Analysis
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max time kernel
149s -
max time network
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platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
05-12-2024 11:46
Behavioral task
behavioral1
Sample
4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe
Resource
win10v2004-20241007-en
General
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Target
4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe
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Size
90KB
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MD5
ae0c03317d754217f181817dc7b73506
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SHA1
8d5a7ea8592c40739ca3048caad1f90572c1e3cf
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SHA256
4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b
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SHA512
8ca235fe2d486b2a2a2112c0147ebc3753f5d69247d6c994dcedf353b9acdbde134a567d66e9958c693610a367aacf34d8b453f265b33169f3e7cd591c30c9c8
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDJ: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/1356-270-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2176 csrsll.exe 1936 csrsll.exe 1356 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2024 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 2024 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 2024 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 2024 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 2024 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\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 1856 set thread context of 2024 1856 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 30 PID 2176 set thread context of 1936 2176 csrsll.exe 35 PID 2176 set thread context of 1356 2176 csrsll.exe 36 -
resource yara_rule behavioral1/memory/1856-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1856-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1856-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1856-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2024-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2024-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2024-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2024-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1856-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1856-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1856-73-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x00090000000120fd-136.dat upx behavioral1/memory/2176-153-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-147-0x0000000002590000-0x00000000025E3000-memory.dmp upx behavioral1/memory/1856-156-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-157-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2176-221-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1936-249-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2176-256-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1356-258-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2024-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2176-257-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1936-267-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1356-270-0x0000000000400000-0x0000000000414000-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 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 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe Token: SeDebugPrivilege 1936 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1856 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 2024 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 2176 csrsll.exe 1936 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1856 wrote to memory of 2024 1856 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 30 PID 1856 wrote to memory of 2024 1856 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 30 PID 1856 wrote to memory of 2024 1856 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 30 PID 1856 wrote to memory of 2024 1856 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 30 PID 1856 wrote to memory of 2024 1856 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 30 PID 1856 wrote to memory of 2024 1856 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 30 PID 1856 wrote to memory of 2024 1856 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 30 PID 1856 wrote to memory of 2024 1856 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 30 PID 2024 wrote to memory of 1904 2024 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 31 PID 2024 wrote to memory of 1904 2024 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 31 PID 2024 wrote to memory of 1904 2024 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 31 PID 2024 wrote to memory of 1904 2024 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 31 PID 1904 wrote to memory of 3028 1904 cmd.exe 33 PID 1904 wrote to memory of 3028 1904 cmd.exe 33 PID 1904 wrote to memory of 3028 1904 cmd.exe 33 PID 1904 wrote to memory of 3028 1904 cmd.exe 33 PID 2024 wrote to memory of 2176 2024 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 34 PID 2024 wrote to memory of 2176 2024 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 34 PID 2024 wrote to memory of 2176 2024 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 34 PID 2024 wrote to memory of 2176 2024 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe 34 PID 2176 wrote to memory of 1936 2176 csrsll.exe 35 PID 2176 wrote to memory of 1936 2176 csrsll.exe 35 PID 2176 wrote to memory of 1936 2176 csrsll.exe 35 PID 2176 wrote to memory of 1936 2176 csrsll.exe 35 PID 2176 wrote to memory of 1936 2176 csrsll.exe 35 PID 2176 wrote to memory of 1936 2176 csrsll.exe 35 PID 2176 wrote to memory of 1936 2176 csrsll.exe 35 PID 2176 wrote to memory of 1936 2176 csrsll.exe 35 PID 2176 wrote to memory of 1356 2176 csrsll.exe 36 PID 2176 wrote to memory of 1356 2176 csrsll.exe 36 PID 2176 wrote to memory of 1356 2176 csrsll.exe 36 PID 2176 wrote to memory of 1356 2176 csrsll.exe 36 PID 2176 wrote to memory of 1356 2176 csrsll.exe 36 PID 2176 wrote to memory of 1356 2176 csrsll.exe 36 PID 2176 wrote to memory of 1356 2176 csrsll.exe 36 PID 2176 wrote to memory of 1356 2176 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe"C:\Users\Admin\AppData\Local\Temp\4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Users\Admin\AppData\Local\Temp\4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe"C:\Users\Admin\AppData\Local\Temp\4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\OSECG.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1904 -
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:3028
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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:2176 -
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:1936
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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:1356
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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
MD512f5c035e52e9450a46b81854736ef7f
SHA131b7113935de8833c7dcb96d4a11f4a2ae03d070
SHA2565005f8bee185e5b21bf873416b3d4a8e33814675c1d79cc767f9e124047c5fb0
SHA5128096a18eea69ce946c3f697602ba785f3216935d1dd804a02be8f0cd18d6c1dad34901a6aa92df20ca3ece80e876774c4a07fc54f0aafcd4c22b11df75944c12