Analysis
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max time kernel
118s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12-01-2025 10:04
Behavioral task
behavioral1
Sample
4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe
Resource
win10v2004-20241007-en
General
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Target
4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe
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Size
90KB
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MD5
8491969f71c6d327e4ec36c664d38b5f
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SHA1
dec29db0d661b2167b7de21f3e2fddaae749d084
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SHA256
4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31
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SHA512
ae131394193e2464c546a2dba4b3ae66a9cecbd56e48af85712f4e2a984ed608ffd385051b8a8aeeaccb14731271d22fd2387b631a00b04349a9a32891129605
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD9:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3L
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/1344-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2880 csrsll.exe 2108 csrsll.exe 1344 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2600 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 2600 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 2600 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 2600 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 2600 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\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 300 set thread context of 2600 300 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 31 PID 2880 set thread context of 2108 2880 csrsll.exe 36 PID 2880 set thread context of 1344 2880 csrsll.exe 37 -
resource yara_rule behavioral1/memory/300-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/300-88-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/300-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2600-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2600-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/300-106-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/300-109-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2600-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2600-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2600-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2600-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/300-78-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/300-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x0005000000004ed7-136.dat upx behavioral1/memory/2600-148-0x00000000028D0000-0x0000000002923000-memory.dmp upx behavioral1/memory/2600-155-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2880-215-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1344-251-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2880-257-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2600-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2108-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1344-262-0x0000000000400000-0x0000000000414000-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 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe Token: SeDebugPrivilege 2108 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 300 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 2600 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 2880 csrsll.exe 2108 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 300 wrote to memory of 2600 300 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 31 PID 300 wrote to memory of 2600 300 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 31 PID 300 wrote to memory of 2600 300 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 31 PID 300 wrote to memory of 2600 300 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 31 PID 300 wrote to memory of 2600 300 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 31 PID 300 wrote to memory of 2600 300 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 31 PID 300 wrote to memory of 2600 300 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 31 PID 300 wrote to memory of 2600 300 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 31 PID 2600 wrote to memory of 2896 2600 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 32 PID 2600 wrote to memory of 2896 2600 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 32 PID 2600 wrote to memory of 2896 2600 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 32 PID 2600 wrote to memory of 2896 2600 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 32 PID 2896 wrote to memory of 1844 2896 cmd.exe 34 PID 2896 wrote to memory of 1844 2896 cmd.exe 34 PID 2896 wrote to memory of 1844 2896 cmd.exe 34 PID 2896 wrote to memory of 1844 2896 cmd.exe 34 PID 2600 wrote to memory of 2880 2600 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 35 PID 2600 wrote to memory of 2880 2600 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 35 PID 2600 wrote to memory of 2880 2600 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 35 PID 2600 wrote to memory of 2880 2600 4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe 35 PID 2880 wrote to memory of 2108 2880 csrsll.exe 36 PID 2880 wrote to memory of 2108 2880 csrsll.exe 36 PID 2880 wrote to memory of 2108 2880 csrsll.exe 36 PID 2880 wrote to memory of 2108 2880 csrsll.exe 36 PID 2880 wrote to memory of 2108 2880 csrsll.exe 36 PID 2880 wrote to memory of 2108 2880 csrsll.exe 36 PID 2880 wrote to memory of 2108 2880 csrsll.exe 36 PID 2880 wrote to memory of 2108 2880 csrsll.exe 36 PID 2880 wrote to memory of 1344 2880 csrsll.exe 37 PID 2880 wrote to memory of 1344 2880 csrsll.exe 37 PID 2880 wrote to memory of 1344 2880 csrsll.exe 37 PID 2880 wrote to memory of 1344 2880 csrsll.exe 37 PID 2880 wrote to memory of 1344 2880 csrsll.exe 37 PID 2880 wrote to memory of 1344 2880 csrsll.exe 37 PID 2880 wrote to memory of 1344 2880 csrsll.exe 37 PID 2880 wrote to memory of 1344 2880 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe"C:\Users\Admin\AppData\Local\Temp\4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:300 -
C:\Users\Admin\AppData\Local\Temp\4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe"C:\Users\Admin\AppData\Local\Temp\4b08208df06c05c979e1f6dcc37405c525de858cc1d3c5d85b97ffe9ea50bf31.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2600 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\BGUUI.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:1844
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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:2880 -
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:2108
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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:1344
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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
MD5c187260c3a0db0f651ea738d1f44fc5f
SHA1ada9a59b9bdada98fcfaa9f373aa8714d93c7945
SHA256f3997ff2f2365d65f7b2d7afa5f44f525c4a5a151ece55c398eaa50ed67ac27b
SHA512ad8221c22ee6af3b06303652b9ee564b54c6a17e876241c884b7b10662b465f9b0042c4539a5889059e8d3766efb2bbd58fa5ba170a4abb8fdffd2b5ddbd75ba