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Analysis
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max time kernel
119s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05/12/2024, 21:11
Behavioral task
behavioral1
Sample
76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe
Resource
win10v2004-20241007-en
General
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Target
76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe
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Size
90KB
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MD5
5e8081c3a987fd633ef3287a4149d7bf
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SHA1
bd703f1b9a40ec7c67061a3d6e637faa73dc7e78
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SHA256
76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc
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SHA512
7097744af5ab9d87772c35b85a425b3c7fcbe5dcc4f20947c9e1ccc672d1b5a3c137796a264197f5168b585fea4c23b27e4db8bb7af2b487f9a4fe4da5ab2cfe
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDG:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3A
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/2652-267-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2964 csrsll.exe 760 csrsll.exe 2652 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2236 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 2236 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 2236 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 2236 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 2236 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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 2788 set thread context of 2236 2788 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 31 PID 2964 set thread context of 760 2964 csrsll.exe 36 PID 2964 set thread context of 2652 2964 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2788-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2788-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2788-93-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2236-111-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2236-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2236-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2788-106-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2236-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2236-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2236-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2788-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2788-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2788-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2788-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x000c000000012281-136.dat upx behavioral1/memory/2236-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2964-220-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2652-255-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2964-254-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2964-257-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2236-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/760-264-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2652-267-0x0000000000400000-0x0000000000414000-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 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.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 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2788 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 2236 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 2964 csrsll.exe 760 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2788 wrote to memory of 2236 2788 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 31 PID 2788 wrote to memory of 2236 2788 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 31 PID 2788 wrote to memory of 2236 2788 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 31 PID 2788 wrote to memory of 2236 2788 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 31 PID 2788 wrote to memory of 2236 2788 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 31 PID 2788 wrote to memory of 2236 2788 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 31 PID 2788 wrote to memory of 2236 2788 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 31 PID 2788 wrote to memory of 2236 2788 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 31 PID 2236 wrote to memory of 1356 2236 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 32 PID 2236 wrote to memory of 1356 2236 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 32 PID 2236 wrote to memory of 1356 2236 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 32 PID 2236 wrote to memory of 1356 2236 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 32 PID 1356 wrote to memory of 3000 1356 cmd.exe 34 PID 1356 wrote to memory of 3000 1356 cmd.exe 34 PID 1356 wrote to memory of 3000 1356 cmd.exe 34 PID 1356 wrote to memory of 3000 1356 cmd.exe 34 PID 2236 wrote to memory of 2964 2236 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 35 PID 2236 wrote to memory of 2964 2236 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 35 PID 2236 wrote to memory of 2964 2236 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 35 PID 2236 wrote to memory of 2964 2236 76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe 35 PID 2964 wrote to memory of 760 2964 csrsll.exe 36 PID 2964 wrote to memory of 760 2964 csrsll.exe 36 PID 2964 wrote to memory of 760 2964 csrsll.exe 36 PID 2964 wrote to memory of 760 2964 csrsll.exe 36 PID 2964 wrote to memory of 760 2964 csrsll.exe 36 PID 2964 wrote to memory of 760 2964 csrsll.exe 36 PID 2964 wrote to memory of 760 2964 csrsll.exe 36 PID 2964 wrote to memory of 760 2964 csrsll.exe 36 PID 2964 wrote to memory of 2652 2964 csrsll.exe 37 PID 2964 wrote to memory of 2652 2964 csrsll.exe 37 PID 2964 wrote to memory of 2652 2964 csrsll.exe 37 PID 2964 wrote to memory of 2652 2964 csrsll.exe 37 PID 2964 wrote to memory of 2652 2964 csrsll.exe 37 PID 2964 wrote to memory of 2652 2964 csrsll.exe 37 PID 2964 wrote to memory of 2652 2964 csrsll.exe 37 PID 2964 wrote to memory of 2652 2964 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe"C:\Users\Admin\AppData\Local\Temp\76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Users\Admin\AppData\Local\Temp\76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe"C:\Users\Admin\AppData\Local\Temp\76bd40e1998706c70650aebb2f35c43108ec7eaeb582b5fe01e42fb257f1ecfc.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2236 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\NEYDO.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1356 -
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:3000
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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:2964 -
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:760
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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:2652
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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
MD56fcf7103071b3f4bc62ea60a4a10a162
SHA149b4dd80b90833dfda84e1ac3c90c918c6061164
SHA2567bddb7f35e62f292d30835c5957b4ba0cca5bbd55545fa8e415e44c993d25470
SHA5124e4ffe8d6b01970a0ccc5d543af12bab8ca30341ac4b9f923a5f158c081bc72fca92a58d784ae6241a78e939a944a19d26bd5eb44ecb491e01ecfe53e93a6192