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
21/01/2025, 15:26 UTC
Behavioral task
behavioral1
Sample
8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe
Resource
win10v2004-20241007-en
General
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Target
8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe
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Size
90KB
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MD5
979dc29055c1e1417da1a9928103f9e8
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SHA1
46c3b8faf57221aa7701779f1eeb87d6febe3423
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SHA256
8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0
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SHA512
1a987e11ec01f7602bb78cdb665db0807ec6589c547023f98c9351d0faca585a8937df1d6c75213bcf7542d3716989a67356aeef81ed35c9ccd78f3dffa1bfce
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDi:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3k
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/1496-266-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1524 csrsll.exe 316 csrsll.exe 1496 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2608 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 2608 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 2608 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 2608 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 2608 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\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 2024 set thread context of 2608 2024 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 31 PID 1524 set thread context of 316 1524 csrsll.exe 36 PID 1524 set thread context of 1496 1524 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2024-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-93-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-80-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2024-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2608-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2608-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2608-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2608-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2608-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2608-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2024-107-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x0005000000004ed7-145.dat upx behavioral1/memory/1524-153-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2608-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1524-217-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1496-252-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2608-244-0x00000000034B0000-0x0000000003503000-memory.dmp upx behavioral1/memory/1524-257-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2608-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/316-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1496-266-0x0000000000400000-0x0000000000414000-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 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.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 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2024 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 2608 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 1524 csrsll.exe 316 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2024 wrote to memory of 2608 2024 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 31 PID 2024 wrote to memory of 2608 2024 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 31 PID 2024 wrote to memory of 2608 2024 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 31 PID 2024 wrote to memory of 2608 2024 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 31 PID 2024 wrote to memory of 2608 2024 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 31 PID 2024 wrote to memory of 2608 2024 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 31 PID 2024 wrote to memory of 2608 2024 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 31 PID 2024 wrote to memory of 2608 2024 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 31 PID 2608 wrote to memory of 1232 2608 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 32 PID 2608 wrote to memory of 1232 2608 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 32 PID 2608 wrote to memory of 1232 2608 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 32 PID 2608 wrote to memory of 1232 2608 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 32 PID 1232 wrote to memory of 1248 1232 cmd.exe 34 PID 1232 wrote to memory of 1248 1232 cmd.exe 34 PID 1232 wrote to memory of 1248 1232 cmd.exe 34 PID 1232 wrote to memory of 1248 1232 cmd.exe 34 PID 2608 wrote to memory of 1524 2608 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 35 PID 2608 wrote to memory of 1524 2608 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 35 PID 2608 wrote to memory of 1524 2608 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 35 PID 2608 wrote to memory of 1524 2608 8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe 35 PID 1524 wrote to memory of 316 1524 csrsll.exe 36 PID 1524 wrote to memory of 316 1524 csrsll.exe 36 PID 1524 wrote to memory of 316 1524 csrsll.exe 36 PID 1524 wrote to memory of 316 1524 csrsll.exe 36 PID 1524 wrote to memory of 316 1524 csrsll.exe 36 PID 1524 wrote to memory of 316 1524 csrsll.exe 36 PID 1524 wrote to memory of 316 1524 csrsll.exe 36 PID 1524 wrote to memory of 316 1524 csrsll.exe 36 PID 1524 wrote to memory of 1496 1524 csrsll.exe 37 PID 1524 wrote to memory of 1496 1524 csrsll.exe 37 PID 1524 wrote to memory of 1496 1524 csrsll.exe 37 PID 1524 wrote to memory of 1496 1524 csrsll.exe 37 PID 1524 wrote to memory of 1496 1524 csrsll.exe 37 PID 1524 wrote to memory of 1496 1524 csrsll.exe 37 PID 1524 wrote to memory of 1496 1524 csrsll.exe 37 PID 1524 wrote to memory of 1496 1524 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe"C:\Users\Admin\AppData\Local\Temp\8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Users\Admin\AppData\Local\Temp\8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe"C:\Users\Admin\AppData\Local\Temp\8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\LULAV.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1232 -
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:1248
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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:1524 -
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:316
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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:1496
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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
MD57f6e6eb8787166f7ab41386c674c483b
SHA1c4b2ad7d5601d3957b339602e1f28ba598b28be9
SHA256f2229371f54f2709bfa557fa8784ed5d2d1004aebfb5347d8a641e8dc8504f34
SHA5129632ad736633ebb489275aa956217dc6c2d410a720189ec5da963ab7ac587ff8e33118b2c6e98187dd49e1612c69ce37dade6b0137d5ba9f21af9df86eb2cdbe