Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
08-05-2024 08:48
Behavioral task
behavioral1
Sample
33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe
Resource
win7-20240419-en
General
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Target
33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe
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Size
1.3MB
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MD5
33e4cf784e8f6447d525872c2e3ecc10
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SHA1
1150a1c204e3ef62fc02979b8d78465d37620489
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SHA256
078c3a5f3d04bfd3a19b7bc69e629c1baa115d3226520c86d9e4b6f78c5b5782
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SHA512
ac38f5e5c7cd15eff7cd595ad074394781ba633202d240ded82442ea32220d28992b6367fff5bc00823364fa08f895d31787be8b44ace446ee65ec9e5d079a24
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SSDEEP
24576:zQ5aILMCfmAUjzX6xQGCZLFdGm1Sdr36OTcgapChIRG:E5aIwC+Agr6S/FEV/
Malware Config
Signatures
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KPOT Core Executable 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\WinSocket\33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe family_kpot -
Trickbot x86 loader 1 IoCs
Detected Trickbot's x86 loader that unpacks the x86 payload.
Processes:
resource yara_rule behavioral2/memory/2972-15-0x00000000021E0000-0x0000000002209000-memory.dmp trickbot_loader32 -
Executes dropped EXE 3 IoCs
Processes:
33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exepid process 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe 3400 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exedescription pid process Token: SeTcbPrivilege 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe Token: SeTcbPrivilege 3400 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exepid process 2972 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe 3400 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exedescription pid process target process PID 2972 wrote to memory of 1764 2972 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe PID 2972 wrote to memory of 1764 2972 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe PID 2972 wrote to memory of 1764 2972 33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 1764 wrote to memory of 4392 1764 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 4980 wrote to memory of 4736 4980 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 3400 wrote to memory of 4916 3400 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 3400 wrote to memory of 4916 3400 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 3400 wrote to memory of 4916 3400 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 3400 wrote to memory of 4916 3400 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 3400 wrote to memory of 4916 3400 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 3400 wrote to memory of 4916 3400 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 3400 wrote to memory of 4916 3400 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 3400 wrote to memory of 4916 3400 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe svchost.exe PID 3400 wrote to memory of 4916 3400 33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.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\33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\33e4cf784e8f6447d525872c2e3ecc10_NEIKI.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Users\Admin\AppData\Roaming\WinSocket\33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exeC:\Users\Admin\AppData\Roaming\WinSocket\33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1764 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:4392
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C:\Users\Admin\AppData\Roaming\WinSocket\33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exeC:\Users\Admin\AppData\Roaming\WinSocket\33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4980 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe2⤵PID:4736
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C:\Users\Admin\AppData\Roaming\WinSocket\33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exeC:\Users\Admin\AppData\Roaming\WinSocket\33e4cf894e9f7448d626982c2e3ecc10_NFJLJ.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3400 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe2⤵PID:4916
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.3MB
MD533e4cf784e8f6447d525872c2e3ecc10
SHA11150a1c204e3ef62fc02979b8d78465d37620489
SHA256078c3a5f3d04bfd3a19b7bc69e629c1baa115d3226520c86d9e4b6f78c5b5782
SHA512ac38f5e5c7cd15eff7cd595ad074394781ba633202d240ded82442ea32220d28992b6367fff5bc00823364fa08f895d31787be8b44ace446ee65ec9e5d079a24
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Filesize
44KB
MD55ee78c89c6ac8e14175b28c8cd3b882c
SHA106c0b32ea118f2a47b6e09a2390c2823ab54eaae
SHA256fd480b66d6ad2af4ee8505654408f0dcd66d94ad4503f502acabbac784209378
SHA512c683edb5164fd8b3768da769a5bad921df8afa029dead149866e27779da1f0e8e891dd84942c9db1e82cf90d3f853d3c53800c14bcb094d0615db4d218bbc80a