Analysis
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max time kernel
120s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03-11-2024 10:58
Behavioral task
behavioral1
Sample
003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe
Resource
win7-20240903-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 1 IoCs
Processes:
resource yara_rule behavioral1/memory/784-260-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid Process 1264 csrsll.exe 784 csrsll.exe 972 csrsll.exe -
Loads dropped DLL 5 IoCs
Processes:
003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exepid Process 2724 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 2724 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 2724 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 2724 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 2724 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.execsrsll.exedescription pid Process procid_target PID 2388 set thread context of 2724 2388 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 1264 set thread context of 972 1264 csrsll.exe 35 PID 1264 set thread context of 784 1264 csrsll.exe 36 -
Processes:
resource yara_rule behavioral1/memory/2388-0-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2388-79-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2724-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2724-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2388-109-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2724-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2724-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2388-93-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2724-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2724-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2388-92-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2388-85-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2388-82-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2388-78-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/files/0x000b00000001225a-134.dat upx behavioral1/memory/2724-135-0x0000000003470000-0x00000000034C4000-memory.dmp upx behavioral1/memory/2724-149-0x0000000003470000-0x00000000034C4000-memory.dmp upx behavioral1/memory/2724-154-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1264-225-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/784-249-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2724-253-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1264-250-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/784-260-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/972-261-0x0000000000400000-0x000000000040B000-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.
Processes:
003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.execmd.exereg.execsrsll.execsrsll.execsrsll.exedescription ioc Process 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 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
Processes:
csrsll.exedescription pid Process Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe Token: SeDebugPrivilege 972 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.execsrsll.execsrsll.exepid Process 2388 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 2724 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 1264 csrsll.exe 972 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.execmd.execsrsll.exedescription pid Process procid_target PID 2388 wrote to memory of 2724 2388 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2388 wrote to memory of 2724 2388 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2388 wrote to memory of 2724 2388 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2388 wrote to memory of 2724 2388 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2388 wrote to memory of 2724 2388 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2388 wrote to memory of 2724 2388 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2388 wrote to memory of 2724 2388 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2388 wrote to memory of 2724 2388 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 30 PID 2724 wrote to memory of 1424 2724 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 31 PID 2724 wrote to memory of 1424 2724 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 31 PID 2724 wrote to memory of 1424 2724 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 31 PID 2724 wrote to memory of 1424 2724 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 31 PID 1424 wrote to memory of 3020 1424 cmd.exe 33 PID 1424 wrote to memory of 3020 1424 cmd.exe 33 PID 1424 wrote to memory of 3020 1424 cmd.exe 33 PID 1424 wrote to memory of 3020 1424 cmd.exe 33 PID 2724 wrote to memory of 1264 2724 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 34 PID 2724 wrote to memory of 1264 2724 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 34 PID 2724 wrote to memory of 1264 2724 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 34 PID 2724 wrote to memory of 1264 2724 003b8f678b287bb6bc1fda520d3559d542c133e7f2f1287010da3e604ea924d6N.exe 34 PID 1264 wrote to memory of 972 1264 csrsll.exe 35 PID 1264 wrote to memory of 972 1264 csrsll.exe 35 PID 1264 wrote to memory of 972 1264 csrsll.exe 35 PID 1264 wrote to memory of 972 1264 csrsll.exe 35 PID 1264 wrote to memory of 972 1264 csrsll.exe 35 PID 1264 wrote to memory of 972 1264 csrsll.exe 35 PID 1264 wrote to memory of 972 1264 csrsll.exe 35 PID 1264 wrote to memory of 972 1264 csrsll.exe 35 PID 1264 wrote to memory of 784 1264 csrsll.exe 36 PID 1264 wrote to memory of 784 1264 csrsll.exe 36 PID 1264 wrote to memory of 784 1264 csrsll.exe 36 PID 1264 wrote to memory of 784 1264 csrsll.exe 36 PID 1264 wrote to memory of 784 1264 csrsll.exe 36 PID 1264 wrote to memory of 784 1264 csrsll.exe 36 PID 1264 wrote to memory of 784 1264 csrsll.exe 36 PID 1264 wrote to memory of 784 1264 csrsll.exe 36
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:2388 -
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:2724 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\FTTHI.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1424 -
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:3020
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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:1264 -
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:972
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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:784
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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
MD55c863ee3dd7711bc91258f01c41d0783
SHA1edd3ef073edcc0daa635ba990b635a5021c19d1f
SHA2563d97956073e46d114e91abeb0e7f931929d198f0ae2dce33801c6037d8efe3a0
SHA512bcb3720eaacfed3e6b3e53de8ff72110df2b5112d11139f759eed220aa423f6e22f02be21fdae15eedc611ca627f538f6efaa631597009e7fda7097b06e5fc55