Analysis
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max time kernel
149s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-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 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1860-259-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
ModiLoader Second Stage 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1860-259-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
UPX dump on OEP (original entry point) 17 IoCs
Processes:
resource yara_rule behavioral1/memory/1704-1-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2608-96-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2608-92-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2608-104-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2608-101-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2608-100-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/1704-99-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/1704-97-0x0000000000400000-0x0000000000453000-memory.dmp UPX \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe UPX behavioral1/memory/2608-144-0x0000000003230000-0x0000000003283000-memory.dmp UPX behavioral1/memory/1188-151-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/1188-227-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/1860-245-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral1/memory/1188-248-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2608-253-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/544-258-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/1860-259-0x0000000000400000-0x0000000000414000-memory.dmp UPX -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 1188 csrsll.exe 544 csrsll.exe 1860 csrsll.exe -
Loads dropped DLL 5 IoCs
Processes:
3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exepid process 2608 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 2608 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 2608 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 2608 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 2608 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe -
Processes:
resource yara_rule behavioral1/memory/1704-1-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2608-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2608-92-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2608-90-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2608-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2608-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2608-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1704-99-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1704-97-0x0000000000400000-0x0000000000453000-memory.dmp upx \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral1/memory/2608-144-0x0000000003230000-0x0000000003283000-memory.dmp upx behavioral1/memory/1188-151-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1188-227-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1860-245-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1188-248-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2608-253-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/544-258-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1860-259-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\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 1704 set thread context of 2608 1704 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 1188 set thread context of 544 1188 csrsll.exe csrsll.exe PID 1188 set thread context of 1860 1188 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 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe Token: SeDebugPrivilege 544 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.execsrsll.execsrsll.exepid process 1704 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 2608 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 1188 csrsll.exe 544 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.execmd.execsrsll.exedescription pid process target process PID 1704 wrote to memory of 2608 1704 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 1704 wrote to memory of 2608 1704 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 1704 wrote to memory of 2608 1704 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 1704 wrote to memory of 2608 1704 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 1704 wrote to memory of 2608 1704 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 1704 wrote to memory of 2608 1704 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 1704 wrote to memory of 2608 1704 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 1704 wrote to memory of 2608 1704 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe PID 2608 wrote to memory of 2880 2608 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe cmd.exe PID 2608 wrote to memory of 2880 2608 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe cmd.exe PID 2608 wrote to memory of 2880 2608 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe cmd.exe PID 2608 wrote to memory of 2880 2608 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe cmd.exe PID 2880 wrote to memory of 2356 2880 cmd.exe reg.exe PID 2880 wrote to memory of 2356 2880 cmd.exe reg.exe PID 2880 wrote to memory of 2356 2880 cmd.exe reg.exe PID 2880 wrote to memory of 2356 2880 cmd.exe reg.exe PID 2608 wrote to memory of 1188 2608 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe csrsll.exe PID 2608 wrote to memory of 1188 2608 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe csrsll.exe PID 2608 wrote to memory of 1188 2608 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe csrsll.exe PID 2608 wrote to memory of 1188 2608 3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe csrsll.exe PID 1188 wrote to memory of 544 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 544 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 544 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 544 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 544 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 544 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 544 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 544 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 1860 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 1860 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 1860 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 1860 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 1860 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 1860 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 1860 1188 csrsll.exe csrsll.exe PID 1188 wrote to memory of 1860 1188 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:1704 -
C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe"C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\SWUXI.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:2880 -
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:2356 -
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:1188 -
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:544 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:1860
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
MD5a9a1a3a3b91b71adb8f4bfb984792b1a
SHA1a61eef444818baccab21095b2abe9e360febe851
SHA2567c301fab4a1914a87c1fa5ba5ce7731e51dcdfa2511bc6f68a9a0a88d7f391ce
SHA512f3e937d96d1d7f7bf1e2f610b4bb46708166d7b2502377fa48ba46b8e364f43288c6fe60706771a1ada80e4dd8c2ad2ba4566cad210b91c627b52470b8a24491