Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
01/12/2024, 21:38
Behavioral task
behavioral1
Sample
c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe
Resource
win10v2004-20241007-en
General
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Target
c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe
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Size
90KB
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MD5
4ba7f2c52227a76e279f0943f103e90a
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SHA1
30191cd71ab4203a59e14b8a4fefd932ea979a2a
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SHA256
c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf
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SHA512
10085ef981716b44f6300ea019173f55c08c60fae8484aad0a9696631f531d0a5be22ea23e877fee8d44c35e4dc9baaf8d33eddcb2f9c93096f265c4e80ca4ed
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDA:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3+
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/908-251-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/908-260-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2788 csrsll.exe 2336 csrsll.exe 908 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 344 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 344 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 344 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 344 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 344 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\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 1944 set thread context of 344 1944 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 30 PID 2788 set thread context of 2336 2788 csrsll.exe 36 PID 2788 set thread context of 908 2788 csrsll.exe 37 -
resource yara_rule behavioral1/memory/1944-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1944-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1944-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/344-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/344-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1944-102-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/344-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1944-88-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1944-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/344-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/344-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/344-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/344-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000b00000001202c-133.dat upx behavioral1/memory/344-135-0x0000000003270000-0x00000000032C3000-memory.dmp upx behavioral1/memory/344-153-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2788-214-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/344-211-0x0000000003270000-0x00000000032C3000-memory.dmp upx behavioral1/memory/908-251-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2336-250-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/344-258-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2788-254-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2336-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/908-260-0x0000000000400000-0x0000000000414000-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.
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 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.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 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe Token: SeDebugPrivilege 2336 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1944 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 344 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 2788 csrsll.exe 2336 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1944 wrote to memory of 344 1944 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 30 PID 1944 wrote to memory of 344 1944 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 30 PID 1944 wrote to memory of 344 1944 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 30 PID 1944 wrote to memory of 344 1944 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 30 PID 1944 wrote to memory of 344 1944 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 30 PID 1944 wrote to memory of 344 1944 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 30 PID 1944 wrote to memory of 344 1944 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 30 PID 1944 wrote to memory of 344 1944 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 30 PID 344 wrote to memory of 1492 344 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 31 PID 344 wrote to memory of 1492 344 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 31 PID 344 wrote to memory of 1492 344 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 31 PID 344 wrote to memory of 1492 344 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 31 PID 1492 wrote to memory of 452 1492 cmd.exe 33 PID 1492 wrote to memory of 452 1492 cmd.exe 33 PID 1492 wrote to memory of 452 1492 cmd.exe 33 PID 1492 wrote to memory of 452 1492 cmd.exe 33 PID 344 wrote to memory of 2788 344 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 34 PID 344 wrote to memory of 2788 344 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 34 PID 344 wrote to memory of 2788 344 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 34 PID 344 wrote to memory of 2788 344 c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe 34 PID 2788 wrote to memory of 2336 2788 csrsll.exe 36 PID 2788 wrote to memory of 2336 2788 csrsll.exe 36 PID 2788 wrote to memory of 2336 2788 csrsll.exe 36 PID 2788 wrote to memory of 2336 2788 csrsll.exe 36 PID 2788 wrote to memory of 2336 2788 csrsll.exe 36 PID 2788 wrote to memory of 2336 2788 csrsll.exe 36 PID 2788 wrote to memory of 2336 2788 csrsll.exe 36 PID 2788 wrote to memory of 2336 2788 csrsll.exe 36 PID 2788 wrote to memory of 908 2788 csrsll.exe 37 PID 2788 wrote to memory of 908 2788 csrsll.exe 37 PID 2788 wrote to memory of 908 2788 csrsll.exe 37 PID 2788 wrote to memory of 908 2788 csrsll.exe 37 PID 2788 wrote to memory of 908 2788 csrsll.exe 37 PID 2788 wrote to memory of 908 2788 csrsll.exe 37 PID 2788 wrote to memory of 908 2788 csrsll.exe 37 PID 2788 wrote to memory of 908 2788 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe"C:\Users\Admin\AppData\Local\Temp\c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Users\Admin\AppData\Local\Temp\c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe"C:\Users\Admin\AppData\Local\Temp\c1f7148ad93c2a5da0bc59580618d6a9a06d5ec0752f2ae7ff11164a7f3031bf.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:344 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\JOBEQ.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1492 -
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:452
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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:2788 -
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:2336
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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:908
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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
MD5d1690431a1e42693e0a2e424beb224b0
SHA17b74c5cdc8e4d8369163259d7b31b9ec9cde99fa
SHA256c96e2f032a78c5294c4e9bed62bc4212b4f1ba1e92a5338ba50ff6e31ebb37f7
SHA512b9155496b6fdad8d3cf57bb9b079e434d5a6a5900ec4130d083cc1c1164837c653d501516f44ff252a6018eb7b431fed2ad4d19829a44b17335b90fc7b40ec25