Analysis
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max time kernel
149s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
03/11/2024, 11:05
Behavioral task
behavioral1
Sample
003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe
Resource
win10v2004-20241007-en
General
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Target
003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe
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Size
326KB
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MD5
d08fa43660dfc4e16ccfa026531cbfa0
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SHA1
5c0e7ac0231970d7901917e7057f254a8bd7fc8e
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SHA256
003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6
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SHA512
e496eb2664de96255d874bdea9b74f4753d90b75c782a77f67d3594066df3cce8d5954c92f55b97b8d0cdbd9eca7e508f1892977013d0aaa0be60588366ce918
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SSDEEP
3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:h0sxD5cwohO+O1sVG0/pZ6iPC8
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/324-252-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/324-259-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 628 csrsll.exe 688 csrsll.exe 324 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2808 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 2808 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 2808 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 2808 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 2808 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.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 2384 set thread context of 2808 2384 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 628 set thread context of 688 628 csrsll.exe 36 PID 628 set thread context of 324 628 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2384-0-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2384-91-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2384-86-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2384-81-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2384-80-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2808-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2808-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2808-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2384-102-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2808-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2808-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2808-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2808-134-0x0000000002760000-0x00000000027B4000-memory.dmp upx behavioral1/files/0x0009000000019329-132.dat upx behavioral1/memory/2808-149-0x0000000002770000-0x00000000027C4000-memory.dmp upx behavioral1/memory/2808-152-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/628-213-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2808-253-0x0000000002770000-0x00000000027C4000-memory.dmp upx behavioral1/memory/2808-255-0x0000000002770000-0x00000000027C4000-memory.dmp upx behavioral1/memory/324-252-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/688-251-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/628-250-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2808-257-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/688-258-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/324-259-0x0000000000400000-0x0000000000414000-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 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.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 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe Token: SeDebugPrivilege 688 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2384 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 2808 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 628 csrsll.exe 688 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2384 wrote to memory of 2808 2384 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2384 wrote to memory of 2808 2384 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2384 wrote to memory of 2808 2384 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2384 wrote to memory of 2808 2384 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2384 wrote to memory of 2808 2384 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2384 wrote to memory of 2808 2384 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2384 wrote to memory of 2808 2384 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2384 wrote to memory of 2808 2384 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2808 wrote to memory of 1984 2808 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 32 PID 2808 wrote to memory of 1984 2808 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 32 PID 2808 wrote to memory of 1984 2808 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 32 PID 2808 wrote to memory of 1984 2808 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 32 PID 1984 wrote to memory of 1364 1984 cmd.exe 34 PID 1984 wrote to memory of 1364 1984 cmd.exe 34 PID 1984 wrote to memory of 1364 1984 cmd.exe 34 PID 1984 wrote to memory of 1364 1984 cmd.exe 34 PID 2808 wrote to memory of 628 2808 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 35 PID 2808 wrote to memory of 628 2808 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 35 PID 2808 wrote to memory of 628 2808 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 35 PID 2808 wrote to memory of 628 2808 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 35 PID 628 wrote to memory of 688 628 csrsll.exe 36 PID 628 wrote to memory of 688 628 csrsll.exe 36 PID 628 wrote to memory of 688 628 csrsll.exe 36 PID 628 wrote to memory of 688 628 csrsll.exe 36 PID 628 wrote to memory of 688 628 csrsll.exe 36 PID 628 wrote to memory of 688 628 csrsll.exe 36 PID 628 wrote to memory of 688 628 csrsll.exe 36 PID 628 wrote to memory of 688 628 csrsll.exe 36 PID 628 wrote to memory of 324 628 csrsll.exe 37 PID 628 wrote to memory of 324 628 csrsll.exe 37 PID 628 wrote to memory of 324 628 csrsll.exe 37 PID 628 wrote to memory of 324 628 csrsll.exe 37 PID 628 wrote to memory of 324 628 csrsll.exe 37 PID 628 wrote to memory of 324 628 csrsll.exe 37 PID 628 wrote to memory of 324 628 csrsll.exe 37 PID 628 wrote to memory of 324 628 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe"C:\Users\Admin\AppData\Local\Temp\003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Users\Admin\AppData\Local\Temp\003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe"C:\Users\Admin\AppData\Local\Temp\003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2808 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\ULAVR.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984 -
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:1364
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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:628 -
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:688
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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:324
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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
MD5a800d675116c4567139b1f2c1dc76f44
SHA15eb21c2d40b19a69ce56c4166f2f7735fffbf116
SHA2562eda44538a7361230eaf5c443a43bb0813da6e2f4d2823d87945e7d1b8bdff7b
SHA5129f4dad040524faa4948d8c146fc5a6baa1833191e6464ddb839b07c2b9a87adf928647e4177884ccccfded9b2a1d422636cf8f1077669cb69ce0ab193e96d7b8