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
19-12-2024 02:04
Behavioral task
behavioral1
Sample
6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe
Resource
win10v2004-20241007-en
General
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Target
6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe
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Size
326KB
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MD5
2ce8b3e28aeb6f22eae26295a13b083b
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SHA1
771aceddde227acde749787c6a7889c4c6bf771b
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SHA256
6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47
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SHA512
9fb2887abcdf5bf5907dab68c036060ebc258e94657b20b14dbddf994f8165153215e6f41a15b7088e4147d3db096b1d37e1e4b75f302c5281aec18264acf857
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SSDEEP
3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV7:h0sxD5cwohO+O1sVG0/pZ6iPC80
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/1920-260-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1280 csrsll.exe 3008 csrsll.exe 1920 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2668 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 2668 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 2668 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 2668 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 2668 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\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 1916 set thread context of 2668 1916 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 30 PID 1280 set thread context of 3008 1280 csrsll.exe 35 PID 1280 set thread context of 1920 1280 csrsll.exe 36 -
resource yara_rule behavioral1/memory/1916-0-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1916-91-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1916-88-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1916-81-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1916-80-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2668-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1916-102-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2668-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2668-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2668-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2668-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2668-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2668-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000800000001211a-132.dat upx behavioral1/memory/2668-146-0x0000000003230000-0x0000000003284000-memory.dmp upx behavioral1/memory/2668-152-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1280-213-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/3008-244-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1920-249-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1280-248-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1280-250-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2668-254-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3008-257-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1920-260-0x0000000000400000-0x0000000000414000-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 csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe Token: SeDebugPrivilege 3008 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1916 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 2668 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 1280 csrsll.exe 3008 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1916 wrote to memory of 2668 1916 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 30 PID 1916 wrote to memory of 2668 1916 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 30 PID 1916 wrote to memory of 2668 1916 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 30 PID 1916 wrote to memory of 2668 1916 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 30 PID 1916 wrote to memory of 2668 1916 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 30 PID 1916 wrote to memory of 2668 1916 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 30 PID 1916 wrote to memory of 2668 1916 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 30 PID 1916 wrote to memory of 2668 1916 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 30 PID 2668 wrote to memory of 1092 2668 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 31 PID 2668 wrote to memory of 1092 2668 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 31 PID 2668 wrote to memory of 1092 2668 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 31 PID 2668 wrote to memory of 1092 2668 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 31 PID 1092 wrote to memory of 1720 1092 cmd.exe 33 PID 1092 wrote to memory of 1720 1092 cmd.exe 33 PID 1092 wrote to memory of 1720 1092 cmd.exe 33 PID 1092 wrote to memory of 1720 1092 cmd.exe 33 PID 2668 wrote to memory of 1280 2668 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 34 PID 2668 wrote to memory of 1280 2668 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 34 PID 2668 wrote to memory of 1280 2668 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 34 PID 2668 wrote to memory of 1280 2668 6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe 34 PID 1280 wrote to memory of 3008 1280 csrsll.exe 35 PID 1280 wrote to memory of 3008 1280 csrsll.exe 35 PID 1280 wrote to memory of 3008 1280 csrsll.exe 35 PID 1280 wrote to memory of 3008 1280 csrsll.exe 35 PID 1280 wrote to memory of 3008 1280 csrsll.exe 35 PID 1280 wrote to memory of 3008 1280 csrsll.exe 35 PID 1280 wrote to memory of 3008 1280 csrsll.exe 35 PID 1280 wrote to memory of 3008 1280 csrsll.exe 35 PID 1280 wrote to memory of 1920 1280 csrsll.exe 36 PID 1280 wrote to memory of 1920 1280 csrsll.exe 36 PID 1280 wrote to memory of 1920 1280 csrsll.exe 36 PID 1280 wrote to memory of 1920 1280 csrsll.exe 36 PID 1280 wrote to memory of 1920 1280 csrsll.exe 36 PID 1280 wrote to memory of 1920 1280 csrsll.exe 36 PID 1280 wrote to memory of 1920 1280 csrsll.exe 36 PID 1280 wrote to memory of 1920 1280 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe"C:\Users\Admin\AppData\Local\Temp\6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1916 -
C:\Users\Admin\AppData\Local\Temp\6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.exe"C:\Users\Admin\AppData\Local\Temp\6ef7878a37352b1f79885a37a34e4b8ad4cc968f2d8bcb43c58eceb02d4c4f47.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\BGVUI.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1092 -
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:1720
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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:1280 -
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:3008
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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:1920
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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
326KB
MD50e57a3ee2691b2d2975a0dc8a282fffe
SHA1361d6a6fdf41c1a7865e0828a794571b90e20473
SHA25616a1c25f582910d867d1a6d39e3e13386bac359257b1875dfb7bd353609d0376
SHA512d453a3023342255fab3adb80a4cb2f2675da8b1aeb89c7881d24e8f7fb5c06ab5565469e1b280a1c910d20eb2d2031ff549c589e86522f7bf12b95fb59cb061b