Analysis
-
max time kernel
35s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 10:29
Static task
static1
Behavioral task
behavioral1
Sample
3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe
Resource
win10v2004-20220812-en
General
-
Target
3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe
-
Size
603KB
-
MD5
cd4c96872eeb5b0a884f4a33f1be09a9
-
SHA1
c276892a7a9d4530bc39717a8aa26c06dd039aab
-
SHA256
3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb
-
SHA512
9d259aec6163d108c971d12b635a44e976c826615354ab0ef1757afbcafcbb40b9f1938ac0109e4a7d47779c033323542dc8df7f5abe97658a335ee045fcd683
-
SSDEEP
12288:dIny5DYTQIrHqjaXUT3cC8FJuFd3Z2lnL0/Liil+OGhR:JUTQAmOoD8Fqd3Z2K+T
Malware Config
Signatures
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Drops file in Drivers directory 1 IoCs
Processes:
3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 1468 installd.exe 524 nethtsrv.exe 1068 netupdsrv.exe 112 nethtsrv.exe 988 netupdsrv.exe -
Loads dropped DLL 13 IoCs
Processes:
3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exeinstalld.exenethtsrv.exenethtsrv.exepid process 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe 1468 installd.exe 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe 524 nethtsrv.exe 524 nethtsrv.exe 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe 112 nethtsrv.exe 112 nethtsrv.exe 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.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:
3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exedescription ioc process File created C:\Windows\SysWOW64\hfnapi.dll 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe File created C:\Windows\SysWOW64\hfpapi.dll 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe File created C:\Windows\SysWOW64\installd.exe 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe File created C:\Windows\SysWOW64\nethtsrv.exe 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe File created C:\Windows\SysWOW64\netupdsrv.exe 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe -
Drops file in Program Files directory 3 IoCs
Processes:
3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Runs net.exe
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Suspicious behavior: LoadsDriver 1 IoCs
Processes:
pid process 464 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 112 nethtsrv.exe -
Suspicious use of WriteProcessMemory 50 IoCs
Processes:
3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exenet.exenet.exenet.exenet.exedescription pid process target process PID 1808 wrote to memory of 892 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 1808 wrote to memory of 892 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 1808 wrote to memory of 892 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 1808 wrote to memory of 892 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 892 wrote to memory of 1604 892 net.exe net1.exe PID 892 wrote to memory of 1604 892 net.exe net1.exe PID 892 wrote to memory of 1604 892 net.exe net1.exe PID 892 wrote to memory of 1604 892 net.exe net1.exe PID 1808 wrote to memory of 848 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 1808 wrote to memory of 848 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 1808 wrote to memory of 848 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 1808 wrote to memory of 848 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 848 wrote to memory of 1548 848 net.exe net1.exe PID 848 wrote to memory of 1548 848 net.exe net1.exe PID 848 wrote to memory of 1548 848 net.exe net1.exe PID 848 wrote to memory of 1548 848 net.exe net1.exe PID 1808 wrote to memory of 1468 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe installd.exe PID 1808 wrote to memory of 1468 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe installd.exe PID 1808 wrote to memory of 1468 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe installd.exe PID 1808 wrote to memory of 1468 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe installd.exe PID 1808 wrote to memory of 1468 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe installd.exe PID 1808 wrote to memory of 1468 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe installd.exe PID 1808 wrote to memory of 1468 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe installd.exe PID 1808 wrote to memory of 524 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe nethtsrv.exe PID 1808 wrote to memory of 524 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe nethtsrv.exe PID 1808 wrote to memory of 524 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe nethtsrv.exe PID 1808 wrote to memory of 524 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe nethtsrv.exe PID 1808 wrote to memory of 1068 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe netupdsrv.exe PID 1808 wrote to memory of 1068 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe netupdsrv.exe PID 1808 wrote to memory of 1068 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe netupdsrv.exe PID 1808 wrote to memory of 1068 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe netupdsrv.exe PID 1808 wrote to memory of 1068 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe netupdsrv.exe PID 1808 wrote to memory of 1068 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe netupdsrv.exe PID 1808 wrote to memory of 1068 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe netupdsrv.exe PID 1808 wrote to memory of 1712 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 1808 wrote to memory of 1712 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 1808 wrote to memory of 1712 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 1808 wrote to memory of 1712 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 1712 wrote to memory of 268 1712 net.exe net1.exe PID 1712 wrote to memory of 268 1712 net.exe net1.exe PID 1712 wrote to memory of 268 1712 net.exe net1.exe PID 1712 wrote to memory of 268 1712 net.exe net1.exe PID 1808 wrote to memory of 1524 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 1808 wrote to memory of 1524 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 1808 wrote to memory of 1524 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 1808 wrote to memory of 1524 1808 3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe net.exe PID 1524 wrote to memory of 1472 1524 net.exe net1.exe PID 1524 wrote to memory of 1472 1524 net.exe net1.exe PID 1524 wrote to memory of 1472 1524 net.exe net1.exe PID 1524 wrote to memory of 1472 1524 net.exe net1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.exe"C:\Users\Admin\AppData\Local\Temp\3308be9dee4dc535e55842af345c864be80a37da0439de44ec75bee535d991eb.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:1808 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:892 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:1604
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C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:1548
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C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1468 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:524 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:1068 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:268
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C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:1472
-
C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:112
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:988
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
106KB
MD51aebceac522bf4451687910b8c7e57e6
SHA130d7f573880b86169b849c2a5a6853c5271b4f51
SHA2567a2ff9a71721d50382260db1f355cd1e076b26c301fddcdd768ea60a8420816b
SHA5121986e21b8408dfb5b02020b63cc9570fd221c4d7b41e2a6aff6660bf61adf2cb82ab8a48e0fc22d296d12e702773d5198b8ae6b0403ebf22266ea1c9e3e7aa74
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Filesize
244KB
MD58ae6aa8388074fa431fee8215230a40e
SHA12f50022d1f831b07522c1315cffd2a8d8afca093
SHA25673a722a2f8bb45f865b951fd0cabc9099ce1c08d653d66391b3420e99de11c36
SHA5129c0d07efac09a3f26507660d6382b768f26858f11375ce628f332dfaaa1c0bc6dd8fd14c78a65a5e273fbb6809f6d5ce1da45ab1a3ebba7c1ab4176e4b0f4698
-
Filesize
108KB
MD5688135e9d3bc54131d7425671840bb6a
SHA1b9c2a862143a49e9fef4dfe6b03c2145e2a80f6b
SHA2561a3e4f3e37c2d3912e5ccf9a8a2476abb35113863117f738c566847d28a29278
SHA51202f60f37787c61ede93cc98865c95483b14f2b2d9483aff0f988d68736a2b919f61bca351e13ab8d20c401a8c187607494950c41f1a3f54753e20b71b3affca3
-
Filesize
176KB
MD5e227ddf9431e1d282e8ef8235f5e2173
SHA157271d81790d0f87a10160fdf80cf0b1f33997ac
SHA2562ec5d362ec15a204d0a346f5fb6fcb2b16545daee6f643741e4832c86a72823c
SHA512e849b33fe6a977e15fb8c20fce71234fa1ce7bfde65f3d51d8c5061255831f19ef477aec54698e126a17eb478a2975f4dd329ad085a0573ee3d6ea1e98ac4fe6
-
Filesize
176KB
MD5e227ddf9431e1d282e8ef8235f5e2173
SHA157271d81790d0f87a10160fdf80cf0b1f33997ac
SHA2562ec5d362ec15a204d0a346f5fb6fcb2b16545daee6f643741e4832c86a72823c
SHA512e849b33fe6a977e15fb8c20fce71234fa1ce7bfde65f3d51d8c5061255831f19ef477aec54698e126a17eb478a2975f4dd329ad085a0573ee3d6ea1e98ac4fe6
-
Filesize
158KB
MD5d9b8cdb2329db421129d3a1a55916d0b
SHA1a3c713bfda76c0339e59b03e221c410db4e3e667
SHA2565db565a79d1b25f20a4d695597b58f4d686aefa1615dfa5a87323d7d234e0e65
SHA512d685201b5797c8400834509ba33a5d54cd8fd71dc2f0c255328b07b0de217c43ee8a5640e4553fe8229f6efaf2815ab23b841f42bda6d6072708a49c53973400
-
Filesize
158KB
MD5d9b8cdb2329db421129d3a1a55916d0b
SHA1a3c713bfda76c0339e59b03e221c410db4e3e667
SHA2565db565a79d1b25f20a4d695597b58f4d686aefa1615dfa5a87323d7d234e0e65
SHA512d685201b5797c8400834509ba33a5d54cd8fd71dc2f0c255328b07b0de217c43ee8a5640e4553fe8229f6efaf2815ab23b841f42bda6d6072708a49c53973400
-
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
106KB
MD51aebceac522bf4451687910b8c7e57e6
SHA130d7f573880b86169b849c2a5a6853c5271b4f51
SHA2567a2ff9a71721d50382260db1f355cd1e076b26c301fddcdd768ea60a8420816b
SHA5121986e21b8408dfb5b02020b63cc9570fd221c4d7b41e2a6aff6660bf61adf2cb82ab8a48e0fc22d296d12e702773d5198b8ae6b0403ebf22266ea1c9e3e7aa74
-
Filesize
106KB
MD51aebceac522bf4451687910b8c7e57e6
SHA130d7f573880b86169b849c2a5a6853c5271b4f51
SHA2567a2ff9a71721d50382260db1f355cd1e076b26c301fddcdd768ea60a8420816b
SHA5121986e21b8408dfb5b02020b63cc9570fd221c4d7b41e2a6aff6660bf61adf2cb82ab8a48e0fc22d296d12e702773d5198b8ae6b0403ebf22266ea1c9e3e7aa74
-
Filesize
106KB
MD51aebceac522bf4451687910b8c7e57e6
SHA130d7f573880b86169b849c2a5a6853c5271b4f51
SHA2567a2ff9a71721d50382260db1f355cd1e076b26c301fddcdd768ea60a8420816b
SHA5121986e21b8408dfb5b02020b63cc9570fd221c4d7b41e2a6aff6660bf61adf2cb82ab8a48e0fc22d296d12e702773d5198b8ae6b0403ebf22266ea1c9e3e7aa74
-
Filesize
244KB
MD58ae6aa8388074fa431fee8215230a40e
SHA12f50022d1f831b07522c1315cffd2a8d8afca093
SHA25673a722a2f8bb45f865b951fd0cabc9099ce1c08d653d66391b3420e99de11c36
SHA5129c0d07efac09a3f26507660d6382b768f26858f11375ce628f332dfaaa1c0bc6dd8fd14c78a65a5e273fbb6809f6d5ce1da45ab1a3ebba7c1ab4176e4b0f4698
-
Filesize
244KB
MD58ae6aa8388074fa431fee8215230a40e
SHA12f50022d1f831b07522c1315cffd2a8d8afca093
SHA25673a722a2f8bb45f865b951fd0cabc9099ce1c08d653d66391b3420e99de11c36
SHA5129c0d07efac09a3f26507660d6382b768f26858f11375ce628f332dfaaa1c0bc6dd8fd14c78a65a5e273fbb6809f6d5ce1da45ab1a3ebba7c1ab4176e4b0f4698
-
Filesize
108KB
MD5688135e9d3bc54131d7425671840bb6a
SHA1b9c2a862143a49e9fef4dfe6b03c2145e2a80f6b
SHA2561a3e4f3e37c2d3912e5ccf9a8a2476abb35113863117f738c566847d28a29278
SHA51202f60f37787c61ede93cc98865c95483b14f2b2d9483aff0f988d68736a2b919f61bca351e13ab8d20c401a8c187607494950c41f1a3f54753e20b71b3affca3
-
Filesize
176KB
MD5e227ddf9431e1d282e8ef8235f5e2173
SHA157271d81790d0f87a10160fdf80cf0b1f33997ac
SHA2562ec5d362ec15a204d0a346f5fb6fcb2b16545daee6f643741e4832c86a72823c
SHA512e849b33fe6a977e15fb8c20fce71234fa1ce7bfde65f3d51d8c5061255831f19ef477aec54698e126a17eb478a2975f4dd329ad085a0573ee3d6ea1e98ac4fe6
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Filesize
158KB
MD5d9b8cdb2329db421129d3a1a55916d0b
SHA1a3c713bfda76c0339e59b03e221c410db4e3e667
SHA2565db565a79d1b25f20a4d695597b58f4d686aefa1615dfa5a87323d7d234e0e65
SHA512d685201b5797c8400834509ba33a5d54cd8fd71dc2f0c255328b07b0de217c43ee8a5640e4553fe8229f6efaf2815ab23b841f42bda6d6072708a49c53973400