Analysis
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max time kernel
118s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07-11-2024 04:12
Behavioral task
behavioral1
Sample
c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe
Resource
win10v2004-20241007-en
General
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Target
c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe
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Size
90KB
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MD5
9d90a42a0f9709f28d7ee9555d632bd0
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SHA1
65bac6839d8714979cd1b0af8d1ed09c35225381
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SHA256
c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973e
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SHA512
920088f9313d345ee6ce5f28a0c6ee828f9ab674e4748c004212d94e695b827f9753e4bffeae5b08b7b20f1eb189abe35e51da7bd94c7dec4a161c6fda6a6c74
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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
Processes:
resource yara_rule behavioral1/memory/692-260-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid Process 1240 csrsll.exe 856 csrsll.exe 692 csrsll.exe -
Loads dropped DLL 5 IoCs
Processes:
c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exepid Process 2668 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 2668 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 2668 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 2668 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 2668 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.execsrsll.exedescription pid Process procid_target PID 2380 set thread context of 2668 2380 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 31 PID 1240 set thread context of 856 1240 csrsll.exe 36 PID 1240 set thread context of 692 1240 csrsll.exe 37 -
Processes:
resource yara_rule behavioral1/memory/2380-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2380-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2380-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2668-92-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2668-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2668-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2380-105-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2668-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2668-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2668-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0005000000004ed7-150.dat upx behavioral1/memory/2668-148-0x0000000003340000-0x0000000003393000-memory.dmp upx behavioral1/memory/2668-133-0x0000000003340000-0x0000000003393000-memory.dmp upx behavioral1/memory/2668-153-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1240-232-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2668-256-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1240-253-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/692-248-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/856-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/692-260-0x0000000000400000-0x0000000000414000-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.
Processes:
c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.execmd.exereg.execsrsll.execsrsll.execsrsll.exec195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
csrsll.exedescription pid Process Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe Token: SeDebugPrivilege 856 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exec195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.execsrsll.execsrsll.exepid Process 2380 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 2668 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 1240 csrsll.exe 856 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exec195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.execmd.execsrsll.exedescription pid Process procid_target PID 2380 wrote to memory of 2668 2380 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 31 PID 2380 wrote to memory of 2668 2380 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 31 PID 2380 wrote to memory of 2668 2380 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 31 PID 2380 wrote to memory of 2668 2380 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 31 PID 2380 wrote to memory of 2668 2380 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 31 PID 2380 wrote to memory of 2668 2380 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 31 PID 2380 wrote to memory of 2668 2380 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 31 PID 2380 wrote to memory of 2668 2380 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 31 PID 2668 wrote to memory of 2544 2668 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 32 PID 2668 wrote to memory of 2544 2668 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 32 PID 2668 wrote to memory of 2544 2668 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 32 PID 2668 wrote to memory of 2544 2668 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 32 PID 2544 wrote to memory of 1792 2544 cmd.exe 34 PID 2544 wrote to memory of 1792 2544 cmd.exe 34 PID 2544 wrote to memory of 1792 2544 cmd.exe 34 PID 2544 wrote to memory of 1792 2544 cmd.exe 34 PID 2668 wrote to memory of 1240 2668 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 35 PID 2668 wrote to memory of 1240 2668 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 35 PID 2668 wrote to memory of 1240 2668 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 35 PID 2668 wrote to memory of 1240 2668 c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe 35 PID 1240 wrote to memory of 856 1240 csrsll.exe 36 PID 1240 wrote to memory of 856 1240 csrsll.exe 36 PID 1240 wrote to memory of 856 1240 csrsll.exe 36 PID 1240 wrote to memory of 856 1240 csrsll.exe 36 PID 1240 wrote to memory of 856 1240 csrsll.exe 36 PID 1240 wrote to memory of 856 1240 csrsll.exe 36 PID 1240 wrote to memory of 856 1240 csrsll.exe 36 PID 1240 wrote to memory of 856 1240 csrsll.exe 36 PID 1240 wrote to memory of 692 1240 csrsll.exe 37 PID 1240 wrote to memory of 692 1240 csrsll.exe 37 PID 1240 wrote to memory of 692 1240 csrsll.exe 37 PID 1240 wrote to memory of 692 1240 csrsll.exe 37 PID 1240 wrote to memory of 692 1240 csrsll.exe 37 PID 1240 wrote to memory of 692 1240 csrsll.exe 37 PID 1240 wrote to memory of 692 1240 csrsll.exe 37 PID 1240 wrote to memory of 692 1240 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe"C:\Users\Admin\AppData\Local\Temp\c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe"C:\Users\Admin\AppData\Local\Temp\c195b85bef82786b8092fa93fbac96d3e62257a7f7a78e23cf13a75f48eb973eN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2668 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\QVRFR.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544 -
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:1792
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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:1240 -
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:856
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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:692
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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
MD50951e92ad8b606696059dc3b3a7fd5b7
SHA178dafd2f15562671364c4553683890dde8db0ccf
SHA2560ac0ec4a406b121a51710829e6e4b5645d51906282bdf077b4b05d1974bae07a
SHA512cbdd9fd91724abd73c6a7e0db764c2cb4ee331dce6eaf86c30db7866fa398d40d43a4a1a85a3893e81c5cc60b84f75405cbd05762f88c7c5c32cf4876a1e6062