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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
08/05/2024, 02:01
Behavioral task
behavioral1
Sample
a01cdaec6528a511a52bc21c27161e00_NEIKI.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a01cdaec6528a511a52bc21c27161e00_NEIKI.exe
Resource
win10v2004-20240419-en
General
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Target
a01cdaec6528a511a52bc21c27161e00_NEIKI.exe
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Size
80KB
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MD5
a01cdaec6528a511a52bc21c27161e00
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SHA1
e4a28f90d4983b9f695ffa9c31ad78b41ead5486
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SHA256
6885e04a544ad8fa205ceea2ba30556b70b3ba28feb7831ac9573fa1cbf071d7
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SHA512
cdc534ccaaaa556a5ea12dbb0e613cc1530cfafba7ccce257c5f1481a27231bcd8cd2eb7cb7d7d95fb329acb20ad68327f8f07b2e67efd75736674fc062d148f
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SSDEEP
1536:vPA/IAt1hxMZVlfQv6QHJv+O2HetSEgScJc7HmD24GW0CmuJd4BXL:3AQA7hxmlfQ5pv+O2+8EyJcUBbd45
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2596 a01cdaec6528a511a52bc21c27161e00_NEIKI.exe -
Executes dropped EXE 1 IoCs
pid Process 2596 a01cdaec6528a511a52bc21c27161e00_NEIKI.exe -
Loads dropped DLL 1 IoCs
pid Process 1676 a01cdaec6528a511a52bc21c27161e00_NEIKI.exe -
resource yara_rule behavioral1/memory/1676-0-0x0000000000400000-0x000000000043A000-memory.dmp upx behavioral1/files/0x000b000000014319-10.dat upx behavioral1/memory/2596-16-0x0000000000400000-0x000000000043A000-memory.dmp upx -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1676 a01cdaec6528a511a52bc21c27161e00_NEIKI.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 1676 a01cdaec6528a511a52bc21c27161e00_NEIKI.exe 2596 a01cdaec6528a511a52bc21c27161e00_NEIKI.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1676 wrote to memory of 2596 1676 a01cdaec6528a511a52bc21c27161e00_NEIKI.exe 29 PID 1676 wrote to memory of 2596 1676 a01cdaec6528a511a52bc21c27161e00_NEIKI.exe 29 PID 1676 wrote to memory of 2596 1676 a01cdaec6528a511a52bc21c27161e00_NEIKI.exe 29 PID 1676 wrote to memory of 2596 1676 a01cdaec6528a511a52bc21c27161e00_NEIKI.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\a01cdaec6528a511a52bc21c27161e00_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\a01cdaec6528a511a52bc21c27161e00_NEIKI.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Users\Admin\AppData\Local\Temp\a01cdaec6528a511a52bc21c27161e00_NEIKI.exeC:\Users\Admin\AppData\Local\Temp\a01cdaec6528a511a52bc21c27161e00_NEIKI.exe2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:2596
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
80KB
MD56c38ddfebe001d5b8229461e24a1e6c1
SHA162f187b335dbd3dc2bd749f6cc3e04eca1c9d09c
SHA25639b984f303a9a0f4562c773f7871e987fadb6593ce500c014edddaebbbc15e96
SHA5121034f84f476c2e7728a59e4d124fe422ad18776518ca0e7133e6b0d569111a8df1e105235e7913d10c575dae9c092a77588191b0c7e68916c96dd13b5312cd57