Analysis
-
max time kernel
22s -
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
3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe
Resource
win10v2004-20221111-en
General
-
Target
3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe
-
Size
603KB
-
MD5
c5f87d76b3f11b920851c2a6fb857416
-
SHA1
e87648b50d54c211afa703859eb5ae1ed7ceba11
-
SHA256
3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433
-
SHA512
7160db71d3224327f66e433c7af71a97933901a31fa6dffd20458f6bbe4a6f40758526d3735b24e28e101015f20d920bdd71203e7326fea47e133f6de53dad72
-
SSDEEP
12288:0Iny5DYTfI9RJsoMGOvFqjij0Mf6OQNs9R1yquieu9PXTRg:yUTfOnLMXcij0s689judu9PX
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 1960 installd.exe 280 nethtsrv.exe 1548 netupdsrv.exe 344 nethtsrv.exe 1940 netupdsrv.exe -
Loads dropped DLL 13 IoCs
Processes:
3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exeinstalld.exenethtsrv.exenethtsrv.exepid process 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe 1960 installd.exe 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe 280 nethtsrv.exe 280 nethtsrv.exe 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe 344 nethtsrv.exe 344 nethtsrv.exe 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.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:
3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exedescription ioc process File created C:\Windows\SysWOW64\hfnapi.dll 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe File created C:\Windows\SysWOW64\hfpapi.dll 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe File created C:\Windows\SysWOW64\installd.exe 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe File created C:\Windows\SysWOW64\nethtsrv.exe 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe File created C:\Windows\SysWOW64\netupdsrv.exe 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe -
Drops file in Program Files directory 3 IoCs
Processes:
3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.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
-
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
pid process 464 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 344 nethtsrv.exe -
Suspicious use of WriteProcessMemory 50 IoCs
Processes:
3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exenet.exenet.exenet.exenet.exedescription pid process target process PID 996 wrote to memory of 1740 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 996 wrote to memory of 1740 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 996 wrote to memory of 1740 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 996 wrote to memory of 1740 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 1740 wrote to memory of 628 1740 net.exe net1.exe PID 1740 wrote to memory of 628 1740 net.exe net1.exe PID 1740 wrote to memory of 628 1740 net.exe net1.exe PID 1740 wrote to memory of 628 1740 net.exe net1.exe PID 996 wrote to memory of 1372 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 996 wrote to memory of 1372 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 996 wrote to memory of 1372 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 996 wrote to memory of 1372 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 1372 wrote to memory of 1216 1372 net.exe net1.exe PID 1372 wrote to memory of 1216 1372 net.exe net1.exe PID 1372 wrote to memory of 1216 1372 net.exe net1.exe PID 1372 wrote to memory of 1216 1372 net.exe net1.exe PID 996 wrote to memory of 1960 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe installd.exe PID 996 wrote to memory of 1960 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe installd.exe PID 996 wrote to memory of 1960 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe installd.exe PID 996 wrote to memory of 1960 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe installd.exe PID 996 wrote to memory of 1960 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe installd.exe PID 996 wrote to memory of 1960 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe installd.exe PID 996 wrote to memory of 1960 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe installd.exe PID 996 wrote to memory of 280 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe nethtsrv.exe PID 996 wrote to memory of 280 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe nethtsrv.exe PID 996 wrote to memory of 280 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe nethtsrv.exe PID 996 wrote to memory of 280 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe nethtsrv.exe PID 996 wrote to memory of 1548 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe netupdsrv.exe PID 996 wrote to memory of 1548 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe netupdsrv.exe PID 996 wrote to memory of 1548 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe netupdsrv.exe PID 996 wrote to memory of 1548 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe netupdsrv.exe PID 996 wrote to memory of 1548 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe netupdsrv.exe PID 996 wrote to memory of 1548 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe netupdsrv.exe PID 996 wrote to memory of 1548 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe netupdsrv.exe PID 996 wrote to memory of 1744 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 996 wrote to memory of 1744 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 996 wrote to memory of 1744 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 996 wrote to memory of 1744 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 1744 wrote to memory of 544 1744 net.exe net1.exe PID 1744 wrote to memory of 544 1744 net.exe net1.exe PID 1744 wrote to memory of 544 1744 net.exe net1.exe PID 1744 wrote to memory of 544 1744 net.exe net1.exe PID 996 wrote to memory of 1148 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 996 wrote to memory of 1148 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 996 wrote to memory of 1148 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 996 wrote to memory of 1148 996 3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe net.exe PID 1148 wrote to memory of 1236 1148 net.exe net1.exe PID 1148 wrote to memory of 1236 1148 net.exe net1.exe PID 1148 wrote to memory of 1236 1148 net.exe net1.exe PID 1148 wrote to memory of 1236 1148 net.exe net1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.exe"C:\Users\Admin\AppData\Local\Temp\3d876a82370976e73cf4c15e349300254f91ada3102bb649719ece5fe029a433.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:996 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:628
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C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1372 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:1216
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C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1960 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:280 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:1548 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:544
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C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1148 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:1236
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C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:344
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:1940
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
106KB
MD57bb74a08cc2aff973e4d6675aa02e9e4
SHA163b988edb91927182cf332e86d50f2b9baa426e7
SHA256dc21e9359e4875637f9c09bd3c4d91dbe9c0a689488a310d32666466c0b76387
SHA51201c83a9cc33ab4fa399ce02c0e1532ab3ed58bc0eda98663039864e7fb3bb4fa18ca09961412a0d90896aa65dd1314f8db5bb359be6da8203239c96cc582c8ed
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Filesize
241KB
MD54044c1efbeb0643855bb1c7fd566016f
SHA1f6b9d569e528cfc1de4d64e4c3a705d1d463c971
SHA256ff26d5b2b76a76a8b073757519f5180f04dc4df368ae2b53120da1ca84aa42e6
SHA51276b74dbc4b41713494157471a4f7019652b08579e0761bd9cdf033b71e8bdbb6d462012965f07fabee2600431467a50c9a719d470f87b64abac2f1f933414c7e
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Filesize
108KB
MD58dd1f1f3adc2c97bea899458e3f70015
SHA1dfa38992cafcf3d00c3c139dae9d6a0b1bb91904
SHA2566b802c4eb2509c45dc3961fb0beb17d102b125a880a3189c40ce6dce8a7029b3
SHA5129725645bfe9fc1764a2257b5ab4d287a2def853e944ff9473f6a1d785a973c31d04857a55def8b7accf1daee2c96f4715a495c7de631d68c540771a42d2fb3bf
-
Filesize
176KB
MD5c85c389558b9b2e8809701be1b7dcbf8
SHA1f95f8f7a533e31739f11a2eb63b0e69ec280fb1e
SHA256e6d2538349ae6a366bcca81669fbd7bd220d328b910c76fe8cdd51cd918ea332
SHA5126d2f06b9cc4c6fd027ba35206630c0d23e3064a8dc01257c0deed2ad1062a8fe7d71c932ed280d997ffef803bed61f35791cc5d4cb061ba9d518d1dcddec3084
-
Filesize
176KB
MD5c85c389558b9b2e8809701be1b7dcbf8
SHA1f95f8f7a533e31739f11a2eb63b0e69ec280fb1e
SHA256e6d2538349ae6a366bcca81669fbd7bd220d328b910c76fe8cdd51cd918ea332
SHA5126d2f06b9cc4c6fd027ba35206630c0d23e3064a8dc01257c0deed2ad1062a8fe7d71c932ed280d997ffef803bed61f35791cc5d4cb061ba9d518d1dcddec3084
-
Filesize
159KB
MD5a22eca3c3c84b0e098e38500b29ca97c
SHA1ccc4da158d397babd62d57a682c698bd8f54ad29
SHA256104851d359978f3bd8142e18455cd6b1dc275b98ebfa2cd200c3311bfd9765f9
SHA512951c6fdaf901aaa8ab81f136005ba52150aed85db3c898c24b13527f488e1f9fd3f695d82655133cfd3f185b4294a3470ead438579b85a92fcc8a2eba13785d4
-
Filesize
159KB
MD5a22eca3c3c84b0e098e38500b29ca97c
SHA1ccc4da158d397babd62d57a682c698bd8f54ad29
SHA256104851d359978f3bd8142e18455cd6b1dc275b98ebfa2cd200c3311bfd9765f9
SHA512951c6fdaf901aaa8ab81f136005ba52150aed85db3c898c24b13527f488e1f9fd3f695d82655133cfd3f185b4294a3470ead438579b85a92fcc8a2eba13785d4
-
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
MD57bb74a08cc2aff973e4d6675aa02e9e4
SHA163b988edb91927182cf332e86d50f2b9baa426e7
SHA256dc21e9359e4875637f9c09bd3c4d91dbe9c0a689488a310d32666466c0b76387
SHA51201c83a9cc33ab4fa399ce02c0e1532ab3ed58bc0eda98663039864e7fb3bb4fa18ca09961412a0d90896aa65dd1314f8db5bb359be6da8203239c96cc582c8ed
-
Filesize
106KB
MD57bb74a08cc2aff973e4d6675aa02e9e4
SHA163b988edb91927182cf332e86d50f2b9baa426e7
SHA256dc21e9359e4875637f9c09bd3c4d91dbe9c0a689488a310d32666466c0b76387
SHA51201c83a9cc33ab4fa399ce02c0e1532ab3ed58bc0eda98663039864e7fb3bb4fa18ca09961412a0d90896aa65dd1314f8db5bb359be6da8203239c96cc582c8ed
-
Filesize
106KB
MD57bb74a08cc2aff973e4d6675aa02e9e4
SHA163b988edb91927182cf332e86d50f2b9baa426e7
SHA256dc21e9359e4875637f9c09bd3c4d91dbe9c0a689488a310d32666466c0b76387
SHA51201c83a9cc33ab4fa399ce02c0e1532ab3ed58bc0eda98663039864e7fb3bb4fa18ca09961412a0d90896aa65dd1314f8db5bb359be6da8203239c96cc582c8ed
-
Filesize
241KB
MD54044c1efbeb0643855bb1c7fd566016f
SHA1f6b9d569e528cfc1de4d64e4c3a705d1d463c971
SHA256ff26d5b2b76a76a8b073757519f5180f04dc4df368ae2b53120da1ca84aa42e6
SHA51276b74dbc4b41713494157471a4f7019652b08579e0761bd9cdf033b71e8bdbb6d462012965f07fabee2600431467a50c9a719d470f87b64abac2f1f933414c7e
-
Filesize
241KB
MD54044c1efbeb0643855bb1c7fd566016f
SHA1f6b9d569e528cfc1de4d64e4c3a705d1d463c971
SHA256ff26d5b2b76a76a8b073757519f5180f04dc4df368ae2b53120da1ca84aa42e6
SHA51276b74dbc4b41713494157471a4f7019652b08579e0761bd9cdf033b71e8bdbb6d462012965f07fabee2600431467a50c9a719d470f87b64abac2f1f933414c7e
-
Filesize
108KB
MD58dd1f1f3adc2c97bea899458e3f70015
SHA1dfa38992cafcf3d00c3c139dae9d6a0b1bb91904
SHA2566b802c4eb2509c45dc3961fb0beb17d102b125a880a3189c40ce6dce8a7029b3
SHA5129725645bfe9fc1764a2257b5ab4d287a2def853e944ff9473f6a1d785a973c31d04857a55def8b7accf1daee2c96f4715a495c7de631d68c540771a42d2fb3bf
-
Filesize
176KB
MD5c85c389558b9b2e8809701be1b7dcbf8
SHA1f95f8f7a533e31739f11a2eb63b0e69ec280fb1e
SHA256e6d2538349ae6a366bcca81669fbd7bd220d328b910c76fe8cdd51cd918ea332
SHA5126d2f06b9cc4c6fd027ba35206630c0d23e3064a8dc01257c0deed2ad1062a8fe7d71c932ed280d997ffef803bed61f35791cc5d4cb061ba9d518d1dcddec3084
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Filesize
159KB
MD5a22eca3c3c84b0e098e38500b29ca97c
SHA1ccc4da158d397babd62d57a682c698bd8f54ad29
SHA256104851d359978f3bd8142e18455cd6b1dc275b98ebfa2cd200c3311bfd9765f9
SHA512951c6fdaf901aaa8ab81f136005ba52150aed85db3c898c24b13527f488e1f9fd3f695d82655133cfd3f185b4294a3470ead438579b85a92fcc8a2eba13785d4