Analysis
-
max time kernel
135s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 10:50
Static task
static1
Behavioral task
behavioral1
Sample
f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe
Resource
win10v2004-20220812-en
General
-
Target
f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe
-
Size
447KB
-
MD5
1fd075d9c181cd60503133afd6fc1074
-
SHA1
5d1fd26f65137ff87baf0405f63b7de2641268cb
-
SHA256
f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488
-
SHA512
32c253cca1a377a0f1ea31b406654985e4c585ae470012264d3a2bae5686c1b21e3fe47b1e30f1370a6ee35887698caaccadd2b2f64ce655c1860f40d0027d3b
-
SSDEEP
12288:LEYkDbup4feoRvfuD0fphdwQRTPCbxSWg1eHQL60ab:LvIjPvPNwQRTPT1uQ6
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 3360 installd.exe 3140 nethtsrv.exe 1104 netupdsrv.exe 552 nethtsrv.exe 3512 netupdsrv.exe -
Loads dropped DLL 14 IoCs
Processes:
f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exeinstalld.exenethtsrv.exenethtsrv.exepid process 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe 3360 installd.exe 3140 nethtsrv.exe 3140 nethtsrv.exe 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe 552 nethtsrv.exe 552 nethtsrv.exe 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.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:
f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exedescription ioc process File created C:\Windows\SysWOW64\installd.exe f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe File created C:\Windows\SysWOW64\nethtsrv.exe f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe File created C:\Windows\SysWOW64\netupdsrv.exe f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe File created C:\Windows\SysWOW64\hfnapi.dll f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe File created C:\Windows\SysWOW64\hfpapi.dll f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe -
Drops file in Program Files directory 3 IoCs
Processes:
f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.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 552 nethtsrv.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exenet.exenet.exenet.exenet.exedescription pid process target process PID 2008 wrote to memory of 2700 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe net.exe PID 2008 wrote to memory of 2700 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe net.exe PID 2008 wrote to memory of 2700 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe net.exe PID 2700 wrote to memory of 1576 2700 net.exe net1.exe PID 2700 wrote to memory of 1576 2700 net.exe net1.exe PID 2700 wrote to memory of 1576 2700 net.exe net1.exe PID 2008 wrote to memory of 1136 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe net.exe PID 2008 wrote to memory of 1136 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe net.exe PID 2008 wrote to memory of 1136 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe net.exe PID 1136 wrote to memory of 5032 1136 net.exe net1.exe PID 1136 wrote to memory of 5032 1136 net.exe net1.exe PID 1136 wrote to memory of 5032 1136 net.exe net1.exe PID 2008 wrote to memory of 3360 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe installd.exe PID 2008 wrote to memory of 3360 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe installd.exe PID 2008 wrote to memory of 3360 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe installd.exe PID 2008 wrote to memory of 3140 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe nethtsrv.exe PID 2008 wrote to memory of 3140 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe nethtsrv.exe PID 2008 wrote to memory of 3140 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe nethtsrv.exe PID 2008 wrote to memory of 1104 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe netupdsrv.exe PID 2008 wrote to memory of 1104 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe netupdsrv.exe PID 2008 wrote to memory of 1104 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe netupdsrv.exe PID 2008 wrote to memory of 1852 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe net.exe PID 2008 wrote to memory of 1852 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe net.exe PID 2008 wrote to memory of 1852 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe net.exe PID 1852 wrote to memory of 1052 1852 net.exe net1.exe PID 1852 wrote to memory of 1052 1852 net.exe net1.exe PID 1852 wrote to memory of 1052 1852 net.exe net1.exe PID 2008 wrote to memory of 344 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe net.exe PID 2008 wrote to memory of 344 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe net.exe PID 2008 wrote to memory of 344 2008 f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe net.exe PID 344 wrote to memory of 2376 344 net.exe net1.exe PID 344 wrote to memory of 2376 344 net.exe net1.exe PID 344 wrote to memory of 2376 344 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.exe"C:\Users\Admin\AppData\Local\Temp\f28777e3e28878bae5b3340771a3e6afdc344a87b69351cd4482d24734235488.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:2008 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:2700 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:1576
-
C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1136 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:5032
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C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3360 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3140 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:1104 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:1052
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:344 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:2376
-
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:552
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:3512
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
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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
106KB
MD544b85640735efb689c9b1ee7ebd56ad0
SHA1313115ed8bb1ee19e0afd88a420ac0b369429fe8
SHA25611c7197d8c6ccfd50f60f5a5f7dc1e136904e643fad9b3d5fb8936412df08476
SHA512a40332c423b2402957550e495166241a4eb2812fb2bb82184c6e501fca7ff072aa5b1261c1d3aae2b40a6a58ab4afecbfbe8edab69946cab76cff0278826c41e
-
Filesize
106KB
MD544b85640735efb689c9b1ee7ebd56ad0
SHA1313115ed8bb1ee19e0afd88a420ac0b369429fe8
SHA25611c7197d8c6ccfd50f60f5a5f7dc1e136904e643fad9b3d5fb8936412df08476
SHA512a40332c423b2402957550e495166241a4eb2812fb2bb82184c6e501fca7ff072aa5b1261c1d3aae2b40a6a58ab4afecbfbe8edab69946cab76cff0278826c41e
-
Filesize
106KB
MD544b85640735efb689c9b1ee7ebd56ad0
SHA1313115ed8bb1ee19e0afd88a420ac0b369429fe8
SHA25611c7197d8c6ccfd50f60f5a5f7dc1e136904e643fad9b3d5fb8936412df08476
SHA512a40332c423b2402957550e495166241a4eb2812fb2bb82184c6e501fca7ff072aa5b1261c1d3aae2b40a6a58ab4afecbfbe8edab69946cab76cff0278826c41e
-
Filesize
106KB
MD544b85640735efb689c9b1ee7ebd56ad0
SHA1313115ed8bb1ee19e0afd88a420ac0b369429fe8
SHA25611c7197d8c6ccfd50f60f5a5f7dc1e136904e643fad9b3d5fb8936412df08476
SHA512a40332c423b2402957550e495166241a4eb2812fb2bb82184c6e501fca7ff072aa5b1261c1d3aae2b40a6a58ab4afecbfbe8edab69946cab76cff0278826c41e
-
Filesize
244KB
MD560f1a0c21bfe66e80838dc3400405319
SHA19c60d08d79b65ddb4c9492efa5d27d712b1ca924
SHA256ab805719ba29586db6b7ccdf2f1a2807d3cfa576fa2f5757dcf6a0901c323a1d
SHA5124256cf0afa2827ad948ba83c9e26d52cd3805ef05c00abacc9cb3245f203328d9b9bf195b46bb4c2e6338b16a4540f79a1a16f79a5eee73e219d52f0d4209f9a
-
Filesize
244KB
MD560f1a0c21bfe66e80838dc3400405319
SHA19c60d08d79b65ddb4c9492efa5d27d712b1ca924
SHA256ab805719ba29586db6b7ccdf2f1a2807d3cfa576fa2f5757dcf6a0901c323a1d
SHA5124256cf0afa2827ad948ba83c9e26d52cd3805ef05c00abacc9cb3245f203328d9b9bf195b46bb4c2e6338b16a4540f79a1a16f79a5eee73e219d52f0d4209f9a
-
Filesize
244KB
MD560f1a0c21bfe66e80838dc3400405319
SHA19c60d08d79b65ddb4c9492efa5d27d712b1ca924
SHA256ab805719ba29586db6b7ccdf2f1a2807d3cfa576fa2f5757dcf6a0901c323a1d
SHA5124256cf0afa2827ad948ba83c9e26d52cd3805ef05c00abacc9cb3245f203328d9b9bf195b46bb4c2e6338b16a4540f79a1a16f79a5eee73e219d52f0d4209f9a
-
Filesize
108KB
MD54f17f920cacc57f59990524c9f92af65
SHA1447991fb7c32c2a7182a312547fd76dc88c8d77d
SHA25637d796e53dfb2d17b4e9922d3301533b46e1d564f02892483051a865cbc1605d
SHA512ebb15a37740d209e8a02499337e98bef706784bc557bc080c542f16537be5387e2c2575bea1b8f8b3772fbdd688a9022603de4555afa85803588be5ec7022998
-
Filesize
108KB
MD54f17f920cacc57f59990524c9f92af65
SHA1447991fb7c32c2a7182a312547fd76dc88c8d77d
SHA25637d796e53dfb2d17b4e9922d3301533b46e1d564f02892483051a865cbc1605d
SHA512ebb15a37740d209e8a02499337e98bef706784bc557bc080c542f16537be5387e2c2575bea1b8f8b3772fbdd688a9022603de4555afa85803588be5ec7022998
-
Filesize
176KB
MD511175ba8fe043b038ba173d8f25d19c2
SHA12a1778c42d7770475efc26b93ef4fa8ae2175a77
SHA256fc2b96bb102239a182b88d515da276fc2ac5cfb76300bb85b176306025ceb2a8
SHA512afb8c9c289a48c550e5a7383be3218e4d29778dd56b5ab3c56aa9f88df3a87f77d671b2c02c2f619cc18b3772448c72bda2bcd68f5791f57b0a2e3ae5e37c83b
-
Filesize
176KB
MD511175ba8fe043b038ba173d8f25d19c2
SHA12a1778c42d7770475efc26b93ef4fa8ae2175a77
SHA256fc2b96bb102239a182b88d515da276fc2ac5cfb76300bb85b176306025ceb2a8
SHA512afb8c9c289a48c550e5a7383be3218e4d29778dd56b5ab3c56aa9f88df3a87f77d671b2c02c2f619cc18b3772448c72bda2bcd68f5791f57b0a2e3ae5e37c83b
-
Filesize
176KB
MD511175ba8fe043b038ba173d8f25d19c2
SHA12a1778c42d7770475efc26b93ef4fa8ae2175a77
SHA256fc2b96bb102239a182b88d515da276fc2ac5cfb76300bb85b176306025ceb2a8
SHA512afb8c9c289a48c550e5a7383be3218e4d29778dd56b5ab3c56aa9f88df3a87f77d671b2c02c2f619cc18b3772448c72bda2bcd68f5791f57b0a2e3ae5e37c83b
-
Filesize
159KB
MD5c30dc0aacda21c30a0cda6bd40d615bd
SHA1aea707217b9a9e674d1f4aaa97ad588ff51fa971
SHA2565eaf41072de0fc7d56a847b02dbf867bf64c4ed3a9609cdfe4e66487b909e674
SHA51288e6ee58c3e784d065f24956e57acf192a0ba089395b61463c4c52c4ca1b526591084ad6775a8a65f315425aec0b1eb0640d6538213edce8d96dfbea78988b22
-
Filesize
159KB
MD5c30dc0aacda21c30a0cda6bd40d615bd
SHA1aea707217b9a9e674d1f4aaa97ad588ff51fa971
SHA2565eaf41072de0fc7d56a847b02dbf867bf64c4ed3a9609cdfe4e66487b909e674
SHA51288e6ee58c3e784d065f24956e57acf192a0ba089395b61463c4c52c4ca1b526591084ad6775a8a65f315425aec0b1eb0640d6538213edce8d96dfbea78988b22
-
Filesize
159KB
MD5c30dc0aacda21c30a0cda6bd40d615bd
SHA1aea707217b9a9e674d1f4aaa97ad588ff51fa971
SHA2565eaf41072de0fc7d56a847b02dbf867bf64c4ed3a9609cdfe4e66487b909e674
SHA51288e6ee58c3e784d065f24956e57acf192a0ba089395b61463c4c52c4ca1b526591084ad6775a8a65f315425aec0b1eb0640d6538213edce8d96dfbea78988b22