Analysis
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max time kernel
137s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07/05/2024, 03:52
Behavioral task
behavioral1
Sample
5fdc93443692c993f524be531f0e9eb0_NEAS.exe
Resource
win7-20240215-en
General
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Target
5fdc93443692c993f524be531f0e9eb0_NEAS.exe
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Size
1.2MB
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MD5
5fdc93443692c993f524be531f0e9eb0
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SHA1
41906cf4abba5759f892acb00b532a16550ef6ca
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SHA256
104e345361c5c577acc95cf5b7e58ce28134e30a4c421738e9545b0afeea9fd9
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SHA512
8cdde1861a31cab52ce33e9fa452269ffe4c7beaf478133a852247a73bc5d572c60aefd29cd1ebfa2b83c35b22d6909f916ca542ea7215dfbb4c3d33c0dc9465
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SSDEEP
24576:zQ5aILMCfmAUjzX6xQGCZLFdGm1Sdr36OTcgapChIOB:E5aIwC+Agr6S/FEVX
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
resource yara_rule behavioral2/files/0x000a000000023b97-21.dat family_kpot -
Trickbot x86 loader 1 IoCs
Detected Trickbot's x86 loader that unpacks the x86 payload.
resource yara_rule behavioral2/memory/3904-15-0x0000000002AD0000-0x0000000002AF9000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
pid Process 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 536 6fdc93443792c993f624be631f0e9eb0_NFAS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeTcbPrivilege 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe Token: SeTcbPrivilege 536 6fdc93443792c993f624be631f0e9eb0_NFAS.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3904 5fdc93443692c993f524be531f0e9eb0_NEAS.exe 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 536 6fdc93443792c993f624be631f0e9eb0_NFAS.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3904 wrote to memory of 4500 3904 5fdc93443692c993f524be531f0e9eb0_NEAS.exe 83 PID 3904 wrote to memory of 4500 3904 5fdc93443692c993f524be531f0e9eb0_NEAS.exe 83 PID 3904 wrote to memory of 4500 3904 5fdc93443692c993f524be531f0e9eb0_NEAS.exe 83 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 4500 wrote to memory of 4864 4500 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 84 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 3584 wrote to memory of 1628 3584 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 101 PID 536 wrote to memory of 5044 536 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 113 PID 536 wrote to memory of 5044 536 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 113 PID 536 wrote to memory of 5044 536 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 113 PID 536 wrote to memory of 5044 536 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 113 PID 536 wrote to memory of 5044 536 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 113 PID 536 wrote to memory of 5044 536 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 113 PID 536 wrote to memory of 5044 536 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 113 PID 536 wrote to memory of 5044 536 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 113 PID 536 wrote to memory of 5044 536 6fdc93443792c993f624be631f0e9eb0_NFAS.exe 113 -
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\5fdc93443692c993f524be531f0e9eb0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\5fdc93443692c993f524be531f0e9eb0_NEAS.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3904 -
C:\Users\Admin\AppData\Roaming\WinSocket\6fdc93443792c993f624be631f0e9eb0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\6fdc93443792c993f624be631f0e9eb0_NFAS.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4500 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:4864
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C:\Users\Admin\AppData\Roaming\WinSocket\6fdc93443792c993f624be631f0e9eb0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\6fdc93443792c993f624be631f0e9eb0_NFAS.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe2⤵PID:1628
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C:\Users\Admin\AppData\Roaming\WinSocket\6fdc93443792c993f624be631f0e9eb0_NFAS.exeC:\Users\Admin\AppData\Roaming\WinSocket\6fdc93443792c993f624be631f0e9eb0_NFAS.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe2⤵PID:5044
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
MD55fdc93443692c993f524be531f0e9eb0
SHA141906cf4abba5759f892acb00b532a16550ef6ca
SHA256104e345361c5c577acc95cf5b7e58ce28134e30a4c421738e9545b0afeea9fd9
SHA5128cdde1861a31cab52ce33e9fa452269ffe4c7beaf478133a852247a73bc5d572c60aefd29cd1ebfa2b83c35b22d6909f916ca542ea7215dfbb4c3d33c0dc9465