Analysis
-
max time kernel
153s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 10:26
Static task
static1
Behavioral task
behavioral1
Sample
49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe
Resource
win10v2004-20221111-en
General
-
Target
49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe
-
Size
601KB
-
MD5
a56f31a149f0f672ee1ec528a171668d
-
SHA1
65a20122287dfd1b03b6d8a1f5669518ee213593
-
SHA256
49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604
-
SHA512
db548361610322fd95756fe032fa921c1a94511dd15146ac0045c7d73715fdc2ec597d40727302542f65bfe465a88fe683752f8939d4bf253b0bc0acd636bf9e
-
SSDEEP
12288:XIny5DYT4xgZ71buQvJ0baRcw+qkdjN0wKI6QR:/UT4xg7bu1baZ+qkF6wj6S
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 2824 installd.exe 3796 nethtsrv.exe 4312 netupdsrv.exe 2156 nethtsrv.exe 5116 netupdsrv.exe -
Loads dropped DLL 14 IoCs
Processes:
49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exeinstalld.exenethtsrv.exenethtsrv.exepid process 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe 2824 installd.exe 3796 nethtsrv.exe 3796 nethtsrv.exe 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe 2156 nethtsrv.exe 2156 nethtsrv.exe 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.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:
49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exedescription ioc process File created C:\Windows\SysWOW64\hfnapi.dll 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe File created C:\Windows\SysWOW64\hfpapi.dll 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe File created C:\Windows\SysWOW64\installd.exe 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe File created C:\Windows\SysWOW64\nethtsrv.exe 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe File created C:\Windows\SysWOW64\netupdsrv.exe 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe -
Drops file in Program Files directory 3 IoCs
Processes:
49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.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 668 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
nethtsrv.exedescription pid process Token: SeDebugPrivilege 2156 nethtsrv.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exenet.exenet.exenet.exenet.exedescription pid process target process PID 952 wrote to memory of 2536 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe net.exe PID 952 wrote to memory of 2536 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe net.exe PID 952 wrote to memory of 2536 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe net.exe PID 2536 wrote to memory of 220 2536 net.exe net1.exe PID 2536 wrote to memory of 220 2536 net.exe net1.exe PID 2536 wrote to memory of 220 2536 net.exe net1.exe PID 952 wrote to memory of 544 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe net.exe PID 952 wrote to memory of 544 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe net.exe PID 952 wrote to memory of 544 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe net.exe PID 544 wrote to memory of 4760 544 net.exe net1.exe PID 544 wrote to memory of 4760 544 net.exe net1.exe PID 544 wrote to memory of 4760 544 net.exe net1.exe PID 952 wrote to memory of 2824 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe installd.exe PID 952 wrote to memory of 2824 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe installd.exe PID 952 wrote to memory of 2824 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe installd.exe PID 952 wrote to memory of 3796 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe nethtsrv.exe PID 952 wrote to memory of 3796 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe nethtsrv.exe PID 952 wrote to memory of 3796 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe nethtsrv.exe PID 952 wrote to memory of 4312 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe netupdsrv.exe PID 952 wrote to memory of 4312 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe netupdsrv.exe PID 952 wrote to memory of 4312 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe netupdsrv.exe PID 952 wrote to memory of 2724 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe net.exe PID 952 wrote to memory of 2724 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe net.exe PID 952 wrote to memory of 2724 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe net.exe PID 2724 wrote to memory of 2384 2724 net.exe net1.exe PID 2724 wrote to memory of 2384 2724 net.exe net1.exe PID 2724 wrote to memory of 2384 2724 net.exe net1.exe PID 952 wrote to memory of 2588 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe net.exe PID 952 wrote to memory of 2588 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe net.exe PID 952 wrote to memory of 2588 952 49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe net.exe PID 2588 wrote to memory of 3544 2588 net.exe net1.exe PID 2588 wrote to memory of 3544 2588 net.exe net1.exe PID 2588 wrote to memory of 3544 2588 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.exe"C:\Users\Admin\AppData\Local\Temp\49240577ac533c9058a1dc944623734f2467ae10a6f76af9c748bc7300df1604.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:952 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:220
-
C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:4760
-
C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2824 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3796 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:4312 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:2384
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:2588 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:3544
-
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:2156
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:5116
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
MD529e14f39cd2ba81487bfccc5fd43c9f7
SHA14c30ace02553d1c194715e17516f72960a187c68
SHA256b31c354410893aff706f9c9b38b951aa09a98053c05770233c07b62e8a0fcfca
SHA512cf8a476e7799e8aa935b3818ac22d6acf5b8676425b1ef4c6f95de19b98181ab192ee2bc034a155be3fd735debc6a7359ce1d2f25d6d36145f7a3c14820107b8
-
Filesize
106KB
MD529e14f39cd2ba81487bfccc5fd43c9f7
SHA14c30ace02553d1c194715e17516f72960a187c68
SHA256b31c354410893aff706f9c9b38b951aa09a98053c05770233c07b62e8a0fcfca
SHA512cf8a476e7799e8aa935b3818ac22d6acf5b8676425b1ef4c6f95de19b98181ab192ee2bc034a155be3fd735debc6a7359ce1d2f25d6d36145f7a3c14820107b8
-
Filesize
106KB
MD529e14f39cd2ba81487bfccc5fd43c9f7
SHA14c30ace02553d1c194715e17516f72960a187c68
SHA256b31c354410893aff706f9c9b38b951aa09a98053c05770233c07b62e8a0fcfca
SHA512cf8a476e7799e8aa935b3818ac22d6acf5b8676425b1ef4c6f95de19b98181ab192ee2bc034a155be3fd735debc6a7359ce1d2f25d6d36145f7a3c14820107b8
-
Filesize
106KB
MD529e14f39cd2ba81487bfccc5fd43c9f7
SHA14c30ace02553d1c194715e17516f72960a187c68
SHA256b31c354410893aff706f9c9b38b951aa09a98053c05770233c07b62e8a0fcfca
SHA512cf8a476e7799e8aa935b3818ac22d6acf5b8676425b1ef4c6f95de19b98181ab192ee2bc034a155be3fd735debc6a7359ce1d2f25d6d36145f7a3c14820107b8
-
Filesize
241KB
MD584d128ef3bbd826934557d4f3726c254
SHA13da19997f64dfb42c358a527aa8e816ced4e9e97
SHA256505aa499fcbe00b9b461f00d967e2d0b67cb15d6364671f037b6589e4b67b686
SHA51227e11a4d2e3b2b992c3a3988eba7848584b316ffa890506e47f2c7628f44e7a7553fbbd8d386cc376e13913ac492cbbf1d30d3148a30cd106d0d4672a3846cc3
-
Filesize
241KB
MD584d128ef3bbd826934557d4f3726c254
SHA13da19997f64dfb42c358a527aa8e816ced4e9e97
SHA256505aa499fcbe00b9b461f00d967e2d0b67cb15d6364671f037b6589e4b67b686
SHA51227e11a4d2e3b2b992c3a3988eba7848584b316ffa890506e47f2c7628f44e7a7553fbbd8d386cc376e13913ac492cbbf1d30d3148a30cd106d0d4672a3846cc3
-
Filesize
241KB
MD584d128ef3bbd826934557d4f3726c254
SHA13da19997f64dfb42c358a527aa8e816ced4e9e97
SHA256505aa499fcbe00b9b461f00d967e2d0b67cb15d6364671f037b6589e4b67b686
SHA51227e11a4d2e3b2b992c3a3988eba7848584b316ffa890506e47f2c7628f44e7a7553fbbd8d386cc376e13913ac492cbbf1d30d3148a30cd106d0d4672a3846cc3
-
Filesize
108KB
MD5bcecf24bbdd90bd339b60aee688cd1be
SHA15c50f85815af8f7d620278ab23151d4766ebf133
SHA25670f13ec8044b324af6393970ae12b631d47682e4c1f6a563bf58fd189f70971c
SHA512ea096504ab49ee223d34005ab78dfb5a9f709194aa0c7cae290d41e3accb63af237a852095e09c027e5111ce04af51e91ff278f4db77b31954a4670229e8428e
-
Filesize
108KB
MD5bcecf24bbdd90bd339b60aee688cd1be
SHA15c50f85815af8f7d620278ab23151d4766ebf133
SHA25670f13ec8044b324af6393970ae12b631d47682e4c1f6a563bf58fd189f70971c
SHA512ea096504ab49ee223d34005ab78dfb5a9f709194aa0c7cae290d41e3accb63af237a852095e09c027e5111ce04af51e91ff278f4db77b31954a4670229e8428e
-
Filesize
176KB
MD592df8b2dd7081684b0c0df948b4e1446
SHA1a0ca4d069ebaf53f396b691bd89909645d42974f
SHA25668dde1abfe2ece8806f67c6308a1f51e73a289de5f833dbd0390e513c8cd632a
SHA5120ede8f8820b4d8f3aacab588397d2ec17f37d34c91506e949c57bea3ef3fac3d5ad59ab28b89cc9a9d10f2e3f14bc883ea76f5e52798bad74375e2dc430ec390
-
Filesize
176KB
MD592df8b2dd7081684b0c0df948b4e1446
SHA1a0ca4d069ebaf53f396b691bd89909645d42974f
SHA25668dde1abfe2ece8806f67c6308a1f51e73a289de5f833dbd0390e513c8cd632a
SHA5120ede8f8820b4d8f3aacab588397d2ec17f37d34c91506e949c57bea3ef3fac3d5ad59ab28b89cc9a9d10f2e3f14bc883ea76f5e52798bad74375e2dc430ec390
-
Filesize
176KB
MD592df8b2dd7081684b0c0df948b4e1446
SHA1a0ca4d069ebaf53f396b691bd89909645d42974f
SHA25668dde1abfe2ece8806f67c6308a1f51e73a289de5f833dbd0390e513c8cd632a
SHA5120ede8f8820b4d8f3aacab588397d2ec17f37d34c91506e949c57bea3ef3fac3d5ad59ab28b89cc9a9d10f2e3f14bc883ea76f5e52798bad74375e2dc430ec390
-
Filesize
158KB
MD5262293caeaea23975ce5d2bdd81ad835
SHA1a2ae45df151eb8ca8473e3bd141f5fc7c748a376
SHA25644d80aebcde0d03e268f3433c3a984098427273e0f7f638c39096aaec8c3cba7
SHA512360385114787d61dffd5b2464674f8a10da4791452644544c0ef5a4973aa35942716dd9d36b0dff2589212a1f2966706dbe9460437a649e46e40d74d58b091ce
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Filesize
158KB
MD5262293caeaea23975ce5d2bdd81ad835
SHA1a2ae45df151eb8ca8473e3bd141f5fc7c748a376
SHA25644d80aebcde0d03e268f3433c3a984098427273e0f7f638c39096aaec8c3cba7
SHA512360385114787d61dffd5b2464674f8a10da4791452644544c0ef5a4973aa35942716dd9d36b0dff2589212a1f2966706dbe9460437a649e46e40d74d58b091ce
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Filesize
158KB
MD5262293caeaea23975ce5d2bdd81ad835
SHA1a2ae45df151eb8ca8473e3bd141f5fc7c748a376
SHA25644d80aebcde0d03e268f3433c3a984098427273e0f7f638c39096aaec8c3cba7
SHA512360385114787d61dffd5b2464674f8a10da4791452644544c0ef5a4973aa35942716dd9d36b0dff2589212a1f2966706dbe9460437a649e46e40d74d58b091ce