Analysis
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max time kernel
69s -
max time network
133s -
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 23:40
Static task
static1
Behavioral task
behavioral1
Sample
1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe
Resource
win10v2004-20220812-en
General
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Target
1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe
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Size
561KB
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MD5
1c1d9bd12b1b2bea137b77b44fea10bc
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SHA1
cb7c2627d85b65c9bfe37216a26315c87680729f
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SHA256
1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0
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SHA512
ac4b26e0f91e8742c9f53b300ce6d3157771d9d82e135ae7f962b1b97ea8e237d416efc1ce7e014a98b994933d7e402db0cd125a8805997373328443d4fd63b1
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SSDEEP
12288:6PRYzObfnVXgBtw9JEdz4rUjNhERP3sLVmi0C4i:nzCfVXKtw98z8UjIRP3sLMi
Malware Config
Signatures
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Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\nethfdrv.sys 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe -
Executes dropped EXE 5 IoCs
pid Process 1632 installd.exe 4124 nethtsrv.exe 4660 netupdsrv.exe 4584 nethtsrv.exe 1288 netupdsrv.exe -
Loads dropped DLL 14 IoCs
pid Process 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 1632 installd.exe 4124 nethtsrv.exe 4124 nethtsrv.exe 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 4584 nethtsrv.exe 4584 nethtsrv.exe 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\hfnapi.dll 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe File created C:\Windows\SysWOW64\hfpapi.dll 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe File created C:\Windows\SysWOW64\installd.exe 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe File created C:\Windows\SysWOW64\nethtsrv.exe 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe File created C:\Windows\SysWOW64\netupdsrv.exe 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files (x86)\Common Files\Config\data.xml 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies data under HKEY_USERS 1 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections nethtsrv.exe -
Runs net.exe
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Suspicious behavior: LoadsDriver 1 IoCs
pid Process 648 Process not Found -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4584 nethtsrv.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 956 wrote to memory of 4500 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 79 PID 956 wrote to memory of 4500 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 79 PID 956 wrote to memory of 4500 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 79 PID 4500 wrote to memory of 1240 4500 net.exe 81 PID 4500 wrote to memory of 1240 4500 net.exe 81 PID 4500 wrote to memory of 1240 4500 net.exe 81 PID 956 wrote to memory of 4292 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 82 PID 956 wrote to memory of 4292 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 82 PID 956 wrote to memory of 4292 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 82 PID 4292 wrote to memory of 4840 4292 net.exe 84 PID 4292 wrote to memory of 4840 4292 net.exe 84 PID 4292 wrote to memory of 4840 4292 net.exe 84 PID 956 wrote to memory of 1632 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 85 PID 956 wrote to memory of 1632 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 85 PID 956 wrote to memory of 1632 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 85 PID 956 wrote to memory of 4124 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 86 PID 956 wrote to memory of 4124 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 86 PID 956 wrote to memory of 4124 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 86 PID 956 wrote to memory of 4660 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 88 PID 956 wrote to memory of 4660 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 88 PID 956 wrote to memory of 4660 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 88 PID 956 wrote to memory of 3560 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 90 PID 956 wrote to memory of 3560 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 90 PID 956 wrote to memory of 3560 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 90 PID 3560 wrote to memory of 444 3560 net.exe 92 PID 3560 wrote to memory of 444 3560 net.exe 92 PID 3560 wrote to memory of 444 3560 net.exe 92 PID 956 wrote to memory of 1728 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 94 PID 956 wrote to memory of 1728 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 94 PID 956 wrote to memory of 1728 956 1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe 94 PID 1728 wrote to memory of 4992 1728 net.exe 96 PID 1728 wrote to memory of 4992 1728 net.exe 96 PID 1728 wrote to memory of 4992 1728 net.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.exe"C:\Users\Admin\AppData\Local\Temp\1c89afb01db0518a1ad61bb7c2c2c3b94224b10fbd64efeeacccc3f519b9fff0.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:956 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:4500 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:1240
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C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:4292 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:4840
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C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1632
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C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4124
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C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:4660
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C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:3560 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:444
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C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:4992
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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:4584
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C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:1288
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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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
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Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
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Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
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Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
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Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
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Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
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Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
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Filesize
106KB
MD584965dfc5f9a34ba87078afeaa0c46e1
SHA1c90fc598d24f4a9a129402a7d414f1669244145c
SHA256b0ab54525e1bb4d1651276313140a23b542cf35a7652aead5cbbc6b3ce82073c
SHA512292ce540443d1f99988de9f001e332f9226af8d124c00ce25f5dce1663c8a3b303ee84e4398d7cd8fcb498dc723de1749c394b55c32be0276a57efdb898d7d73
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Filesize
106KB
MD584965dfc5f9a34ba87078afeaa0c46e1
SHA1c90fc598d24f4a9a129402a7d414f1669244145c
SHA256b0ab54525e1bb4d1651276313140a23b542cf35a7652aead5cbbc6b3ce82073c
SHA512292ce540443d1f99988de9f001e332f9226af8d124c00ce25f5dce1663c8a3b303ee84e4398d7cd8fcb498dc723de1749c394b55c32be0276a57efdb898d7d73
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Filesize
106KB
MD584965dfc5f9a34ba87078afeaa0c46e1
SHA1c90fc598d24f4a9a129402a7d414f1669244145c
SHA256b0ab54525e1bb4d1651276313140a23b542cf35a7652aead5cbbc6b3ce82073c
SHA512292ce540443d1f99988de9f001e332f9226af8d124c00ce25f5dce1663c8a3b303ee84e4398d7cd8fcb498dc723de1749c394b55c32be0276a57efdb898d7d73
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Filesize
106KB
MD584965dfc5f9a34ba87078afeaa0c46e1
SHA1c90fc598d24f4a9a129402a7d414f1669244145c
SHA256b0ab54525e1bb4d1651276313140a23b542cf35a7652aead5cbbc6b3ce82073c
SHA512292ce540443d1f99988de9f001e332f9226af8d124c00ce25f5dce1663c8a3b303ee84e4398d7cd8fcb498dc723de1749c394b55c32be0276a57efdb898d7d73
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Filesize
241KB
MD50b6dc3f1f91fb7978e10ae15bc0c3dab
SHA1426b7349ff17bca36f31c28743ca2f7355974125
SHA2566077850f619d08dc41f296003dbd8fb6ad155380771c034d0e6c0b5858d08c63
SHA512e85d58f5e2331692bf42e1e43c70328b549ebad1c2f36b6a90b08ce17ca3ae61414e2da7c66ce5968d003871a848b912e248690bd1f7431b9ca48f5655d5f1e6
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Filesize
241KB
MD50b6dc3f1f91fb7978e10ae15bc0c3dab
SHA1426b7349ff17bca36f31c28743ca2f7355974125
SHA2566077850f619d08dc41f296003dbd8fb6ad155380771c034d0e6c0b5858d08c63
SHA512e85d58f5e2331692bf42e1e43c70328b549ebad1c2f36b6a90b08ce17ca3ae61414e2da7c66ce5968d003871a848b912e248690bd1f7431b9ca48f5655d5f1e6
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Filesize
241KB
MD50b6dc3f1f91fb7978e10ae15bc0c3dab
SHA1426b7349ff17bca36f31c28743ca2f7355974125
SHA2566077850f619d08dc41f296003dbd8fb6ad155380771c034d0e6c0b5858d08c63
SHA512e85d58f5e2331692bf42e1e43c70328b549ebad1c2f36b6a90b08ce17ca3ae61414e2da7c66ce5968d003871a848b912e248690bd1f7431b9ca48f5655d5f1e6
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Filesize
108KB
MD580039c776e6ad2d4dc821e81bf1c187e
SHA1be5840fee77f4af2f1efdf11debb230c8b272793
SHA25626e42539ea2b37885cd7507776120ba24792d4f1a2fbec4bde69a22fdfc5c454
SHA512faec3228da265fe39bda23898acf74c8aecb87aa976d903e10832227c6722fea0f179b87c066ba037924acc6dbe405d90336af782e077a2fb215352212e8dbba
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Filesize
108KB
MD580039c776e6ad2d4dc821e81bf1c187e
SHA1be5840fee77f4af2f1efdf11debb230c8b272793
SHA25626e42539ea2b37885cd7507776120ba24792d4f1a2fbec4bde69a22fdfc5c454
SHA512faec3228da265fe39bda23898acf74c8aecb87aa976d903e10832227c6722fea0f179b87c066ba037924acc6dbe405d90336af782e077a2fb215352212e8dbba
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Filesize
176KB
MD5ab88d56ccf71606018acdb45e4d811f8
SHA1a170ffab252dcec2b4d2386db00c7caa2859d995
SHA256c0169fbb963d1f307516ded69d5c5cb737a5fa935f6c4b85f09de30f68aa302d
SHA512ec819200d70d0abbaa4f1de6d68c7dc50cab4df8e47c2adbe04a0e277b882add18899df57d398c0e4f4263341f3f0d736b241f9e1231ace29d339f80c77df9ac
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Filesize
176KB
MD5ab88d56ccf71606018acdb45e4d811f8
SHA1a170ffab252dcec2b4d2386db00c7caa2859d995
SHA256c0169fbb963d1f307516ded69d5c5cb737a5fa935f6c4b85f09de30f68aa302d
SHA512ec819200d70d0abbaa4f1de6d68c7dc50cab4df8e47c2adbe04a0e277b882add18899df57d398c0e4f4263341f3f0d736b241f9e1231ace29d339f80c77df9ac
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Filesize
176KB
MD5ab88d56ccf71606018acdb45e4d811f8
SHA1a170ffab252dcec2b4d2386db00c7caa2859d995
SHA256c0169fbb963d1f307516ded69d5c5cb737a5fa935f6c4b85f09de30f68aa302d
SHA512ec819200d70d0abbaa4f1de6d68c7dc50cab4df8e47c2adbe04a0e277b882add18899df57d398c0e4f4263341f3f0d736b241f9e1231ace29d339f80c77df9ac
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Filesize
158KB
MD57d608620055d31ea090ce4c3c5747c19
SHA120945b937b60d734bf0225d6a637b752183ea365
SHA256d98e2bc7a48c95e34aae48ac7f1edb56c87fdda14f1c2b253ace2211520ccb87
SHA51259734dd9a855c2c578ef15aa91b73390ae9e7482e36a114937db84ef774a02575eae8cfecec4b069d09c93850a7a781d3c0928e3fe836daceebf0e028a7a0268
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Filesize
158KB
MD57d608620055d31ea090ce4c3c5747c19
SHA120945b937b60d734bf0225d6a637b752183ea365
SHA256d98e2bc7a48c95e34aae48ac7f1edb56c87fdda14f1c2b253ace2211520ccb87
SHA51259734dd9a855c2c578ef15aa91b73390ae9e7482e36a114937db84ef774a02575eae8cfecec4b069d09c93850a7a781d3c0928e3fe836daceebf0e028a7a0268
-
Filesize
158KB
MD57d608620055d31ea090ce4c3c5747c19
SHA120945b937b60d734bf0225d6a637b752183ea365
SHA256d98e2bc7a48c95e34aae48ac7f1edb56c87fdda14f1c2b253ace2211520ccb87
SHA51259734dd9a855c2c578ef15aa91b73390ae9e7482e36a114937db84ef774a02575eae8cfecec4b069d09c93850a7a781d3c0928e3fe836daceebf0e028a7a0268