Analysis
-
max time kernel
28s -
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 10:16
Static task
static1
Behavioral task
behavioral1
Sample
aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe
Resource
win10v2004-20220812-en
General
-
Target
aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe
-
Size
603KB
-
MD5
d6571024fa19008406bd56839f06a9be
-
SHA1
0376972f02d28665a9baaeaf23581169087088ef
-
SHA256
aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd
-
SHA512
1bab29762be9bc9493ab442d58177ebaff10f5d172aaeef0a6371ed7b5e7922942694d99f8574cbd950c717d04a5357d732a27e087a46c9cc7354173e56507f0
-
SSDEEP
12288:sIny5DYTMIaN9jks7qP1wLjDVxt5K7sct6to9xxSdVoyd7:qUTMRN/EGj5xvP66to9Zy
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 2020 installd.exe 668 nethtsrv.exe 1320 netupdsrv.exe 1496 nethtsrv.exe 1512 netupdsrv.exe -
Loads dropped DLL 13 IoCs
Processes:
aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exeinstalld.exenethtsrv.exenethtsrv.exepid process 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe 2020 installd.exe 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe 668 nethtsrv.exe 668 nethtsrv.exe 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe 1496 nethtsrv.exe 1496 nethtsrv.exe 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.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:
aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exedescription ioc process File created C:\Windows\SysWOW64\installd.exe aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe File created C:\Windows\SysWOW64\nethtsrv.exe aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe File created C:\Windows\SysWOW64\netupdsrv.exe aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe File created C:\Windows\SysWOW64\hfnapi.dll aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe File created C:\Windows\SysWOW64\hfpapi.dll aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe -
Drops file in Program Files directory 3 IoCs
Processes:
aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exedescription ioc process File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe File created C:\Program Files (x86)\Common Files\Config\data.xml aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.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 468 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 1496 nethtsrv.exe -
Suspicious use of WriteProcessMemory 50 IoCs
Processes:
aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exenet.exenet.exenet.exenet.exedescription pid process target process PID 1788 wrote to memory of 1000 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1788 wrote to memory of 1000 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1788 wrote to memory of 1000 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1788 wrote to memory of 1000 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1000 wrote to memory of 1244 1000 net.exe net1.exe PID 1000 wrote to memory of 1244 1000 net.exe net1.exe PID 1000 wrote to memory of 1244 1000 net.exe net1.exe PID 1000 wrote to memory of 1244 1000 net.exe net1.exe PID 1788 wrote to memory of 2028 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1788 wrote to memory of 2028 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1788 wrote to memory of 2028 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1788 wrote to memory of 2028 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 2028 wrote to memory of 1772 2028 net.exe net1.exe PID 2028 wrote to memory of 1772 2028 net.exe net1.exe PID 2028 wrote to memory of 1772 2028 net.exe net1.exe PID 2028 wrote to memory of 1772 2028 net.exe net1.exe PID 1788 wrote to memory of 2020 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe installd.exe PID 1788 wrote to memory of 2020 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe installd.exe PID 1788 wrote to memory of 2020 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe installd.exe PID 1788 wrote to memory of 2020 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe installd.exe PID 1788 wrote to memory of 2020 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe installd.exe PID 1788 wrote to memory of 2020 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe installd.exe PID 1788 wrote to memory of 2020 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe installd.exe PID 1788 wrote to memory of 668 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe nethtsrv.exe PID 1788 wrote to memory of 668 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe nethtsrv.exe PID 1788 wrote to memory of 668 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe nethtsrv.exe PID 1788 wrote to memory of 668 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe nethtsrv.exe PID 1788 wrote to memory of 1320 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe netupdsrv.exe PID 1788 wrote to memory of 1320 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe netupdsrv.exe PID 1788 wrote to memory of 1320 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe netupdsrv.exe PID 1788 wrote to memory of 1320 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe netupdsrv.exe PID 1788 wrote to memory of 1320 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe netupdsrv.exe PID 1788 wrote to memory of 1320 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe netupdsrv.exe PID 1788 wrote to memory of 1320 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe netupdsrv.exe PID 1788 wrote to memory of 1932 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1788 wrote to memory of 1932 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1788 wrote to memory of 1932 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1788 wrote to memory of 1932 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1932 wrote to memory of 1980 1932 net.exe net1.exe PID 1932 wrote to memory of 1980 1932 net.exe net1.exe PID 1932 wrote to memory of 1980 1932 net.exe net1.exe PID 1932 wrote to memory of 1980 1932 net.exe net1.exe PID 1788 wrote to memory of 1864 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1788 wrote to memory of 1864 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1788 wrote to memory of 1864 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1788 wrote to memory of 1864 1788 aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe net.exe PID 1864 wrote to memory of 972 1864 net.exe net1.exe PID 1864 wrote to memory of 972 1864 net.exe net1.exe PID 1864 wrote to memory of 972 1864 net.exe net1.exe PID 1864 wrote to memory of 972 1864 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.exe"C:\Users\Admin\AppData\Local\Temp\aaa61569b98601851c75d27aa39f63404efcf5bcb63482e312a55282b29340cd.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:1788 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:1244
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C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:1772
-
C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2020 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:668 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:1320 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:1980
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1864 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:972
-
C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:1496
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:1512
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
106KB
MD53a0e3c1b9937781e688085979d812bc0
SHA14fd8fdcc9f5f4d87a055cdc328d402ea82ec6086
SHA2561c717361d822d95db24019c8a500a67864ab04f319f9e069f58503b485b5ab8a
SHA512ad1a0378338f0bd4579fb4fd4b61f957aa7bd8d386bb7228445c5bb8691934ffe316904a9b106471da2a622c28a4644a5a95ef5c46711de8aabef90eec038958
-
Filesize
244KB
MD5fa0657de4e23e8006f184c6077263afd
SHA124c6a57691861d62eee9ace77794915013cf2ceb
SHA256c1878b384bbbac62fe7fd2e5f027cd289d387bacc159712343cff8a5f0d11f01
SHA5128faa40761151783a0b314e8ddbadb28225c95993e0042446be741990e8fde78250e7c793422637c60c6389b010cac752d0eab54f1a5947293594877a3c74e28b
-
Filesize
108KB
MD5b6ec9ea13ce80e181e93a518c0dba0c8
SHA1ec9ecd02c9c5cbb57c650cad36dde7c9d248c902
SHA256ce4839b0fcb03816ae423684a61466a3b6036115af5e00658f2548816d80583c
SHA512f318ca83866f38cf32f2937e9430fdd7fa14864a0749df87466c8bb56a24c0c0002bf7f73af156f833a53690c562e24a7dd7dfd7f254fd4c3dc803e9c6888397
-
Filesize
176KB
MD5a4c6eddea88f01871a5b4484610d6ed5
SHA136221db01ead1cbe6a03f5319c8d1846f535d963
SHA2561d5a3d85f48324d4f6819a2335b619d3217675956972ca37f384b5755a55bd5f
SHA512c724f047abd6b3e63a3f5bf23d358fd4c2e1672b56146035cb1acec84c262c58ea26a564b74e2fd10d5208659d1da1d1eded4003ad03834f46c65036b321607e
-
Filesize
176KB
MD5a4c6eddea88f01871a5b4484610d6ed5
SHA136221db01ead1cbe6a03f5319c8d1846f535d963
SHA2561d5a3d85f48324d4f6819a2335b619d3217675956972ca37f384b5755a55bd5f
SHA512c724f047abd6b3e63a3f5bf23d358fd4c2e1672b56146035cb1acec84c262c58ea26a564b74e2fd10d5208659d1da1d1eded4003ad03834f46c65036b321607e
-
Filesize
158KB
MD56968bdd9c207b7535e890fd821509c2b
SHA12479c44fadad6a79ef879c2fadf91ac065b717fd
SHA2568a78da2d955f5971e728e611608cd12cf10dcfe93ebb66fa56a60a34540ea246
SHA51241775b98490b826c6382bd9bf4561b4a661165909c7fb1969acb09d9ace9e3be7b480902e2e379970f02dfeb2e89c9983d45772f40f98c3f2e063c26f00ef654
-
Filesize
158KB
MD56968bdd9c207b7535e890fd821509c2b
SHA12479c44fadad6a79ef879c2fadf91ac065b717fd
SHA2568a78da2d955f5971e728e611608cd12cf10dcfe93ebb66fa56a60a34540ea246
SHA51241775b98490b826c6382bd9bf4561b4a661165909c7fb1969acb09d9ace9e3be7b480902e2e379970f02dfeb2e89c9983d45772f40f98c3f2e063c26f00ef654
-
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
MD53a0e3c1b9937781e688085979d812bc0
SHA14fd8fdcc9f5f4d87a055cdc328d402ea82ec6086
SHA2561c717361d822d95db24019c8a500a67864ab04f319f9e069f58503b485b5ab8a
SHA512ad1a0378338f0bd4579fb4fd4b61f957aa7bd8d386bb7228445c5bb8691934ffe316904a9b106471da2a622c28a4644a5a95ef5c46711de8aabef90eec038958
-
Filesize
106KB
MD53a0e3c1b9937781e688085979d812bc0
SHA14fd8fdcc9f5f4d87a055cdc328d402ea82ec6086
SHA2561c717361d822d95db24019c8a500a67864ab04f319f9e069f58503b485b5ab8a
SHA512ad1a0378338f0bd4579fb4fd4b61f957aa7bd8d386bb7228445c5bb8691934ffe316904a9b106471da2a622c28a4644a5a95ef5c46711de8aabef90eec038958
-
Filesize
106KB
MD53a0e3c1b9937781e688085979d812bc0
SHA14fd8fdcc9f5f4d87a055cdc328d402ea82ec6086
SHA2561c717361d822d95db24019c8a500a67864ab04f319f9e069f58503b485b5ab8a
SHA512ad1a0378338f0bd4579fb4fd4b61f957aa7bd8d386bb7228445c5bb8691934ffe316904a9b106471da2a622c28a4644a5a95ef5c46711de8aabef90eec038958
-
Filesize
244KB
MD5fa0657de4e23e8006f184c6077263afd
SHA124c6a57691861d62eee9ace77794915013cf2ceb
SHA256c1878b384bbbac62fe7fd2e5f027cd289d387bacc159712343cff8a5f0d11f01
SHA5128faa40761151783a0b314e8ddbadb28225c95993e0042446be741990e8fde78250e7c793422637c60c6389b010cac752d0eab54f1a5947293594877a3c74e28b
-
Filesize
244KB
MD5fa0657de4e23e8006f184c6077263afd
SHA124c6a57691861d62eee9ace77794915013cf2ceb
SHA256c1878b384bbbac62fe7fd2e5f027cd289d387bacc159712343cff8a5f0d11f01
SHA5128faa40761151783a0b314e8ddbadb28225c95993e0042446be741990e8fde78250e7c793422637c60c6389b010cac752d0eab54f1a5947293594877a3c74e28b
-
Filesize
108KB
MD5b6ec9ea13ce80e181e93a518c0dba0c8
SHA1ec9ecd02c9c5cbb57c650cad36dde7c9d248c902
SHA256ce4839b0fcb03816ae423684a61466a3b6036115af5e00658f2548816d80583c
SHA512f318ca83866f38cf32f2937e9430fdd7fa14864a0749df87466c8bb56a24c0c0002bf7f73af156f833a53690c562e24a7dd7dfd7f254fd4c3dc803e9c6888397
-
Filesize
176KB
MD5a4c6eddea88f01871a5b4484610d6ed5
SHA136221db01ead1cbe6a03f5319c8d1846f535d963
SHA2561d5a3d85f48324d4f6819a2335b619d3217675956972ca37f384b5755a55bd5f
SHA512c724f047abd6b3e63a3f5bf23d358fd4c2e1672b56146035cb1acec84c262c58ea26a564b74e2fd10d5208659d1da1d1eded4003ad03834f46c65036b321607e
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Filesize
158KB
MD56968bdd9c207b7535e890fd821509c2b
SHA12479c44fadad6a79ef879c2fadf91ac065b717fd
SHA2568a78da2d955f5971e728e611608cd12cf10dcfe93ebb66fa56a60a34540ea246
SHA51241775b98490b826c6382bd9bf4561b4a661165909c7fb1969acb09d9ace9e3be7b480902e2e379970f02dfeb2e89c9983d45772f40f98c3f2e063c26f00ef654