Analysis
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max time kernel
119s -
max time network
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platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07-01-2025 03:25
Behavioral task
behavioral1
Sample
87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe
Resource
win10v2004-20241007-en
General
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Target
87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe
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Size
90KB
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MD5
36fb2fc8d7b9486526ea99b853c946ad
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SHA1
9103f1b38a0e1b0e9a44672008145882b268bb84
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SHA256
87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c
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SHA512
063a6c7129ea588db5568a073639aa62b7ddee363c7a29082d6a6df52c557a4c397d5e5aae20c86678132af759365a11ead05cbc030c665328474b83292370da
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDe:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3o
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/1988-264-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1640 csrsll.exe 1776 csrsll.exe 1988 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2296 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 2296 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 2296 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 2296 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 2296 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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 3044 set thread context of 2296 3044 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 31 PID 1640 set thread context of 1776 1640 csrsll.exe 36 PID 1640 set thread context of 1988 1640 csrsll.exe 37 -
resource yara_rule behavioral1/memory/3044-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3044-86-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3044-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3044-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3044-102-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2296-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2296-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2296-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2296-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2296-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2296-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3044-73-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2296-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0008000000018731-138.dat upx behavioral1/memory/2296-153-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3044-152-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1640-216-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1640-251-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1988-249-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1640-257-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2296-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1776-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1988-264-0x0000000000400000-0x0000000000414000-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 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 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe Token: SeDebugPrivilege 1776 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3044 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 2296 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 1640 csrsll.exe 1776 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3044 wrote to memory of 2296 3044 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 31 PID 3044 wrote to memory of 2296 3044 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 31 PID 3044 wrote to memory of 2296 3044 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 31 PID 3044 wrote to memory of 2296 3044 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 31 PID 3044 wrote to memory of 2296 3044 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 31 PID 3044 wrote to memory of 2296 3044 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 31 PID 3044 wrote to memory of 2296 3044 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 31 PID 3044 wrote to memory of 2296 3044 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 31 PID 2296 wrote to memory of 1624 2296 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 32 PID 2296 wrote to memory of 1624 2296 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 32 PID 2296 wrote to memory of 1624 2296 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 32 PID 2296 wrote to memory of 1624 2296 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 32 PID 1624 wrote to memory of 1948 1624 cmd.exe 34 PID 1624 wrote to memory of 1948 1624 cmd.exe 34 PID 1624 wrote to memory of 1948 1624 cmd.exe 34 PID 1624 wrote to memory of 1948 1624 cmd.exe 34 PID 2296 wrote to memory of 1640 2296 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 35 PID 2296 wrote to memory of 1640 2296 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 35 PID 2296 wrote to memory of 1640 2296 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 35 PID 2296 wrote to memory of 1640 2296 87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe 35 PID 1640 wrote to memory of 1776 1640 csrsll.exe 36 PID 1640 wrote to memory of 1776 1640 csrsll.exe 36 PID 1640 wrote to memory of 1776 1640 csrsll.exe 36 PID 1640 wrote to memory of 1776 1640 csrsll.exe 36 PID 1640 wrote to memory of 1776 1640 csrsll.exe 36 PID 1640 wrote to memory of 1776 1640 csrsll.exe 36 PID 1640 wrote to memory of 1776 1640 csrsll.exe 36 PID 1640 wrote to memory of 1776 1640 csrsll.exe 36 PID 1640 wrote to memory of 1988 1640 csrsll.exe 37 PID 1640 wrote to memory of 1988 1640 csrsll.exe 37 PID 1640 wrote to memory of 1988 1640 csrsll.exe 37 PID 1640 wrote to memory of 1988 1640 csrsll.exe 37 PID 1640 wrote to memory of 1988 1640 csrsll.exe 37 PID 1640 wrote to memory of 1988 1640 csrsll.exe 37 PID 1640 wrote to memory of 1988 1640 csrsll.exe 37 PID 1640 wrote to memory of 1988 1640 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe"C:\Users\Admin\AppData\Local\Temp\87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Users\Admin\AppData\Local\Temp\87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe"C:\Users\Admin\AppData\Local\Temp\87bea39a726dda79b91355e0a09799182c6ad9be15d13e5004e7705d1c29b06c.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2296 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\DEAVQ.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1624 -
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:1948
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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:1640 -
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:1776
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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:1988
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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
MD5529da18ca51ed72fc7ed0e22f080f81f
SHA18573b2d796adae90dc8a0bac24a3e5a925c64f54
SHA256d5e524599a2a797456df6fd502fcb1f6e31cf9aac6f72a4f445dad37e67ca49c
SHA512d9e34f5b50c3653e0a0bc499e9296ba1d9f55672d461b434dfb783ebf08c9e1da1e923218b24b89bc22b35c0b7a15d2ba18b18ea653cb4a8801e8cb8611c0372