Analysis
-
max time kernel
62s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 10:31
Static task
static1
Behavioral task
behavioral1
Sample
266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe
Resource
win10v2004-20220901-en
General
-
Target
266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe
-
Size
602KB
-
MD5
8914d19e23b4b8935bfdd82cfe4564a3
-
SHA1
7f49587be3f797ecb93c76114ef07cc35059c0d5
-
SHA256
266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a
-
SHA512
cc2a1cc702ce94e67625bc77332f6ef6a315dd2b56dfb666971ee6b727543abfcde1852bb9e88beba18dbf154116c4e5b11ad2467bf3ac4ff821c41f4a3e555d
-
SSDEEP
12288:oIny5DYTuctf81KHZ14u6mYO6wlFs7fU8UT1UWg1WZBB7uEeG6SOG4:mUTurKHjP8dYs3UTO4ZBd4DSg
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 4988 installd.exe 3464 nethtsrv.exe 396 netupdsrv.exe 4388 nethtsrv.exe 5016 netupdsrv.exe -
Loads dropped DLL 14 IoCs
Processes:
266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exeinstalld.exenethtsrv.exenethtsrv.exepid process 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe 4988 installd.exe 3464 nethtsrv.exe 3464 nethtsrv.exe 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe 4388 nethtsrv.exe 4388 nethtsrv.exe 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.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:
266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exedescription ioc process File created C:\Windows\SysWOW64\hfnapi.dll 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe File created C:\Windows\SysWOW64\hfpapi.dll 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe File created C:\Windows\SysWOW64\installd.exe 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe File created C:\Windows\SysWOW64\nethtsrv.exe 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe File created C:\Windows\SysWOW64\netupdsrv.exe 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe -
Drops file in Program Files directory 3 IoCs
Processes:
266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies data under HKEY_USERS 1 IoCs
Processes:
nethtsrv.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections nethtsrv.exe -
Runs net.exe
-
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
pid process 656 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 4388 nethtsrv.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exenet.exenet.exenet.exenet.exedescription pid process target process PID 3704 wrote to memory of 452 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe net.exe PID 3704 wrote to memory of 452 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe net.exe PID 3704 wrote to memory of 452 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe net.exe PID 452 wrote to memory of 664 452 net.exe net1.exe PID 452 wrote to memory of 664 452 net.exe net1.exe PID 452 wrote to memory of 664 452 net.exe net1.exe PID 3704 wrote to memory of 1096 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe net.exe PID 3704 wrote to memory of 1096 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe net.exe PID 3704 wrote to memory of 1096 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe net.exe PID 1096 wrote to memory of 4908 1096 net.exe net1.exe PID 1096 wrote to memory of 4908 1096 net.exe net1.exe PID 1096 wrote to memory of 4908 1096 net.exe net1.exe PID 3704 wrote to memory of 4988 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe installd.exe PID 3704 wrote to memory of 4988 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe installd.exe PID 3704 wrote to memory of 4988 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe installd.exe PID 3704 wrote to memory of 3464 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe nethtsrv.exe PID 3704 wrote to memory of 3464 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe nethtsrv.exe PID 3704 wrote to memory of 3464 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe nethtsrv.exe PID 3704 wrote to memory of 396 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe netupdsrv.exe PID 3704 wrote to memory of 396 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe netupdsrv.exe PID 3704 wrote to memory of 396 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe netupdsrv.exe PID 3704 wrote to memory of 1236 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe net.exe PID 3704 wrote to memory of 1236 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe net.exe PID 3704 wrote to memory of 1236 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe net.exe PID 1236 wrote to memory of 1960 1236 net.exe net1.exe PID 1236 wrote to memory of 1960 1236 net.exe net1.exe PID 1236 wrote to memory of 1960 1236 net.exe net1.exe PID 3704 wrote to memory of 1820 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe net.exe PID 3704 wrote to memory of 1820 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe net.exe PID 3704 wrote to memory of 1820 3704 266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe net.exe PID 1820 wrote to memory of 2276 1820 net.exe net1.exe PID 1820 wrote to memory of 2276 1820 net.exe net1.exe PID 1820 wrote to memory of 2276 1820 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.exe"C:\Users\Admin\AppData\Local\Temp\266844d698b7a413cd59e029b30958739a88a6930de74299a29551ce05ef468a.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:3704 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:664
-
C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:4908
-
C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4988 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3464 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:396 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:1960
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:2276
-
C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:4388
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:5016
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
11KB
MD5c17103ae9072a06da581dec998343fc1
SHA1b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA256dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
SHA512d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
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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
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
MD54fa103af3aa269d39ae918770a3554fe
SHA112a4d73d5c4a748364147347fb2ed337a2629676
SHA2561a00155ae289c3d823e33e3fa6b69c24921b01e749597c04d078bef8b114bef1
SHA512e1838c6cd48b562b6b5926400f3de91838c422ce759ad63756d72b9680ed0401d756fc5aabd1064d7c401add1e27550caa3e29e9c014bbbc196ec967fad9d85f
-
Filesize
106KB
MD54fa103af3aa269d39ae918770a3554fe
SHA112a4d73d5c4a748364147347fb2ed337a2629676
SHA2561a00155ae289c3d823e33e3fa6b69c24921b01e749597c04d078bef8b114bef1
SHA512e1838c6cd48b562b6b5926400f3de91838c422ce759ad63756d72b9680ed0401d756fc5aabd1064d7c401add1e27550caa3e29e9c014bbbc196ec967fad9d85f
-
Filesize
106KB
MD54fa103af3aa269d39ae918770a3554fe
SHA112a4d73d5c4a748364147347fb2ed337a2629676
SHA2561a00155ae289c3d823e33e3fa6b69c24921b01e749597c04d078bef8b114bef1
SHA512e1838c6cd48b562b6b5926400f3de91838c422ce759ad63756d72b9680ed0401d756fc5aabd1064d7c401add1e27550caa3e29e9c014bbbc196ec967fad9d85f
-
Filesize
106KB
MD54fa103af3aa269d39ae918770a3554fe
SHA112a4d73d5c4a748364147347fb2ed337a2629676
SHA2561a00155ae289c3d823e33e3fa6b69c24921b01e749597c04d078bef8b114bef1
SHA512e1838c6cd48b562b6b5926400f3de91838c422ce759ad63756d72b9680ed0401d756fc5aabd1064d7c401add1e27550caa3e29e9c014bbbc196ec967fad9d85f
-
Filesize
241KB
MD558e0aafaecf3c75c15686285a9f1da58
SHA11921ffb00f11d5b65f4c26ea11559a85a8832d72
SHA256b4d52028ccc4afc828f5af70818e859529438912dd278179b96dd652e6e36f26
SHA512ee0ffd47fc0e0cc3ebddd8137bcfc7173b0277bc6d8d33ce1bf70ad5e641a7b4f2c74746dbf1e4056f3e16a98a7718efc311ea5ed72bc788bf9f0657a57902ee
-
Filesize
241KB
MD558e0aafaecf3c75c15686285a9f1da58
SHA11921ffb00f11d5b65f4c26ea11559a85a8832d72
SHA256b4d52028ccc4afc828f5af70818e859529438912dd278179b96dd652e6e36f26
SHA512ee0ffd47fc0e0cc3ebddd8137bcfc7173b0277bc6d8d33ce1bf70ad5e641a7b4f2c74746dbf1e4056f3e16a98a7718efc311ea5ed72bc788bf9f0657a57902ee
-
Filesize
241KB
MD558e0aafaecf3c75c15686285a9f1da58
SHA11921ffb00f11d5b65f4c26ea11559a85a8832d72
SHA256b4d52028ccc4afc828f5af70818e859529438912dd278179b96dd652e6e36f26
SHA512ee0ffd47fc0e0cc3ebddd8137bcfc7173b0277bc6d8d33ce1bf70ad5e641a7b4f2c74746dbf1e4056f3e16a98a7718efc311ea5ed72bc788bf9f0657a57902ee
-
Filesize
108KB
MD597b8b88d726ab0cc5b5b1f694964c1ca
SHA1b0c70d2dcd9467263149209d4b4b8d82693f33e4
SHA256dcb259b7e68acbb3bbc4fad0e58d87a3e57187b0c88d3c9a44f3420d72c33ecf
SHA5127a2983cd332b093f1813571116f1542835d2807d881f3f9325a6be4549ec6d8002a91024149541a95974545ae9013401ca00ea3adc52a9451b1c2c96f0e9dd74
-
Filesize
108KB
MD597b8b88d726ab0cc5b5b1f694964c1ca
SHA1b0c70d2dcd9467263149209d4b4b8d82693f33e4
SHA256dcb259b7e68acbb3bbc4fad0e58d87a3e57187b0c88d3c9a44f3420d72c33ecf
SHA5127a2983cd332b093f1813571116f1542835d2807d881f3f9325a6be4549ec6d8002a91024149541a95974545ae9013401ca00ea3adc52a9451b1c2c96f0e9dd74
-
Filesize
176KB
MD502bbe191c6a7f9eea91e6b2bb7d6465a
SHA17711c1459a2b3e92192e8112d6a5e9867204b876
SHA2561df0c2f4ae8151e910e2ef962a9fd8698e811eb3f07484c3d377bc05e124700a
SHA512b941ee6c7e26518bff140a0f368cca963d4ea3ae5946091101a487bbde1b8dce526e1c1f74706a85cadab2c9ead2944984011ef93e4c280bd6d10191eb61496f
-
Filesize
176KB
MD502bbe191c6a7f9eea91e6b2bb7d6465a
SHA17711c1459a2b3e92192e8112d6a5e9867204b876
SHA2561df0c2f4ae8151e910e2ef962a9fd8698e811eb3f07484c3d377bc05e124700a
SHA512b941ee6c7e26518bff140a0f368cca963d4ea3ae5946091101a487bbde1b8dce526e1c1f74706a85cadab2c9ead2944984011ef93e4c280bd6d10191eb61496f
-
Filesize
176KB
MD502bbe191c6a7f9eea91e6b2bb7d6465a
SHA17711c1459a2b3e92192e8112d6a5e9867204b876
SHA2561df0c2f4ae8151e910e2ef962a9fd8698e811eb3f07484c3d377bc05e124700a
SHA512b941ee6c7e26518bff140a0f368cca963d4ea3ae5946091101a487bbde1b8dce526e1c1f74706a85cadab2c9ead2944984011ef93e4c280bd6d10191eb61496f
-
Filesize
158KB
MD51183ba3b6a3ad39a7fec1d93dae6a646
SHA107187b0a8828f5b7bdc64f79e8fe0a1e1019dd37
SHA256e6e9a7e31f28161d5369603bca3df31838627de2979dfa60e7ef151f556a97f7
SHA512a24e6a8001626b4c8739b3ecf00e619ba0d3cbdd25c4a0cbb302b574f7ba01763f308daf92d2a1bde51c399bfee34e2865420c77fbbbfddc5b81c2697a353989
-
Filesize
158KB
MD51183ba3b6a3ad39a7fec1d93dae6a646
SHA107187b0a8828f5b7bdc64f79e8fe0a1e1019dd37
SHA256e6e9a7e31f28161d5369603bca3df31838627de2979dfa60e7ef151f556a97f7
SHA512a24e6a8001626b4c8739b3ecf00e619ba0d3cbdd25c4a0cbb302b574f7ba01763f308daf92d2a1bde51c399bfee34e2865420c77fbbbfddc5b81c2697a353989
-
Filesize
158KB
MD51183ba3b6a3ad39a7fec1d93dae6a646
SHA107187b0a8828f5b7bdc64f79e8fe0a1e1019dd37
SHA256e6e9a7e31f28161d5369603bca3df31838627de2979dfa60e7ef151f556a97f7
SHA512a24e6a8001626b4c8739b3ecf00e619ba0d3cbdd25c4a0cbb302b574f7ba01763f308daf92d2a1bde51c399bfee34e2865420c77fbbbfddc5b81c2697a353989