Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
03/11/2024, 12:20
Behavioral task
behavioral1
Sample
4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe
Resource
win10v2004-20241007-en
General
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Target
4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe
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Size
90KB
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MD5
20b8ae80b152181549132a0e23f6a580
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SHA1
8365958bd7f9d942ef6e6242c720e3f08eb85982
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SHA256
4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aa
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SHA512
f869dacdc27f0a811aa18324aedf3b13f94a40dd0331350689028b1a914e7af6dee58b3e59ddb683760ff329b0c0245470c686cc301316223087db58cb14f9f3
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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/840-265-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2944 csrsll.exe 1340 csrsll.exe 840 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2644 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 2644 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 2644 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 2644 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 2644 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.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 1452 set thread context of 2644 1452 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 30 PID 2944 set thread context of 1340 2944 csrsll.exe 36 PID 2944 set thread context of 840 2944 csrsll.exe 37 -
resource yara_rule behavioral1/memory/1452-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1452-28-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1452-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2644-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1452-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1452-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1452-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1452-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2644-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2644-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2644-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2644-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2644-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x00090000000120f9-134.dat upx behavioral1/memory/2644-136-0x0000000003460000-0x00000000034B3000-memory.dmp upx behavioral1/memory/2644-155-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2944-218-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/840-249-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2644-256-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2944-253-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2944-248-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1340-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/840-265-0x0000000000400000-0x0000000000414000-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 csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.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 -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe Token: SeDebugPrivilege 1340 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1452 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 2644 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 2944 csrsll.exe 1340 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1452 wrote to memory of 2644 1452 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 30 PID 1452 wrote to memory of 2644 1452 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 30 PID 1452 wrote to memory of 2644 1452 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 30 PID 1452 wrote to memory of 2644 1452 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 30 PID 1452 wrote to memory of 2644 1452 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 30 PID 1452 wrote to memory of 2644 1452 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 30 PID 1452 wrote to memory of 2644 1452 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 30 PID 1452 wrote to memory of 2644 1452 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 30 PID 2644 wrote to memory of 1640 2644 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 31 PID 2644 wrote to memory of 1640 2644 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 31 PID 2644 wrote to memory of 1640 2644 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 31 PID 2644 wrote to memory of 1640 2644 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 31 PID 1640 wrote to memory of 2932 1640 cmd.exe 33 PID 1640 wrote to memory of 2932 1640 cmd.exe 33 PID 1640 wrote to memory of 2932 1640 cmd.exe 33 PID 1640 wrote to memory of 2932 1640 cmd.exe 33 PID 2644 wrote to memory of 2944 2644 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 34 PID 2644 wrote to memory of 2944 2644 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 34 PID 2644 wrote to memory of 2944 2644 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 34 PID 2644 wrote to memory of 2944 2644 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 34 PID 2944 wrote to memory of 1340 2944 csrsll.exe 36 PID 2944 wrote to memory of 1340 2944 csrsll.exe 36 PID 2944 wrote to memory of 1340 2944 csrsll.exe 36 PID 2944 wrote to memory of 1340 2944 csrsll.exe 36 PID 2944 wrote to memory of 1340 2944 csrsll.exe 36 PID 2944 wrote to memory of 1340 2944 csrsll.exe 36 PID 2944 wrote to memory of 1340 2944 csrsll.exe 36 PID 2944 wrote to memory of 1340 2944 csrsll.exe 36 PID 2944 wrote to memory of 840 2944 csrsll.exe 37 PID 2944 wrote to memory of 840 2944 csrsll.exe 37 PID 2944 wrote to memory of 840 2944 csrsll.exe 37 PID 2944 wrote to memory of 840 2944 csrsll.exe 37 PID 2944 wrote to memory of 840 2944 csrsll.exe 37 PID 2944 wrote to memory of 840 2944 csrsll.exe 37 PID 2944 wrote to memory of 840 2944 csrsll.exe 37 PID 2944 wrote to memory of 840 2944 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe"C:\Users\Admin\AppData\Local\Temp\4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1452 -
C:\Users\Admin\AppData\Local\Temp\4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe"C:\Users\Admin\AppData\Local\Temp\4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\USQUI.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1640 -
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:2932
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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:2944 -
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:1340
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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:840
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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
MD5a08b9d0afb63d2015c25f83994d88371
SHA1cb23606a60437eba84b68af4d6bde56481a4316f
SHA256543e8e92f8baba7b211b42ec5f2eef55408f43ecc95372057cd19736fdd1c528
SHA512256f4cc4aedc5a43de500a0bb15b633c401cd515196218260d4fc53203a2bc8ec63e5e5cb3931f40d632d6a2240f2ddc9246776086a97bf9d0dbe8c0d0cffc13