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Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
01/01/2025, 13:40
Behavioral task
behavioral1
Sample
45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe
Resource
win10v2004-20241007-en
General
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Target
45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe
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Size
326KB
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MD5
d87f08f5f18a0e14fbc881a34b31b634
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SHA1
868f1ac54e456a2d746bcf1fd9f001aa53c4c5ac
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SHA256
45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15
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SHA512
46f4ce6404c00cc52636614daacce6e21ec884b25f66f2069ed4920497d65c164d55c17aa668179c54ef9756bc7e37a979bc045f3b59a0212230aa25657563b2
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SSDEEP
3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVx:csxD5cwohO+O1sVG0/pZ6iPC8g
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/1860-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1660 csrsll.exe 1996 csrsll.exe 1860 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2188 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 2188 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 2188 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 2188 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 2188 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\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 2496 set thread context of 2188 2496 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 30 PID 1660 set thread context of 1996 1660 csrsll.exe 36 PID 1660 set thread context of 1860 1660 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2496-0-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2496-89-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2496-92-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2496-82-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2188-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2188-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2496-108-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2188-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2188-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2188-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2188-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2496-79-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2496-78-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/files/0x0009000000012102-133.dat upx behavioral1/memory/2188-148-0x00000000034D0000-0x0000000003524000-memory.dmp upx behavioral1/memory/1660-154-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2188-155-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1660-191-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2188-253-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1660-250-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1860-249-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1996-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1860-262-0x0000000000400000-0x0000000000414000-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 cmd.exe 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 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe Token: SeDebugPrivilege 1996 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2496 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 2188 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 1660 csrsll.exe 1996 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2496 wrote to memory of 2188 2496 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 30 PID 2496 wrote to memory of 2188 2496 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 30 PID 2496 wrote to memory of 2188 2496 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 30 PID 2496 wrote to memory of 2188 2496 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 30 PID 2496 wrote to memory of 2188 2496 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 30 PID 2496 wrote to memory of 2188 2496 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 30 PID 2496 wrote to memory of 2188 2496 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 30 PID 2496 wrote to memory of 2188 2496 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 30 PID 2188 wrote to memory of 1180 2188 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 31 PID 2188 wrote to memory of 1180 2188 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 31 PID 2188 wrote to memory of 1180 2188 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 31 PID 2188 wrote to memory of 1180 2188 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 31 PID 1180 wrote to memory of 1728 1180 cmd.exe 33 PID 1180 wrote to memory of 1728 1180 cmd.exe 33 PID 1180 wrote to memory of 1728 1180 cmd.exe 33 PID 1180 wrote to memory of 1728 1180 cmd.exe 33 PID 2188 wrote to memory of 1660 2188 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 34 PID 2188 wrote to memory of 1660 2188 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 34 PID 2188 wrote to memory of 1660 2188 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 34 PID 2188 wrote to memory of 1660 2188 45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe 34 PID 1660 wrote to memory of 1996 1660 csrsll.exe 36 PID 1660 wrote to memory of 1996 1660 csrsll.exe 36 PID 1660 wrote to memory of 1996 1660 csrsll.exe 36 PID 1660 wrote to memory of 1996 1660 csrsll.exe 36 PID 1660 wrote to memory of 1996 1660 csrsll.exe 36 PID 1660 wrote to memory of 1996 1660 csrsll.exe 36 PID 1660 wrote to memory of 1996 1660 csrsll.exe 36 PID 1660 wrote to memory of 1996 1660 csrsll.exe 36 PID 1660 wrote to memory of 1860 1660 csrsll.exe 37 PID 1660 wrote to memory of 1860 1660 csrsll.exe 37 PID 1660 wrote to memory of 1860 1660 csrsll.exe 37 PID 1660 wrote to memory of 1860 1660 csrsll.exe 37 PID 1660 wrote to memory of 1860 1660 csrsll.exe 37 PID 1660 wrote to memory of 1860 1660 csrsll.exe 37 PID 1660 wrote to memory of 1860 1660 csrsll.exe 37 PID 1660 wrote to memory of 1860 1660 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe"C:\Users\Admin\AppData\Local\Temp\45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Users\Admin\AppData\Local\Temp\45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe"C:\Users\Admin\AppData\Local\Temp\45b77bd75d9ad8f632d12df4accb85b618c8da99b3e55468305d3ea9ea372b15.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\WWJLG.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1180 -
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:1728
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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:1660 -
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:1996
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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:1860
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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
326KB
MD53be8f14ed122920e89cb10dc4f88fc14
SHA1745d2b9dcbb2c49ee22cd85b9654c8038170c536
SHA256f6327b5a1c1d7d1634d77aa08b9bed899454b16be6baccd4f528c76a166725e6
SHA5123a52df6aa6421ae64d44251a5b50778664e2bcb5d33a6027d1067be9f7f940ca2607a1421bc44c956008c427762916f342bc3ab43738ca0b9ec7c3e019c085dd