Analysis
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max time kernel
120s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-09-2024 01:51
Behavioral task
behavioral1
Sample
256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe
Resource
win10v2004-20240802-en
General
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Target
256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe
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Size
90KB
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MD5
dca8d73e875c1b36915b761b11544ed0
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SHA1
bd5e95898ed38708ce097885f2b59d789bf90cb6
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SHA256
256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8
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SHA512
43cea8c88d16b429d016d6811946548483e6824919936caad4eef79d9f29dcf55bc00bae4c6567f8bd81137568d298b5e19ce25c12b392c0568e2d9b1f2d9275
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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 Second Stage 1 IoCs
resource yara_rule behavioral1/memory/964-264-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2680 csrsll.exe 316 csrsll.exe 964 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2616 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 2616 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 2616 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 2616 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 2616 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\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 2420 set thread context of 2616 2420 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 30 PID 2680 set thread context of 316 2680 csrsll.exe 35 PID 2680 set thread context of 964 2680 csrsll.exe 36 -
resource yara_rule behavioral1/memory/2420-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2420-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2420-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2420-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2420-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2420-78-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2616-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2616-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2616-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2616-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2420-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2616-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2616-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x00090000000120ff-136.dat upx behavioral1/memory/2616-135-0x00000000031E0000-0x0000000003233000-memory.dmp upx behavioral1/memory/2680-153-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2616-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2680-216-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/964-253-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2616-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2680-254-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/316-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/964-264-0x0000000000400000-0x0000000000414000-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 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 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe Token: SeDebugPrivilege 316 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2420 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 2616 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 2680 csrsll.exe 316 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2420 wrote to memory of 2616 2420 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 30 PID 2420 wrote to memory of 2616 2420 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 30 PID 2420 wrote to memory of 2616 2420 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 30 PID 2420 wrote to memory of 2616 2420 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 30 PID 2420 wrote to memory of 2616 2420 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 30 PID 2420 wrote to memory of 2616 2420 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 30 PID 2420 wrote to memory of 2616 2420 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 30 PID 2420 wrote to memory of 2616 2420 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 30 PID 2616 wrote to memory of 2044 2616 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 31 PID 2616 wrote to memory of 2044 2616 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 31 PID 2616 wrote to memory of 2044 2616 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 31 PID 2616 wrote to memory of 2044 2616 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 31 PID 2044 wrote to memory of 1996 2044 cmd.exe 33 PID 2044 wrote to memory of 1996 2044 cmd.exe 33 PID 2044 wrote to memory of 1996 2044 cmd.exe 33 PID 2044 wrote to memory of 1996 2044 cmd.exe 33 PID 2616 wrote to memory of 2680 2616 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 34 PID 2616 wrote to memory of 2680 2616 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 34 PID 2616 wrote to memory of 2680 2616 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 34 PID 2616 wrote to memory of 2680 2616 256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe 34 PID 2680 wrote to memory of 316 2680 csrsll.exe 35 PID 2680 wrote to memory of 316 2680 csrsll.exe 35 PID 2680 wrote to memory of 316 2680 csrsll.exe 35 PID 2680 wrote to memory of 316 2680 csrsll.exe 35 PID 2680 wrote to memory of 316 2680 csrsll.exe 35 PID 2680 wrote to memory of 316 2680 csrsll.exe 35 PID 2680 wrote to memory of 316 2680 csrsll.exe 35 PID 2680 wrote to memory of 316 2680 csrsll.exe 35 PID 2680 wrote to memory of 964 2680 csrsll.exe 36 PID 2680 wrote to memory of 964 2680 csrsll.exe 36 PID 2680 wrote to memory of 964 2680 csrsll.exe 36 PID 2680 wrote to memory of 964 2680 csrsll.exe 36 PID 2680 wrote to memory of 964 2680 csrsll.exe 36 PID 2680 wrote to memory of 964 2680 csrsll.exe 36 PID 2680 wrote to memory of 964 2680 csrsll.exe 36 PID 2680 wrote to memory of 964 2680 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe"C:\Users\Admin\AppData\Local\Temp\256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2420 -
C:\Users\Admin\AppData\Local\Temp\256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe"C:\Users\Admin\AppData\Local\Temp\256c3d7a0d1086fe2aacbf0614331373b37b9e1ab6693e98e992c57cd0db5ec8N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\SECGB.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2044 -
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:1996
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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:2680 -
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:316
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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:964
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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
MD5a546166c2bc1c1a97303a11aa26b0380
SHA170ee89fc13b7413215689ef8de39d6d9a23193e1
SHA256f0af499c00efe502fd30e19952f3a3e8431b4ee5e9a58c3e7f15d16bb320fc9e
SHA512bc6a21cd3b2d417c469efd5208513d81a1cf2c4d63c2bde7ec2ce02ef5057bd05344ad5351c2ad83e9f54bdddca56b0b2cfcd68bf3b9f440feaa5c2fad22d0ed