Analysis
-
max time kernel
37s -
max time network
41s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 10:17
Static task
static1
Behavioral task
behavioral1
Sample
a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe
Resource
win10v2004-20221111-en
General
-
Target
a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe
-
Size
601KB
-
MD5
635d1dc3cec7845739198dc5d899744d
-
SHA1
0ba6aa10917ad64f2554f9fbf68746d21468c196
-
SHA256
a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023
-
SHA512
f72b67137fcbeda78a21bf1620bba9aabfedee79d8f2d26b00b6b8a1bc7e00e6367be7909d480a747101ac156010f5c0855e6eb50a157eb61026050710cc4588
-
SSDEEP
12288:uIny5DYTSqVi1q/MVhcCmQ2g41cCKgAWR9tFFG1et:wUTSqiY/8hcC2g41tKIHG
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 1188 installd.exe 820 nethtsrv.exe 1072 netupdsrv.exe 1784 nethtsrv.exe 1700 netupdsrv.exe -
Loads dropped DLL 13 IoCs
Processes:
a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exeinstalld.exenethtsrv.exenethtsrv.exepid process 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe 1188 installd.exe 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe 820 nethtsrv.exe 820 nethtsrv.exe 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe 1784 nethtsrv.exe 1784 nethtsrv.exe 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.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:
a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exedescription ioc process File created C:\Windows\SysWOW64\hfnapi.dll a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe File created C:\Windows\SysWOW64\hfpapi.dll a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe File created C:\Windows\SysWOW64\installd.exe a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe File created C:\Windows\SysWOW64\nethtsrv.exe a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe File created C:\Windows\SysWOW64\netupdsrv.exe a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe -
Drops file in Program Files directory 3 IoCs
Processes:
a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.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 464 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 1784 nethtsrv.exe -
Suspicious use of WriteProcessMemory 50 IoCs
Processes:
a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exenet.exenet.exenet.exenet.exedescription pid process target process PID 1672 wrote to memory of 2036 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 1672 wrote to memory of 2036 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 1672 wrote to memory of 2036 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 1672 wrote to memory of 2036 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 2036 wrote to memory of 1608 2036 net.exe net1.exe PID 2036 wrote to memory of 1608 2036 net.exe net1.exe PID 2036 wrote to memory of 1608 2036 net.exe net1.exe PID 2036 wrote to memory of 1608 2036 net.exe net1.exe PID 1672 wrote to memory of 760 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 1672 wrote to memory of 760 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 1672 wrote to memory of 760 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 1672 wrote to memory of 760 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 760 wrote to memory of 1656 760 net.exe net1.exe PID 760 wrote to memory of 1656 760 net.exe net1.exe PID 760 wrote to memory of 1656 760 net.exe net1.exe PID 760 wrote to memory of 1656 760 net.exe net1.exe PID 1672 wrote to memory of 1188 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe installd.exe PID 1672 wrote to memory of 1188 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe installd.exe PID 1672 wrote to memory of 1188 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe installd.exe PID 1672 wrote to memory of 1188 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe installd.exe PID 1672 wrote to memory of 1188 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe installd.exe PID 1672 wrote to memory of 1188 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe installd.exe PID 1672 wrote to memory of 1188 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe installd.exe PID 1672 wrote to memory of 820 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe nethtsrv.exe PID 1672 wrote to memory of 820 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe nethtsrv.exe PID 1672 wrote to memory of 820 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe nethtsrv.exe PID 1672 wrote to memory of 820 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe nethtsrv.exe PID 1672 wrote to memory of 1072 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe netupdsrv.exe PID 1672 wrote to memory of 1072 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe netupdsrv.exe PID 1672 wrote to memory of 1072 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe netupdsrv.exe PID 1672 wrote to memory of 1072 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe netupdsrv.exe PID 1672 wrote to memory of 1072 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe netupdsrv.exe PID 1672 wrote to memory of 1072 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe netupdsrv.exe PID 1672 wrote to memory of 1072 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe netupdsrv.exe PID 1672 wrote to memory of 1664 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 1672 wrote to memory of 1664 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 1672 wrote to memory of 1664 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 1672 wrote to memory of 1664 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 1664 wrote to memory of 1676 1664 net.exe net1.exe PID 1664 wrote to memory of 1676 1664 net.exe net1.exe PID 1664 wrote to memory of 1676 1664 net.exe net1.exe PID 1664 wrote to memory of 1676 1664 net.exe net1.exe PID 1672 wrote to memory of 828 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 1672 wrote to memory of 828 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 1672 wrote to memory of 828 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 1672 wrote to memory of 828 1672 a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe net.exe PID 828 wrote to memory of 1504 828 net.exe net1.exe PID 828 wrote to memory of 1504 828 net.exe net1.exe PID 828 wrote to memory of 1504 828 net.exe net1.exe PID 828 wrote to memory of 1504 828 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.exe"C:\Users\Admin\AppData\Local\Temp\a0f151c043438801928169f3472a49ede436bba6e2ba548e70547fc213f0c023.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:1672 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:1608
-
C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:1656
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C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1188 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:820 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:1072 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:1676
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:828 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:1504
-
C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:1784
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:1700
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
106KB
MD563e731e10cd6e98c5192dc6426fb3394
SHA1fc0965404869f23d0b13d8d50ac938a5618ac487
SHA25696eb603ae426a3b4eb7f45abf6b2a27020602631acbd62037ff4963d0114119d
SHA51225838ee075998d0e3063662556f63b899d90b9560bd3ab33859489ffc096f4c8e15bb1662ff4a09353e86e97efca539725a6baf61dff3bd09167b2355934861b
-
Filesize
241KB
MD507c38349b47817b604a077a3d58d8eff
SHA1e8a89cf37c75a9a0e088303422d3cab4ecb2b58b
SHA256f251ee9fcd97b375425c29507980eb43f83d2fb6963ee8f70adac2e64593fb00
SHA5128624a3342e403733f0a49235dbe53f17b4d17abdcd67d0b1f175062b0a44f51be221c8c9bff1be4f888f5026b20cffa2c67ee8f96bbcc6726c42f944c69aa53d
-
Filesize
108KB
MD56996f04ea820d894df875a21d2538911
SHA1016c6e658305fc7d19cfbbdb5cfe808f91a7510d
SHA25644e41737f11f5563a5dd88e53ba2ba1b3cc1610372cea4b41f86d27d2b076af6
SHA5125e0b3e0ec75f984e26fa355ecfce99101da755456b587d7d00d45ba04947aedd866be34fdfde242d4e7a0072de159bea402460d1afebcf124905e5e67419ec34
-
Filesize
176KB
MD5827316d31f81a35cbefc92fe93a2d05f
SHA10f5aefa46210394752abe59664b57c22ed41429c
SHA256136bcbd9f3d99bf27e4e6581fca0c9a72d16da8aea812b522c003830ad56fc19
SHA512b3ef5e19b7950bce6f5115dbdfcd09ad9af8270e808cac9f9023ac3478b353e210a6d504bbf0dfbfd33b4afc7be1396e245026046558f1880ba811f2a249ed3c
-
Filesize
176KB
MD5827316d31f81a35cbefc92fe93a2d05f
SHA10f5aefa46210394752abe59664b57c22ed41429c
SHA256136bcbd9f3d99bf27e4e6581fca0c9a72d16da8aea812b522c003830ad56fc19
SHA512b3ef5e19b7950bce6f5115dbdfcd09ad9af8270e808cac9f9023ac3478b353e210a6d504bbf0dfbfd33b4afc7be1396e245026046558f1880ba811f2a249ed3c
-
Filesize
158KB
MD5eef852424663048caff8839e49b30d17
SHA1099de914f75e2d8a9cb269bba6db396852e4b5ea
SHA2566ee11e61dd4073a78022e92e4abc5a2cc06763f9a2c6db13f249881496540f08
SHA51242ef6c74d65503f5cb3b198bc3a1278336b81ba9c1d6d0d5a910a0518458da5664de9b02eff8f94273c2aced428eff6f61613cb726febc50498bf00b44ae15f4
-
Filesize
158KB
MD5eef852424663048caff8839e49b30d17
SHA1099de914f75e2d8a9cb269bba6db396852e4b5ea
SHA2566ee11e61dd4073a78022e92e4abc5a2cc06763f9a2c6db13f249881496540f08
SHA51242ef6c74d65503f5cb3b198bc3a1278336b81ba9c1d6d0d5a910a0518458da5664de9b02eff8f94273c2aced428eff6f61613cb726febc50498bf00b44ae15f4
-
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
MD563e731e10cd6e98c5192dc6426fb3394
SHA1fc0965404869f23d0b13d8d50ac938a5618ac487
SHA25696eb603ae426a3b4eb7f45abf6b2a27020602631acbd62037ff4963d0114119d
SHA51225838ee075998d0e3063662556f63b899d90b9560bd3ab33859489ffc096f4c8e15bb1662ff4a09353e86e97efca539725a6baf61dff3bd09167b2355934861b
-
Filesize
106KB
MD563e731e10cd6e98c5192dc6426fb3394
SHA1fc0965404869f23d0b13d8d50ac938a5618ac487
SHA25696eb603ae426a3b4eb7f45abf6b2a27020602631acbd62037ff4963d0114119d
SHA51225838ee075998d0e3063662556f63b899d90b9560bd3ab33859489ffc096f4c8e15bb1662ff4a09353e86e97efca539725a6baf61dff3bd09167b2355934861b
-
Filesize
106KB
MD563e731e10cd6e98c5192dc6426fb3394
SHA1fc0965404869f23d0b13d8d50ac938a5618ac487
SHA25696eb603ae426a3b4eb7f45abf6b2a27020602631acbd62037ff4963d0114119d
SHA51225838ee075998d0e3063662556f63b899d90b9560bd3ab33859489ffc096f4c8e15bb1662ff4a09353e86e97efca539725a6baf61dff3bd09167b2355934861b
-
Filesize
241KB
MD507c38349b47817b604a077a3d58d8eff
SHA1e8a89cf37c75a9a0e088303422d3cab4ecb2b58b
SHA256f251ee9fcd97b375425c29507980eb43f83d2fb6963ee8f70adac2e64593fb00
SHA5128624a3342e403733f0a49235dbe53f17b4d17abdcd67d0b1f175062b0a44f51be221c8c9bff1be4f888f5026b20cffa2c67ee8f96bbcc6726c42f944c69aa53d
-
Filesize
241KB
MD507c38349b47817b604a077a3d58d8eff
SHA1e8a89cf37c75a9a0e088303422d3cab4ecb2b58b
SHA256f251ee9fcd97b375425c29507980eb43f83d2fb6963ee8f70adac2e64593fb00
SHA5128624a3342e403733f0a49235dbe53f17b4d17abdcd67d0b1f175062b0a44f51be221c8c9bff1be4f888f5026b20cffa2c67ee8f96bbcc6726c42f944c69aa53d
-
Filesize
108KB
MD56996f04ea820d894df875a21d2538911
SHA1016c6e658305fc7d19cfbbdb5cfe808f91a7510d
SHA25644e41737f11f5563a5dd88e53ba2ba1b3cc1610372cea4b41f86d27d2b076af6
SHA5125e0b3e0ec75f984e26fa355ecfce99101da755456b587d7d00d45ba04947aedd866be34fdfde242d4e7a0072de159bea402460d1afebcf124905e5e67419ec34
-
Filesize
176KB
MD5827316d31f81a35cbefc92fe93a2d05f
SHA10f5aefa46210394752abe59664b57c22ed41429c
SHA256136bcbd9f3d99bf27e4e6581fca0c9a72d16da8aea812b522c003830ad56fc19
SHA512b3ef5e19b7950bce6f5115dbdfcd09ad9af8270e808cac9f9023ac3478b353e210a6d504bbf0dfbfd33b4afc7be1396e245026046558f1880ba811f2a249ed3c
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Filesize
158KB
MD5eef852424663048caff8839e49b30d17
SHA1099de914f75e2d8a9cb269bba6db396852e4b5ea
SHA2566ee11e61dd4073a78022e92e4abc5a2cc06763f9a2c6db13f249881496540f08
SHA51242ef6c74d65503f5cb3b198bc3a1278336b81ba9c1d6d0d5a910a0518458da5664de9b02eff8f94273c2aced428eff6f61613cb726febc50498bf00b44ae15f4