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
05-12-2024 03:56
Behavioral task
behavioral1
Sample
c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe
Resource
win10v2004-20241007-en
General
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Target
c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe
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Size
90KB
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MD5
9f59b151103cbc258e6cd5f08912f0b0
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SHA1
3f189599d23617bb425e7cbbaed7ec156913e22e
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SHA256
c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3
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SHA512
877eb41885d13c6d77fbe4951204702bf1f2cec827e9c98c425040d350283ea76d98bb8ca182c223486e59414d6fd812d9ece8f90de39f59e8af73538c9251a4
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDM:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3m
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/1544-251-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1544-257-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1604 csrsll.exe 2188 csrsll.exe 1544 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2708 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 2708 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 2708 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 2708 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 2708 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.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 1712 set thread context of 2708 1712 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 31 PID 1604 set thread context of 2188 1604 csrsll.exe 36 PID 1604 set thread context of 1544 1604 csrsll.exe 37 -
resource yara_rule behavioral1/memory/1712-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2708-92-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1712-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2708-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1712-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1712-86-0x0000000000090000-0x0000000000190000-memory.dmp upx behavioral1/memory/1712-85-0x0000000000090000-0x0000000000190000-memory.dmp upx behavioral1/memory/1712-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2708-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2708-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2708-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2708-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0009000000018718-129.dat upx behavioral1/memory/2708-131-0x0000000003290000-0x00000000032E3000-memory.dmp upx behavioral1/memory/2708-149-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1604-191-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1604-252-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1544-251-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2188-250-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2708-255-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2188-256-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1544-257-0x0000000000400000-0x0000000000414000-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 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.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 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe Token: SeDebugPrivilege 2188 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1712 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 2708 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 1604 csrsll.exe 2188 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1712 wrote to memory of 2708 1712 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 31 PID 1712 wrote to memory of 2708 1712 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 31 PID 1712 wrote to memory of 2708 1712 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 31 PID 1712 wrote to memory of 2708 1712 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 31 PID 1712 wrote to memory of 2708 1712 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 31 PID 1712 wrote to memory of 2708 1712 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 31 PID 1712 wrote to memory of 2708 1712 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 31 PID 1712 wrote to memory of 2708 1712 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 31 PID 2708 wrote to memory of 1660 2708 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 32 PID 2708 wrote to memory of 1660 2708 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 32 PID 2708 wrote to memory of 1660 2708 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 32 PID 2708 wrote to memory of 1660 2708 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 32 PID 1660 wrote to memory of 1668 1660 cmd.exe 34 PID 1660 wrote to memory of 1668 1660 cmd.exe 34 PID 1660 wrote to memory of 1668 1660 cmd.exe 34 PID 1660 wrote to memory of 1668 1660 cmd.exe 34 PID 2708 wrote to memory of 1604 2708 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 35 PID 2708 wrote to memory of 1604 2708 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 35 PID 2708 wrote to memory of 1604 2708 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 35 PID 2708 wrote to memory of 1604 2708 c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe 35 PID 1604 wrote to memory of 2188 1604 csrsll.exe 36 PID 1604 wrote to memory of 2188 1604 csrsll.exe 36 PID 1604 wrote to memory of 2188 1604 csrsll.exe 36 PID 1604 wrote to memory of 2188 1604 csrsll.exe 36 PID 1604 wrote to memory of 2188 1604 csrsll.exe 36 PID 1604 wrote to memory of 2188 1604 csrsll.exe 36 PID 1604 wrote to memory of 2188 1604 csrsll.exe 36 PID 1604 wrote to memory of 2188 1604 csrsll.exe 36 PID 1604 wrote to memory of 1544 1604 csrsll.exe 37 PID 1604 wrote to memory of 1544 1604 csrsll.exe 37 PID 1604 wrote to memory of 1544 1604 csrsll.exe 37 PID 1604 wrote to memory of 1544 1604 csrsll.exe 37 PID 1604 wrote to memory of 1544 1604 csrsll.exe 37 PID 1604 wrote to memory of 1544 1604 csrsll.exe 37 PID 1604 wrote to memory of 1544 1604 csrsll.exe 37 PID 1604 wrote to memory of 1544 1604 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe"C:\Users\Admin\AppData\Local\Temp\c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Users\Admin\AppData\Local\Temp\c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe"C:\Users\Admin\AppData\Local\Temp\c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\BCNTY.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1660 -
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:1668
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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:1604 -
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:2188
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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:1544
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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
MD5427a77b23b80d5ea8410de203213931e
SHA10403745bd17ad4867578f94f6c8d43daa60e351b
SHA256ed3741251f7e4c6fc19c3450dd9a6f301011a7e272c75e6991cf0f005dd9a5d3
SHA512f11e928b77c9e5cf3aae402f6989aefa4bfd16c72986513be452eb4905e92614e6adb8099b1227b7a161e5f0042e7cb132c948b48faba890fdaeb8ff340a26b0