Analysis
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max time kernel
149s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 07:28
Behavioral task
behavioral1
Sample
eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe
Resource
win10v2004-20241007-en
General
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Target
eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe
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Size
90KB
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MD5
2ca4dcb4270982ee33c10efc8e6a5dee
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SHA1
a3c65c6c4f6097bfb9ad527e9497e77d0285eff4
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SHA256
eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9
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SHA512
43577655e88c9cc199da718bb6bdba5837fff223283a0367349e691b389520cba93ee0d5978beabec82648743aad16e011fc0f4c0421522d1c1258e59283d016
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDv:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE39
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 family
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ModiLoader Second Stage 1 IoCs
resource yara_rule behavioral1/memory/612-268-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2572 csrsll.exe 408 csrsll.exe 612 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2632 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 2632 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 2632 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 2632 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 2632 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2192 set thread context of 2632 2192 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 30 PID 2572 set thread context of 408 2572 csrsll.exe 35 PID 2572 set thread context of 612 2572 csrsll.exe 36 -
resource yara_rule behavioral1/memory/2192-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2192-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2192-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2192-93-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2632-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2192-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2632-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2632-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2192-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2192-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2192-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2632-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2632-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2632-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2632-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2632-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000a00000001225f-135.dat upx behavioral1/memory/2632-137-0x00000000026D0000-0x0000000002723000-memory.dmp upx behavioral1/memory/2572-157-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2632-159-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2572-219-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2632-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/408-257-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2572-256-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/612-261-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/408-265-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/612-268-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe Token: SeDebugPrivilege 408 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2192 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 2632 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 2572 csrsll.exe 408 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2192 wrote to memory of 2632 2192 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 30 PID 2192 wrote to memory of 2632 2192 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 30 PID 2192 wrote to memory of 2632 2192 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 30 PID 2192 wrote to memory of 2632 2192 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 30 PID 2192 wrote to memory of 2632 2192 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 30 PID 2192 wrote to memory of 2632 2192 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 30 PID 2192 wrote to memory of 2632 2192 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 30 PID 2192 wrote to memory of 2632 2192 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 30 PID 2632 wrote to memory of 2876 2632 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 31 PID 2632 wrote to memory of 2876 2632 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 31 PID 2632 wrote to memory of 2876 2632 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 31 PID 2632 wrote to memory of 2876 2632 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 31 PID 2876 wrote to memory of 2972 2876 cmd.exe 33 PID 2876 wrote to memory of 2972 2876 cmd.exe 33 PID 2876 wrote to memory of 2972 2876 cmd.exe 33 PID 2876 wrote to memory of 2972 2876 cmd.exe 33 PID 2632 wrote to memory of 2572 2632 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 34 PID 2632 wrote to memory of 2572 2632 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 34 PID 2632 wrote to memory of 2572 2632 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 34 PID 2632 wrote to memory of 2572 2632 eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe 34 PID 2572 wrote to memory of 408 2572 csrsll.exe 35 PID 2572 wrote to memory of 408 2572 csrsll.exe 35 PID 2572 wrote to memory of 408 2572 csrsll.exe 35 PID 2572 wrote to memory of 408 2572 csrsll.exe 35 PID 2572 wrote to memory of 408 2572 csrsll.exe 35 PID 2572 wrote to memory of 408 2572 csrsll.exe 35 PID 2572 wrote to memory of 408 2572 csrsll.exe 35 PID 2572 wrote to memory of 408 2572 csrsll.exe 35 PID 2572 wrote to memory of 612 2572 csrsll.exe 36 PID 2572 wrote to memory of 612 2572 csrsll.exe 36 PID 2572 wrote to memory of 612 2572 csrsll.exe 36 PID 2572 wrote to memory of 612 2572 csrsll.exe 36 PID 2572 wrote to memory of 612 2572 csrsll.exe 36 PID 2572 wrote to memory of 612 2572 csrsll.exe 36 PID 2572 wrote to memory of 612 2572 csrsll.exe 36 PID 2572 wrote to memory of 612 2572 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe"C:\Users\Admin\AppData\Local\Temp\eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2192 -
C:\Users\Admin\AppData\Local\Temp\eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe"C:\Users\Admin\AppData\Local\Temp\eb99ebb89f4dff3a1f417e9deb80fb6d3dca752037b0534033e981bfb27d4ff9.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2632 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\MRWCD.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876 -
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
- System Location Discovery: System Language Discovery
PID:2972
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2572 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:408
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:612
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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
MD5ea86213530fc52c5fb4045417ca7a3d6
SHA1c7480307276562ee29149b06f81359cb930a0419
SHA2563b31a0758252992c20530572fd4074b25cfe0df674c1aab5a6ddb116c68ee9b2
SHA51214c3490dce5ff18a5a9f3fa2bc1898f2e58db4f0392e844e7eb0c9dd4c39d5dcdbb9676c93b60801ffdc7a406deecdbdfda2664c883d277cb83d0801d1f36d79