Analysis
-
max time kernel
27s -
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 10:12
Static task
static1
Behavioral task
behavioral1
Sample
c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe
Resource
win10v2004-20220812-en
General
-
Target
c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe
-
Size
601KB
-
MD5
b9c558cc07dbc82eb4c3d055872cc56f
-
SHA1
a99ec3965fdceb01b031fcb4ecf970eff9339b2f
-
SHA256
c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d
-
SHA512
ade2032e4d4402bf09dd44766bc28361f5976f6308e4d0d7826bb1758b1692e37e176b8decd3dad0a4eb0298b8f681f90c6227f8e21715c88d77fe5093ed837d
-
SSDEEP
12288:BIny5DYTtJXVe38KhDYd/DvoDNv5rFqF2VLhIHM:9UTt9E38Khsd/0NvJFqmIH
Malware Config
Signatures
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Drops file in Drivers directory 1 IoCs
Processes:
c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 896 installd.exe 1816 nethtsrv.exe 1528 netupdsrv.exe 964 nethtsrv.exe 1020 netupdsrv.exe -
Loads dropped DLL 13 IoCs
Processes:
c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exeinstalld.exenethtsrv.exenethtsrv.exepid process 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe 896 installd.exe 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe 1816 nethtsrv.exe 1816 nethtsrv.exe 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe 964 nethtsrv.exe 964 nethtsrv.exe 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.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:
c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exedescription ioc process File created C:\Windows\SysWOW64\hfnapi.dll c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe File created C:\Windows\SysWOW64\hfpapi.dll c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe File created C:\Windows\SysWOW64\installd.exe c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe File created C:\Windows\SysWOW64\nethtsrv.exe c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe File created C:\Windows\SysWOW64\netupdsrv.exe c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe -
Drops file in Program Files directory 3 IoCs
Processes:
c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.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 964 nethtsrv.exe -
Suspicious use of WriteProcessMemory 50 IoCs
Processes:
c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exenet.exenet.exenet.exenet.exedescription pid process target process PID 1920 wrote to memory of 1896 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1920 wrote to memory of 1896 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1920 wrote to memory of 1896 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1920 wrote to memory of 1896 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1896 wrote to memory of 1964 1896 net.exe net1.exe PID 1896 wrote to memory of 1964 1896 net.exe net1.exe PID 1896 wrote to memory of 1964 1896 net.exe net1.exe PID 1896 wrote to memory of 1964 1896 net.exe net1.exe PID 1920 wrote to memory of 1480 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1920 wrote to memory of 1480 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1920 wrote to memory of 1480 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1920 wrote to memory of 1480 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1480 wrote to memory of 984 1480 net.exe net1.exe PID 1480 wrote to memory of 984 1480 net.exe net1.exe PID 1480 wrote to memory of 984 1480 net.exe net1.exe PID 1480 wrote to memory of 984 1480 net.exe net1.exe PID 1920 wrote to memory of 896 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe installd.exe PID 1920 wrote to memory of 896 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe installd.exe PID 1920 wrote to memory of 896 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe installd.exe PID 1920 wrote to memory of 896 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe installd.exe PID 1920 wrote to memory of 896 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe installd.exe PID 1920 wrote to memory of 896 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe installd.exe PID 1920 wrote to memory of 896 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe installd.exe PID 1920 wrote to memory of 1816 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe nethtsrv.exe PID 1920 wrote to memory of 1816 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe nethtsrv.exe PID 1920 wrote to memory of 1816 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe nethtsrv.exe PID 1920 wrote to memory of 1816 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe nethtsrv.exe PID 1920 wrote to memory of 1528 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe netupdsrv.exe PID 1920 wrote to memory of 1528 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe netupdsrv.exe PID 1920 wrote to memory of 1528 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe netupdsrv.exe PID 1920 wrote to memory of 1528 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe netupdsrv.exe PID 1920 wrote to memory of 1528 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe netupdsrv.exe PID 1920 wrote to memory of 1528 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe netupdsrv.exe PID 1920 wrote to memory of 1528 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe netupdsrv.exe PID 1920 wrote to memory of 1192 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1920 wrote to memory of 1192 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1920 wrote to memory of 1192 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1920 wrote to memory of 1192 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1192 wrote to memory of 268 1192 net.exe net1.exe PID 1192 wrote to memory of 268 1192 net.exe net1.exe PID 1192 wrote to memory of 268 1192 net.exe net1.exe PID 1192 wrote to memory of 268 1192 net.exe net1.exe PID 1920 wrote to memory of 2028 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1920 wrote to memory of 2028 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1920 wrote to memory of 2028 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 1920 wrote to memory of 2028 1920 c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe net.exe PID 2028 wrote to memory of 676 2028 net.exe net1.exe PID 2028 wrote to memory of 676 2028 net.exe net1.exe PID 2028 wrote to memory of 676 2028 net.exe net1.exe PID 2028 wrote to memory of 676 2028 net.exe net1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.exe"C:\Users\Admin\AppData\Local\Temp\c68474010868fd816084220384d53167094be8569d3e987099cb562bbe79a27d.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:1920 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1896 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:1964
-
C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1480 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:984
-
C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:896 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1816 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:1528 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:268
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:676
-
C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:964
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:1020
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
106KB
MD5703731e683b505b25247fd24550d4d41
SHA1e09f664e7378d7496fb93a62a18e49d9218ac171
SHA25613718aa4653e1ee2ea3b66905a50555d8ad7faec1a435aec2f43b1f2e2f38869
SHA5125165746984322166ef30227167693108c6696a37acbcf3cafec04f056aab5de6bbac371fc7908dd486bb4657b3792134d3088163b2a4f54536936588cc0c6cba
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Filesize
241KB
MD5065fb0fbec3f504e89e90b8985a3e193
SHA12f86f8816419629cff2888cf789f780677a1ab50
SHA2566025ae2d45df3d45ad8928e6f5db08e4fee1a647f6efa5da983821a887a818af
SHA51238a15efb18e73672259697d5e5ad8c0df9dd33c479c3dda08fa01ee1da2cdc90883cf771220fbf5ab8a4afc13b2a417973f82a370d5f5d412f60dab7b51f79d2
-
Filesize
108KB
MD55d0e3de80b3c935a209581538d47275d
SHA1d0c91958f8fb30aeac85d5822a992b6475444677
SHA25615b4ea64c7d22f239ae6f2d3ec8dbacdf166e2ea0e917e636b9ad3a593cf6b1f
SHA5121e0e21a312091c4523cfb4ae21d641756f9097befcb027d550b6e931b0804c039ee766d236407d4b6156b86d00d2fc7c8dc3be1309285b79df370fbd65dafb62
-
Filesize
176KB
MD53c8fb3232498e946698429bed2528b7c
SHA1554b94f228af39ff47c85849da8b324252becf1a
SHA2568e1b63bb0365cd75e4865276a29b5758cd8b4c695c334bc5294f6467c3459cbd
SHA512345b3143c96560ac186246f99ab27efeeff0724cd2e19e33f8b86a4a95713b9bdd4ca337e6b5d6ce5fe751facf1d8c68a9ac51659b2b5eb88e8c79bd253bbcc6
-
Filesize
176KB
MD53c8fb3232498e946698429bed2528b7c
SHA1554b94f228af39ff47c85849da8b324252becf1a
SHA2568e1b63bb0365cd75e4865276a29b5758cd8b4c695c334bc5294f6467c3459cbd
SHA512345b3143c96560ac186246f99ab27efeeff0724cd2e19e33f8b86a4a95713b9bdd4ca337e6b5d6ce5fe751facf1d8c68a9ac51659b2b5eb88e8c79bd253bbcc6
-
Filesize
158KB
MD5fc1ca4ead423537b923b97a2a45d2427
SHA17d367774a744d50bc82876c04c332c1b1a66cc8b
SHA256b9f8c7d88e086024935a7ff079fee72f70632bfd4e4fc0f15378943e6759f500
SHA512990c2170c0cd28cd95dc2719a23af5ebaa6f6b9171e3ba43710a39d8688157192efd5e06d6c34bf6a92b7a5c74ed0ce2d3133c4a71e0e520efd169f4f68e6926
-
Filesize
158KB
MD5fc1ca4ead423537b923b97a2a45d2427
SHA17d367774a744d50bc82876c04c332c1b1a66cc8b
SHA256b9f8c7d88e086024935a7ff079fee72f70632bfd4e4fc0f15378943e6759f500
SHA512990c2170c0cd28cd95dc2719a23af5ebaa6f6b9171e3ba43710a39d8688157192efd5e06d6c34bf6a92b7a5c74ed0ce2d3133c4a71e0e520efd169f4f68e6926
-
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
MD5703731e683b505b25247fd24550d4d41
SHA1e09f664e7378d7496fb93a62a18e49d9218ac171
SHA25613718aa4653e1ee2ea3b66905a50555d8ad7faec1a435aec2f43b1f2e2f38869
SHA5125165746984322166ef30227167693108c6696a37acbcf3cafec04f056aab5de6bbac371fc7908dd486bb4657b3792134d3088163b2a4f54536936588cc0c6cba
-
Filesize
106KB
MD5703731e683b505b25247fd24550d4d41
SHA1e09f664e7378d7496fb93a62a18e49d9218ac171
SHA25613718aa4653e1ee2ea3b66905a50555d8ad7faec1a435aec2f43b1f2e2f38869
SHA5125165746984322166ef30227167693108c6696a37acbcf3cafec04f056aab5de6bbac371fc7908dd486bb4657b3792134d3088163b2a4f54536936588cc0c6cba
-
Filesize
106KB
MD5703731e683b505b25247fd24550d4d41
SHA1e09f664e7378d7496fb93a62a18e49d9218ac171
SHA25613718aa4653e1ee2ea3b66905a50555d8ad7faec1a435aec2f43b1f2e2f38869
SHA5125165746984322166ef30227167693108c6696a37acbcf3cafec04f056aab5de6bbac371fc7908dd486bb4657b3792134d3088163b2a4f54536936588cc0c6cba
-
Filesize
241KB
MD5065fb0fbec3f504e89e90b8985a3e193
SHA12f86f8816419629cff2888cf789f780677a1ab50
SHA2566025ae2d45df3d45ad8928e6f5db08e4fee1a647f6efa5da983821a887a818af
SHA51238a15efb18e73672259697d5e5ad8c0df9dd33c479c3dda08fa01ee1da2cdc90883cf771220fbf5ab8a4afc13b2a417973f82a370d5f5d412f60dab7b51f79d2
-
Filesize
241KB
MD5065fb0fbec3f504e89e90b8985a3e193
SHA12f86f8816419629cff2888cf789f780677a1ab50
SHA2566025ae2d45df3d45ad8928e6f5db08e4fee1a647f6efa5da983821a887a818af
SHA51238a15efb18e73672259697d5e5ad8c0df9dd33c479c3dda08fa01ee1da2cdc90883cf771220fbf5ab8a4afc13b2a417973f82a370d5f5d412f60dab7b51f79d2
-
Filesize
108KB
MD55d0e3de80b3c935a209581538d47275d
SHA1d0c91958f8fb30aeac85d5822a992b6475444677
SHA25615b4ea64c7d22f239ae6f2d3ec8dbacdf166e2ea0e917e636b9ad3a593cf6b1f
SHA5121e0e21a312091c4523cfb4ae21d641756f9097befcb027d550b6e931b0804c039ee766d236407d4b6156b86d00d2fc7c8dc3be1309285b79df370fbd65dafb62
-
Filesize
176KB
MD53c8fb3232498e946698429bed2528b7c
SHA1554b94f228af39ff47c85849da8b324252becf1a
SHA2568e1b63bb0365cd75e4865276a29b5758cd8b4c695c334bc5294f6467c3459cbd
SHA512345b3143c96560ac186246f99ab27efeeff0724cd2e19e33f8b86a4a95713b9bdd4ca337e6b5d6ce5fe751facf1d8c68a9ac51659b2b5eb88e8c79bd253bbcc6
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Filesize
158KB
MD5fc1ca4ead423537b923b97a2a45d2427
SHA17d367774a744d50bc82876c04c332c1b1a66cc8b
SHA256b9f8c7d88e086024935a7ff079fee72f70632bfd4e4fc0f15378943e6759f500
SHA512990c2170c0cd28cd95dc2719a23af5ebaa6f6b9171e3ba43710a39d8688157192efd5e06d6c34bf6a92b7a5c74ed0ce2d3133c4a71e0e520efd169f4f68e6926