Analysis
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max time kernel
119s -
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
01-01-2025 17:30
Behavioral task
behavioral1
Sample
b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe
Resource
win10v2004-20241007-en
General
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Target
b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe
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Size
90KB
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MD5
d1af45176b1d0f68cb62930d12fe16d0
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SHA1
f153f97f312c7416f44f7467637a692411f3c6af
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SHA256
b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443c
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SHA512
60e2d32c0009ef11536343a252ad3c834d0fa5248a680b14c5ca936b1029a7f5d8c32757e26c82768c273c25dbe46f84ae2dad2aefc2b7e92cc14b1237c13ba1
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDT:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3d
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 2 IoCs
resource yara_rule behavioral1/memory/952-261-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/952-270-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1524 csrsll.exe 1096 csrsll.exe 952 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 532 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 532 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 532 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 532 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 532 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\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 2024 set thread context of 532 2024 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 31 PID 1524 set thread context of 1096 1524 csrsll.exe 36 PID 1524 set thread context of 952 1524 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2024-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-94-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-84-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/532-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/532-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/532-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/532-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/532-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/532-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2024-111-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x0005000000004ed7-136.dat upx behavioral1/memory/1524-156-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/532-151-0x0000000002720000-0x0000000002773000-memory.dmp upx behavioral1/memory/532-150-0x0000000002720000-0x0000000002773000-memory.dmp upx behavioral1/memory/532-159-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1524-221-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/952-261-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1524-260-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1096-249-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1524-263-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/532-266-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1096-267-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/952-270-0x0000000000400000-0x0000000000414000-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 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.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 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe Token: SeDebugPrivilege 1096 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2024 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 532 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 1524 csrsll.exe 1096 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2024 wrote to memory of 532 2024 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 31 PID 2024 wrote to memory of 532 2024 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 31 PID 2024 wrote to memory of 532 2024 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 31 PID 2024 wrote to memory of 532 2024 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 31 PID 2024 wrote to memory of 532 2024 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 31 PID 2024 wrote to memory of 532 2024 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 31 PID 2024 wrote to memory of 532 2024 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 31 PID 2024 wrote to memory of 532 2024 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 31 PID 532 wrote to memory of 1232 532 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 32 PID 532 wrote to memory of 1232 532 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 32 PID 532 wrote to memory of 1232 532 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 32 PID 532 wrote to memory of 1232 532 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 32 PID 1232 wrote to memory of 1248 1232 cmd.exe 34 PID 1232 wrote to memory of 1248 1232 cmd.exe 34 PID 1232 wrote to memory of 1248 1232 cmd.exe 34 PID 1232 wrote to memory of 1248 1232 cmd.exe 34 PID 532 wrote to memory of 1524 532 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 35 PID 532 wrote to memory of 1524 532 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 35 PID 532 wrote to memory of 1524 532 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 35 PID 532 wrote to memory of 1524 532 b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe 35 PID 1524 wrote to memory of 1096 1524 csrsll.exe 36 PID 1524 wrote to memory of 1096 1524 csrsll.exe 36 PID 1524 wrote to memory of 1096 1524 csrsll.exe 36 PID 1524 wrote to memory of 1096 1524 csrsll.exe 36 PID 1524 wrote to memory of 1096 1524 csrsll.exe 36 PID 1524 wrote to memory of 1096 1524 csrsll.exe 36 PID 1524 wrote to memory of 1096 1524 csrsll.exe 36 PID 1524 wrote to memory of 1096 1524 csrsll.exe 36 PID 1524 wrote to memory of 952 1524 csrsll.exe 37 PID 1524 wrote to memory of 952 1524 csrsll.exe 37 PID 1524 wrote to memory of 952 1524 csrsll.exe 37 PID 1524 wrote to memory of 952 1524 csrsll.exe 37 PID 1524 wrote to memory of 952 1524 csrsll.exe 37 PID 1524 wrote to memory of 952 1524 csrsll.exe 37 PID 1524 wrote to memory of 952 1524 csrsll.exe 37 PID 1524 wrote to memory of 952 1524 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe"C:\Users\Admin\AppData\Local\Temp\b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Users\Admin\AppData\Local\Temp\b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe"C:\Users\Admin\AppData\Local\Temp\b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443cN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:532 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\AMQNB.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1232 -
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:1248
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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:1524 -
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:1096
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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:952
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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
MD5d1af45176b1d0f68cb62930d12fe16d0
SHA1f153f97f312c7416f44f7467637a692411f3c6af
SHA256b8a710f52f6fcd7912241ee9297af2d41c8592587505e35cd7d67fc75038443c
SHA51260e2d32c0009ef11536343a252ad3c834d0fa5248a680b14c5ca936b1029a7f5d8c32757e26c82768c273c25dbe46f84ae2dad2aefc2b7e92cc14b1237c13ba1