Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
20-06-2024 21:05
Behavioral task
behavioral1
Sample
3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe
Resource
win10v2004-20240611-en
General
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Target
3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe
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Size
90KB
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MD5
dd6ac5791be2569b27a6e8b4f1a3b7ec
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SHA1
d333670fe599bfe4cd31cd30b1b59d9563e680df
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SHA256
3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513
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SHA512
16aa0c60b1795172795e506f870494eda40e5c415e0b5a1dcffd217c75a92587ecd2eab22fa125ffc701ce118c73a25999252c8bd7a737f07d0b8654765a0590
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
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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Detects Windows executables referencing non-Windows User-Agents 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3836-47-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/3836-50-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/3836-49-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/3836-57-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
ModiLoader Second Stage 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3836-47-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3836-50-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3836-49-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3836-57-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
UPX dump on OEP (original entry point) 17 IoCs
Processes:
resource yara_rule behavioral2/memory/2388-0-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/3992-4-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/3992-6-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/3992-10-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/2388-8-0x0000000000400000-0x0000000000453000-memory.dmp UPX C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe UPX behavioral2/memory/1648-33-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/1648-37-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/3836-47-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/3836-43-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/3836-46-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/3836-50-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/3836-49-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1648-48-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/3992-55-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1808-56-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/3836-57-0x0000000000400000-0x0000000000414000-memory.dmp UPX -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 1648 csrsll.exe 1808 csrsll.exe 3836 csrsll.exe -
Processes:
resource yara_rule behavioral2/memory/2388-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3992-4-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3992-6-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3992-10-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2388-8-0x0000000000400000-0x0000000000453000-memory.dmp upx C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral2/memory/1648-33-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1648-37-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3836-47-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3836-43-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3836-46-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3836-50-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3836-49-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1648-48-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3992-55-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1808-56-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3836-57-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.execsrsll.exedescription pid process target process PID 2388 set thread context of 3992 2388 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 1648 set thread context of 1808 1648 csrsll.exe csrsll.exe PID 1648 set thread context of 3836 1648 csrsll.exe csrsll.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
csrsll.exedescription pid process Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe Token: SeDebugPrivilege 1808 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.execsrsll.execsrsll.exepid process 2388 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3992 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 1648 csrsll.exe 1808 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.execmd.execsrsll.exedescription pid process target process PID 2388 wrote to memory of 3992 2388 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 2388 wrote to memory of 3992 2388 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 2388 wrote to memory of 3992 2388 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 2388 wrote to memory of 3992 2388 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 2388 wrote to memory of 3992 2388 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 2388 wrote to memory of 3992 2388 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 2388 wrote to memory of 3992 2388 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 2388 wrote to memory of 3992 2388 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 3992 wrote to memory of 1720 3992 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe cmd.exe PID 3992 wrote to memory of 1720 3992 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe cmd.exe PID 3992 wrote to memory of 1720 3992 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe cmd.exe PID 1720 wrote to memory of 4340 1720 cmd.exe reg.exe PID 1720 wrote to memory of 4340 1720 cmd.exe reg.exe PID 1720 wrote to memory of 4340 1720 cmd.exe reg.exe PID 3992 wrote to memory of 1648 3992 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe csrsll.exe PID 3992 wrote to memory of 1648 3992 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe csrsll.exe PID 3992 wrote to memory of 1648 3992 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe csrsll.exe PID 1648 wrote to memory of 1808 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 1808 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 1808 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 1808 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 1808 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 1808 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 1808 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 1808 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 3836 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 3836 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 3836 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 3836 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 3836 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 3836 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 3836 1648 csrsll.exe csrsll.exe PID 1648 wrote to memory of 3836 1648 csrsll.exe csrsll.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe"C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe"C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MUITJ.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:1720 -
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
PID:4340 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1808 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:3836
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
MD5c3c6fddd5495fbb6273062ffd3c24142
SHA137e246e9ea8a370dbf6127a003947b0a8c4ed83a
SHA256be4fccc81f062ba6fb3d40b73252f6ab2feec36d58765262bd941c9664bbe035
SHA512708d5b13c2a085277556985eadd4cc6dae4affda7115664ba6beb84a38b953571c5670210065131321e3e7d44b691fd29c2c6a89f421fc4235e3066074a95e4b