Analysis
-
max time kernel
68s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 10:20
Static task
static1
Behavioral task
behavioral1
Sample
85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe
Resource
win10v2004-20221111-en
General
-
Target
85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe
-
Size
602KB
-
MD5
191865d7efa54f6f7111034c8d02f158
-
SHA1
120a6ac60b8f27ded8aae9801a9a84075de5e161
-
SHA256
85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e
-
SHA512
142440b9f869ab38423cd34ea7a8c723be8e99dbb21dac421c8beeb169a962da6c87ecccdb3f712afeb02525a7f52bb5bda592ac1e9983a138ad1f06fc969950
-
SSDEEP
12288:xIny5DYTkI0/iy8ZDUBp3rFFVI4mBd5uEihs4+K7Dt+Z+5UKWk6Wgo:NUTkv/OZDUfbmCWWWO7lx
Malware Config
Signatures
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Drops file in Drivers directory 1 IoCs
Processes:
85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 588 installd.exe 756 nethtsrv.exe 1664 netupdsrv.exe 1956 nethtsrv.exe 1572 netupdsrv.exe -
Loads dropped DLL 13 IoCs
Processes:
85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exeinstalld.exenethtsrv.exenethtsrv.exepid process 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe 588 installd.exe 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe 756 nethtsrv.exe 756 nethtsrv.exe 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe 1956 nethtsrv.exe 1956 nethtsrv.exe 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.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:
85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exedescription ioc process File created C:\Windows\SysWOW64\nethtsrv.exe 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe File created C:\Windows\SysWOW64\netupdsrv.exe 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe File created C:\Windows\SysWOW64\hfnapi.dll 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe File created C:\Windows\SysWOW64\hfpapi.dll 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe File created C:\Windows\SysWOW64\installd.exe 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe -
Drops file in Program Files directory 3 IoCs
Processes:
85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Runs net.exe
-
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
pid process 464 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 1956 nethtsrv.exe -
Suspicious use of WriteProcessMemory 50 IoCs
Processes:
85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exenet.exenet.exenet.exenet.exedescription pid process target process PID 1396 wrote to memory of 1188 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 1396 wrote to memory of 1188 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 1396 wrote to memory of 1188 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 1396 wrote to memory of 1188 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 1188 wrote to memory of 872 1188 net.exe net1.exe PID 1188 wrote to memory of 872 1188 net.exe net1.exe PID 1188 wrote to memory of 872 1188 net.exe net1.exe PID 1188 wrote to memory of 872 1188 net.exe net1.exe PID 1396 wrote to memory of 524 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 1396 wrote to memory of 524 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 1396 wrote to memory of 524 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 1396 wrote to memory of 524 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 524 wrote to memory of 1480 524 net.exe net1.exe PID 524 wrote to memory of 1480 524 net.exe net1.exe PID 524 wrote to memory of 1480 524 net.exe net1.exe PID 524 wrote to memory of 1480 524 net.exe net1.exe PID 1396 wrote to memory of 588 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe installd.exe PID 1396 wrote to memory of 588 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe installd.exe PID 1396 wrote to memory of 588 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe installd.exe PID 1396 wrote to memory of 588 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe installd.exe PID 1396 wrote to memory of 588 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe installd.exe PID 1396 wrote to memory of 588 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe installd.exe PID 1396 wrote to memory of 588 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe installd.exe PID 1396 wrote to memory of 756 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe nethtsrv.exe PID 1396 wrote to memory of 756 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe nethtsrv.exe PID 1396 wrote to memory of 756 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe nethtsrv.exe PID 1396 wrote to memory of 756 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe nethtsrv.exe PID 1396 wrote to memory of 1664 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe netupdsrv.exe PID 1396 wrote to memory of 1664 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe netupdsrv.exe PID 1396 wrote to memory of 1664 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe netupdsrv.exe PID 1396 wrote to memory of 1664 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe netupdsrv.exe PID 1396 wrote to memory of 1664 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe netupdsrv.exe PID 1396 wrote to memory of 1664 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe netupdsrv.exe PID 1396 wrote to memory of 1664 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe netupdsrv.exe PID 1396 wrote to memory of 1892 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 1396 wrote to memory of 1892 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 1396 wrote to memory of 1892 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 1396 wrote to memory of 1892 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 1892 wrote to memory of 1576 1892 net.exe net1.exe PID 1892 wrote to memory of 1576 1892 net.exe net1.exe PID 1892 wrote to memory of 1576 1892 net.exe net1.exe PID 1892 wrote to memory of 1576 1892 net.exe net1.exe PID 1396 wrote to memory of 2044 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 1396 wrote to memory of 2044 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 1396 wrote to memory of 2044 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 1396 wrote to memory of 2044 1396 85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe net.exe PID 2044 wrote to memory of 956 2044 net.exe net1.exe PID 2044 wrote to memory of 956 2044 net.exe net1.exe PID 2044 wrote to memory of 956 2044 net.exe net1.exe PID 2044 wrote to memory of 956 2044 net.exe net1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.exe"C:\Users\Admin\AppData\Local\Temp\85208dd3767cfa41cd2474b272e4c27cdfc011845526918c621d205558c4410e.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:1396 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1188 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:872
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C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:524 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:1480
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C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:588 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:756 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:1664 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:1576
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C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:956
-
C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:1956
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:1572
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
106KB
MD5f9c82990865146ba2cb142b4f80c6f82
SHA12e8099e820f31d427a8c566ddd4c07a831cb7cc9
SHA2561db971ccd0c106900544f89bf9905dda21ebbd8580e40fc0282a906d8492bca6
SHA512aec291bbdfee471afb33cfb4c02f39cbe7b4d922dce8e4675560d8dfd9936b487168d5b96fbedc5f30d80e3c86cf6766b88fefa1488629e26955597e8f65b9f5
-
Filesize
244KB
MD5fdab520c9ad9ae0446da4fdb7aecadc1
SHA10d01196cb30be94989abc007daf6b3bdf9bd17b0
SHA2568ef5cd8af302553c9569e63aa9f5d88624ac2782074959720b7dd90a221084ea
SHA512a5133d3b84bdf6225547334996e62e1babcb3869ea0aa640ee779e71168971cdd2392557d8caf766a2ced51c5fa075750580ead04941c73c9d4d83921d1ffca8
-
Filesize
108KB
MD58328a807594f06583c99a257a2176ac6
SHA1489d43598dc8d71bb301b88f4df751f8b0e45dc6
SHA256411c7357e86702f32457f97b24e1b1b662ac50e7714ac4d65b6a708f2c619633
SHA512054352991830f43713ee912a7fbaea4b69885d386dec21dda908e8d5f1d709dca06859b1f6211d26213bfc2380e7dfcbf33629d4f97c32acd4bc53e9f12f2982
-
Filesize
176KB
MD563da941f50567b2f48f1db56667723d3
SHA1d7d3b960d4d62ca6e44c6b6b300aa9ed2f8c4839
SHA2564fe06c9a13d700dc2eda5393e7065493e853da255c47b83a543404a27bfa967f
SHA512d45f48c4eb7c4dcae682e5db48d31c3a8f2890cba5338eefb9106ea6d23cce53463594023b9cbe9c09607941756d7360e927ac9248074445ad70ffdd5db20cda
-
Filesize
176KB
MD563da941f50567b2f48f1db56667723d3
SHA1d7d3b960d4d62ca6e44c6b6b300aa9ed2f8c4839
SHA2564fe06c9a13d700dc2eda5393e7065493e853da255c47b83a543404a27bfa967f
SHA512d45f48c4eb7c4dcae682e5db48d31c3a8f2890cba5338eefb9106ea6d23cce53463594023b9cbe9c09607941756d7360e927ac9248074445ad70ffdd5db20cda
-
Filesize
158KB
MD5311229abf7c6e004839338fb60b416eb
SHA1c553115d919f200bab32596dba2570fceca6fdd8
SHA256ec220974db4905bc7cf0ea8850b4c71c1d7fa6f77c53324dcd5599430d1ea5c1
SHA5126f0039a8b9915fb1942ace43a62d0987b4c0ccf59b5149521f6410118cd2adcb3105293f44e8cd9db63de0824150dd91a0ab59cdebde42f05c8793d491984ba6
-
Filesize
158KB
MD5311229abf7c6e004839338fb60b416eb
SHA1c553115d919f200bab32596dba2570fceca6fdd8
SHA256ec220974db4905bc7cf0ea8850b4c71c1d7fa6f77c53324dcd5599430d1ea5c1
SHA5126f0039a8b9915fb1942ace43a62d0987b4c0ccf59b5149521f6410118cd2adcb3105293f44e8cd9db63de0824150dd91a0ab59cdebde42f05c8793d491984ba6
-
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
MD5f9c82990865146ba2cb142b4f80c6f82
SHA12e8099e820f31d427a8c566ddd4c07a831cb7cc9
SHA2561db971ccd0c106900544f89bf9905dda21ebbd8580e40fc0282a906d8492bca6
SHA512aec291bbdfee471afb33cfb4c02f39cbe7b4d922dce8e4675560d8dfd9936b487168d5b96fbedc5f30d80e3c86cf6766b88fefa1488629e26955597e8f65b9f5
-
Filesize
106KB
MD5f9c82990865146ba2cb142b4f80c6f82
SHA12e8099e820f31d427a8c566ddd4c07a831cb7cc9
SHA2561db971ccd0c106900544f89bf9905dda21ebbd8580e40fc0282a906d8492bca6
SHA512aec291bbdfee471afb33cfb4c02f39cbe7b4d922dce8e4675560d8dfd9936b487168d5b96fbedc5f30d80e3c86cf6766b88fefa1488629e26955597e8f65b9f5
-
Filesize
106KB
MD5f9c82990865146ba2cb142b4f80c6f82
SHA12e8099e820f31d427a8c566ddd4c07a831cb7cc9
SHA2561db971ccd0c106900544f89bf9905dda21ebbd8580e40fc0282a906d8492bca6
SHA512aec291bbdfee471afb33cfb4c02f39cbe7b4d922dce8e4675560d8dfd9936b487168d5b96fbedc5f30d80e3c86cf6766b88fefa1488629e26955597e8f65b9f5
-
Filesize
244KB
MD5fdab520c9ad9ae0446da4fdb7aecadc1
SHA10d01196cb30be94989abc007daf6b3bdf9bd17b0
SHA2568ef5cd8af302553c9569e63aa9f5d88624ac2782074959720b7dd90a221084ea
SHA512a5133d3b84bdf6225547334996e62e1babcb3869ea0aa640ee779e71168971cdd2392557d8caf766a2ced51c5fa075750580ead04941c73c9d4d83921d1ffca8
-
Filesize
244KB
MD5fdab520c9ad9ae0446da4fdb7aecadc1
SHA10d01196cb30be94989abc007daf6b3bdf9bd17b0
SHA2568ef5cd8af302553c9569e63aa9f5d88624ac2782074959720b7dd90a221084ea
SHA512a5133d3b84bdf6225547334996e62e1babcb3869ea0aa640ee779e71168971cdd2392557d8caf766a2ced51c5fa075750580ead04941c73c9d4d83921d1ffca8
-
Filesize
108KB
MD58328a807594f06583c99a257a2176ac6
SHA1489d43598dc8d71bb301b88f4df751f8b0e45dc6
SHA256411c7357e86702f32457f97b24e1b1b662ac50e7714ac4d65b6a708f2c619633
SHA512054352991830f43713ee912a7fbaea4b69885d386dec21dda908e8d5f1d709dca06859b1f6211d26213bfc2380e7dfcbf33629d4f97c32acd4bc53e9f12f2982
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Filesize
176KB
MD563da941f50567b2f48f1db56667723d3
SHA1d7d3b960d4d62ca6e44c6b6b300aa9ed2f8c4839
SHA2564fe06c9a13d700dc2eda5393e7065493e853da255c47b83a543404a27bfa967f
SHA512d45f48c4eb7c4dcae682e5db48d31c3a8f2890cba5338eefb9106ea6d23cce53463594023b9cbe9c09607941756d7360e927ac9248074445ad70ffdd5db20cda
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Filesize
158KB
MD5311229abf7c6e004839338fb60b416eb
SHA1c553115d919f200bab32596dba2570fceca6fdd8
SHA256ec220974db4905bc7cf0ea8850b4c71c1d7fa6f77c53324dcd5599430d1ea5c1
SHA5126f0039a8b9915fb1942ace43a62d0987b4c0ccf59b5149521f6410118cd2adcb3105293f44e8cd9db63de0824150dd91a0ab59cdebde42f05c8793d491984ba6