Analysis
-
max time kernel
151s -
max time network
194s -
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 10:17
Static task
static1
Behavioral task
behavioral1
Sample
a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe
Resource
win10v2004-20221111-en
General
-
Target
a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe
-
Size
601KB
-
MD5
7ade54834ca50c9f7d129ff522230daf
-
SHA1
45ffd6ca7f11c94971e92f22dca0ad666576fb34
-
SHA256
a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8
-
SHA512
fe3a075ccc43db37bd694093253fe9ff634154b7dfaa478315298f483e50561be02824e633407fb57e056ab3e1d69e2a7f36e87af99e36ec0c79b0bf98b591ab
-
SSDEEP
12288:+Iny5DYTmWt5+SVktzn8ZjYvNuZX0YEazwM51MG3rDS4:gUTmWezn8+sZXMaXzf
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 3280 installd.exe 4688 nethtsrv.exe 3748 netupdsrv.exe 2960 nethtsrv.exe 4020 netupdsrv.exe -
Loads dropped DLL 14 IoCs
Processes:
a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exeinstalld.exenethtsrv.exenethtsrv.exepid process 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe 3280 installd.exe 4688 nethtsrv.exe 4688 nethtsrv.exe 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe 2960 nethtsrv.exe 2960 nethtsrv.exe 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.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:
a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exedescription ioc process File created C:\Windows\SysWOW64\installd.exe a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe File created C:\Windows\SysWOW64\nethtsrv.exe a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe File created C:\Windows\SysWOW64\netupdsrv.exe a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe File created C:\Windows\SysWOW64\hfnapi.dll a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe File created C:\Windows\SysWOW64\hfpapi.dll a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe -
Drops file in Program Files directory 3 IoCs
Processes:
a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.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 2960 nethtsrv.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exenet.exenet.exenet.exenet.exedescription pid process target process PID 3448 wrote to memory of 1124 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe net.exe PID 3448 wrote to memory of 1124 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe net.exe PID 3448 wrote to memory of 1124 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe net.exe PID 1124 wrote to memory of 2748 1124 net.exe net1.exe PID 1124 wrote to memory of 2748 1124 net.exe net1.exe PID 1124 wrote to memory of 2748 1124 net.exe net1.exe PID 3448 wrote to memory of 4780 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe net.exe PID 3448 wrote to memory of 4780 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe net.exe PID 3448 wrote to memory of 4780 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe net.exe PID 4780 wrote to memory of 3596 4780 net.exe net1.exe PID 4780 wrote to memory of 3596 4780 net.exe net1.exe PID 4780 wrote to memory of 3596 4780 net.exe net1.exe PID 3448 wrote to memory of 3280 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe installd.exe PID 3448 wrote to memory of 3280 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe installd.exe PID 3448 wrote to memory of 3280 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe installd.exe PID 3448 wrote to memory of 4688 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe nethtsrv.exe PID 3448 wrote to memory of 4688 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe nethtsrv.exe PID 3448 wrote to memory of 4688 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe nethtsrv.exe PID 3448 wrote to memory of 3748 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe netupdsrv.exe PID 3448 wrote to memory of 3748 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe netupdsrv.exe PID 3448 wrote to memory of 3748 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe netupdsrv.exe PID 3448 wrote to memory of 3680 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe net.exe PID 3448 wrote to memory of 3680 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe net.exe PID 3448 wrote to memory of 3680 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe net.exe PID 3680 wrote to memory of 4312 3680 net.exe net1.exe PID 3680 wrote to memory of 4312 3680 net.exe net1.exe PID 3680 wrote to memory of 4312 3680 net.exe net1.exe PID 3448 wrote to memory of 4008 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe net.exe PID 3448 wrote to memory of 4008 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe net.exe PID 3448 wrote to memory of 4008 3448 a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe net.exe PID 4008 wrote to memory of 4848 4008 net.exe net1.exe PID 4008 wrote to memory of 4848 4008 net.exe net1.exe PID 4008 wrote to memory of 4848 4008 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.exe"C:\Users\Admin\AppData\Local\Temp\a1394e2afacb13927311c476a693c470db3b690d31b74b4abab757788aa4faa8.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:3448 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:2748
-
C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:4780 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:3596
-
C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3280 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4688 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:3748 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:3680 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:4312
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:4008 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:4848
-
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:2960
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:4020
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
MD5a764473241290d19c5b407b584c7758c
SHA1be960d5f906552c615c638d35afeb0f063437b07
SHA2565120b7871688d3d7c076f8de71d3f71a8001d9e56029adaec14c5b268338cbd0
SHA512b7be8511d0c8a90a5066491be44c804e2e11b59950d1813374a6e1ac88edadfca4237cca70c5cbb1a7d3cd920d131735bebc8e27f53a4f28fb500dae671b83ab
-
Filesize
106KB
MD5a764473241290d19c5b407b584c7758c
SHA1be960d5f906552c615c638d35afeb0f063437b07
SHA2565120b7871688d3d7c076f8de71d3f71a8001d9e56029adaec14c5b268338cbd0
SHA512b7be8511d0c8a90a5066491be44c804e2e11b59950d1813374a6e1ac88edadfca4237cca70c5cbb1a7d3cd920d131735bebc8e27f53a4f28fb500dae671b83ab
-
Filesize
106KB
MD5a764473241290d19c5b407b584c7758c
SHA1be960d5f906552c615c638d35afeb0f063437b07
SHA2565120b7871688d3d7c076f8de71d3f71a8001d9e56029adaec14c5b268338cbd0
SHA512b7be8511d0c8a90a5066491be44c804e2e11b59950d1813374a6e1ac88edadfca4237cca70c5cbb1a7d3cd920d131735bebc8e27f53a4f28fb500dae671b83ab
-
Filesize
106KB
MD5a764473241290d19c5b407b584c7758c
SHA1be960d5f906552c615c638d35afeb0f063437b07
SHA2565120b7871688d3d7c076f8de71d3f71a8001d9e56029adaec14c5b268338cbd0
SHA512b7be8511d0c8a90a5066491be44c804e2e11b59950d1813374a6e1ac88edadfca4237cca70c5cbb1a7d3cd920d131735bebc8e27f53a4f28fb500dae671b83ab
-
Filesize
241KB
MD528e5e5e2e845d3ea24d58adade21c2c2
SHA1366cd5b537fe539be9282f4c2b1ac705280bbb42
SHA2561a353a96f7a9807b767197940da405b15bd0b4da51828c6a92a09ab000711a35
SHA512a8d79a0a50a375f971c75098c968f3baac8ef69553ffae980567bd984b2152daf85c20c498f4de37715e50459458af685e15cfddfd0e5cef195b2500356af269
-
Filesize
241KB
MD528e5e5e2e845d3ea24d58adade21c2c2
SHA1366cd5b537fe539be9282f4c2b1ac705280bbb42
SHA2561a353a96f7a9807b767197940da405b15bd0b4da51828c6a92a09ab000711a35
SHA512a8d79a0a50a375f971c75098c968f3baac8ef69553ffae980567bd984b2152daf85c20c498f4de37715e50459458af685e15cfddfd0e5cef195b2500356af269
-
Filesize
241KB
MD528e5e5e2e845d3ea24d58adade21c2c2
SHA1366cd5b537fe539be9282f4c2b1ac705280bbb42
SHA2561a353a96f7a9807b767197940da405b15bd0b4da51828c6a92a09ab000711a35
SHA512a8d79a0a50a375f971c75098c968f3baac8ef69553ffae980567bd984b2152daf85c20c498f4de37715e50459458af685e15cfddfd0e5cef195b2500356af269
-
Filesize
108KB
MD5a5705ace2cb84ac8f63e5c31846599f6
SHA12e0f4ba64cc692bca26f27ec54f90e1bd4c604fe
SHA2564367f03c7cff315e9e5931c59e20f728aebde2a242bd23d3e28198dd7de498f4
SHA512034ec24c142a17fa376168bd89af888f7aa0ca82e92965b76595d9df93bf6d2836aa726d4b88a0c5544d9f50cc0cc2de2f113813443effb4afe453c900a96a3c
-
Filesize
108KB
MD5a5705ace2cb84ac8f63e5c31846599f6
SHA12e0f4ba64cc692bca26f27ec54f90e1bd4c604fe
SHA2564367f03c7cff315e9e5931c59e20f728aebde2a242bd23d3e28198dd7de498f4
SHA512034ec24c142a17fa376168bd89af888f7aa0ca82e92965b76595d9df93bf6d2836aa726d4b88a0c5544d9f50cc0cc2de2f113813443effb4afe453c900a96a3c
-
Filesize
176KB
MD585ad84cd25de97c5154374d9dc95c1a3
SHA1ec11a1ce2b7937869b96d1dde921f65216c78690
SHA25610ab53747a8b8f4f75b0fbb8e786553175c6b1a8cf5386e92b039c0c8615c24c
SHA5128db0fd77b801719aa047fe6fc165bed7b143d4ab8f0f3b73ae3490d03929b88c5547c2dfd2c68f6b5bb78d5fb185a4458393d119d20b25e71299d2ea981fbaca
-
Filesize
176KB
MD585ad84cd25de97c5154374d9dc95c1a3
SHA1ec11a1ce2b7937869b96d1dde921f65216c78690
SHA25610ab53747a8b8f4f75b0fbb8e786553175c6b1a8cf5386e92b039c0c8615c24c
SHA5128db0fd77b801719aa047fe6fc165bed7b143d4ab8f0f3b73ae3490d03929b88c5547c2dfd2c68f6b5bb78d5fb185a4458393d119d20b25e71299d2ea981fbaca
-
Filesize
176KB
MD585ad84cd25de97c5154374d9dc95c1a3
SHA1ec11a1ce2b7937869b96d1dde921f65216c78690
SHA25610ab53747a8b8f4f75b0fbb8e786553175c6b1a8cf5386e92b039c0c8615c24c
SHA5128db0fd77b801719aa047fe6fc165bed7b143d4ab8f0f3b73ae3490d03929b88c5547c2dfd2c68f6b5bb78d5fb185a4458393d119d20b25e71299d2ea981fbaca
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Filesize
159KB
MD5ac46fec9898f9f992dcc0aa99bf4fb56
SHA1c3445a39e49e69d05c2d4218c3ae262b68736ac5
SHA2561c6f574fb420a114f4fc53256b69a1c50ddedf7c49962af34e10664930ec0b92
SHA512acb32488f96c650d361e5cffae459f720cc42652697741ad3e124175f0acf331fb23207a51827f20ddefc395fee87b648f40f07b3a139bf8744e2d17f7c12614
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Filesize
159KB
MD5ac46fec9898f9f992dcc0aa99bf4fb56
SHA1c3445a39e49e69d05c2d4218c3ae262b68736ac5
SHA2561c6f574fb420a114f4fc53256b69a1c50ddedf7c49962af34e10664930ec0b92
SHA512acb32488f96c650d361e5cffae459f720cc42652697741ad3e124175f0acf331fb23207a51827f20ddefc395fee87b648f40f07b3a139bf8744e2d17f7c12614
-
Filesize
159KB
MD5ac46fec9898f9f992dcc0aa99bf4fb56
SHA1c3445a39e49e69d05c2d4218c3ae262b68736ac5
SHA2561c6f574fb420a114f4fc53256b69a1c50ddedf7c49962af34e10664930ec0b92
SHA512acb32488f96c650d361e5cffae459f720cc42652697741ad3e124175f0acf331fb23207a51827f20ddefc395fee87b648f40f07b3a139bf8744e2d17f7c12614