Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
08-05-2024 05:29
Behavioral task
behavioral1
Sample
e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe
Resource
win10v2004-20240426-en
General
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Target
e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe
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Size
326KB
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MD5
e3c81fb93bf96c6a19dd9bf37d43d110
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SHA1
65c724c24ccfb8279b75897c8b38047a7000bde4
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SHA256
637b36c849a35dc866096ebf9223b8adfa0743fc8734c1692f2eb4e3f69fbff3
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SHA512
e03f798f029161cfb2976dcaf4e8cd89c77d7784c8d943f176b9c817c8fe99b70534062bdded5c2d18a23ed4c016c37ded929df36075a2ce4f397901e85147ae
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SSDEEP
3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:h0sxD5cwohO+O1sVG0/pZ6iPC8
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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ModiLoader Second Stage 4 IoCs
Processes:
resource yara_rule behavioral2/memory/1828-49-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1828-52-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1828-50-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1828-58-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 1268 csrsll.exe 3060 csrsll.exe 1828 csrsll.exe -
Processes:
resource yara_rule behavioral2/memory/3416-0-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/404-3-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/404-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3416-10-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/404-11-0x0000000000400000-0x000000000040B000-memory.dmp upx C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral2/memory/1268-36-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/1268-39-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/1828-45-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1828-48-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1828-49-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1828-52-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1828-50-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1268-54-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/404-55-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3060-57-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1828-58-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.execsrsll.exedescription pid process target process PID 3416 set thread context of 404 3416 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe PID 1268 set thread context of 3060 1268 csrsll.exe csrsll.exe PID 1268 set thread context of 1828 1268 csrsll.exe csrsll.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
csrsll.exedescription pid process Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe Token: SeDebugPrivilege 3060 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exee3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.execsrsll.execsrsll.exepid process 3416 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe 404 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe 1268 csrsll.exe 3060 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exee3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.execmd.execsrsll.exedescription pid process target process PID 3416 wrote to memory of 404 3416 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe PID 3416 wrote to memory of 404 3416 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe PID 3416 wrote to memory of 404 3416 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe PID 3416 wrote to memory of 404 3416 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe PID 3416 wrote to memory of 404 3416 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe PID 3416 wrote to memory of 404 3416 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe PID 3416 wrote to memory of 404 3416 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe PID 3416 wrote to memory of 404 3416 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe PID 404 wrote to memory of 1136 404 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe cmd.exe PID 404 wrote to memory of 1136 404 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe cmd.exe PID 404 wrote to memory of 1136 404 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe cmd.exe PID 1136 wrote to memory of 4032 1136 cmd.exe reg.exe PID 1136 wrote to memory of 4032 1136 cmd.exe reg.exe PID 1136 wrote to memory of 4032 1136 cmd.exe reg.exe PID 404 wrote to memory of 1268 404 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe csrsll.exe PID 404 wrote to memory of 1268 404 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe csrsll.exe PID 404 wrote to memory of 1268 404 e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe csrsll.exe PID 1268 wrote to memory of 3060 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 3060 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 3060 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 3060 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 3060 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 3060 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 3060 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 3060 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 1828 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 1828 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 1828 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 1828 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 1828 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 1828 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 1828 1268 csrsll.exe csrsll.exe PID 1268 wrote to memory of 1828 1268 csrsll.exe csrsll.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3416 -
C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\e3c81fb93bf96c6a19dd9bf37d43d110_NEIKI.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:404 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NJIVC.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:1136 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f4⤵
- Adds Run key to start application
PID:4032 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3060 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:1828
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
145B
MD54eb61ec7816c34ec8c125acadc57ec1b
SHA1b0015cc865c0bb1a027be663027d3829401a31cc
SHA25608375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
SHA512f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
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Filesize
326KB
MD5a6ef61cc240e33c0e9f22f1b0065b370
SHA1890208a833f0d01c09109993acca8e560f53c9b5
SHA256472c93815b8a11c92aacdacabdb921d83dad201a8a68f3703a4deca8e9d4bdce
SHA512556268d1e655e93c9c9fc977392bf99562892d1fdcf21c5f4863277b5501e25f1f7997c7163fcaf30fa24c005e8d6d1de07c4f4a726331e1fe473821b48b4129