Analysis
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max time kernel
135s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
06-05-2024 19:21
Behavioral task
behavioral1
Sample
01f8cd895dd719c83038356c6fe96160_NEAS.exe
Resource
win7-20240419-en
General
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Target
01f8cd895dd719c83038356c6fe96160_NEAS.exe
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Size
1.2MB
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MD5
01f8cd895dd719c83038356c6fe96160
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SHA1
4b817e515df12017f6b1d3c5becb27934ab62fd7
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SHA256
efc7cfc7f83e9a33a7856e1108c2433887172153ea8fc56076534925a5d94d32
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SHA512
8ca9a0eb469c8e51eb03f4e6bae011a4b19d3831d9c77bf34b0929f91f52c4ed5cbba0b3ef9892364bc6c1ffa5f50a4f046c5814271ae5a0a1da393449e10c91
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SSDEEP
24576:zQ5aILMCfmAUjzX6xQt+4En+bcMAOxA5zYlo1c51WnO7h:E5aIwC+Agr6StVEnmcKxY/O1R
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\WinSocket\01f9cd996dd819c93039367c7fe97170_NFAS.exe family_kpot -
Trickbot x86 loader 1 IoCs
Detected Trickbot's x86 loader that unpacks the x86 payload.
Processes:
resource yara_rule behavioral2/memory/3224-15-0x0000000003120000-0x0000000003149000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
Processes:
01f9cd996dd819c93039367c7fe97170_NFAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exepid process 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe 960 01f9cd996dd819c93039367c7fe97170_NFAS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
01f9cd996dd819c93039367c7fe97170_NFAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exedescription pid process Token: SeTcbPrivilege 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe Token: SeTcbPrivilege 960 01f9cd996dd819c93039367c7fe97170_NFAS.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
01f8cd895dd719c83038356c6fe96160_NEAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exepid process 3224 01f8cd895dd719c83038356c6fe96160_NEAS.exe 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe 960 01f9cd996dd819c93039367c7fe97170_NFAS.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
01f8cd895dd719c83038356c6fe96160_NEAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exe01f9cd996dd819c93039367c7fe97170_NFAS.exedescription pid process target process PID 3224 wrote to memory of 1120 3224 01f8cd895dd719c83038356c6fe96160_NEAS.exe 01f9cd996dd819c93039367c7fe97170_NFAS.exe PID 3224 wrote to memory of 1120 3224 01f8cd895dd719c83038356c6fe96160_NEAS.exe 01f9cd996dd819c93039367c7fe97170_NFAS.exe PID 3224 wrote to memory of 1120 3224 01f8cd895dd719c83038356c6fe96160_NEAS.exe 01f9cd996dd819c93039367c7fe97170_NFAS.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 1120 wrote to memory of 1292 1120 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 864 wrote to memory of 3280 864 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 960 wrote to memory of 1040 960 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 960 wrote to memory of 1040 960 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 960 wrote to memory of 1040 960 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 960 wrote to memory of 1040 960 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 960 wrote to memory of 1040 960 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 960 wrote to memory of 1040 960 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 960 wrote to memory of 1040 960 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 960 wrote to memory of 1040 960 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe PID 960 wrote to memory of 1040 960 01f9cd996dd819c93039367c7fe97170_NFAS.exe svchost.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\01f8cd895dd719c83038356c6fe96160_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\01f8cd895dd719c83038356c6fe96160_NEAS.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3224 -
C:\Users\Admin\AppData\Roaming\WinSocket\01f9cd996dd819c93039367c7fe97170_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\01f9cd996dd819c93039367c7fe97170_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1120 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:1292
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C:\Users\Admin\AppData\Roaming\WinSocket\01f9cd996dd819c93039367c7fe97170_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\01f9cd996dd819c93039367c7fe97170_NFAS.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe2⤵PID:3280
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C:\Users\Admin\AppData\Roaming\WinSocket\01f9cd996dd819c93039367c7fe97170_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\01f9cd996dd819c93039367c7fe97170_NFAS.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:960 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe2⤵PID:1040
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
MD501f8cd895dd719c83038356c6fe96160
SHA14b817e515df12017f6b1d3c5becb27934ab62fd7
SHA256efc7cfc7f83e9a33a7856e1108c2433887172153ea8fc56076534925a5d94d32
SHA5128ca9a0eb469c8e51eb03f4e6bae011a4b19d3831d9c77bf34b0929f91f52c4ed5cbba0b3ef9892364bc6c1ffa5f50a4f046c5814271ae5a0a1da393449e10c91
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Filesize
10KB
MD53f181ab831151a23c457c05c19f29eb1
SHA1d3b51b5de9e2975a4d28092c4abe562e788268d4
SHA256593537e2663832050dcbbabea830c973e17bc36f4d86caee2ca5b19ca4927968
SHA512793ede9be6ca78e1b605a3beb2e594a0c32c508b72decc902a2c08e38756fa7b3777b062ca41c4a274cc32efd2d7f56a07cf7cd822633bb9a4a7b41d901e2521