Analysis
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max time kernel
120s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-12-2024 13:48
Behavioral task
behavioral1
Sample
be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe
Resource
win10v2004-20241007-en
General
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Target
be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe
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Size
90KB
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MD5
1082cfd7b9f04f0c8e28aa134b1a4519
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SHA1
a43572dbe622e03ea7dfe9ed3856a7213c2e9544
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SHA256
be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0
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SHA512
928efc3d86e3e28f327300a86d586332c88c15fc0b81bdb5cd67a4705ea8d7fa65aa2ec2749db0041f10528ec5d5154dcefe70a34393000ea9d9e98790021855
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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 1 IoCs
resource yara_rule behavioral1/memory/928-265-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2648 csrsll.exe 1924 csrsll.exe 928 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2584 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 2584 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 2584 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 2584 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 2584 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\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 2448 set thread context of 2584 2448 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 31 PID 2648 set thread context of 1924 2648 csrsll.exe 36 PID 2648 set thread context of 928 2648 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2448-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2448-27-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2448-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2448-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2584-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2584-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2584-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2584-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2448-105-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2584-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2584-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0005000000004ed7-133.dat upx behavioral1/memory/2584-147-0x0000000003210000-0x0000000003263000-memory.dmp upx behavioral1/memory/2584-154-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2648-215-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/928-251-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2648-250-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2648-253-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2584-256-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1924-244-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1924-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/928-265-0x0000000000400000-0x0000000000414000-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 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.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 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe Token: SeDebugPrivilege 1924 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2448 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 2584 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 2648 csrsll.exe 1924 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2448 wrote to memory of 2584 2448 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 31 PID 2448 wrote to memory of 2584 2448 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 31 PID 2448 wrote to memory of 2584 2448 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 31 PID 2448 wrote to memory of 2584 2448 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 31 PID 2448 wrote to memory of 2584 2448 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 31 PID 2448 wrote to memory of 2584 2448 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 31 PID 2448 wrote to memory of 2584 2448 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 31 PID 2448 wrote to memory of 2584 2448 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 31 PID 2584 wrote to memory of 2896 2584 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 32 PID 2584 wrote to memory of 2896 2584 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 32 PID 2584 wrote to memory of 2896 2584 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 32 PID 2584 wrote to memory of 2896 2584 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 32 PID 2896 wrote to memory of 1660 2896 cmd.exe 34 PID 2896 wrote to memory of 1660 2896 cmd.exe 34 PID 2896 wrote to memory of 1660 2896 cmd.exe 34 PID 2896 wrote to memory of 1660 2896 cmd.exe 34 PID 2584 wrote to memory of 2648 2584 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 35 PID 2584 wrote to memory of 2648 2584 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 35 PID 2584 wrote to memory of 2648 2584 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 35 PID 2584 wrote to memory of 2648 2584 be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe 35 PID 2648 wrote to memory of 1924 2648 csrsll.exe 36 PID 2648 wrote to memory of 1924 2648 csrsll.exe 36 PID 2648 wrote to memory of 1924 2648 csrsll.exe 36 PID 2648 wrote to memory of 1924 2648 csrsll.exe 36 PID 2648 wrote to memory of 1924 2648 csrsll.exe 36 PID 2648 wrote to memory of 1924 2648 csrsll.exe 36 PID 2648 wrote to memory of 1924 2648 csrsll.exe 36 PID 2648 wrote to memory of 1924 2648 csrsll.exe 36 PID 2648 wrote to memory of 928 2648 csrsll.exe 37 PID 2648 wrote to memory of 928 2648 csrsll.exe 37 PID 2648 wrote to memory of 928 2648 csrsll.exe 37 PID 2648 wrote to memory of 928 2648 csrsll.exe 37 PID 2648 wrote to memory of 928 2648 csrsll.exe 37 PID 2648 wrote to memory of 928 2648 csrsll.exe 37 PID 2648 wrote to memory of 928 2648 csrsll.exe 37 PID 2648 wrote to memory of 928 2648 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe"C:\Users\Admin\AppData\Local\Temp\be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Users\Admin\AppData\Local\Temp\be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe"C:\Users\Admin\AppData\Local\Temp\be87c8ff58be68c990f6d6611a91fb297d43ab56c18080c8fe29e3b8be404eb0.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\QUPXL.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896 -
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:1660
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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:2648 -
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:1924
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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:928
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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
MD5665994e3cf1343f51d2177928d8dad1f
SHA14f42a6a616cb4a80600e598ff9b3c751bf88bce3
SHA25604d384be36d9ab97f7d88d0b076eaa0b32caeae4784629a3e8b4614352e1dd9d
SHA5128a8018e29368cf0ddc35729696b4ee9e794f5df6bde405e859d7572a25d99415f0f7d1dceaab8d35884db4fe9825c85762fe007a29837ba84d2fc1a178b9f955