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
04-12-2024 00:06
Behavioral task
behavioral1
Sample
7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe
Resource
win10v2004-20241007-en
General
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Target
7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe
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Size
90KB
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MD5
4e0812882e1979a0a91e0f5b08149856
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SHA1
735b0599c89836e23d69c0c9ca80c3c549827eeb
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SHA256
7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993
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SHA512
b7a8d72ed01c1ecebf1cf496ea907ead758b1f6f14f1a8dc8c3b6fd33da09ec74b50caad83652993342a8103d592f6783fc499cfbc0e9ec68951ab411f99c1d0
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDl:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3X
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/1436-251-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1436-260-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2364 csrsll.exe 836 csrsll.exe 1436 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2788 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 2788 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 2788 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 2788 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 2788 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\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 2552 set thread context of 2788 2552 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 31 PID 2364 set thread context of 836 2364 csrsll.exe 36 PID 2364 set thread context of 1436 2364 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2552-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2552-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2788-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2788-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2788-92-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2788-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2552-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2552-85-0x0000000000090000-0x0000000000190000-memory.dmp upx behavioral1/memory/2552-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2788-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2788-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2788-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2788-144-0x0000000002930000-0x0000000002983000-memory.dmp upx behavioral1/files/0x0004000000013d08-142.dat upx behavioral1/memory/2364-150-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2788-153-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2364-212-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1436-251-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2364-255-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2788-258-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1436-260-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/836-259-0x0000000000400000-0x000000000040B000-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 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.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 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe Token: SeDebugPrivilege 836 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2552 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 2788 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 2364 csrsll.exe 836 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2552 wrote to memory of 2788 2552 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 31 PID 2552 wrote to memory of 2788 2552 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 31 PID 2552 wrote to memory of 2788 2552 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 31 PID 2552 wrote to memory of 2788 2552 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 31 PID 2552 wrote to memory of 2788 2552 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 31 PID 2552 wrote to memory of 2788 2552 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 31 PID 2552 wrote to memory of 2788 2552 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 31 PID 2552 wrote to memory of 2788 2552 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 31 PID 2788 wrote to memory of 1608 2788 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 32 PID 2788 wrote to memory of 1608 2788 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 32 PID 2788 wrote to memory of 1608 2788 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 32 PID 2788 wrote to memory of 1608 2788 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 32 PID 1608 wrote to memory of 2944 1608 cmd.exe 34 PID 1608 wrote to memory of 2944 1608 cmd.exe 34 PID 1608 wrote to memory of 2944 1608 cmd.exe 34 PID 1608 wrote to memory of 2944 1608 cmd.exe 34 PID 2788 wrote to memory of 2364 2788 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 35 PID 2788 wrote to memory of 2364 2788 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 35 PID 2788 wrote to memory of 2364 2788 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 35 PID 2788 wrote to memory of 2364 2788 7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe 35 PID 2364 wrote to memory of 836 2364 csrsll.exe 36 PID 2364 wrote to memory of 836 2364 csrsll.exe 36 PID 2364 wrote to memory of 836 2364 csrsll.exe 36 PID 2364 wrote to memory of 836 2364 csrsll.exe 36 PID 2364 wrote to memory of 836 2364 csrsll.exe 36 PID 2364 wrote to memory of 836 2364 csrsll.exe 36 PID 2364 wrote to memory of 836 2364 csrsll.exe 36 PID 2364 wrote to memory of 836 2364 csrsll.exe 36 PID 2364 wrote to memory of 1436 2364 csrsll.exe 37 PID 2364 wrote to memory of 1436 2364 csrsll.exe 37 PID 2364 wrote to memory of 1436 2364 csrsll.exe 37 PID 2364 wrote to memory of 1436 2364 csrsll.exe 37 PID 2364 wrote to memory of 1436 2364 csrsll.exe 37 PID 2364 wrote to memory of 1436 2364 csrsll.exe 37 PID 2364 wrote to memory of 1436 2364 csrsll.exe 37 PID 2364 wrote to memory of 1436 2364 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe"C:\Users\Admin\AppData\Local\Temp\7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Users\Admin\AppData\Local\Temp\7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe"C:\Users\Admin\AppData\Local\Temp\7ff4c81a3976abd048fa9955d23666ecb1f950e2e4f42a3e9a478126a0920993.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\WCDAJ.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1608 -
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:2944
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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:2364 -
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:836
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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:1436
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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
MD532bd9486ec463223f8a2e31e3c197d84
SHA12412fd115b90ec34be72ecee86b0aa3c1f04b7a0
SHA25656692596e5130f1881754d0bf173b169812cf3995e15380ec7c3c97cacf17339
SHA512bda6dcca2e8c2b9e0478d49b3512d38a8074ea9c042e8f2961d1059e4d1b900443463141e5522f3de44262e8ca7d7a6de533a7bd764e5d5e4cde7104a62e02f7