Analysis
-
max time kernel
42s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 10:28
Static task
static1
Behavioral task
behavioral1
Sample
40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe
Resource
win10v2004-20220812-en
General
-
Target
40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe
-
Size
602KB
-
MD5
9d090143a385773770a118f8fb21d727
-
SHA1
ae0d0a7c5cea8274c1d77ea5ba73e21f9f2b1b66
-
SHA256
40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94
-
SHA512
6d69d8f227b603fbde651a1008c5e9bd80adab988668cd8c56e54d01ceb398f4cc4c09c1092e0b9a6cbf4aa8b74bc06ceb2afa3862aa9c51c20ae8cf9f47d4be
-
SSDEEP
12288:QIny5DYTNuqVSNG2vOOwxTho5AbbzbArKTo8a9T317TbQUtLUUh:uUTrVSNLOOD6bncrKTNa9hPHtgU
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 1412 installd.exe 580 nethtsrv.exe 1748 netupdsrv.exe 1672 nethtsrv.exe 1988 netupdsrv.exe -
Loads dropped DLL 13 IoCs
Processes:
40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exeinstalld.exenethtsrv.exenethtsrv.exepid process 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe 1412 installd.exe 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe 580 nethtsrv.exe 580 nethtsrv.exe 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe 1672 nethtsrv.exe 1672 nethtsrv.exe 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.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:
40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exedescription ioc process File created C:\Windows\SysWOW64\hfnapi.dll 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe File created C:\Windows\SysWOW64\hfpapi.dll 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe File created C:\Windows\SysWOW64\installd.exe 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe File created C:\Windows\SysWOW64\nethtsrv.exe 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe File created C:\Windows\SysWOW64\netupdsrv.exe 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe -
Drops file in Program Files directory 3 IoCs
Processes:
40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.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 460 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 1672 nethtsrv.exe -
Suspicious use of WriteProcessMemory 50 IoCs
Processes:
40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exenet.exenet.exenet.exenet.exedescription pid process target process PID 1688 wrote to memory of 916 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1688 wrote to memory of 916 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1688 wrote to memory of 916 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1688 wrote to memory of 916 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 916 wrote to memory of 1552 916 net.exe net1.exe PID 916 wrote to memory of 1552 916 net.exe net1.exe PID 916 wrote to memory of 1552 916 net.exe net1.exe PID 916 wrote to memory of 1552 916 net.exe net1.exe PID 1688 wrote to memory of 1556 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1688 wrote to memory of 1556 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1688 wrote to memory of 1556 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1688 wrote to memory of 1556 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1556 wrote to memory of 1416 1556 net.exe net1.exe PID 1556 wrote to memory of 1416 1556 net.exe net1.exe PID 1556 wrote to memory of 1416 1556 net.exe net1.exe PID 1556 wrote to memory of 1416 1556 net.exe net1.exe PID 1688 wrote to memory of 1412 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe installd.exe PID 1688 wrote to memory of 1412 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe installd.exe PID 1688 wrote to memory of 1412 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe installd.exe PID 1688 wrote to memory of 1412 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe installd.exe PID 1688 wrote to memory of 1412 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe installd.exe PID 1688 wrote to memory of 1412 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe installd.exe PID 1688 wrote to memory of 1412 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe installd.exe PID 1688 wrote to memory of 580 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe nethtsrv.exe PID 1688 wrote to memory of 580 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe nethtsrv.exe PID 1688 wrote to memory of 580 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe nethtsrv.exe PID 1688 wrote to memory of 580 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe nethtsrv.exe PID 1688 wrote to memory of 1748 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe netupdsrv.exe PID 1688 wrote to memory of 1748 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe netupdsrv.exe PID 1688 wrote to memory of 1748 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe netupdsrv.exe PID 1688 wrote to memory of 1748 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe netupdsrv.exe PID 1688 wrote to memory of 1748 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe netupdsrv.exe PID 1688 wrote to memory of 1748 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe netupdsrv.exe PID 1688 wrote to memory of 1748 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe netupdsrv.exe PID 1688 wrote to memory of 1904 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1688 wrote to memory of 1904 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1688 wrote to memory of 1904 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1688 wrote to memory of 1904 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1904 wrote to memory of 540 1904 net.exe net1.exe PID 1904 wrote to memory of 540 1904 net.exe net1.exe PID 1904 wrote to memory of 540 1904 net.exe net1.exe PID 1904 wrote to memory of 540 1904 net.exe net1.exe PID 1688 wrote to memory of 1184 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1688 wrote to memory of 1184 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1688 wrote to memory of 1184 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1688 wrote to memory of 1184 1688 40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe net.exe PID 1184 wrote to memory of 1436 1184 net.exe net1.exe PID 1184 wrote to memory of 1436 1184 net.exe net1.exe PID 1184 wrote to memory of 1436 1184 net.exe net1.exe PID 1184 wrote to memory of 1436 1184 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.exe"C:\Users\Admin\AppData\Local\Temp\40bd428a38905e3f343028eb339ac37468a96a950389f96d603368fdaf764b94.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:1688 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:916 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:1552
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C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:1416
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C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1412 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:580 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:1748 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:540
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1184 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:1436
-
C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:1672
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:1988
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
106KB
MD5cf42bc80dd9760d8fcaad14e8a31f078
SHA135063d1e54fd1576535caa7c04e3aadc028d8096
SHA256e5bd3e9ef3349b83c3beecb8ae811e600c6a27b762d3cd72b603c65e8a4bd6ee
SHA5128d70a4f34b2b41de42b46b89bec50421d4d6fb6df4962571fe50fd6e98cdfb2a0bf8a93ff66e1dc96ace734abb1e678ec0148463b3f943fcddca99923b18a3f4
-
Filesize
244KB
MD5a7c97aeca0a082a5a060a05898c81f78
SHA10d1f0470960a6d657ff347349ca8ab53e3ee6b6c
SHA2567db80e7bd0fcac9d8f0f9df03956b28ef9a3a73882a65cfa9d43f514947aa188
SHA51210a659d334022247403b97ee604c314da3cc9cb790d63ffd4b0af21ce72dc8dff5da5c6450f067f4e3021ee413bba194c97fd21a9076f7bfb76ebdb7882b2441
-
Filesize
108KB
MD5b57c4f7ad38b832dbe25dbb1cb283e27
SHA1c88764898e56f9a8058c487ec1774e66586c9c6e
SHA2565674a9541c885e5740288f02642cc3414590ad1c6c56fd5ed966d82a1d7e43fe
SHA512c3a5b0e7038b3480c3372454e0f450499864fe6695a7b83cbb39ec372048ad5540f63799aef6990f95b5368a9e6ee5c4355e9bf568d26984d111128d69e9db61
-
Filesize
176KB
MD5c5bc96c9c71ba4c12560527d5a5a5e88
SHA1b51246d89cb51b4ee24c089e53e4c6b6f0456079
SHA2565c863032ca6555476157b1475ae063518bdd4e60a4b5e46cd1efc64e59a129b0
SHA5127eba90f34dc0e59ddddfdc74503691676e0c01c8b2799547768d722d19c44b160cac2da37105b73b8147b25b21fe626eac51fd5bd7352c167427a9b313ab6d69
-
Filesize
176KB
MD5c5bc96c9c71ba4c12560527d5a5a5e88
SHA1b51246d89cb51b4ee24c089e53e4c6b6f0456079
SHA2565c863032ca6555476157b1475ae063518bdd4e60a4b5e46cd1efc64e59a129b0
SHA5127eba90f34dc0e59ddddfdc74503691676e0c01c8b2799547768d722d19c44b160cac2da37105b73b8147b25b21fe626eac51fd5bd7352c167427a9b313ab6d69
-
Filesize
158KB
MD5624bd633476034bce29cdf81c0714ed3
SHA1f7ccfdff79ecd70a78efdb6e9050be50b4804580
SHA2568492430cb5d2e34a8ac08565cfe5558b38a7d509d72e9b7d9e7bb94b6a2a328d
SHA512cd1bd71c7ff3422b532312d864fd2e1f1cf83b812702c041da2a88a6a55972f7287185b43c655be72a5d01dfa7a94bfd57d451b18d8cabe27de2769b6be9f7dd
-
Filesize
158KB
MD5624bd633476034bce29cdf81c0714ed3
SHA1f7ccfdff79ecd70a78efdb6e9050be50b4804580
SHA2568492430cb5d2e34a8ac08565cfe5558b38a7d509d72e9b7d9e7bb94b6a2a328d
SHA512cd1bd71c7ff3422b532312d864fd2e1f1cf83b812702c041da2a88a6a55972f7287185b43c655be72a5d01dfa7a94bfd57d451b18d8cabe27de2769b6be9f7dd
-
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
MD5cf42bc80dd9760d8fcaad14e8a31f078
SHA135063d1e54fd1576535caa7c04e3aadc028d8096
SHA256e5bd3e9ef3349b83c3beecb8ae811e600c6a27b762d3cd72b603c65e8a4bd6ee
SHA5128d70a4f34b2b41de42b46b89bec50421d4d6fb6df4962571fe50fd6e98cdfb2a0bf8a93ff66e1dc96ace734abb1e678ec0148463b3f943fcddca99923b18a3f4
-
Filesize
106KB
MD5cf42bc80dd9760d8fcaad14e8a31f078
SHA135063d1e54fd1576535caa7c04e3aadc028d8096
SHA256e5bd3e9ef3349b83c3beecb8ae811e600c6a27b762d3cd72b603c65e8a4bd6ee
SHA5128d70a4f34b2b41de42b46b89bec50421d4d6fb6df4962571fe50fd6e98cdfb2a0bf8a93ff66e1dc96ace734abb1e678ec0148463b3f943fcddca99923b18a3f4
-
Filesize
106KB
MD5cf42bc80dd9760d8fcaad14e8a31f078
SHA135063d1e54fd1576535caa7c04e3aadc028d8096
SHA256e5bd3e9ef3349b83c3beecb8ae811e600c6a27b762d3cd72b603c65e8a4bd6ee
SHA5128d70a4f34b2b41de42b46b89bec50421d4d6fb6df4962571fe50fd6e98cdfb2a0bf8a93ff66e1dc96ace734abb1e678ec0148463b3f943fcddca99923b18a3f4
-
Filesize
244KB
MD5a7c97aeca0a082a5a060a05898c81f78
SHA10d1f0470960a6d657ff347349ca8ab53e3ee6b6c
SHA2567db80e7bd0fcac9d8f0f9df03956b28ef9a3a73882a65cfa9d43f514947aa188
SHA51210a659d334022247403b97ee604c314da3cc9cb790d63ffd4b0af21ce72dc8dff5da5c6450f067f4e3021ee413bba194c97fd21a9076f7bfb76ebdb7882b2441
-
Filesize
244KB
MD5a7c97aeca0a082a5a060a05898c81f78
SHA10d1f0470960a6d657ff347349ca8ab53e3ee6b6c
SHA2567db80e7bd0fcac9d8f0f9df03956b28ef9a3a73882a65cfa9d43f514947aa188
SHA51210a659d334022247403b97ee604c314da3cc9cb790d63ffd4b0af21ce72dc8dff5da5c6450f067f4e3021ee413bba194c97fd21a9076f7bfb76ebdb7882b2441
-
Filesize
108KB
MD5b57c4f7ad38b832dbe25dbb1cb283e27
SHA1c88764898e56f9a8058c487ec1774e66586c9c6e
SHA2565674a9541c885e5740288f02642cc3414590ad1c6c56fd5ed966d82a1d7e43fe
SHA512c3a5b0e7038b3480c3372454e0f450499864fe6695a7b83cbb39ec372048ad5540f63799aef6990f95b5368a9e6ee5c4355e9bf568d26984d111128d69e9db61
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Filesize
176KB
MD5c5bc96c9c71ba4c12560527d5a5a5e88
SHA1b51246d89cb51b4ee24c089e53e4c6b6f0456079
SHA2565c863032ca6555476157b1475ae063518bdd4e60a4b5e46cd1efc64e59a129b0
SHA5127eba90f34dc0e59ddddfdc74503691676e0c01c8b2799547768d722d19c44b160cac2da37105b73b8147b25b21fe626eac51fd5bd7352c167427a9b313ab6d69
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Filesize
158KB
MD5624bd633476034bce29cdf81c0714ed3
SHA1f7ccfdff79ecd70a78efdb6e9050be50b4804580
SHA2568492430cb5d2e34a8ac08565cfe5558b38a7d509d72e9b7d9e7bb94b6a2a328d
SHA512cd1bd71c7ff3422b532312d864fd2e1f1cf83b812702c041da2a88a6a55972f7287185b43c655be72a5d01dfa7a94bfd57d451b18d8cabe27de2769b6be9f7dd