Analysis
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max time kernel
144s -
max time network
147s -
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 21:17
Behavioral task
behavioral1
Sample
17d50fa99aa08bb6eb272cb1518326d0_NEAS.exe
Resource
win7-20240221-en
General
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Target
17d50fa99aa08bb6eb272cb1518326d0_NEAS.exe
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Size
1.2MB
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MD5
17d50fa99aa08bb6eb272cb1518326d0
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SHA1
0efb704c00c4962b9cd6b9f73bd12911301f93ef
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SHA256
1915d2a1dad2c003fa13075655e6bc3fd6bf979bc2511cccc16ab707de5ecc9f
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SHA512
c6adafb7af6be174880d435f35d8d70217dada1bd459bfa96ca23c92630b9ce389f8c81f0c75a1a25015176c2ccd10b34703df6f3169300c415d1e8a46d21bd3
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SSDEEP
24576:zQ5aILMCfmAUjzX6gfU1pjwjbsXhmvZssrD+nRgnf4NvlOSJ:E5aIwC+Agr6g81p1vsrNiJ
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\WinSocket\18d60fa99aa09bb7eb282cb1619327d0_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/3916-15-0x0000000002170000-0x0000000002199000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
Processes:
18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe18d60fa99aa09bb7eb282cb1619327d0_NFAS.exepid process 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe 3544 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe18d60fa99aa09bb7eb282cb1619327d0_NFAS.exedescription pid process Token: SeTcbPrivilege 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe Token: SeTcbPrivilege 3544 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
17d50fa99aa08bb6eb272cb1518326d0_NEAS.exe18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe18d60fa99aa09bb7eb282cb1619327d0_NFAS.exepid process 3916 17d50fa99aa08bb6eb272cb1518326d0_NEAS.exe 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe 3544 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
17d50fa99aa08bb6eb272cb1518326d0_NEAS.exe18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe18d60fa99aa09bb7eb282cb1619327d0_NFAS.exedescription pid process target process PID 3916 wrote to memory of 1548 3916 17d50fa99aa08bb6eb272cb1518326d0_NEAS.exe 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe PID 3916 wrote to memory of 1548 3916 17d50fa99aa08bb6eb272cb1518326d0_NEAS.exe 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe PID 3916 wrote to memory of 1548 3916 17d50fa99aa08bb6eb272cb1518326d0_NEAS.exe 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 1548 wrote to memory of 4956 1548 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3000 wrote to memory of 3952 3000 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3544 wrote to memory of 2808 3544 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3544 wrote to memory of 2808 3544 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3544 wrote to memory of 2808 3544 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3544 wrote to memory of 2808 3544 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3544 wrote to memory of 2808 3544 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3544 wrote to memory of 2808 3544 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3544 wrote to memory of 2808 3544 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3544 wrote to memory of 2808 3544 18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe svchost.exe PID 3544 wrote to memory of 2808 3544 18d60fa99aa09bb7eb282cb1619327d0_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\17d50fa99aa08bb6eb272cb1518326d0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\17d50fa99aa08bb6eb272cb1518326d0_NEAS.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3916 -
C:\Users\Admin\AppData\Roaming\WinSocket\18d60fa99aa09bb7eb282cb1619327d0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1548 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:4956
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C:\Users\Admin\AppData\Roaming\WinSocket\18d60fa99aa09bb7eb282cb1619327d0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe2⤵PID:3952
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C:\Users\Admin\AppData\Roaming\WinSocket\18d60fa99aa09bb7eb282cb1619327d0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\18d60fa99aa09bb7eb282cb1619327d0_NFAS.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe2⤵PID:2808
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
MD517d50fa99aa08bb6eb272cb1518326d0
SHA10efb704c00c4962b9cd6b9f73bd12911301f93ef
SHA2561915d2a1dad2c003fa13075655e6bc3fd6bf979bc2511cccc16ab707de5ecc9f
SHA512c6adafb7af6be174880d435f35d8d70217dada1bd459bfa96ca23c92630b9ce389f8c81f0c75a1a25015176c2ccd10b34703df6f3169300c415d1e8a46d21bd3
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Filesize
50KB
MD580c2ca0f3f23b2e92b203d6e67be086e
SHA1790337720ea91c3ea1595412ce0f9d7c66615859
SHA25681fdbfadd24cc84e66724b79a320c8a041fbbfa0964f76315e89c44d8f063d8e
SHA51272cc21ac44994537a914176a2d2f2973f4ad21de7ef39103454e4a4865cb41c2ca9182e3a0cfb9ccdc6bfbfea0062561596be53acf0f3058738c43b1187d5bf1