Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
19-11-2024 09:30
Behavioral task
behavioral1
Sample
abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe
Resource
win10v2004-20241007-en
General
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Target
abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe
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Size
90KB
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MD5
aec92f4aac514d1e574970b618db7af0
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SHA1
8cb312f2e6301aefe412e4e34e1e75003f14ec55
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SHA256
abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6a
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SHA512
e168d3913cfc087277aec0d4993ef17c1f0e3af090ea85792711f25bc5ad91c0589dc52a8b510aa8059d9abdda20bfd027df17be189354633ac953bea1a3b2f6
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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/2972-264-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1508 csrsll.exe 348 csrsll.exe 2972 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2724 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 2724 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 2724 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 2724 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 2724 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\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 1964 set thread context of 2724 1964 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 30 PID 1508 set thread context of 348 1508 csrsll.exe 36 PID 1508 set thread context of 2972 1508 csrsll.exe 37 -
resource yara_rule behavioral1/memory/1964-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1964-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1964-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1964-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2724-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2724-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1964-107-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2724-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2724-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2724-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1964-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1964-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2724-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2724-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x00090000000120fb-135.dat upx behavioral1/memory/2724-137-0x00000000034A0000-0x00000000034F3000-memory.dmp upx behavioral1/memory/2724-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1508-218-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1508-252-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2972-251-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1508-254-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2724-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/348-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2972-264-0x0000000000400000-0x0000000000414000-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 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.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 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe Token: SeDebugPrivilege 348 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1964 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 2724 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 1508 csrsll.exe 348 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1964 wrote to memory of 2724 1964 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 30 PID 1964 wrote to memory of 2724 1964 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 30 PID 1964 wrote to memory of 2724 1964 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 30 PID 1964 wrote to memory of 2724 1964 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 30 PID 1964 wrote to memory of 2724 1964 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 30 PID 1964 wrote to memory of 2724 1964 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 30 PID 1964 wrote to memory of 2724 1964 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 30 PID 1964 wrote to memory of 2724 1964 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 30 PID 2724 wrote to memory of 944 2724 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 31 PID 2724 wrote to memory of 944 2724 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 31 PID 2724 wrote to memory of 944 2724 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 31 PID 2724 wrote to memory of 944 2724 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 31 PID 944 wrote to memory of 2840 944 cmd.exe 33 PID 944 wrote to memory of 2840 944 cmd.exe 33 PID 944 wrote to memory of 2840 944 cmd.exe 33 PID 944 wrote to memory of 2840 944 cmd.exe 33 PID 2724 wrote to memory of 1508 2724 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 34 PID 2724 wrote to memory of 1508 2724 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 34 PID 2724 wrote to memory of 1508 2724 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 34 PID 2724 wrote to memory of 1508 2724 abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe 34 PID 1508 wrote to memory of 348 1508 csrsll.exe 36 PID 1508 wrote to memory of 348 1508 csrsll.exe 36 PID 1508 wrote to memory of 348 1508 csrsll.exe 36 PID 1508 wrote to memory of 348 1508 csrsll.exe 36 PID 1508 wrote to memory of 348 1508 csrsll.exe 36 PID 1508 wrote to memory of 348 1508 csrsll.exe 36 PID 1508 wrote to memory of 348 1508 csrsll.exe 36 PID 1508 wrote to memory of 348 1508 csrsll.exe 36 PID 1508 wrote to memory of 2972 1508 csrsll.exe 37 PID 1508 wrote to memory of 2972 1508 csrsll.exe 37 PID 1508 wrote to memory of 2972 1508 csrsll.exe 37 PID 1508 wrote to memory of 2972 1508 csrsll.exe 37 PID 1508 wrote to memory of 2972 1508 csrsll.exe 37 PID 1508 wrote to memory of 2972 1508 csrsll.exe 37 PID 1508 wrote to memory of 2972 1508 csrsll.exe 37 PID 1508 wrote to memory of 2972 1508 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe"C:\Users\Admin\AppData\Local\Temp\abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Users\Admin\AppData\Local\Temp\abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe"C:\Users\Admin\AppData\Local\Temp\abb0c1672dbe8075b4ce021dca6f6d59833c3a588db73890374d32ea7edc8e6aN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\UTFOF.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:944 -
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:2840
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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:1508 -
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:348
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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:2972
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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
MD5c7540d5425405664466160a753ef6bbe
SHA1fdfbe7bcb6389f418e22456cdaf1037dbea4e9d1
SHA2567b1e3dbb7420b3395c72f9c79c26e9ee786984de65861f57f3fdb179f74b5f43
SHA512a7733566dfa976376f1660a83a92ebfb5467f896cc6aa60be850358b763c12d596b7c5bb83268c4f040e4a7f05376c8bf552ece48d7aa4deb07fc0ee8bcd371b