Analysis
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max time kernel
119s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-12-2024 20:04
Behavioral task
behavioral1
Sample
843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe
Resource
win10v2004-20241007-en
General
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Target
843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe
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Size
90KB
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MD5
45dbdb19392e37af2d784041f8cdbd25
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SHA1
9085f37a0234f0f7509fb21d342ee178b7ea4270
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SHA256
843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a
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SHA512
6c7cdaa9c66678621adf7ab33fc81f3da2d16a513c31cbc3d2c260ec4f6985ebf039c2f7f1fa03ec2fe0ee4cc940215a423e2f790a1bd7948ce7a59da492a570
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD1:0wjZQJvzZsgsW6/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/2492-268-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2984 csrsll.exe 2516 csrsll.exe 2492 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2252 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 2252 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 2252 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 2252 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 2252 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\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 2744 set thread context of 2252 2744 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 31 PID 2984 set thread context of 2516 2984 csrsll.exe 36 PID 2984 set thread context of 2492 2984 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2744-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2744-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2744-94-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2252-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2744-105-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2252-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2252-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2744-84-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2744-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2744-80-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2744-76-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2744-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2252-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2252-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2252-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2252-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0009000000012102-135.dat upx behavioral1/memory/2252-157-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2984-222-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2984-256-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2252-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2492-254-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2516-265-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2492-268-0x0000000000400000-0x0000000000414000-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 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.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 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2744 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 2252 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 2984 csrsll.exe 2516 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2744 wrote to memory of 2252 2744 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 31 PID 2744 wrote to memory of 2252 2744 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 31 PID 2744 wrote to memory of 2252 2744 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 31 PID 2744 wrote to memory of 2252 2744 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 31 PID 2744 wrote to memory of 2252 2744 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 31 PID 2744 wrote to memory of 2252 2744 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 31 PID 2744 wrote to memory of 2252 2744 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 31 PID 2744 wrote to memory of 2252 2744 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 31 PID 2252 wrote to memory of 2856 2252 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 32 PID 2252 wrote to memory of 2856 2252 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 32 PID 2252 wrote to memory of 2856 2252 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 32 PID 2252 wrote to memory of 2856 2252 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 32 PID 2856 wrote to memory of 2884 2856 cmd.exe 34 PID 2856 wrote to memory of 2884 2856 cmd.exe 34 PID 2856 wrote to memory of 2884 2856 cmd.exe 34 PID 2856 wrote to memory of 2884 2856 cmd.exe 34 PID 2252 wrote to memory of 2984 2252 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 35 PID 2252 wrote to memory of 2984 2252 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 35 PID 2252 wrote to memory of 2984 2252 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 35 PID 2252 wrote to memory of 2984 2252 843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe 35 PID 2984 wrote to memory of 2516 2984 csrsll.exe 36 PID 2984 wrote to memory of 2516 2984 csrsll.exe 36 PID 2984 wrote to memory of 2516 2984 csrsll.exe 36 PID 2984 wrote to memory of 2516 2984 csrsll.exe 36 PID 2984 wrote to memory of 2516 2984 csrsll.exe 36 PID 2984 wrote to memory of 2516 2984 csrsll.exe 36 PID 2984 wrote to memory of 2516 2984 csrsll.exe 36 PID 2984 wrote to memory of 2516 2984 csrsll.exe 36 PID 2984 wrote to memory of 2492 2984 csrsll.exe 37 PID 2984 wrote to memory of 2492 2984 csrsll.exe 37 PID 2984 wrote to memory of 2492 2984 csrsll.exe 37 PID 2984 wrote to memory of 2492 2984 csrsll.exe 37 PID 2984 wrote to memory of 2492 2984 csrsll.exe 37 PID 2984 wrote to memory of 2492 2984 csrsll.exe 37 PID 2984 wrote to memory of 2492 2984 csrsll.exe 37 PID 2984 wrote to memory of 2492 2984 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe"C:\Users\Admin\AppData\Local\Temp\843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Users\Admin\AppData\Local\Temp\843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe"C:\Users\Admin\AppData\Local\Temp\843761a575d9c5fc62b458a08352f57ba61b14639fdc7727b3d1cf89e158ac7a.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\RDBFA.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856 -
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:2884
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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:2984 -
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:2516
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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:2492
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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
MD5f51f1e842c805a99241ff62cbde83dd0
SHA1437a4152874edfe4b8a4360c973b6cfc2bbdae16
SHA256618d3aad05c5f02af5d18e4fe6f9b44889c4ac29253e6d29a03c6adc49e9f92b
SHA512eaaf2ae8dc6e81fd4bbf98bdbe5dea3008a5187c783bb02d08eed5e2c7111a99ed7e0d361a514f6ecad527e95f74097c60a4f34b66dda2d4dd36450aae3f4a9b