Analysis
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max time kernel
152s -
max time network
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platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
04-11-2024 08:54
Behavioral task
behavioral1
Sample
a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe
Resource
win10v2004-20241007-en
General
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Target
a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe
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Size
90KB
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MD5
83333beda7d1962e1472b708f3766f10
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SHA1
d6fc9a0f5bd6423861c2e7a3c8294ebe6e897780
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SHA256
a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053
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SHA512
cdbdcda4e77dbc765eb047e7ec00817d7c9044346140432e46029f373a1dac5f5532dc461c69cfaf9ee9a4b764a0ce76710a86cc91d797a62b129d927c0fa92a
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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 1 IoCs
resource yara_rule behavioral1/memory/2496-271-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2036 csrsll.exe 2400 csrsll.exe 2496 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2360 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 2360 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 2360 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 2360 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 2360 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\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 1056 set thread context of 2360 1056 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 29 PID 2036 set thread context of 2400 2036 csrsll.exe 34 PID 2036 set thread context of 2496 2036 csrsll.exe 35 -
resource yara_rule behavioral1/memory/1056-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1056-4-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1056-28-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1056-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2360-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2360-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2360-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2360-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2360-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1056-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2360-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000c000000012263-133.dat upx behavioral1/memory/2360-135-0x0000000002960000-0x00000000029B3000-memory.dmp upx behavioral1/memory/2360-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2360-157-0x0000000002960000-0x00000000029B3000-memory.dmp upx behavioral1/memory/2036-164-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2036-222-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2400-251-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2496-257-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2036-263-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2360-267-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2400-268-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2496-271-0x0000000000400000-0x0000000000414000-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 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 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe Token: SeDebugPrivilege 2400 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1056 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 2360 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 2036 csrsll.exe 2400 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1056 wrote to memory of 2360 1056 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 29 PID 1056 wrote to memory of 2360 1056 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 29 PID 1056 wrote to memory of 2360 1056 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 29 PID 1056 wrote to memory of 2360 1056 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 29 PID 1056 wrote to memory of 2360 1056 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 29 PID 1056 wrote to memory of 2360 1056 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 29 PID 1056 wrote to memory of 2360 1056 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 29 PID 1056 wrote to memory of 2360 1056 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 29 PID 2360 wrote to memory of 2968 2360 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 30 PID 2360 wrote to memory of 2968 2360 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 30 PID 2360 wrote to memory of 2968 2360 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 30 PID 2360 wrote to memory of 2968 2360 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 30 PID 2968 wrote to memory of 2252 2968 cmd.exe 32 PID 2968 wrote to memory of 2252 2968 cmd.exe 32 PID 2968 wrote to memory of 2252 2968 cmd.exe 32 PID 2968 wrote to memory of 2252 2968 cmd.exe 32 PID 2360 wrote to memory of 2036 2360 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 33 PID 2360 wrote to memory of 2036 2360 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 33 PID 2360 wrote to memory of 2036 2360 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 33 PID 2360 wrote to memory of 2036 2360 a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe 33 PID 2036 wrote to memory of 2400 2036 csrsll.exe 34 PID 2036 wrote to memory of 2400 2036 csrsll.exe 34 PID 2036 wrote to memory of 2400 2036 csrsll.exe 34 PID 2036 wrote to memory of 2400 2036 csrsll.exe 34 PID 2036 wrote to memory of 2400 2036 csrsll.exe 34 PID 2036 wrote to memory of 2400 2036 csrsll.exe 34 PID 2036 wrote to memory of 2400 2036 csrsll.exe 34 PID 2036 wrote to memory of 2400 2036 csrsll.exe 34 PID 2036 wrote to memory of 2496 2036 csrsll.exe 35 PID 2036 wrote to memory of 2496 2036 csrsll.exe 35 PID 2036 wrote to memory of 2496 2036 csrsll.exe 35 PID 2036 wrote to memory of 2496 2036 csrsll.exe 35 PID 2036 wrote to memory of 2496 2036 csrsll.exe 35 PID 2036 wrote to memory of 2496 2036 csrsll.exe 35 PID 2036 wrote to memory of 2496 2036 csrsll.exe 35 PID 2036 wrote to memory of 2496 2036 csrsll.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe"C:\Users\Admin\AppData\Local\Temp\a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1056 -
C:\Users\Admin\AppData\Local\Temp\a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe"C:\Users\Admin\AppData\Local\Temp\a985c8b9d1a5abeb4a37f6f869842ff48d9b76367049be51990acdc7305d7053N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\RPTOW.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968 -
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:2252
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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:2036 -
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:2400
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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:2496
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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
MD53ecde775529945351e98e5e1ec93883b
SHA118f60b74ca526ae342b8059331e8dde7ded5cb06
SHA2560df054462952db0d26000152f7471d7d0a01fcb3f6ac7710e9509bf684ee853b
SHA5126f2cbed1ac7ad327c96ce52a0ea347a8e94668bc0065934296fc4fe062c252147f64ddcc65a965aef7e44583a0c0426896ea99cbd0857adab36a04f549e7458f