Analysis
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max time kernel
24s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
22-11-2022 00:29
Static task
static1
Behavioral task
behavioral1
Sample
5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe
Resource
win10v2004-20221111-en
General
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Target
5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe
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Size
445KB
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MD5
80e2b39f5502a4542418cb117378528b
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SHA1
efcd028cf76b63b5418f2cb2462e612594f1afc7
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SHA256
5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994
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SHA512
29d2f1fd093eddc658635082f81e33861348aa47202baa295d6420289b11f1496c638e40d68a6ba0ce5efc1803b4b2a697268c2db0b80d018ea62580671f5e99
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SSDEEP
12288:dGOR8aqUZfv5WcCJ6CME2zUlUzI/px8GQSn57kl:dEaqCf8JlMzolgYx8G75G
Malware Config
Signatures
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Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\nethfdrv.sys 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe -
Executes dropped EXE 5 IoCs
pid Process 668 installd.exe 560 nethtsrv.exe 1836 netupdsrv.exe 1748 nethtsrv.exe 2032 netupdsrv.exe -
Loads dropped DLL 13 IoCs
pid Process 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 668 installd.exe 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 560 nethtsrv.exe 560 nethtsrv.exe 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 1748 nethtsrv.exe 1748 nethtsrv.exe 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\netupdsrv.exe 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe File created C:\Windows\SysWOW64\hfnapi.dll 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe File created C:\Windows\SysWOW64\hfpapi.dll 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe File created C:\Windows\SysWOW64\installd.exe 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe File created C:\Windows\SysWOW64\nethtsrv.exe 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files (x86)\Common Files\Config\ver.xml 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe File created C:\Program Files (x86)\Common Files\Config\data.xml 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Runs net.exe
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Suspicious behavior: LoadsDriver 1 IoCs
pid Process 460 Process not Found -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1748 nethtsrv.exe -
Suspicious use of WriteProcessMemory 50 IoCs
description pid Process procid_target PID 1704 wrote to memory of 1772 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 28 PID 1704 wrote to memory of 1772 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 28 PID 1704 wrote to memory of 1772 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 28 PID 1704 wrote to memory of 1772 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 28 PID 1772 wrote to memory of 1004 1772 net.exe 30 PID 1772 wrote to memory of 1004 1772 net.exe 30 PID 1772 wrote to memory of 1004 1772 net.exe 30 PID 1772 wrote to memory of 1004 1772 net.exe 30 PID 1704 wrote to memory of 1064 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 31 PID 1704 wrote to memory of 1064 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 31 PID 1704 wrote to memory of 1064 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 31 PID 1704 wrote to memory of 1064 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 31 PID 1064 wrote to memory of 580 1064 net.exe 33 PID 1064 wrote to memory of 580 1064 net.exe 33 PID 1064 wrote to memory of 580 1064 net.exe 33 PID 1064 wrote to memory of 580 1064 net.exe 33 PID 1704 wrote to memory of 668 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 34 PID 1704 wrote to memory of 668 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 34 PID 1704 wrote to memory of 668 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 34 PID 1704 wrote to memory of 668 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 34 PID 1704 wrote to memory of 668 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 34 PID 1704 wrote to memory of 668 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 34 PID 1704 wrote to memory of 668 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 34 PID 1704 wrote to memory of 560 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 36 PID 1704 wrote to memory of 560 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 36 PID 1704 wrote to memory of 560 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 36 PID 1704 wrote to memory of 560 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 36 PID 1704 wrote to memory of 1836 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 38 PID 1704 wrote to memory of 1836 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 38 PID 1704 wrote to memory of 1836 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 38 PID 1704 wrote to memory of 1836 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 38 PID 1704 wrote to memory of 1836 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 38 PID 1704 wrote to memory of 1836 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 38 PID 1704 wrote to memory of 1836 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 38 PID 1704 wrote to memory of 828 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 40 PID 1704 wrote to memory of 828 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 40 PID 1704 wrote to memory of 828 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 40 PID 1704 wrote to memory of 828 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 40 PID 828 wrote to memory of 1912 828 net.exe 42 PID 828 wrote to memory of 1912 828 net.exe 42 PID 828 wrote to memory of 1912 828 net.exe 42 PID 828 wrote to memory of 1912 828 net.exe 42 PID 1704 wrote to memory of 240 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 44 PID 1704 wrote to memory of 240 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 44 PID 1704 wrote to memory of 240 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 44 PID 1704 wrote to memory of 240 1704 5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe 44 PID 240 wrote to memory of 340 240 net.exe 46 PID 240 wrote to memory of 340 240 net.exe 46 PID 240 wrote to memory of 340 240 net.exe 46 PID 240 wrote to memory of 340 240 net.exe 46
Processes
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C:\Users\Admin\AppData\Local\Temp\5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.exe"C:\Users\Admin\AppData\Local\Temp\5f68ee43cc6b6bf82f1664bfec81e803bb064dcfda71062e9c71f5703fef3994.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:1704 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:1004
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C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:580
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C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:668
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C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:560
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C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:1836
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C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:828 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:1912
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C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:240 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:340
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C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:1748
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C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:2032
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
106KB
MD58997ea157d1190688fa396e24bab5364
SHA1f2f604326a564874d8ac3f2d0d494be84a19eea0
SHA25655b4ffa8279c31fed3c26fc9c77431f3d2f192e2579e052001c5c227bdd6de2e
SHA512d5ecb8a367b45449c62a0b0ba9fa1b5740de317183bd2f31a7f890078832293d7b670a83ffb0ded5e9ac5176d52d8b6f4835fdc8937a6770059f9a4c80a775f6
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Filesize
241KB
MD5dd14ef805a5a54a13e67ec2b10027739
SHA1e69c4c1c87787380d88dd838bc4ef6f4c798962d
SHA25670615a19d040ed675c96ca9419419b78afc3ac9ddd73810a5d7220d56019e778
SHA512d7e11b6b8750c9c68f5516473b3cba1d4aacbf621dd07acf81587406265ff367159b5c76c87afb1a8bca981a5730938cb3214e31a4a63e5a50a7861437108f33
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Filesize
108KB
MD5182491729546b684844b00633fabe160
SHA1f581ff137af3631eecf2a4ef70aae50b5e2a81e6
SHA256dba5df58e787dbc450aa7e8ff7e3fd42a467984c69fd32450bb672d5df25be2b
SHA5127a128d00ff56336a544747986963a11271cb7b131ca014506a560b695675e20b532899ade3be4eb778265dc7905ff4f965494ce3d1c376c57f3061a33bb34c2c
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Filesize
176KB
MD5d8497a66685319bb11fb0ce5a1e17f71
SHA1228668753153fa2f6386af2f66efaaed6358812f
SHA2565f54fc6c61999e30ef3e08ec1a6a81e366b21b22b64e9e0e2e7034ea23918148
SHA512d3b090e96481b626481d6cd6ba904f1b9054b5ae761e74463699bb85200e62c109aa975d46d731fde9ee7b5c3a1f4abc206c39a06835f26f036219b8cb2f45fc
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Filesize
176KB
MD5d8497a66685319bb11fb0ce5a1e17f71
SHA1228668753153fa2f6386af2f66efaaed6358812f
SHA2565f54fc6c61999e30ef3e08ec1a6a81e366b21b22b64e9e0e2e7034ea23918148
SHA512d3b090e96481b626481d6cd6ba904f1b9054b5ae761e74463699bb85200e62c109aa975d46d731fde9ee7b5c3a1f4abc206c39a06835f26f036219b8cb2f45fc
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Filesize
158KB
MD557779aed22d1fd9b73f8db6091a8d3c1
SHA15b7c0b8cb7ef9d361199c07caa73c34a1bbe9fb3
SHA2564f5daee2cfdec417b73b69cf7e093ef1e440e5b4c7ee761ea83babcc4dba42d7
SHA512c276df876fe34e1f809bd823fa8df4660072714f2ee63e535f495e28bdc45acbbde054d1fc580de2a62c6544ae2b89b4e568eee76428cefef624ebdd34b30ece
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Filesize
158KB
MD557779aed22d1fd9b73f8db6091a8d3c1
SHA15b7c0b8cb7ef9d361199c07caa73c34a1bbe9fb3
SHA2564f5daee2cfdec417b73b69cf7e093ef1e440e5b4c7ee761ea83babcc4dba42d7
SHA512c276df876fe34e1f809bd823fa8df4660072714f2ee63e535f495e28bdc45acbbde054d1fc580de2a62c6544ae2b89b4e568eee76428cefef624ebdd34b30ece
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Filesize
11KB
MD5c17103ae9072a06da581dec998343fc1
SHA1b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA256dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
SHA512d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
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Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
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Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
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Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
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Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
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Filesize
106KB
MD58997ea157d1190688fa396e24bab5364
SHA1f2f604326a564874d8ac3f2d0d494be84a19eea0
SHA25655b4ffa8279c31fed3c26fc9c77431f3d2f192e2579e052001c5c227bdd6de2e
SHA512d5ecb8a367b45449c62a0b0ba9fa1b5740de317183bd2f31a7f890078832293d7b670a83ffb0ded5e9ac5176d52d8b6f4835fdc8937a6770059f9a4c80a775f6
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Filesize
106KB
MD58997ea157d1190688fa396e24bab5364
SHA1f2f604326a564874d8ac3f2d0d494be84a19eea0
SHA25655b4ffa8279c31fed3c26fc9c77431f3d2f192e2579e052001c5c227bdd6de2e
SHA512d5ecb8a367b45449c62a0b0ba9fa1b5740de317183bd2f31a7f890078832293d7b670a83ffb0ded5e9ac5176d52d8b6f4835fdc8937a6770059f9a4c80a775f6
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Filesize
106KB
MD58997ea157d1190688fa396e24bab5364
SHA1f2f604326a564874d8ac3f2d0d494be84a19eea0
SHA25655b4ffa8279c31fed3c26fc9c77431f3d2f192e2579e052001c5c227bdd6de2e
SHA512d5ecb8a367b45449c62a0b0ba9fa1b5740de317183bd2f31a7f890078832293d7b670a83ffb0ded5e9ac5176d52d8b6f4835fdc8937a6770059f9a4c80a775f6
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Filesize
241KB
MD5dd14ef805a5a54a13e67ec2b10027739
SHA1e69c4c1c87787380d88dd838bc4ef6f4c798962d
SHA25670615a19d040ed675c96ca9419419b78afc3ac9ddd73810a5d7220d56019e778
SHA512d7e11b6b8750c9c68f5516473b3cba1d4aacbf621dd07acf81587406265ff367159b5c76c87afb1a8bca981a5730938cb3214e31a4a63e5a50a7861437108f33
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Filesize
241KB
MD5dd14ef805a5a54a13e67ec2b10027739
SHA1e69c4c1c87787380d88dd838bc4ef6f4c798962d
SHA25670615a19d040ed675c96ca9419419b78afc3ac9ddd73810a5d7220d56019e778
SHA512d7e11b6b8750c9c68f5516473b3cba1d4aacbf621dd07acf81587406265ff367159b5c76c87afb1a8bca981a5730938cb3214e31a4a63e5a50a7861437108f33
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Filesize
108KB
MD5182491729546b684844b00633fabe160
SHA1f581ff137af3631eecf2a4ef70aae50b5e2a81e6
SHA256dba5df58e787dbc450aa7e8ff7e3fd42a467984c69fd32450bb672d5df25be2b
SHA5127a128d00ff56336a544747986963a11271cb7b131ca014506a560b695675e20b532899ade3be4eb778265dc7905ff4f965494ce3d1c376c57f3061a33bb34c2c
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Filesize
176KB
MD5d8497a66685319bb11fb0ce5a1e17f71
SHA1228668753153fa2f6386af2f66efaaed6358812f
SHA2565f54fc6c61999e30ef3e08ec1a6a81e366b21b22b64e9e0e2e7034ea23918148
SHA512d3b090e96481b626481d6cd6ba904f1b9054b5ae761e74463699bb85200e62c109aa975d46d731fde9ee7b5c3a1f4abc206c39a06835f26f036219b8cb2f45fc
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Filesize
158KB
MD557779aed22d1fd9b73f8db6091a8d3c1
SHA15b7c0b8cb7ef9d361199c07caa73c34a1bbe9fb3
SHA2564f5daee2cfdec417b73b69cf7e093ef1e440e5b4c7ee761ea83babcc4dba42d7
SHA512c276df876fe34e1f809bd823fa8df4660072714f2ee63e535f495e28bdc45acbbde054d1fc580de2a62c6544ae2b89b4e568eee76428cefef624ebdd34b30ece