Analysis
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max time kernel
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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
01/12/2024, 19:47
Behavioral task
behavioral1
Sample
f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe
Resource
win10v2004-20241007-en
General
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Target
f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe
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Size
90KB
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MD5
35d28480c6da8171d4adbdbf988dae10
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SHA1
37c67d18e95a89e47078046af28cbc158f20e7a1
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SHA256
f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251
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SHA512
d603a9fd90b160b7dc96f0980af1e30755b02b31324180ea8469de07b357eacdc7988a940ace9b34ea0f94a2054c37e1b603fcb427e0ad819087034878a1f6ba
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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 2 IoCs
resource yara_rule behavioral1/memory/1792-255-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1792-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2952 csrsll.exe 2516 csrsll.exe 1792 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2644 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 2644 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 2644 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 2644 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 2644 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\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 2524 set thread context of 2644 2524 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 30 PID 2952 set thread context of 2516 2952 csrsll.exe 36 PID 2952 set thread context of 1792 2952 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2524-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2524-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2524-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2524-100-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2644-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2644-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2644-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2644-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2644-92-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2644-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2644-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2644-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000b0000000120d6-131.dat upx behavioral1/memory/2644-133-0x00000000030D0000-0x0000000003123000-memory.dmp upx behavioral1/memory/2644-154-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2952-212-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2952-247-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2644-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1792-255-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2516-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1792-262-0x0000000000400000-0x0000000000414000-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 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.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 -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe Token: SeDebugPrivilege 2516 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2524 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 2644 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 2952 csrsll.exe 2516 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2524 wrote to memory of 2644 2524 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 30 PID 2524 wrote to memory of 2644 2524 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 30 PID 2524 wrote to memory of 2644 2524 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 30 PID 2524 wrote to memory of 2644 2524 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 30 PID 2524 wrote to memory of 2644 2524 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 30 PID 2524 wrote to memory of 2644 2524 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 30 PID 2524 wrote to memory of 2644 2524 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 30 PID 2524 wrote to memory of 2644 2524 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 30 PID 2644 wrote to memory of 2088 2644 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 31 PID 2644 wrote to memory of 2088 2644 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 31 PID 2644 wrote to memory of 2088 2644 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 31 PID 2644 wrote to memory of 2088 2644 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 31 PID 2088 wrote to memory of 636 2088 cmd.exe 33 PID 2088 wrote to memory of 636 2088 cmd.exe 33 PID 2088 wrote to memory of 636 2088 cmd.exe 33 PID 2088 wrote to memory of 636 2088 cmd.exe 33 PID 2644 wrote to memory of 2952 2644 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 34 PID 2644 wrote to memory of 2952 2644 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 34 PID 2644 wrote to memory of 2952 2644 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 34 PID 2644 wrote to memory of 2952 2644 f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe 34 PID 2952 wrote to memory of 2516 2952 csrsll.exe 36 PID 2952 wrote to memory of 2516 2952 csrsll.exe 36 PID 2952 wrote to memory of 2516 2952 csrsll.exe 36 PID 2952 wrote to memory of 2516 2952 csrsll.exe 36 PID 2952 wrote to memory of 2516 2952 csrsll.exe 36 PID 2952 wrote to memory of 2516 2952 csrsll.exe 36 PID 2952 wrote to memory of 2516 2952 csrsll.exe 36 PID 2952 wrote to memory of 2516 2952 csrsll.exe 36 PID 2952 wrote to memory of 1792 2952 csrsll.exe 37 PID 2952 wrote to memory of 1792 2952 csrsll.exe 37 PID 2952 wrote to memory of 1792 2952 csrsll.exe 37 PID 2952 wrote to memory of 1792 2952 csrsll.exe 37 PID 2952 wrote to memory of 1792 2952 csrsll.exe 37 PID 2952 wrote to memory of 1792 2952 csrsll.exe 37 PID 2952 wrote to memory of 1792 2952 csrsll.exe 37 PID 2952 wrote to memory of 1792 2952 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe"C:\Users\Admin\AppData\Local\Temp\f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Users\Admin\AppData\Local\Temp\f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe"C:\Users\Admin\AppData\Local\Temp\f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.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\PDGCA.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088 -
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:636
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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:2952 -
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:2516
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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:1792
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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
MD5dd4ab568c2e837f2a15790e55bca872d
SHA14b90b9b1bd7e81d479347e4b6da5fda8fc318b23
SHA25651972c328601e03cfec8f06e9876108c1d65197d80c29ffe6b9794660ac8b179
SHA5125db6b183467993c0fd0c0cebffb691e16464e51cc54f89eeb15492aa6afade7e6beeaa0a8bfcad028f97ae7d7c9eeb92ae4abb9a2c19d21b157f28c26221fb20