Analysis
-
max time kernel
272s -
max time network
328s -
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
49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe
Resource
win10v2004-20221111-en
General
-
Target
49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe
-
Size
602KB
-
MD5
afdb99a1f187fce5a9dcde4506d60c94
-
SHA1
257839f7e3b4fd9b0e3b2a0a8d2bf94f18ac685f
-
SHA256
49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba
-
SHA512
8ea7a3bd75ec786002db6d32b88a39724c29bb4e1f6181552f6c1a6abd18d4e3d207d54cf091fdb55e0c71872903330653b84d29788388bfe417a88ae0998927
-
SSDEEP
12288:cIny5DYTWgtu/68ZwKB2ZwvIIkyX7zm3MUDFMAqPF:6UTWgtu/68Zwy6gX+3/bqt
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 4508 installd.exe 3548 nethtsrv.exe 3144 netupdsrv.exe 4116 nethtsrv.exe 2260 netupdsrv.exe -
Loads dropped DLL 14 IoCs
Processes:
49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exeinstalld.exenethtsrv.exenethtsrv.exepid process 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe 4508 installd.exe 3548 nethtsrv.exe 3548 nethtsrv.exe 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe 4116 nethtsrv.exe 4116 nethtsrv.exe 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.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:
49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exedescription ioc process File created C:\Windows\SysWOW64\hfnapi.dll 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe File created C:\Windows\SysWOW64\hfpapi.dll 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe File created C:\Windows\SysWOW64\installd.exe 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe File created C:\Windows\SysWOW64\nethtsrv.exe 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe File created C:\Windows\SysWOW64\netupdsrv.exe 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe -
Drops file in Program Files directory 3 IoCs
Processes:
49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.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 660 -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exenet.exenet.exenet.exenet.exedescription pid process target process PID 3220 wrote to memory of 4692 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe net.exe PID 3220 wrote to memory of 4692 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe net.exe PID 3220 wrote to memory of 4692 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe net.exe PID 4692 wrote to memory of 3340 4692 net.exe net1.exe PID 4692 wrote to memory of 3340 4692 net.exe net1.exe PID 4692 wrote to memory of 3340 4692 net.exe net1.exe PID 3220 wrote to memory of 3240 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe net.exe PID 3220 wrote to memory of 3240 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe net.exe PID 3220 wrote to memory of 3240 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe net.exe PID 3240 wrote to memory of 2900 3240 net.exe net1.exe PID 3240 wrote to memory of 2900 3240 net.exe net1.exe PID 3240 wrote to memory of 2900 3240 net.exe net1.exe PID 3220 wrote to memory of 4508 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe installd.exe PID 3220 wrote to memory of 4508 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe installd.exe PID 3220 wrote to memory of 4508 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe installd.exe PID 3220 wrote to memory of 3548 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe nethtsrv.exe PID 3220 wrote to memory of 3548 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe nethtsrv.exe PID 3220 wrote to memory of 3548 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe nethtsrv.exe PID 3220 wrote to memory of 3144 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe netupdsrv.exe PID 3220 wrote to memory of 3144 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe netupdsrv.exe PID 3220 wrote to memory of 3144 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe netupdsrv.exe PID 3220 wrote to memory of 4176 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe net.exe PID 3220 wrote to memory of 4176 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe net.exe PID 3220 wrote to memory of 4176 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe net.exe PID 4176 wrote to memory of 4520 4176 net.exe net1.exe PID 4176 wrote to memory of 4520 4176 net.exe net1.exe PID 4176 wrote to memory of 4520 4176 net.exe net1.exe PID 3220 wrote to memory of 4852 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe net.exe PID 3220 wrote to memory of 4852 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe net.exe PID 3220 wrote to memory of 4852 3220 49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe net.exe PID 4852 wrote to memory of 3812 4852 net.exe net1.exe PID 4852 wrote to memory of 3812 4852 net.exe net1.exe PID 4852 wrote to memory of 3812 4852 net.exe net1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.exe"C:\Users\Admin\AppData\Local\Temp\49d43206a3ac17340568ec2e4da419ae55ec5790f6eff640342dd2eb16405aba.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:3220 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:3340
-
C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:2900
-
C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4508 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3548 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:3144 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:4176 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:4520
-
C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:3812
-
C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4116
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:2260
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
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
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
MD5cc222eac586d6ff4a630cb64135b7a29
SHA1bf07a9850279519c03dd24d61060b662c289c279
SHA256e5f4df15c827e51ed3b27f069ae475ae7c5b5fd094711944a016fc7b44060858
SHA512bc87d3d43c2ac3f886a15effc1042359ca5ca77c0e86933d5ac9dcfcccd4a85dc1238f2ef47c29655342c6dc2fd0ca5c92232c83a67a36df6af0787324d23aa8
-
Filesize
106KB
MD5cc222eac586d6ff4a630cb64135b7a29
SHA1bf07a9850279519c03dd24d61060b662c289c279
SHA256e5f4df15c827e51ed3b27f069ae475ae7c5b5fd094711944a016fc7b44060858
SHA512bc87d3d43c2ac3f886a15effc1042359ca5ca77c0e86933d5ac9dcfcccd4a85dc1238f2ef47c29655342c6dc2fd0ca5c92232c83a67a36df6af0787324d23aa8
-
Filesize
106KB
MD5cc222eac586d6ff4a630cb64135b7a29
SHA1bf07a9850279519c03dd24d61060b662c289c279
SHA256e5f4df15c827e51ed3b27f069ae475ae7c5b5fd094711944a016fc7b44060858
SHA512bc87d3d43c2ac3f886a15effc1042359ca5ca77c0e86933d5ac9dcfcccd4a85dc1238f2ef47c29655342c6dc2fd0ca5c92232c83a67a36df6af0787324d23aa8
-
Filesize
106KB
MD5cc222eac586d6ff4a630cb64135b7a29
SHA1bf07a9850279519c03dd24d61060b662c289c279
SHA256e5f4df15c827e51ed3b27f069ae475ae7c5b5fd094711944a016fc7b44060858
SHA512bc87d3d43c2ac3f886a15effc1042359ca5ca77c0e86933d5ac9dcfcccd4a85dc1238f2ef47c29655342c6dc2fd0ca5c92232c83a67a36df6af0787324d23aa8
-
Filesize
241KB
MD5eb16a64fdf3e15c91aadcfc19fb0f972
SHA1f8fb08d6c01ffe78fa5f776d46873734fa8a5aa1
SHA256c6f34651635120d9d115b92f1621658ec02aee839c4fb3d49d3a66ea86ba7927
SHA5123efe6ae80deac7a75f89c631dd573eba58109fd249e61c8d6afbfe5c41f602e8e27cba8f7aa4afe62d38c4d318dccc73a17dd3673e1b39f92c25f78fab2a74f4
-
Filesize
241KB
MD5eb16a64fdf3e15c91aadcfc19fb0f972
SHA1f8fb08d6c01ffe78fa5f776d46873734fa8a5aa1
SHA256c6f34651635120d9d115b92f1621658ec02aee839c4fb3d49d3a66ea86ba7927
SHA5123efe6ae80deac7a75f89c631dd573eba58109fd249e61c8d6afbfe5c41f602e8e27cba8f7aa4afe62d38c4d318dccc73a17dd3673e1b39f92c25f78fab2a74f4
-
Filesize
241KB
MD5eb16a64fdf3e15c91aadcfc19fb0f972
SHA1f8fb08d6c01ffe78fa5f776d46873734fa8a5aa1
SHA256c6f34651635120d9d115b92f1621658ec02aee839c4fb3d49d3a66ea86ba7927
SHA5123efe6ae80deac7a75f89c631dd573eba58109fd249e61c8d6afbfe5c41f602e8e27cba8f7aa4afe62d38c4d318dccc73a17dd3673e1b39f92c25f78fab2a74f4
-
Filesize
108KB
MD597a7b85635f05204181addd80fc294d0
SHA1c216b00daf5ebb45c0c834b953ec7169ca9a56b5
SHA256e9b39e9ec22b6e06eb8a455d2077421432f10a567961422521008e72856c3f3c
SHA5127bd2db4483fceb8177d83dad10337859e60bbf035178a3cfcbc4f8dcd5df993d499cb3349e226b1511993a00f121c78eda29d2b14a752c1c117383de0301de3e
-
Filesize
108KB
MD597a7b85635f05204181addd80fc294d0
SHA1c216b00daf5ebb45c0c834b953ec7169ca9a56b5
SHA256e9b39e9ec22b6e06eb8a455d2077421432f10a567961422521008e72856c3f3c
SHA5127bd2db4483fceb8177d83dad10337859e60bbf035178a3cfcbc4f8dcd5df993d499cb3349e226b1511993a00f121c78eda29d2b14a752c1c117383de0301de3e
-
Filesize
176KB
MD5697faf48f4c193fd439c9e72b579ebb4
SHA12404c13de9cdd3f5a4ae5082c65c756b53fd33e3
SHA256abbd2978d50ab7839107f450698b53e93e469be2c39923064b2975bad6fca61c
SHA512337fb38899ca9f59cc445f3c5ac2c18ad506785cd066da0bccd579cd279bf3d558f1e5104e1984b150314506d276c3315008dbe5b269b8d693165290914f908c
-
Filesize
176KB
MD5697faf48f4c193fd439c9e72b579ebb4
SHA12404c13de9cdd3f5a4ae5082c65c756b53fd33e3
SHA256abbd2978d50ab7839107f450698b53e93e469be2c39923064b2975bad6fca61c
SHA512337fb38899ca9f59cc445f3c5ac2c18ad506785cd066da0bccd579cd279bf3d558f1e5104e1984b150314506d276c3315008dbe5b269b8d693165290914f908c
-
Filesize
176KB
MD5697faf48f4c193fd439c9e72b579ebb4
SHA12404c13de9cdd3f5a4ae5082c65c756b53fd33e3
SHA256abbd2978d50ab7839107f450698b53e93e469be2c39923064b2975bad6fca61c
SHA512337fb38899ca9f59cc445f3c5ac2c18ad506785cd066da0bccd579cd279bf3d558f1e5104e1984b150314506d276c3315008dbe5b269b8d693165290914f908c
-
Filesize
159KB
MD569749a87ac04410a3df23d64eaa75896
SHA132f41832fa69220983b2414392d33ad995a069ff
SHA256fb034d79a4cec41634da593be9bcf37527b2c484d18b9cc0060dfd44463ceafa
SHA512a933059849ccb07bda5c38f81f5e421bd959b0ca0da0afc57ec6247382a9993a2ae4bb057f5dbfb42581fbbee58b41124ee8a2bde48b1fdc4afb9d8ae93a7f3b
-
Filesize
159KB
MD569749a87ac04410a3df23d64eaa75896
SHA132f41832fa69220983b2414392d33ad995a069ff
SHA256fb034d79a4cec41634da593be9bcf37527b2c484d18b9cc0060dfd44463ceafa
SHA512a933059849ccb07bda5c38f81f5e421bd959b0ca0da0afc57ec6247382a9993a2ae4bb057f5dbfb42581fbbee58b41124ee8a2bde48b1fdc4afb9d8ae93a7f3b
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Filesize
159KB
MD569749a87ac04410a3df23d64eaa75896
SHA132f41832fa69220983b2414392d33ad995a069ff
SHA256fb034d79a4cec41634da593be9bcf37527b2c484d18b9cc0060dfd44463ceafa
SHA512a933059849ccb07bda5c38f81f5e421bd959b0ca0da0afc57ec6247382a9993a2ae4bb057f5dbfb42581fbbee58b41124ee8a2bde48b1fdc4afb9d8ae93a7f3b