Analysis
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max time kernel
119s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 4 IoCs
resource yara_rule behavioral2/memory/4356-57-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4356-58-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4356-55-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4356-63-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe -
Executes dropped EXE 3 IoCs
pid Process 3212 csrsll.exe 1284 csrsll.exe 4356 csrsll.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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 4936 set thread context of 3508 4936 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 86 PID 3212 set thread context of 1284 3212 csrsll.exe 102 PID 3212 set thread context of 4356 3212 csrsll.exe 103 -
resource yara_rule behavioral2/memory/4936-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4936-5-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3508-8-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3508-10-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4936-14-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3508-13-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x0008000000023c9d-30.dat upx behavioral2/memory/3508-40-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3212-41-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4356-47-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3212-42-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4356-52-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4356-57-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4356-58-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3212-56-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4356-55-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3508-61-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1284-62-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4356-63-0x0000000000400000-0x0000000000414000-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 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 -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe Token: SeDebugPrivilege 1284 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4936 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 3508 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 3212 csrsll.exe 1284 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 4936 wrote to memory of 3508 4936 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 86 PID 4936 wrote to memory of 3508 4936 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 86 PID 4936 wrote to memory of 3508 4936 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 86 PID 4936 wrote to memory of 3508 4936 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 86 PID 4936 wrote to memory of 3508 4936 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 86 PID 4936 wrote to memory of 3508 4936 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 86 PID 4936 wrote to memory of 3508 4936 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 86 PID 4936 wrote to memory of 3508 4936 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 86 PID 3508 wrote to memory of 3964 3508 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 91 PID 3508 wrote to memory of 3964 3508 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 91 PID 3508 wrote to memory of 3964 3508 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 91 PID 3964 wrote to memory of 2516 3964 cmd.exe 95 PID 3964 wrote to memory of 2516 3964 cmd.exe 95 PID 3964 wrote to memory of 2516 3964 cmd.exe 95 PID 3508 wrote to memory of 3212 3508 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 96 PID 3508 wrote to memory of 3212 3508 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 96 PID 3508 wrote to memory of 3212 3508 fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe 96 PID 3212 wrote to memory of 1284 3212 csrsll.exe 102 PID 3212 wrote to memory of 1284 3212 csrsll.exe 102 PID 3212 wrote to memory of 1284 3212 csrsll.exe 102 PID 3212 wrote to memory of 1284 3212 csrsll.exe 102 PID 3212 wrote to memory of 1284 3212 csrsll.exe 102 PID 3212 wrote to memory of 1284 3212 csrsll.exe 102 PID 3212 wrote to memory of 1284 3212 csrsll.exe 102 PID 3212 wrote to memory of 1284 3212 csrsll.exe 102 PID 3212 wrote to memory of 4356 3212 csrsll.exe 103 PID 3212 wrote to memory of 4356 3212 csrsll.exe 103 PID 3212 wrote to memory of 4356 3212 csrsll.exe 103 PID 3212 wrote to memory of 4356 3212 csrsll.exe 103 PID 3212 wrote to memory of 4356 3212 csrsll.exe 103 PID 3212 wrote to memory of 4356 3212 csrsll.exe 103 PID 3212 wrote to memory of 4356 3212 csrsll.exe 103 PID 3212 wrote to memory of 4356 3212 csrsll.exe 103
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:4936 -
C:\Users\Admin\AppData\Local\Temp\fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe"C:\Users\Admin\AppData\Local\Temp\fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3508 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UIJEC.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3964 -
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:2516
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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:3212 -
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:1284
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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:4356
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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
MD5317ada1a86b661ff1c1f654398385754
SHA1cf16a9419ac72af62201349dc5b9f4837bc6de31
SHA2564dd97d7abdf5b1f69adef86fb48951df5d64f5fd7d8458c1e331fb8cbccccfd0
SHA5123126e06e26994b19c508ed90026e6be57234df773d05d243f80495d50600cb1eb98d9c0732a30dd67abe262b75817c41d90304597b958fcf85afc5cd856129bb