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Analysis
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max time kernel
119s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2024, 21:50
Behavioral task
behavioral1
Sample
856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe
Resource
win10v2004-20241007-en
General
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Target
856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe
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Size
90KB
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MD5
858dc425100f439d8fe88620b4859580
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SHA1
f390369e38ae18b8759a62f4b42bfe73b8e66484
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SHA256
856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23
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SHA512
2447d3345371dff72ce05a7eec02ca6a67decbc16658bbbef8b9332e53b5e98529d8487135486f23a82a331e401c232392390c88dfb0919b69f8791ccb2ffa49
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
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/4476-55-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4476-54-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4476-57-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4476-63-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe -
Executes dropped EXE 3 IoCs
pid Process 3636 csrsll.exe 228 csrsll.exe 4476 csrsll.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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 3960 set thread context of 3652 3960 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 89 PID 3636 set thread context of 228 3636 csrsll.exe 101 PID 3636 set thread context of 4476 3636 csrsll.exe 102 -
resource yara_rule behavioral2/memory/3960-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3960-5-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3652-7-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3652-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3960-11-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3652-12-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3652-13-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000b000000023b9a-29.dat upx behavioral2/memory/3636-36-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3652-40-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3636-41-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3636-42-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4476-46-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4476-52-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4476-55-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4476-54-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4476-57-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3636-59-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3652-61-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/228-62-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4476-63-0x0000000000400000-0x0000000000414000-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 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 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe Token: SeDebugPrivilege 228 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3960 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 3652 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 3636 csrsll.exe 228 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 3960 wrote to memory of 3652 3960 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 89 PID 3960 wrote to memory of 3652 3960 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 89 PID 3960 wrote to memory of 3652 3960 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 89 PID 3960 wrote to memory of 3652 3960 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 89 PID 3960 wrote to memory of 3652 3960 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 89 PID 3960 wrote to memory of 3652 3960 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 89 PID 3960 wrote to memory of 3652 3960 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 89 PID 3960 wrote to memory of 3652 3960 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 89 PID 3652 wrote to memory of 3588 3652 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 92 PID 3652 wrote to memory of 3588 3652 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 92 PID 3652 wrote to memory of 3588 3652 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 92 PID 3588 wrote to memory of 5080 3588 cmd.exe 96 PID 3588 wrote to memory of 5080 3588 cmd.exe 96 PID 3588 wrote to memory of 5080 3588 cmd.exe 96 PID 3652 wrote to memory of 3636 3652 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 97 PID 3652 wrote to memory of 3636 3652 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 97 PID 3652 wrote to memory of 3636 3652 856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe 97 PID 3636 wrote to memory of 228 3636 csrsll.exe 101 PID 3636 wrote to memory of 228 3636 csrsll.exe 101 PID 3636 wrote to memory of 228 3636 csrsll.exe 101 PID 3636 wrote to memory of 228 3636 csrsll.exe 101 PID 3636 wrote to memory of 228 3636 csrsll.exe 101 PID 3636 wrote to memory of 228 3636 csrsll.exe 101 PID 3636 wrote to memory of 228 3636 csrsll.exe 101 PID 3636 wrote to memory of 228 3636 csrsll.exe 101 PID 3636 wrote to memory of 4476 3636 csrsll.exe 102 PID 3636 wrote to memory of 4476 3636 csrsll.exe 102 PID 3636 wrote to memory of 4476 3636 csrsll.exe 102 PID 3636 wrote to memory of 4476 3636 csrsll.exe 102 PID 3636 wrote to memory of 4476 3636 csrsll.exe 102 PID 3636 wrote to memory of 4476 3636 csrsll.exe 102 PID 3636 wrote to memory of 4476 3636 csrsll.exe 102 PID 3636 wrote to memory of 4476 3636 csrsll.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe"C:\Users\Admin\AppData\Local\Temp\856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3960 -
C:\Users\Admin\AppData\Local\Temp\856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe"C:\Users\Admin\AppData\Local\Temp\856f94ae18e9669995a359a9daf2e0d37be629365af85cd45c23e4b9a968ac23N.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3652 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YLBPL.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3588 -
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:5080
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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:3636 -
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:228
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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:4476
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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
MD505b56a3b537b0592c721cd69c84cc5e4
SHA1d63a9ff0ae2b3781ee5ed94adcf90916003a611e
SHA256765d575b3d5fb6b3f12921f22cea639ea90b6ab2662f380f79828cda4e57e6b6
SHA51284de2893dbc013cd2f2736d2bb5bb4c170d70cc7f921a3f41d6fc2f0726a892057164816f2f6dc4c9a601c8e909c1154b32de179b86bb261688b88ecbce7c8d3