Analysis
-
max time kernel
62s -
max time network
32s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 10:28
Static task
static1
Behavioral task
behavioral1
Sample
3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe
Resource
win10v2004-20220901-en
General
-
Target
3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe
-
Size
601KB
-
MD5
985a4a517d36bb8537233d503729950d
-
SHA1
40d0d681dad9b5ea584cca2bd8f4738ab9dbfd02
-
SHA256
3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3
-
SHA512
290e390aaea4312c5becec61ee0733daef80ff27accd2922c407ce69f72b848eaa972bce84a8adb73c5adcd631cd770f68d5a45b7f5b085a35f3a9efef2ac272
-
SSDEEP
12288:sIny5DYT5IEH4FJM0pW9q108p/3YJaT+TxDi6lhwDDkzWcifUP2:qUT5zH4F6ciqJYnF/hMIzWcicP2
Malware Config
Signatures
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Drops file in Drivers directory 1 IoCs
Processes:
3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exedescription ioc process File created C:\Windows\system32\drivers\nethfdrv.sys 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe -
Executes dropped EXE 5 IoCs
Processes:
installd.exenethtsrv.exenetupdsrv.exenethtsrv.exenetupdsrv.exepid process 580 installd.exe 1856 nethtsrv.exe 1660 netupdsrv.exe 1636 nethtsrv.exe 1764 netupdsrv.exe -
Loads dropped DLL 13 IoCs
Processes:
3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exeinstalld.exenethtsrv.exenethtsrv.exepid process 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe 580 installd.exe 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe 1856 nethtsrv.exe 1856 nethtsrv.exe 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe 1636 nethtsrv.exe 1636 nethtsrv.exe 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.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:
3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exedescription ioc process File created C:\Windows\SysWOW64\hfnapi.dll 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe File created C:\Windows\SysWOW64\hfpapi.dll 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe File created C:\Windows\SysWOW64\installd.exe 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe File created C:\Windows\SysWOW64\nethtsrv.exe 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe File created C:\Windows\SysWOW64\netupdsrv.exe 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe -
Drops file in Program Files directory 3 IoCs
Processes:
3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exedescription ioc process File created C:\Program Files (x86)\Common Files\Config\data.xml 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe File created C:\Program Files (x86)\Common Files\Config\ver.xml 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe File created C:\Program Files (x86)\Common Files\config\uninstinethnfd.exe 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.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 1636 nethtsrv.exe -
Suspicious use of WriteProcessMemory 50 IoCs
Processes:
3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exenet.exenet.exenet.exenet.exedescription pid process target process PID 832 wrote to memory of 484 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 832 wrote to memory of 484 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 832 wrote to memory of 484 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 832 wrote to memory of 484 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 484 wrote to memory of 760 484 net.exe net1.exe PID 484 wrote to memory of 760 484 net.exe net1.exe PID 484 wrote to memory of 760 484 net.exe net1.exe PID 484 wrote to memory of 760 484 net.exe net1.exe PID 832 wrote to memory of 884 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 832 wrote to memory of 884 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 832 wrote to memory of 884 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 832 wrote to memory of 884 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 884 wrote to memory of 1300 884 net.exe net1.exe PID 884 wrote to memory of 1300 884 net.exe net1.exe PID 884 wrote to memory of 1300 884 net.exe net1.exe PID 884 wrote to memory of 1300 884 net.exe net1.exe PID 832 wrote to memory of 580 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe installd.exe PID 832 wrote to memory of 580 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe installd.exe PID 832 wrote to memory of 580 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe installd.exe PID 832 wrote to memory of 580 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe installd.exe PID 832 wrote to memory of 580 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe installd.exe PID 832 wrote to memory of 580 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe installd.exe PID 832 wrote to memory of 580 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe installd.exe PID 832 wrote to memory of 1856 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe nethtsrv.exe PID 832 wrote to memory of 1856 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe nethtsrv.exe PID 832 wrote to memory of 1856 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe nethtsrv.exe PID 832 wrote to memory of 1856 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe nethtsrv.exe PID 832 wrote to memory of 1660 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe netupdsrv.exe PID 832 wrote to memory of 1660 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe netupdsrv.exe PID 832 wrote to memory of 1660 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe netupdsrv.exe PID 832 wrote to memory of 1660 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe netupdsrv.exe PID 832 wrote to memory of 1660 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe netupdsrv.exe PID 832 wrote to memory of 1660 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe netupdsrv.exe PID 832 wrote to memory of 1660 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe netupdsrv.exe PID 832 wrote to memory of 316 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 832 wrote to memory of 316 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 832 wrote to memory of 316 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 832 wrote to memory of 316 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 316 wrote to memory of 792 316 net.exe net1.exe PID 316 wrote to memory of 792 316 net.exe net1.exe PID 316 wrote to memory of 792 316 net.exe net1.exe PID 316 wrote to memory of 792 316 net.exe net1.exe PID 832 wrote to memory of 1948 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 832 wrote to memory of 1948 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 832 wrote to memory of 1948 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 832 wrote to memory of 1948 832 3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe net.exe PID 1948 wrote to memory of 680 1948 net.exe net1.exe PID 1948 wrote to memory of 680 1948 net.exe net1.exe PID 1948 wrote to memory of 680 1948 net.exe net1.exe PID 1948 wrote to memory of 680 1948 net.exe net1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.exe"C:\Users\Admin\AppData\Local\Temp\3c044b2d0dd8b596903395225ee11726f6da168935155f28a1c487b78f81d8c3.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:832 -
C:\Windows\SysWOW64\net.exenet stop nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:484 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop nethttpservice3⤵PID:760
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C:\Windows\SysWOW64\net.exenet stop serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:884 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop serviceupdater3⤵PID:1300
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C:\Windows\SysWOW64\installd.exe"C:\Windows\system32\installd.exe" nethfdrv2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:580 -
C:\Windows\SysWOW64\nethtsrv.exe"C:\Windows\system32\nethtsrv.exe" -nfdi2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1856 -
C:\Windows\SysWOW64\netupdsrv.exe"C:\Windows\system32\netupdsrv.exe" -nfdi2⤵
- Executes dropped EXE
PID:1660 -
C:\Windows\SysWOW64\net.exenet start nethttpservice2⤵
- Suspicious use of WriteProcessMemory
PID:316 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start nethttpservice3⤵PID:792
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C:\Windows\SysWOW64\net.exenet start serviceupdater2⤵
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start serviceupdater3⤵PID:680
-
C:\Windows\SysWOW64\nethtsrv.exeC:\Windows\SysWOW64\nethtsrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:1636
-
C:\Windows\SysWOW64\netupdsrv.exeC:\Windows\SysWOW64\netupdsrv.exe1⤵
- Executes dropped EXE
PID:1764
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
106KB
MD50f6e8bb4fe7f3ae4b143b15bcd8a3bde
SHA14dfc003e197d4333400ac9c39fa2a3e7059d81b3
SHA256e9a8e3e782ea05cd685e1dd745c1d5ed8b52bcfec9f5027c47a5d436cba78796
SHA512a955e85ea997b0a5b6fe3a7d8b0bd286796c9a37862a457247ce6d0a4550d5901e09ad48d9352ed1511fc458df6e8719c528316eff18041cd9814ad79a951404
-
Filesize
241KB
MD5527b619363c42b4a160abbeb3b9fd9ad
SHA1e2831f997a5bdb6b8d9826c5c413b3f74d55ea59
SHA2568573befdeda62ee2657903eedcf678439acb2296da9a87ea0dcf0967527a6489
SHA512d86f665340ec6644b4231d41e547440497a44f5040798c14062fb365af720bc834294f9547594607a54e67bf24d55ae5cf379a4520b72dd0376437c1fbfa934a
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Filesize
108KB
MD59c0001aa449bc4208a937b0dbed8bb85
SHA1c23b6c4cb36ec2b6210ae407e712f7ddbec0c10b
SHA256d19f57a11ba6d6046384ea49984def9785426b5bba569e7db73570b6189d6e0a
SHA512a6bdd596dd1edf4269c41ab690b6241ac7a36d98bbc898df005e775275ec06b725cf9f073b03b8aa312d0bc08b70c2396a16d8cbb1a255b7357efe216648cb45
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Filesize
176KB
MD5cbf0cc1ba00c4fc8e14d2c75f89cd2b0
SHA1eba411408bef8bc37811c88fadaa6421eefdd1a2
SHA25640e49a5114e292a4f063571695eb23f300a046fb1f76136347f70279cd2dc975
SHA51228384178d4252859b2134e76de2fbf7ec95cbd123626715548ee90ecf1b7745c3b37bd5e4aa96e7621752c3a87d684d3ba9d94af2d2a3fffb94c1ffcaf103f29
-
Filesize
176KB
MD5cbf0cc1ba00c4fc8e14d2c75f89cd2b0
SHA1eba411408bef8bc37811c88fadaa6421eefdd1a2
SHA25640e49a5114e292a4f063571695eb23f300a046fb1f76136347f70279cd2dc975
SHA51228384178d4252859b2134e76de2fbf7ec95cbd123626715548ee90ecf1b7745c3b37bd5e4aa96e7621752c3a87d684d3ba9d94af2d2a3fffb94c1ffcaf103f29
-
Filesize
158KB
MD52489688eab9f64200c4874e1c340573a
SHA13dadf46078c9278a97fa78b15622511fd1c83b36
SHA2564ecdc4198750ce74f5699449171285e9773c2beb39c204581bce4420e05058a3
SHA512d5d5f135fb65676646a68723b5bb0836589643b20afd2430785d6d469ceeea8ef2a482d963c53a7dda10f035034141def2913783b9df7ceb7133bcfaa36324a8
-
Filesize
158KB
MD52489688eab9f64200c4874e1c340573a
SHA13dadf46078c9278a97fa78b15622511fd1c83b36
SHA2564ecdc4198750ce74f5699449171285e9773c2beb39c204581bce4420e05058a3
SHA512d5d5f135fb65676646a68723b5bb0836589643b20afd2430785d6d469ceeea8ef2a482d963c53a7dda10f035034141def2913783b9df7ceb7133bcfaa36324a8
-
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
MD50f6e8bb4fe7f3ae4b143b15bcd8a3bde
SHA14dfc003e197d4333400ac9c39fa2a3e7059d81b3
SHA256e9a8e3e782ea05cd685e1dd745c1d5ed8b52bcfec9f5027c47a5d436cba78796
SHA512a955e85ea997b0a5b6fe3a7d8b0bd286796c9a37862a457247ce6d0a4550d5901e09ad48d9352ed1511fc458df6e8719c528316eff18041cd9814ad79a951404
-
Filesize
106KB
MD50f6e8bb4fe7f3ae4b143b15bcd8a3bde
SHA14dfc003e197d4333400ac9c39fa2a3e7059d81b3
SHA256e9a8e3e782ea05cd685e1dd745c1d5ed8b52bcfec9f5027c47a5d436cba78796
SHA512a955e85ea997b0a5b6fe3a7d8b0bd286796c9a37862a457247ce6d0a4550d5901e09ad48d9352ed1511fc458df6e8719c528316eff18041cd9814ad79a951404
-
Filesize
106KB
MD50f6e8bb4fe7f3ae4b143b15bcd8a3bde
SHA14dfc003e197d4333400ac9c39fa2a3e7059d81b3
SHA256e9a8e3e782ea05cd685e1dd745c1d5ed8b52bcfec9f5027c47a5d436cba78796
SHA512a955e85ea997b0a5b6fe3a7d8b0bd286796c9a37862a457247ce6d0a4550d5901e09ad48d9352ed1511fc458df6e8719c528316eff18041cd9814ad79a951404
-
Filesize
241KB
MD5527b619363c42b4a160abbeb3b9fd9ad
SHA1e2831f997a5bdb6b8d9826c5c413b3f74d55ea59
SHA2568573befdeda62ee2657903eedcf678439acb2296da9a87ea0dcf0967527a6489
SHA512d86f665340ec6644b4231d41e547440497a44f5040798c14062fb365af720bc834294f9547594607a54e67bf24d55ae5cf379a4520b72dd0376437c1fbfa934a
-
Filesize
241KB
MD5527b619363c42b4a160abbeb3b9fd9ad
SHA1e2831f997a5bdb6b8d9826c5c413b3f74d55ea59
SHA2568573befdeda62ee2657903eedcf678439acb2296da9a87ea0dcf0967527a6489
SHA512d86f665340ec6644b4231d41e547440497a44f5040798c14062fb365af720bc834294f9547594607a54e67bf24d55ae5cf379a4520b72dd0376437c1fbfa934a
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Filesize
108KB
MD59c0001aa449bc4208a937b0dbed8bb85
SHA1c23b6c4cb36ec2b6210ae407e712f7ddbec0c10b
SHA256d19f57a11ba6d6046384ea49984def9785426b5bba569e7db73570b6189d6e0a
SHA512a6bdd596dd1edf4269c41ab690b6241ac7a36d98bbc898df005e775275ec06b725cf9f073b03b8aa312d0bc08b70c2396a16d8cbb1a255b7357efe216648cb45
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Filesize
176KB
MD5cbf0cc1ba00c4fc8e14d2c75f89cd2b0
SHA1eba411408bef8bc37811c88fadaa6421eefdd1a2
SHA25640e49a5114e292a4f063571695eb23f300a046fb1f76136347f70279cd2dc975
SHA51228384178d4252859b2134e76de2fbf7ec95cbd123626715548ee90ecf1b7745c3b37bd5e4aa96e7621752c3a87d684d3ba9d94af2d2a3fffb94c1ffcaf103f29
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Filesize
158KB
MD52489688eab9f64200c4874e1c340573a
SHA13dadf46078c9278a97fa78b15622511fd1c83b36
SHA2564ecdc4198750ce74f5699449171285e9773c2beb39c204581bce4420e05058a3
SHA512d5d5f135fb65676646a68723b5bb0836589643b20afd2430785d6d469ceeea8ef2a482d963c53a7dda10f035034141def2913783b9df7ceb7133bcfaa36324a8