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Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02/01/2025, 03:23
Behavioral task
behavioral1
Sample
b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe
Resource
win10v2004-20241007-en
General
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Target
b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe
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Size
90KB
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MD5
3c00e14341c5c81c31178f588e2b9161
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SHA1
1ca37d09d488cde5939744e040c437081db85f11
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SHA256
b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22
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SHA512
7baa9ab90e17eee8e4f86da0eacb1372a3c96448c1f683ad6281644fe43f7359e950251cdab30fb1da84aa9b01f9725b8461e7cabe3df5f405ffd5136b775dcb
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDj:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3p
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/1636-265-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1696 csrsll.exe 1364 csrsll.exe 1636 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2568 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 2568 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 2568 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 2568 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 2568 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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 2308 set thread context of 2568 2308 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 31 PID 1696 set thread context of 1364 1696 csrsll.exe 36 PID 1696 set thread context of 1636 1696 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2308-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2308-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2308-59-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2308-87-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2308-94-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2568-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2308-84-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2308-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2308-80-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2568-111-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2568-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2568-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2308-107-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2568-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2568-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0005000000004ed7-136.dat upx behavioral1/memory/2568-157-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1696-217-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1696-258-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2568-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1636-256-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1364-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1636-265-0x0000000000400000-0x0000000000414000-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 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.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 csrsll.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe Token: SeDebugPrivilege 1364 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2308 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 2568 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 1696 csrsll.exe 1364 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2308 wrote to memory of 2568 2308 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 31 PID 2308 wrote to memory of 2568 2308 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 31 PID 2308 wrote to memory of 2568 2308 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 31 PID 2308 wrote to memory of 2568 2308 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 31 PID 2308 wrote to memory of 2568 2308 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 31 PID 2308 wrote to memory of 2568 2308 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 31 PID 2308 wrote to memory of 2568 2308 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 31 PID 2308 wrote to memory of 2568 2308 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 31 PID 2568 wrote to memory of 1248 2568 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 32 PID 2568 wrote to memory of 1248 2568 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 32 PID 2568 wrote to memory of 1248 2568 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 32 PID 2568 wrote to memory of 1248 2568 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 32 PID 1248 wrote to memory of 1704 1248 cmd.exe 34 PID 1248 wrote to memory of 1704 1248 cmd.exe 34 PID 1248 wrote to memory of 1704 1248 cmd.exe 34 PID 1248 wrote to memory of 1704 1248 cmd.exe 34 PID 2568 wrote to memory of 1696 2568 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 35 PID 2568 wrote to memory of 1696 2568 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 35 PID 2568 wrote to memory of 1696 2568 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 35 PID 2568 wrote to memory of 1696 2568 b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe 35 PID 1696 wrote to memory of 1364 1696 csrsll.exe 36 PID 1696 wrote to memory of 1364 1696 csrsll.exe 36 PID 1696 wrote to memory of 1364 1696 csrsll.exe 36 PID 1696 wrote to memory of 1364 1696 csrsll.exe 36 PID 1696 wrote to memory of 1364 1696 csrsll.exe 36 PID 1696 wrote to memory of 1364 1696 csrsll.exe 36 PID 1696 wrote to memory of 1364 1696 csrsll.exe 36 PID 1696 wrote to memory of 1364 1696 csrsll.exe 36 PID 1696 wrote to memory of 1636 1696 csrsll.exe 37 PID 1696 wrote to memory of 1636 1696 csrsll.exe 37 PID 1696 wrote to memory of 1636 1696 csrsll.exe 37 PID 1696 wrote to memory of 1636 1696 csrsll.exe 37 PID 1696 wrote to memory of 1636 1696 csrsll.exe 37 PID 1696 wrote to memory of 1636 1696 csrsll.exe 37 PID 1696 wrote to memory of 1636 1696 csrsll.exe 37 PID 1696 wrote to memory of 1636 1696 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe"C:\Users\Admin\AppData\Local\Temp\b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Users\Admin\AppData\Local\Temp\b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe"C:\Users\Admin\AppData\Local\Temp\b873d378c61c50dbad17b3d1070a6cdf85c6d60f3813c8397793f17f99778e22.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2568 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\FTSEM.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1248 -
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:1704
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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:1696 -
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:1364
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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:1636
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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
MD528e1fd2a8412ef258dc7d4f8ec14830e
SHA1504eab570bdca880612b81adb01e3cfca1411c5b
SHA2566fc5d34ce469ed36e2206729ca02fd126ae41f5270aba6c840c467bf5dc42aa5
SHA5126a18ef80690694dd280c2d0726bf7c7f22e60c50835e6e60f498e2397d504a747e57a3eca71a22984280fd781a591853fd3da726f516b5127b54c83f892e4858