Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
16-12-2024 04:17
Behavioral task
behavioral1
Sample
87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe
Resource
win10v2004-20241007-en
General
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Target
87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe
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Size
90KB
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MD5
8a62fc602f4e04f0fa89b8b2ef77fe20
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SHA1
b6d325290e9a187ed3c73d6a04a0e29a7e071be7
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SHA256
87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7
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SHA512
fc52d803840999349c3b94b460c090d5b67a7fab05ddffaa91b64e7a4346109543b162c0697f689abd110a1859f446cf5244deffe871117cdf18f712503f29a6
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDn:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3V
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/2256-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 580 csrsll.exe 1328 csrsll.exe 2256 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2736 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 2736 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 2736 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 2736 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 2736 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\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 1944 set thread context of 2736 1944 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 30 PID 580 set thread context of 1328 580 csrsll.exe 36 PID 580 set thread context of 2256 580 csrsll.exe 37 -
resource yara_rule behavioral1/memory/1944-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1944-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1944-95-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2736-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2736-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2736-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1944-101-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1944-100-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2736-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2736-93-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2736-91-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000b00000001202c-132.dat upx behavioral1/memory/2736-134-0x0000000003240000-0x0000000003293000-memory.dmp upx behavioral1/memory/2736-153-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/580-217-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2256-254-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1328-253-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/580-250-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2736-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1328-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2256-262-0x0000000000400000-0x0000000000414000-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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe Token: SeDebugPrivilege 1328 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1944 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 2736 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 580 csrsll.exe 1328 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1944 wrote to memory of 2736 1944 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 30 PID 1944 wrote to memory of 2736 1944 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 30 PID 1944 wrote to memory of 2736 1944 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 30 PID 1944 wrote to memory of 2736 1944 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 30 PID 1944 wrote to memory of 2736 1944 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 30 PID 1944 wrote to memory of 2736 1944 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 30 PID 1944 wrote to memory of 2736 1944 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 30 PID 1944 wrote to memory of 2736 1944 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 30 PID 2736 wrote to memory of 1304 2736 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 31 PID 2736 wrote to memory of 1304 2736 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 31 PID 2736 wrote to memory of 1304 2736 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 31 PID 2736 wrote to memory of 1304 2736 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 31 PID 1304 wrote to memory of 708 1304 cmd.exe 33 PID 1304 wrote to memory of 708 1304 cmd.exe 33 PID 1304 wrote to memory of 708 1304 cmd.exe 33 PID 1304 wrote to memory of 708 1304 cmd.exe 33 PID 2736 wrote to memory of 580 2736 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 34 PID 2736 wrote to memory of 580 2736 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 34 PID 2736 wrote to memory of 580 2736 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 34 PID 2736 wrote to memory of 580 2736 87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe 34 PID 580 wrote to memory of 1328 580 csrsll.exe 36 PID 580 wrote to memory of 1328 580 csrsll.exe 36 PID 580 wrote to memory of 1328 580 csrsll.exe 36 PID 580 wrote to memory of 1328 580 csrsll.exe 36 PID 580 wrote to memory of 1328 580 csrsll.exe 36 PID 580 wrote to memory of 1328 580 csrsll.exe 36 PID 580 wrote to memory of 1328 580 csrsll.exe 36 PID 580 wrote to memory of 1328 580 csrsll.exe 36 PID 580 wrote to memory of 2256 580 csrsll.exe 37 PID 580 wrote to memory of 2256 580 csrsll.exe 37 PID 580 wrote to memory of 2256 580 csrsll.exe 37 PID 580 wrote to memory of 2256 580 csrsll.exe 37 PID 580 wrote to memory of 2256 580 csrsll.exe 37 PID 580 wrote to memory of 2256 580 csrsll.exe 37 PID 580 wrote to memory of 2256 580 csrsll.exe 37 PID 580 wrote to memory of 2256 580 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe"C:\Users\Admin\AppData\Local\Temp\87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Users\Admin\AppData\Local\Temp\87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe"C:\Users\Admin\AppData\Local\Temp\87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\RWHFJ.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1304 -
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:708
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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:580 -
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:1328
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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:2256
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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
MD5206e09d3605e447a631b1fcaaa698c33
SHA1368444d09ca23881a19d9e38546a48cea084e483
SHA2563e548ce1a2d7c4ffdff383e0c83802135da7f416d8598d5a93abcdd140392299
SHA5120ecac64caebb50219e222e37e680da8d9dd8d88bb2900d39ed6bcb9b5a5acf9b4db4159ebf79decaf62662013c2fd6d6873011abe73ceb6ffa616b73a0a9c6cb