Analysis
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max time kernel
119s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26/11/2024, 14:54
Behavioral task
behavioral1
Sample
f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe
Resource
win10v2004-20241007-en
General
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Target
f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe
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Size
90KB
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MD5
43676da455fd1bf64a8fa72b6f7d373e
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SHA1
91fa5a048de0ee6501028ad5cceae93c1de1b7a7
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SHA256
f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd
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SHA512
b56c323347aad2cd982d70a766effd1885d58690c1a766298c871efd5d47e52dced7ad1b1556aab3e8f94ed6848cdf1422089c1ecda1f04e95af5d2575cb198a
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDB:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3r
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/1120-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2788 csrsll.exe 2500 csrsll.exe 1120 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2536 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 2536 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 2536 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 2536 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 2536 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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 2336 set thread context of 2536 2336 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 31 PID 2788 set thread context of 2500 2788 csrsll.exe 36 PID 2788 set thread context of 1120 2788 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2336-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2336-93-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2336-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2336-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2536-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2336-111-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2336-108-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2536-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2536-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2536-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2536-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2536-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2536-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2336-80-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2336-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2336-38-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x0009000000018781-146.dat upx behavioral1/memory/2536-154-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2788-228-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2788-256-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2536-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1120-252-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2500-251-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2500-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1120-262-0x0000000000400000-0x0000000000414000-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 csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 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 -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe Token: SeDebugPrivilege 2500 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2336 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 2536 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 2788 csrsll.exe 2500 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2336 wrote to memory of 2536 2336 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 31 PID 2336 wrote to memory of 2536 2336 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 31 PID 2336 wrote to memory of 2536 2336 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 31 PID 2336 wrote to memory of 2536 2336 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 31 PID 2336 wrote to memory of 2536 2336 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 31 PID 2336 wrote to memory of 2536 2336 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 31 PID 2336 wrote to memory of 2536 2336 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 31 PID 2336 wrote to memory of 2536 2336 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 31 PID 2536 wrote to memory of 1884 2536 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 32 PID 2536 wrote to memory of 1884 2536 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 32 PID 2536 wrote to memory of 1884 2536 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 32 PID 2536 wrote to memory of 1884 2536 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 32 PID 1884 wrote to memory of 824 1884 cmd.exe 34 PID 1884 wrote to memory of 824 1884 cmd.exe 34 PID 1884 wrote to memory of 824 1884 cmd.exe 34 PID 1884 wrote to memory of 824 1884 cmd.exe 34 PID 2536 wrote to memory of 2788 2536 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 35 PID 2536 wrote to memory of 2788 2536 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 35 PID 2536 wrote to memory of 2788 2536 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 35 PID 2536 wrote to memory of 2788 2536 f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe 35 PID 2788 wrote to memory of 2500 2788 csrsll.exe 36 PID 2788 wrote to memory of 2500 2788 csrsll.exe 36 PID 2788 wrote to memory of 2500 2788 csrsll.exe 36 PID 2788 wrote to memory of 2500 2788 csrsll.exe 36 PID 2788 wrote to memory of 2500 2788 csrsll.exe 36 PID 2788 wrote to memory of 2500 2788 csrsll.exe 36 PID 2788 wrote to memory of 2500 2788 csrsll.exe 36 PID 2788 wrote to memory of 2500 2788 csrsll.exe 36 PID 2788 wrote to memory of 1120 2788 csrsll.exe 37 PID 2788 wrote to memory of 1120 2788 csrsll.exe 37 PID 2788 wrote to memory of 1120 2788 csrsll.exe 37 PID 2788 wrote to memory of 1120 2788 csrsll.exe 37 PID 2788 wrote to memory of 1120 2788 csrsll.exe 37 PID 2788 wrote to memory of 1120 2788 csrsll.exe 37 PID 2788 wrote to memory of 1120 2788 csrsll.exe 37 PID 2788 wrote to memory of 1120 2788 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe"C:\Users\Admin\AppData\Local\Temp\f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Users\Admin\AppData\Local\Temp\f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe"C:\Users\Admin\AppData\Local\Temp\f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\JFESI.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1884 -
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:824
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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:2788 -
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:2500
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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:1120
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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
MD5d64bd7711a0d9ba7424c5fc026207a51
SHA1628f968b70348bd9264b56c7c1b0fb1e9903433e
SHA256a610d763e5d9089a83855196a47a7f7fd21c331b09726c43b0687421e57b00a2
SHA512b2963b178afe06a13bb7312fc6bb3e4f78b15f99a38836b8a1eb2de0e87f6a03729190f21026a5bebb727d45b5bac35d9c8ddaeb17c655a88680efc6eb1000f1