Analysis
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max time kernel
119s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
22-12-2024 08:41
Behavioral task
behavioral1
Sample
f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe
Resource
win10v2004-20241007-en
General
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Target
f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe
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Size
90KB
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MD5
dd5343f3ce84b6961d9e8159ff00b560
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SHA1
bad070c2e4518cdead6bd840a5c2164cadf44b90
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SHA256
f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570
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SHA512
0d9f850d26a570ff83b6d3a43eaa7b868a0e9d718f48481c6759b1d3e09722ebe467fc1fabbc1c5ec6557649faf922b9af46bd5e3ee3bad00bf8d37523ec26be
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD6:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3M
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/1184-266-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1964 csrsll.exe 2112 csrsll.exe 1184 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2604 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 2604 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 2604 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 2604 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 2604 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\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 2536 set thread context of 2604 2536 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 31 PID 1964 set thread context of 2112 1964 csrsll.exe 36 PID 1964 set thread context of 1184 1964 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2536-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2536-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2536-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2604-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2536-107-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2536-102-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2604-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2604-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2604-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2536-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2536-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2536-47-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2604-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2604-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2604-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2604-111-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000a0000000165c7-138.dat upx behavioral1/memory/2604-157-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1964-232-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2604-229-0x0000000003200000-0x0000000003253000-memory.dmp upx behavioral1/memory/1964-256-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1184-254-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2604-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2112-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1184-266-0x0000000000400000-0x0000000000414000-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 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.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 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe Token: SeDebugPrivilege 2112 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2536 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 2604 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 1964 csrsll.exe 2112 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2536 wrote to memory of 2604 2536 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 31 PID 2536 wrote to memory of 2604 2536 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 31 PID 2536 wrote to memory of 2604 2536 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 31 PID 2536 wrote to memory of 2604 2536 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 31 PID 2536 wrote to memory of 2604 2536 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 31 PID 2536 wrote to memory of 2604 2536 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 31 PID 2536 wrote to memory of 2604 2536 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 31 PID 2536 wrote to memory of 2604 2536 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 31 PID 2604 wrote to memory of 1740 2604 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 32 PID 2604 wrote to memory of 1740 2604 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 32 PID 2604 wrote to memory of 1740 2604 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 32 PID 2604 wrote to memory of 1740 2604 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 32 PID 1740 wrote to memory of 908 1740 cmd.exe 34 PID 1740 wrote to memory of 908 1740 cmd.exe 34 PID 1740 wrote to memory of 908 1740 cmd.exe 34 PID 1740 wrote to memory of 908 1740 cmd.exe 34 PID 2604 wrote to memory of 1964 2604 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 35 PID 2604 wrote to memory of 1964 2604 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 35 PID 2604 wrote to memory of 1964 2604 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 35 PID 2604 wrote to memory of 1964 2604 f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe 35 PID 1964 wrote to memory of 2112 1964 csrsll.exe 36 PID 1964 wrote to memory of 2112 1964 csrsll.exe 36 PID 1964 wrote to memory of 2112 1964 csrsll.exe 36 PID 1964 wrote to memory of 2112 1964 csrsll.exe 36 PID 1964 wrote to memory of 2112 1964 csrsll.exe 36 PID 1964 wrote to memory of 2112 1964 csrsll.exe 36 PID 1964 wrote to memory of 2112 1964 csrsll.exe 36 PID 1964 wrote to memory of 2112 1964 csrsll.exe 36 PID 1964 wrote to memory of 1184 1964 csrsll.exe 37 PID 1964 wrote to memory of 1184 1964 csrsll.exe 37 PID 1964 wrote to memory of 1184 1964 csrsll.exe 37 PID 1964 wrote to memory of 1184 1964 csrsll.exe 37 PID 1964 wrote to memory of 1184 1964 csrsll.exe 37 PID 1964 wrote to memory of 1184 1964 csrsll.exe 37 PID 1964 wrote to memory of 1184 1964 csrsll.exe 37 PID 1964 wrote to memory of 1184 1964 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe"C:\Users\Admin\AppData\Local\Temp\f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Users\Admin\AppData\Local\Temp\f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe"C:\Users\Admin\AppData\Local\Temp\f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\KFESI.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740 -
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:908
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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:1964 -
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:2112
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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:1184
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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
MD54d720ac33b125c8d8dd41c93f8bd7060
SHA1d3bfc500921bfe208ce017868da1d7b55187df51
SHA256406cfef05c10e264ae6942bf6cdc08b42668d4afbecb7879894ecd2532dd657a
SHA5129c5dec219ad7f80868893a775487b3cabe8a276ce0e7bdd8762c315f64d813fdccdcfbe051f1f1585839adf82d920f26d2f23d2d0424973a5aba9f532af407f5