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Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17/12/2024, 20:00
Behavioral task
behavioral1
Sample
fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe
Resource
win10v2004-20241007-en
General
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Target
fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe
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Size
90KB
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MD5
31e70adcfe761de58d23919e65d87a62
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SHA1
7de18e24e2640018ceb69217dcdfc45274ee87e4
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SHA256
fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430
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SHA512
55f2c8c3e6c7aac2c4bdbb9987a4996f534f9e40e73fb507f7864bc6229b0bdb8879b82be1e2864c709f24122f94d7490bc5be7030dbd8d835ab0c6d4e6e9761
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDW:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E
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/1472-264-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2620 csrsll.exe 1920 csrsll.exe 1472 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2796 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 2796 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 2796 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 2796 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 2796 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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 880 set thread context of 2796 880 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 30 PID 2620 set thread context of 1920 2620 csrsll.exe 35 PID 2620 set thread context of 1472 2620 csrsll.exe 36 -
resource yara_rule behavioral1/memory/880-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/880-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/880-87-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2796-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/880-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2796-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2796-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2796-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2796-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2796-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/880-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/880-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/880-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2796-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0008000000012117-133.dat upx behavioral1/memory/2796-135-0x0000000001FE0000-0x0000000002033000-memory.dmp upx behavioral1/memory/2796-154-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-246-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1472-252-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2620-255-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2796-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1920-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1472-264-0x0000000000400000-0x0000000000414000-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 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.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 -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe Token: SeDebugPrivilege 1920 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 880 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 2796 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 2620 csrsll.exe 1920 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 880 wrote to memory of 2796 880 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 30 PID 880 wrote to memory of 2796 880 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 30 PID 880 wrote to memory of 2796 880 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 30 PID 880 wrote to memory of 2796 880 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 30 PID 880 wrote to memory of 2796 880 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 30 PID 880 wrote to memory of 2796 880 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 30 PID 880 wrote to memory of 2796 880 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 30 PID 880 wrote to memory of 2796 880 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 30 PID 2796 wrote to memory of 1712 2796 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 31 PID 2796 wrote to memory of 1712 2796 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 31 PID 2796 wrote to memory of 1712 2796 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 31 PID 2796 wrote to memory of 1712 2796 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 31 PID 1712 wrote to memory of 572 1712 cmd.exe 33 PID 1712 wrote to memory of 572 1712 cmd.exe 33 PID 1712 wrote to memory of 572 1712 cmd.exe 33 PID 1712 wrote to memory of 572 1712 cmd.exe 33 PID 2796 wrote to memory of 2620 2796 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 34 PID 2796 wrote to memory of 2620 2796 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 34 PID 2796 wrote to memory of 2620 2796 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 34 PID 2796 wrote to memory of 2620 2796 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 34 PID 2620 wrote to memory of 1920 2620 csrsll.exe 35 PID 2620 wrote to memory of 1920 2620 csrsll.exe 35 PID 2620 wrote to memory of 1920 2620 csrsll.exe 35 PID 2620 wrote to memory of 1920 2620 csrsll.exe 35 PID 2620 wrote to memory of 1920 2620 csrsll.exe 35 PID 2620 wrote to memory of 1920 2620 csrsll.exe 35 PID 2620 wrote to memory of 1920 2620 csrsll.exe 35 PID 2620 wrote to memory of 1920 2620 csrsll.exe 35 PID 2620 wrote to memory of 1472 2620 csrsll.exe 36 PID 2620 wrote to memory of 1472 2620 csrsll.exe 36 PID 2620 wrote to memory of 1472 2620 csrsll.exe 36 PID 2620 wrote to memory of 1472 2620 csrsll.exe 36 PID 2620 wrote to memory of 1472 2620 csrsll.exe 36 PID 2620 wrote to memory of 1472 2620 csrsll.exe 36 PID 2620 wrote to memory of 1472 2620 csrsll.exe 36 PID 2620 wrote to memory of 1472 2620 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe"C:\Users\Admin\AppData\Local\Temp\fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:880 -
C:\Users\Admin\AppData\Local\Temp\fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe"C:\Users\Admin\AppData\Local\Temp\fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\BXWAN.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1712 -
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:572
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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:2620 -
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:1920
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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:1472
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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
MD5686b00baa6ec05731da6a2f0974d6261
SHA19c0645736ef09d05efba94ca7a4b93334dfe6e45
SHA256070d7d9f9fbf411259390de820441c462565e659db6191fcd058e2b0cb9747b8
SHA512e315dee50a868195dbda1c8e1bd0869ec817ea71c2d8177464ef7052b6b1073d58bacb026c8d2b1a5fe5808b07d90940193ebc386f14c08ed6ff66176b6e9b6f