Analysis
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max time kernel
152s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08-05-2024 13:54
Behavioral task
behavioral1
Sample
cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe
Resource
win10v2004-20240226-en
General
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Target
cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe
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Size
90KB
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MD5
cdf5fd113dde40d22ae10c54022558e0
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SHA1
b71056a270aa0c193c962768114e6b959aa69177
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SHA256
bb7b31ac0a920d74271e910ff619ad0d04867be4e1ff6b4643c0bb8513be3f7b
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SHA512
285731c8e914819659d88db2dd230f727e808176d032177869ca3fdec3285c0596b00c7e3dda8e50da1a620085d076cfa81d3ae51b1b70f15731f29209e80930
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
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/4980-59-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4980-58-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4980-60-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4980-65-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
cdf5fd113dde40d22ae10c54022558e0_NEIKI.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 3988 csrsll.exe 4812 csrsll.exe 4980 csrsll.exe -
Processes:
resource yara_rule behavioral2/memory/2828-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2828-1-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2828-4-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2232-7-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2232-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2232-11-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2828-14-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2232-21-0x0000000000400000-0x000000000040B000-memory.dmp upx C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral2/memory/3988-38-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2232-37-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2232-42-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3988-43-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3988-44-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4980-47-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3988-53-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4980-57-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4980-59-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4980-58-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4980-60-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2232-63-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4812-64-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4980-65-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
cdf5fd113dde40d22ae10c54022558e0_NEIKI.execsrsll.exedescription pid process target process PID 2828 set thread context of 2232 2828 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 3988 set thread context of 4812 3988 csrsll.exe csrsll.exe PID 3988 set thread context of 4980 3988 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 59 IoCs
Processes:
csrsll.exedescription pid process Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe Token: SeDebugPrivilege 4812 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
cdf5fd113dde40d22ae10c54022558e0_NEIKI.execdf5fd113dde40d22ae10c54022558e0_NEIKI.execsrsll.execsrsll.exepid process 2828 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe 2232 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe 3988 csrsll.exe 4812 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
cdf5fd113dde40d22ae10c54022558e0_NEIKI.execdf5fd113dde40d22ae10c54022558e0_NEIKI.execmd.execsrsll.exedescription pid process target process PID 2828 wrote to memory of 2232 2828 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2828 wrote to memory of 2232 2828 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2828 wrote to memory of 2232 2828 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2828 wrote to memory of 2232 2828 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2828 wrote to memory of 2232 2828 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2828 wrote to memory of 2232 2828 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2828 wrote to memory of 2232 2828 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2828 wrote to memory of 2232 2828 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2232 wrote to memory of 4716 2232 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cmd.exe PID 2232 wrote to memory of 4716 2232 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cmd.exe PID 2232 wrote to memory of 4716 2232 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cmd.exe PID 4716 wrote to memory of 4568 4716 cmd.exe reg.exe PID 4716 wrote to memory of 4568 4716 cmd.exe reg.exe PID 4716 wrote to memory of 4568 4716 cmd.exe reg.exe PID 2232 wrote to memory of 3988 2232 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe csrsll.exe PID 2232 wrote to memory of 3988 2232 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe csrsll.exe PID 2232 wrote to memory of 3988 2232 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe csrsll.exe PID 3988 wrote to memory of 4812 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4812 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4812 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4812 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4812 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4812 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4812 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4812 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4980 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4980 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4980 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4980 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4980 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4980 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4980 3988 csrsll.exe csrsll.exe PID 3988 wrote to memory of 4980 3988 csrsll.exe csrsll.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2828 -
C:\Users\Admin\AppData\Local\Temp\cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\WDEBK.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:4716 -
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:4568 -
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:3988 -
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:4812 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:4980
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4160 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:4104
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
90KB
MD5807995eab5fa7467e7a65da6a48d3509
SHA123a7c07f4b6e2ac879eb4104e73257e1556f9cb9
SHA2567764d2cee5b749537e727afd2cdb00bba87e0e97b37e8c8969fa867fd6e40645
SHA512b9bb02bec2f0a929fd33d612b2d6c7515a6aa384036c37dab8ee46832e8cee378ef630d856635666bd75667f0cdcdedd77a333cabc07908d8118dc9b2183eb4f