Analysis
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max time kernel
149s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-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 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1476-259-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 1940 csrsll.exe 768 csrsll.exe 1476 csrsll.exe -
Loads dropped DLL 5 IoCs
Processes:
cdf5fd113dde40d22ae10c54022558e0_NEIKI.exepid process 2656 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe 2656 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe 2656 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe 2656 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe 2656 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe -
Processes:
resource yara_rule behavioral1/memory/2068-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2068-88-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2656-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2656-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2068-102-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2656-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2656-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2656-93-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2656-91-0x0000000000400000-0x000000000040B000-memory.dmp upx \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral1/memory/2656-135-0x00000000026E0000-0x0000000002733000-memory.dmp upx behavioral1/memory/1940-149-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1940-227-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1476-243-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2656-253-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1940-250-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1476-259-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/768-258-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\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 2068 set thread context of 2656 2068 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 1940 set thread context of 768 1940 csrsll.exe csrsll.exe PID 1940 set thread context of 1476 1940 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 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe Token: SeDebugPrivilege 768 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
cdf5fd113dde40d22ae10c54022558e0_NEIKI.execdf5fd113dde40d22ae10c54022558e0_NEIKI.execsrsll.execsrsll.exepid process 2068 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe 2656 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe 1940 csrsll.exe 768 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
cdf5fd113dde40d22ae10c54022558e0_NEIKI.execdf5fd113dde40d22ae10c54022558e0_NEIKI.execmd.execsrsll.exedescription pid process target process PID 2068 wrote to memory of 2656 2068 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2068 wrote to memory of 2656 2068 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2068 wrote to memory of 2656 2068 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2068 wrote to memory of 2656 2068 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2068 wrote to memory of 2656 2068 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2068 wrote to memory of 2656 2068 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2068 wrote to memory of 2656 2068 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2068 wrote to memory of 2656 2068 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe PID 2656 wrote to memory of 1936 2656 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cmd.exe PID 2656 wrote to memory of 1936 2656 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cmd.exe PID 2656 wrote to memory of 1936 2656 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cmd.exe PID 2656 wrote to memory of 1936 2656 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe cmd.exe PID 1936 wrote to memory of 2208 1936 cmd.exe reg.exe PID 1936 wrote to memory of 2208 1936 cmd.exe reg.exe PID 1936 wrote to memory of 2208 1936 cmd.exe reg.exe PID 1936 wrote to memory of 2208 1936 cmd.exe reg.exe PID 2656 wrote to memory of 1940 2656 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe csrsll.exe PID 2656 wrote to memory of 1940 2656 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe csrsll.exe PID 2656 wrote to memory of 1940 2656 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe csrsll.exe PID 2656 wrote to memory of 1940 2656 cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe csrsll.exe PID 1940 wrote to memory of 768 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 768 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 768 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 768 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 768 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 768 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 768 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 768 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 1476 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 1476 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 1476 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 1476 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 1476 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 1476 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 1476 1940 csrsll.exe csrsll.exe PID 1940 wrote to memory of 1476 1940 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:2068 -
C:\Users\Admin\AppData\Local\Temp\cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\PTFDH.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:1936 -
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:2208 -
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:1940 -
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:768 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:1476
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
MD55412663ddd1b59b1f728e50478a46c0b
SHA1e7d28a0300b2e3d4875846b5a971a31ea05a374c
SHA256a7e8ecdf4b395bf69ca1220c3fa35686e8ae8aeb04924bb0ceba557d17e83503
SHA512d250a2b78a0cca7b788af3aa14749bdac3d6d7b7a5b244785f4c33f8ef5f531d18c4cbcf18028cbc734fb9f4812121fe00135e109b62b3d73023e7cfc4d24fa7