Analysis
-
max time kernel
22s -
max time network
45s -
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
ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe
Resource
win10v2004-20220812-en
General
-
Target
ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe
-
Size
602KB
-
MD5
83552a277e7339b1d3b475e55448fadb
-
SHA1
dcc2e28910496387eec41bb216d906eedef9fa6f
-
SHA256
ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11
-
SHA512
d094e44d426de6755525efe361c643715a660fbd3411c488dea08e534149a68e248e026f284ec3169cf6d017ac0a72e703c1148e373c6de348594cd67c76e731
-
SSDEEP
12288:RIny5DYTgKTneaiFQlSjU5FTVY7txWO4QkIcFsD:tUTgeea986Fu7D4QeCD
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 288 installd.exe 1172 nethtsrv.exe 1624 netupdsrv.exe 1772 nethtsrv.exe 1420 netupdsrv.exe -
Loads dropped DLL 13 IoCs
Processes:
ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exeinstalld.exenethtsrv.exenethtsrv.exepid process 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe 288 installd.exe 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe 1172 nethtsrv.exe 1172 nethtsrv.exe 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe 1772 nethtsrv.exe 1772 nethtsrv.exe 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.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:
ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exedescription ioc process File created C:\Windows\SysWOW64\hfpapi.dll ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe File created C:\Windows\SysWOW64\installd.exe ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe File created C:\Windows\SysWOW64\nethtsrv.exe ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe File created C:\Windows\SysWOW64\netupdsrv.exe ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe File created C:\Windows\SysWOW64\hfnapi.dll ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe -
Drops file in Program Files directory 3 IoCs
Processes:
ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.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 460 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 1772 nethtsrv.exe -
Suspicious use of WriteProcessMemory 50 IoCs
Processes:
ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exenet.exenet.exenet.exenet.exedescription pid process target process PID 860 wrote to memory of 2028 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 860 wrote to memory of 2028 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 860 wrote to memory of 2028 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 860 wrote to memory of 2028 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 2028 wrote to memory of 1284 2028 net.exe net1.exe PID 2028 wrote to memory of 1284 2028 net.exe net1.exe PID 2028 wrote to memory of 1284 2028 net.exe net1.exe PID 2028 wrote to memory of 1284 2028 net.exe net1.exe PID 860 wrote to memory of 1828 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 860 wrote to memory of 1828 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 860 wrote to memory of 1828 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 860 wrote to memory of 1828 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 1828 wrote to memory of 2032 1828 net.exe net1.exe PID 1828 wrote to memory of 2032 1828 net.exe net1.exe PID 1828 wrote to memory of 2032 1828 net.exe net1.exe PID 1828 wrote to memory of 2032 1828 net.exe net1.exe PID 860 wrote to memory of 288 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe installd.exe PID 860 wrote to memory of 288 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe installd.exe PID 860 wrote to memory of 288 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe installd.exe PID 860 wrote to memory of 288 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe installd.exe PID 860 wrote to memory of 288 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe installd.exe PID 860 wrote to memory of 288 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe installd.exe PID 860 wrote to memory of 288 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe installd.exe PID 860 wrote to memory of 1172 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe nethtsrv.exe PID 860 wrote to memory of 1172 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe nethtsrv.exe PID 860 wrote to memory of 1172 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe nethtsrv.exe PID 860 wrote to memory of 1172 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe nethtsrv.exe PID 860 wrote to memory of 1624 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe netupdsrv.exe PID 860 wrote to memory of 1624 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe netupdsrv.exe PID 860 wrote to memory of 1624 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe netupdsrv.exe PID 860 wrote to memory of 1624 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe netupdsrv.exe PID 860 wrote to memory of 1624 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe netupdsrv.exe PID 860 wrote to memory of 1624 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe netupdsrv.exe PID 860 wrote to memory of 1624 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe netupdsrv.exe PID 860 wrote to memory of 1156 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 860 wrote to memory of 1156 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 860 wrote to memory of 1156 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 860 wrote to memory of 1156 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 1156 wrote to memory of 1744 1156 net.exe net1.exe PID 1156 wrote to memory of 1744 1156 net.exe net1.exe PID 1156 wrote to memory of 1744 1156 net.exe net1.exe PID 1156 wrote to memory of 1744 1156 net.exe net1.exe PID 860 wrote to memory of 1736 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 860 wrote to memory of 1736 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 860 wrote to memory of 1736 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 860 wrote to memory of 1736 860 ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe net.exe PID 1736 wrote to memory of 1608 1736 net.exe net1.exe PID 1736 wrote to memory of 1608 1736 net.exe net1.exe PID 1736 wrote to memory of 1608 1736 net.exe net1.exe PID 1736 wrote to memory of 1608 1736 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.exe"C:\Users\Admin\AppData\Local\Temp\ab7f04302b20217418f6c4780161bd06a7e4376f5903edb46487823c3b0aea11.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:860 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:1284
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C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1828 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:2032
-
C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:288 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1172 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:1624 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:1156 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:1744
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:1608
-
C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:1772
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:1420
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
106KB
MD5897c2d6026046da15b145308b8d49b11
SHA14f065a4959c14869074fdc21e29e509d5314089d
SHA256c264f87a63e69dba3a79aea78e1b7b121977df1ea88a57269e58449638e65ca6
SHA5124e055f28117f78de909ba1e83125bbd08a885ddb985867d9fa5b154a4e4d054ab3d6bbe55a16f016e8f0e4e13de94b22c4829355e00460f587c4227c405f8449
-
Filesize
241KB
MD5b01cd365e30232c46e339dc3dda43bca
SHA1bd8fdf2f7911cd4ad36d707aff5c73b20edf6931
SHA256d1b3d1fc04bd4b6fe9f482c4896819881682e0cc7ff03f609c524bfdc0ea684b
SHA5121324eb17547c624dc2a34084bc7fa8fbe02e4e6fca809294e0bb6f58106f2ff01555a18bd2be6e4460579e95447549425393f712258e8456194fcd285f57a719
-
Filesize
108KB
MD53dce1caf75cfb89addd708983662fd01
SHA15d6bade3a00aae5142c6bfb5148bdfa8bbe3ffea
SHA256fec2987760a9da1639708cb6e1385a0e7865a07c85ac471afdff17325a4a8fa6
SHA512721a015e0c28d790c337a999ef7a686f0fce7b56715e9a0c59eb9a20fda512364989aef08df3335a83e2276a1ef9c9497717df8b60ba35b8d2771704e839c34e
-
Filesize
176KB
MD5eedb9210bd9e3225c8c4b36a1b51b420
SHA1e3a4d20dbdfd1399072b0dd976c3d848e6dd8a43
SHA256e4b82c972cc65a3b154c22846f204eb63cdea0ccb6a805e882316bcdd76682e4
SHA5129bf1d3b2d319bbbe13b63f116a8c0dbd289f04844f9dbc99a73fda007bdcedc84a24b62bee6afa214c17f6c0baec6ec513f036f6deafa6cc735895a156ff8372
-
Filesize
176KB
MD5eedb9210bd9e3225c8c4b36a1b51b420
SHA1e3a4d20dbdfd1399072b0dd976c3d848e6dd8a43
SHA256e4b82c972cc65a3b154c22846f204eb63cdea0ccb6a805e882316bcdd76682e4
SHA5129bf1d3b2d319bbbe13b63f116a8c0dbd289f04844f9dbc99a73fda007bdcedc84a24b62bee6afa214c17f6c0baec6ec513f036f6deafa6cc735895a156ff8372
-
Filesize
159KB
MD5bc4982a42a5581db5f137758f16546a3
SHA16cf2067f4b5c480ac3e06e53d486b7584944c7c2
SHA25677b32f076945c5b4b0ae0ce61c147421a4e9892a430f07206a21239663842f29
SHA5121e9a00b5e178a04b2378828bf18be9f44c36b5f472a7a96a8de44e6a05db87a10005dc1672538d7acfc02bcb9615692c5514343b1c8545237bc6dccca67401be
-
Filesize
159KB
MD5bc4982a42a5581db5f137758f16546a3
SHA16cf2067f4b5c480ac3e06e53d486b7584944c7c2
SHA25677b32f076945c5b4b0ae0ce61c147421a4e9892a430f07206a21239663842f29
SHA5121e9a00b5e178a04b2378828bf18be9f44c36b5f472a7a96a8de44e6a05db87a10005dc1672538d7acfc02bcb9615692c5514343b1c8545237bc6dccca67401be
-
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
MD5897c2d6026046da15b145308b8d49b11
SHA14f065a4959c14869074fdc21e29e509d5314089d
SHA256c264f87a63e69dba3a79aea78e1b7b121977df1ea88a57269e58449638e65ca6
SHA5124e055f28117f78de909ba1e83125bbd08a885ddb985867d9fa5b154a4e4d054ab3d6bbe55a16f016e8f0e4e13de94b22c4829355e00460f587c4227c405f8449
-
Filesize
106KB
MD5897c2d6026046da15b145308b8d49b11
SHA14f065a4959c14869074fdc21e29e509d5314089d
SHA256c264f87a63e69dba3a79aea78e1b7b121977df1ea88a57269e58449638e65ca6
SHA5124e055f28117f78de909ba1e83125bbd08a885ddb985867d9fa5b154a4e4d054ab3d6bbe55a16f016e8f0e4e13de94b22c4829355e00460f587c4227c405f8449
-
Filesize
106KB
MD5897c2d6026046da15b145308b8d49b11
SHA14f065a4959c14869074fdc21e29e509d5314089d
SHA256c264f87a63e69dba3a79aea78e1b7b121977df1ea88a57269e58449638e65ca6
SHA5124e055f28117f78de909ba1e83125bbd08a885ddb985867d9fa5b154a4e4d054ab3d6bbe55a16f016e8f0e4e13de94b22c4829355e00460f587c4227c405f8449
-
Filesize
241KB
MD5b01cd365e30232c46e339dc3dda43bca
SHA1bd8fdf2f7911cd4ad36d707aff5c73b20edf6931
SHA256d1b3d1fc04bd4b6fe9f482c4896819881682e0cc7ff03f609c524bfdc0ea684b
SHA5121324eb17547c624dc2a34084bc7fa8fbe02e4e6fca809294e0bb6f58106f2ff01555a18bd2be6e4460579e95447549425393f712258e8456194fcd285f57a719
-
Filesize
241KB
MD5b01cd365e30232c46e339dc3dda43bca
SHA1bd8fdf2f7911cd4ad36d707aff5c73b20edf6931
SHA256d1b3d1fc04bd4b6fe9f482c4896819881682e0cc7ff03f609c524bfdc0ea684b
SHA5121324eb17547c624dc2a34084bc7fa8fbe02e4e6fca809294e0bb6f58106f2ff01555a18bd2be6e4460579e95447549425393f712258e8456194fcd285f57a719
-
Filesize
108KB
MD53dce1caf75cfb89addd708983662fd01
SHA15d6bade3a00aae5142c6bfb5148bdfa8bbe3ffea
SHA256fec2987760a9da1639708cb6e1385a0e7865a07c85ac471afdff17325a4a8fa6
SHA512721a015e0c28d790c337a999ef7a686f0fce7b56715e9a0c59eb9a20fda512364989aef08df3335a83e2276a1ef9c9497717df8b60ba35b8d2771704e839c34e
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Filesize
176KB
MD5eedb9210bd9e3225c8c4b36a1b51b420
SHA1e3a4d20dbdfd1399072b0dd976c3d848e6dd8a43
SHA256e4b82c972cc65a3b154c22846f204eb63cdea0ccb6a805e882316bcdd76682e4
SHA5129bf1d3b2d319bbbe13b63f116a8c0dbd289f04844f9dbc99a73fda007bdcedc84a24b62bee6afa214c17f6c0baec6ec513f036f6deafa6cc735895a156ff8372
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Filesize
159KB
MD5bc4982a42a5581db5f137758f16546a3
SHA16cf2067f4b5c480ac3e06e53d486b7584944c7c2
SHA25677b32f076945c5b4b0ae0ce61c147421a4e9892a430f07206a21239663842f29
SHA5121e9a00b5e178a04b2378828bf18be9f44c36b5f472a7a96a8de44e6a05db87a10005dc1672538d7acfc02bcb9615692c5514343b1c8545237bc6dccca67401be