Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-12-2024 23:48
Behavioral task
behavioral1
Sample
1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe
Resource
win10v2004-20241007-en
General
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Target
1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe
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Size
90KB
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MD5
70db98843615e7e1e79f94a1013700c0
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SHA1
599023bf0c108241e96f64e4bba0fb5dab4c1dbd
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SHA256
1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5
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SHA512
8481caed65c2630a248475fd6c4aaa51987474030e5a8c199fae03dc6ef2d508324ce8ec3af35159f3059f088dcbe2d31ccd6a5158579f10a0ddd1a02b987039
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDQ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3u
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/1484-258-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1484-263-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2676 csrsll.exe 1872 csrsll.exe 1484 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2616 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 2616 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 2616 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 2616 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 2616 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.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 2824 set thread context of 2616 2824 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 30 PID 2676 set thread context of 1872 2676 csrsll.exe 35 PID 2676 set thread context of 1484 2676 csrsll.exe 36 -
resource yara_rule behavioral1/memory/2824-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2824-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2616-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2616-92-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2824-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2616-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2616-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2616-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2616-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2824-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x000a0000000120f6-129.dat upx behavioral1/memory/2676-148-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2616-151-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2676-218-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2616-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1484-258-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2676-255-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2676-252-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1872-242-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1872-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1484-263-0x0000000000400000-0x0000000000414000-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 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 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe Token: SeDebugPrivilege 1872 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2824 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 2616 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 2676 csrsll.exe 1872 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2824 wrote to memory of 2616 2824 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 30 PID 2824 wrote to memory of 2616 2824 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 30 PID 2824 wrote to memory of 2616 2824 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 30 PID 2824 wrote to memory of 2616 2824 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 30 PID 2824 wrote to memory of 2616 2824 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 30 PID 2824 wrote to memory of 2616 2824 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 30 PID 2824 wrote to memory of 2616 2824 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 30 PID 2824 wrote to memory of 2616 2824 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 30 PID 2616 wrote to memory of 2936 2616 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 31 PID 2616 wrote to memory of 2936 2616 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 31 PID 2616 wrote to memory of 2936 2616 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 31 PID 2616 wrote to memory of 2936 2616 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 31 PID 2936 wrote to memory of 2636 2936 cmd.exe 33 PID 2936 wrote to memory of 2636 2936 cmd.exe 33 PID 2936 wrote to memory of 2636 2936 cmd.exe 33 PID 2936 wrote to memory of 2636 2936 cmd.exe 33 PID 2616 wrote to memory of 2676 2616 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 34 PID 2616 wrote to memory of 2676 2616 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 34 PID 2616 wrote to memory of 2676 2616 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 34 PID 2616 wrote to memory of 2676 2616 1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe 34 PID 2676 wrote to memory of 1872 2676 csrsll.exe 35 PID 2676 wrote to memory of 1872 2676 csrsll.exe 35 PID 2676 wrote to memory of 1872 2676 csrsll.exe 35 PID 2676 wrote to memory of 1872 2676 csrsll.exe 35 PID 2676 wrote to memory of 1872 2676 csrsll.exe 35 PID 2676 wrote to memory of 1872 2676 csrsll.exe 35 PID 2676 wrote to memory of 1872 2676 csrsll.exe 35 PID 2676 wrote to memory of 1872 2676 csrsll.exe 35 PID 2676 wrote to memory of 1484 2676 csrsll.exe 36 PID 2676 wrote to memory of 1484 2676 csrsll.exe 36 PID 2676 wrote to memory of 1484 2676 csrsll.exe 36 PID 2676 wrote to memory of 1484 2676 csrsll.exe 36 PID 2676 wrote to memory of 1484 2676 csrsll.exe 36 PID 2676 wrote to memory of 1484 2676 csrsll.exe 36 PID 2676 wrote to memory of 1484 2676 csrsll.exe 36 PID 2676 wrote to memory of 1484 2676 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe"C:\Users\Admin\AppData\Local\Temp\1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Users\Admin\AppData\Local\Temp\1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe"C:\Users\Admin\AppData\Local\Temp\1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\EYWUY.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936 -
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:2636
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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:2676 -
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:1872
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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:1484
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
145B
MD54eb61ec7816c34ec8c125acadc57ec1b
SHA1b0015cc865c0bb1a027be663027d3829401a31cc
SHA25608375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
SHA512f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
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Filesize
90KB
MD5cde6be6a2ed12e1528f54845528ff99a
SHA1598c4438edca6871a2c2529075b49ffc9ed4a73a
SHA25605bfa3d964f060c4246fd886258e9956216fe964ad693587558e8b19a076f67d
SHA51211a52c5c6f35cfbbdf03794fe6c4ffd4b3abf6fb2ba92d0e849e3afd1efe4cf57b885a30bf083accb3972da0f90cc5558ad7c114bf8ab5d0215a60179ec03767