Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 02:38
Behavioral task
behavioral1
Sample
2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe
Resource
win10v2004-20241007-en
General
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Target
2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe
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Size
90KB
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MD5
5d0bcd6512e791fa341784aa32167060
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SHA1
0ccd03af2aabd6306d5d320a0ae22408e66c61f4
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SHA256
2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9b
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SHA512
cf4cb2b3224510bdc9ef8c609dab40af4f5c057c610ff2933f028fc0d1463b06c9ef442388c86c5694196b34bd54d34a85cf8c1365b683054f6a03881d855525
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDD:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3l
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/2968-256-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1648 csrsll.exe 376 csrsll.exe 2968 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2620 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 2620 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 2620 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 2620 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 2620 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.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 2540 set thread context of 2620 2540 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 30 PID 1648 set thread context of 376 1648 csrsll.exe 36 PID 1648 set thread context of 2968 1648 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2540-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2540-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2540-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2540-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2540-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2540-63-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2540-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x000a0000000120f9-136.dat upx behavioral1/memory/2620-147-0x00000000026C0000-0x0000000002713000-memory.dmp upx behavioral1/memory/2620-155-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1648-220-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2968-256-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1648-254-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/376-262-0x0000000000400000-0x000000000040B000-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 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe Token: SeDebugPrivilege 376 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2540 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 2620 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 1648 csrsll.exe 376 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2540 wrote to memory of 2620 2540 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 30 PID 2540 wrote to memory of 2620 2540 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 30 PID 2540 wrote to memory of 2620 2540 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 30 PID 2540 wrote to memory of 2620 2540 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 30 PID 2540 wrote to memory of 2620 2540 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 30 PID 2540 wrote to memory of 2620 2540 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 30 PID 2540 wrote to memory of 2620 2540 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 30 PID 2540 wrote to memory of 2620 2540 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 30 PID 2620 wrote to memory of 1884 2620 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 31 PID 2620 wrote to memory of 1884 2620 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 31 PID 2620 wrote to memory of 1884 2620 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 31 PID 2620 wrote to memory of 1884 2620 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 31 PID 1884 wrote to memory of 1308 1884 cmd.exe 33 PID 1884 wrote to memory of 1308 1884 cmd.exe 33 PID 1884 wrote to memory of 1308 1884 cmd.exe 33 PID 1884 wrote to memory of 1308 1884 cmd.exe 33 PID 2620 wrote to memory of 1648 2620 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 34 PID 2620 wrote to memory of 1648 2620 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 34 PID 2620 wrote to memory of 1648 2620 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 34 PID 2620 wrote to memory of 1648 2620 2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe 34 PID 1648 wrote to memory of 376 1648 csrsll.exe 36 PID 1648 wrote to memory of 376 1648 csrsll.exe 36 PID 1648 wrote to memory of 376 1648 csrsll.exe 36 PID 1648 wrote to memory of 376 1648 csrsll.exe 36 PID 1648 wrote to memory of 376 1648 csrsll.exe 36 PID 1648 wrote to memory of 376 1648 csrsll.exe 36 PID 1648 wrote to memory of 376 1648 csrsll.exe 36 PID 1648 wrote to memory of 376 1648 csrsll.exe 36 PID 1648 wrote to memory of 2968 1648 csrsll.exe 37 PID 1648 wrote to memory of 2968 1648 csrsll.exe 37 PID 1648 wrote to memory of 2968 1648 csrsll.exe 37 PID 1648 wrote to memory of 2968 1648 csrsll.exe 37 PID 1648 wrote to memory of 2968 1648 csrsll.exe 37 PID 1648 wrote to memory of 2968 1648 csrsll.exe 37 PID 1648 wrote to memory of 2968 1648 csrsll.exe 37 PID 1648 wrote to memory of 2968 1648 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe"C:\Users\Admin\AppData\Local\Temp\2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Users\Admin\AppData\Local\Temp\2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe"C:\Users\Admin\AppData\Local\Temp\2b2b2e16f9e37e8f23beb98d2b7423e1060c0be98e21f69757af3a1151446c9bN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\DOPKJ.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1884 -
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:1308
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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:1648 -
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:376
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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:2968
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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
MD5c1eeca52499f5e4121f34618c2d37166
SHA1fb79dacf87e0812e2cb46c8d997f6765d41f5c70
SHA2561b4092b79aed460bb642bd2d9295d53e28352cfdcf0638bb8d444c747fe537fd
SHA5126441008f41b933d5da71efc5e1a29bf9e3310d6ac5eb53cf4fa5e3f7b7b79dced8cc5f760b7a484ce92dac19f91e56d73cee9ce8d46e0faebb9df46a082df772