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exenet.exenet.exenet.exenet.exedescription pid process target process PID 2068 wrote to memory of 2164 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe net.exe PID 2068 wrote to memory of 2164 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe net.exe PID 2068 wrote to memory of 2164 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe net.exe PID 2164 wrote to memory of 800 2164 net.exe net1.exe PID 2164 wrote to memory of 800 2164 net.exe net1.exe PID 2164 wrote to memory of 800 2164 net.exe net1.exe PID 2068 wrote to memory of 3812 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe net.exe PID 2068 wrote to memory of 3812 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe net.exe PID 2068 wrote to memory of 3812 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe net.exe PID 3812 wrote to memory of 3356 3812 net.exe net1.exe PID 3812 wrote to memory of 3356 3812 net.exe net1.exe PID 3812 wrote to memory of 3356 3812 net.exe net1.exe PID 2068 wrote to memory of 4184 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe installd.exe PID 2068 wrote to memory of 4184 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe installd.exe PID 2068 wrote to memory of 4184 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe installd.exe PID 2068 wrote to memory of 4040 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe nethtsrv.exe PID 2068 wrote to memory of 4040 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe nethtsrv.exe PID 2068 wrote to memory of 4040 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe nethtsrv.exe PID 2068 wrote to memory of 4116 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe netupdsrv.exe PID 2068 wrote to memory of 4116 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe netupdsrv.exe PID 2068 wrote to memory of 4116 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe netupdsrv.exe PID 2068 wrote to memory of 4544 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe net.exe PID 2068 wrote to memory of 4544 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe net.exe PID 2068 wrote to memory of 4544 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe net.exe PID 4544 wrote to memory of 1264 4544 net.exe net1.exe PID 4544 wrote to memory of 1264 4544 net.exe net1.exe PID 4544 wrote to memory of 1264 4544 net.exe net1.exe PID 2068 wrote to memory of 4588 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe net.exe PID 2068 wrote to memory of 4588 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe net.exe PID 2068 wrote to memory of 4588 2068 022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe net.exe PID 4588 wrote to memory of 3452 4588 net.exe net1.exe PID 4588 wrote to memory of 3452 4588 net.exe net1.exe PID 4588 wrote to memory of 3452 4588 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.exe"C:\Users\Admin\AppData\Local\Temp\022895e436e8fde13d742b6803909e9d9b972092752e508c9536f5210001aefc.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:2068 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:2164 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:800
-
C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:3812 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:3356
-
C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4184 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4040 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:4116 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:4544 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:1264
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:4588 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:3452
-
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:3832
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:4584
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
MD50b10e72ea56a4a69c5d442e9ef68e870
SHA17bed3e940788d91be71571bdc4847adc10b053f8
SHA2562708b19a292fb0881ef2624c71f45f33ec39c171306708ce56cfd359bafeebe8
SHA512e6f6a1a44256f29b176e86dd9fc03654a160c1e69413a5c513a0515ec356512bdb58763422be4964b5e5c9132a7e14c6aeab364c23c411f80a83e60e065eaf16
-
Filesize
106KB
MD50b10e72ea56a4a69c5d442e9ef68e870
SHA17bed3e940788d91be71571bdc4847adc10b053f8
SHA2562708b19a292fb0881ef2624c71f45f33ec39c171306708ce56cfd359bafeebe8
SHA512e6f6a1a44256f29b176e86dd9fc03654a160c1e69413a5c513a0515ec356512bdb58763422be4964b5e5c9132a7e14c6aeab364c23c411f80a83e60e065eaf16
-
Filesize
106KB
MD50b10e72ea56a4a69c5d442e9ef68e870
SHA17bed3e940788d91be71571bdc4847adc10b053f8
SHA2562708b19a292fb0881ef2624c71f45f33ec39c171306708ce56cfd359bafeebe8
SHA512e6f6a1a44256f29b176e86dd9fc03654a160c1e69413a5c513a0515ec356512bdb58763422be4964b5e5c9132a7e14c6aeab364c23c411f80a83e60e065eaf16
-
Filesize
106KB
MD50b10e72ea56a4a69c5d442e9ef68e870
SHA17bed3e940788d91be71571bdc4847adc10b053f8
SHA2562708b19a292fb0881ef2624c71f45f33ec39c171306708ce56cfd359bafeebe8
SHA512e6f6a1a44256f29b176e86dd9fc03654a160c1e69413a5c513a0515ec356512bdb58763422be4964b5e5c9132a7e14c6aeab364c23c411f80a83e60e065eaf16
-
Filesize
244KB
MD559e69ced8e4966f9d31b94e33a71d121
SHA1272c58395852ed54ab3e36482c9bf8c0cbbcd8e6
SHA25675210751b30ab7597ba82d561f99cf50d1f38234ddc7373ceb80be350cf7ed37
SHA5129199c2f7e200c5c185a8b5711eb9af5a07635f5b1d539f0ebdd1509d3c18ab72c4f774fbccf9210974fb6a54dcb3b9d0b05c458f0f1c187b86f076b21e958e94
-
Filesize
244KB
MD559e69ced8e4966f9d31b94e33a71d121
SHA1272c58395852ed54ab3e36482c9bf8c0cbbcd8e6
SHA25675210751b30ab7597ba82d561f99cf50d1f38234ddc7373ceb80be350cf7ed37
SHA5129199c2f7e200c5c185a8b5711eb9af5a07635f5b1d539f0ebdd1509d3c18ab72c4f774fbccf9210974fb6a54dcb3b9d0b05c458f0f1c187b86f076b21e958e94
-
Filesize
244KB
MD559e69ced8e4966f9d31b94e33a71d121
SHA1272c58395852ed54ab3e36482c9bf8c0cbbcd8e6
SHA25675210751b30ab7597ba82d561f99cf50d1f38234ddc7373ceb80be350cf7ed37
SHA5129199c2f7e200c5c185a8b5711eb9af5a07635f5b1d539f0ebdd1509d3c18ab72c4f774fbccf9210974fb6a54dcb3b9d0b05c458f0f1c187b86f076b21e958e94
-
Filesize
108KB
MD5584a37abc6b70ba89af16de06aa2bd77
SHA14a87bd7f97ceed66d8dda5e04b01caa26e03b6f6
SHA2562c69b18bc8cd7f7d8364cba9c8b8f21628e5e1072c15e9742cee2a9c0d47872f
SHA5122cbd8db29cb7f9d4da1df435e4e4e42cea4367df8c992a4c2c1e66f0f85e0e5b101ec8915d9dbdb9ba01e9100120e6e93cc81c12a1d0a375d501d53174ae3c4c
-
Filesize
108KB
MD5584a37abc6b70ba89af16de06aa2bd77
SHA14a87bd7f97ceed66d8dda5e04b01caa26e03b6f6
SHA2562c69b18bc8cd7f7d8364cba9c8b8f21628e5e1072c15e9742cee2a9c0d47872f
SHA5122cbd8db29cb7f9d4da1df435e4e4e42cea4367df8c992a4c2c1e66f0f85e0e5b101ec8915d9dbdb9ba01e9100120e6e93cc81c12a1d0a375d501d53174ae3c4c
-
Filesize
176KB
MD544121fca7c85649d46c03b287e1b2840
SHA172820b6301a5cb98bb7131e4c8e4f9ef7d581bc3
SHA2564d599289ab33bbe12e12fe85c99929a06ad3315d26ce34b4d7dd6e52ee1643ef
SHA5126b2bc60d1eb63ba2e9515656aa75feaef8a42fdab6c1929d944ca2a18bdeb49464062195ac8eb7a59cef4abaf9044e640a7bd64595888d3b67ed9d12553a6e1d
-
Filesize
176KB
MD544121fca7c85649d46c03b287e1b2840
SHA172820b6301a5cb98bb7131e4c8e4f9ef7d581bc3
SHA2564d599289ab33bbe12e12fe85c99929a06ad3315d26ce34b4d7dd6e52ee1643ef
SHA5126b2bc60d1eb63ba2e9515656aa75feaef8a42fdab6c1929d944ca2a18bdeb49464062195ac8eb7a59cef4abaf9044e640a7bd64595888d3b67ed9d12553a6e1d
-
Filesize
176KB
MD544121fca7c85649d46c03b287e1b2840
SHA172820b6301a5cb98bb7131e4c8e4f9ef7d581bc3
SHA2564d599289ab33bbe12e12fe85c99929a06ad3315d26ce34b4d7dd6e52ee1643ef
SHA5126b2bc60d1eb63ba2e9515656aa75feaef8a42fdab6c1929d944ca2a18bdeb49464062195ac8eb7a59cef4abaf9044e640a7bd64595888d3b67ed9d12553a6e1d
-
Filesize
158KB
MD5eeb633d265692b9a7452880685e3c7b1
SHA127c12fdae7f506b87a85351735efd76753c0cca8
SHA2567ca4dcff6de1c5980cc51376692b37de0481d9764b69f6f00b65d4c4347d77b0
SHA51264588fd050bee5c82786e0380a653a1257ea7d79f33548d5a1a3ea3d203319ae1b2d59e5ae8685220d96d4346ecfd7405cb2153dca2cee3ccb1b75606ab8040b
-
Filesize
158KB
MD5eeb633d265692b9a7452880685e3c7b1
SHA127c12fdae7f506b87a85351735efd76753c0cca8
SHA2567ca4dcff6de1c5980cc51376692b37de0481d9764b69f6f00b65d4c4347d77b0
SHA51264588fd050bee5c82786e0380a653a1257ea7d79f33548d5a1a3ea3d203319ae1b2d59e5ae8685220d96d4346ecfd7405cb2153dca2cee3ccb1b75606ab8040b
-
Filesize
158KB
MD5eeb633d265692b9a7452880685e3c7b1
SHA127c12fdae7f506b87a85351735efd76753c0cca8
SHA2567ca4dcff6de1c5980cc51376692b37de0481d9764b69f6f00b65d4c4347d77b0
SHA51264588fd050bee5c82786e0380a653a1257ea7d79f33548d5a1a3ea3d203319ae1b2d59e5ae8685220d96d4346ecfd7405cb2153dca2cee3ccb1b75606ab8040b