Analysis
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max time kernel
118s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
11-11-2024 21:01
Behavioral task
behavioral1
Sample
b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe
Resource
win10v2004-20241007-en
General
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Target
b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe
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Size
90KB
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MD5
bc02996392c4e888ef2d40d484543058
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SHA1
e488c426f36a03925abf1abf22878af5c8246d27
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SHA256
b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c
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SHA512
551291b40eff9f617a4b5c7f658d196ae26bb786de1023b8ef61707e78430ac5d3778aabecc30ac4b90a16102c47c76deca4ab9e3d55e5b11812745c41027685
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDu:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
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/1344-256-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1344-263-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 912 csrsll.exe 888 csrsll.exe 1344 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2748 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 2748 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 2748 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 2748 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 2748 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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 2692 set thread context of 2748 2692 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 30 PID 912 set thread context of 888 912 csrsll.exe 36 PID 912 set thread context of 1344 912 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2692-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2692-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2692-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2748-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2692-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2748-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2748-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2748-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2748-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2748-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2692-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2692-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2692-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2748-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0008000000012118-133.dat upx behavioral1/memory/2748-135-0x00000000025A0000-0x00000000025F3000-memory.dmp upx behavioral1/memory/2692-155-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2748-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/912-216-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2748-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/912-258-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1344-256-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/888-255-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/888-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1344-263-0x0000000000400000-0x0000000000414000-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 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.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
description pid Process Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe Token: SeDebugPrivilege 888 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2692 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 2748 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 912 csrsll.exe 888 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2692 wrote to memory of 2748 2692 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 30 PID 2692 wrote to memory of 2748 2692 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 30 PID 2692 wrote to memory of 2748 2692 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 30 PID 2692 wrote to memory of 2748 2692 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 30 PID 2692 wrote to memory of 2748 2692 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 30 PID 2692 wrote to memory of 2748 2692 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 30 PID 2692 wrote to memory of 2748 2692 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 30 PID 2692 wrote to memory of 2748 2692 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 30 PID 2748 wrote to memory of 840 2748 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 31 PID 2748 wrote to memory of 840 2748 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 31 PID 2748 wrote to memory of 840 2748 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 31 PID 2748 wrote to memory of 840 2748 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 31 PID 840 wrote to memory of 2960 840 cmd.exe 33 PID 840 wrote to memory of 2960 840 cmd.exe 33 PID 840 wrote to memory of 2960 840 cmd.exe 33 PID 840 wrote to memory of 2960 840 cmd.exe 33 PID 2748 wrote to memory of 912 2748 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 34 PID 2748 wrote to memory of 912 2748 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 34 PID 2748 wrote to memory of 912 2748 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 34 PID 2748 wrote to memory of 912 2748 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 34 PID 912 wrote to memory of 888 912 csrsll.exe 36 PID 912 wrote to memory of 888 912 csrsll.exe 36 PID 912 wrote to memory of 888 912 csrsll.exe 36 PID 912 wrote to memory of 888 912 csrsll.exe 36 PID 912 wrote to memory of 888 912 csrsll.exe 36 PID 912 wrote to memory of 888 912 csrsll.exe 36 PID 912 wrote to memory of 888 912 csrsll.exe 36 PID 912 wrote to memory of 888 912 csrsll.exe 36 PID 912 wrote to memory of 1344 912 csrsll.exe 37 PID 912 wrote to memory of 1344 912 csrsll.exe 37 PID 912 wrote to memory of 1344 912 csrsll.exe 37 PID 912 wrote to memory of 1344 912 csrsll.exe 37 PID 912 wrote to memory of 1344 912 csrsll.exe 37 PID 912 wrote to memory of 1344 912 csrsll.exe 37 PID 912 wrote to memory of 1344 912 csrsll.exe 37 PID 912 wrote to memory of 1344 912 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe"C:\Users\Admin\AppData\Local\Temp\b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Users\Admin\AppData\Local\Temp\b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe"C:\Users\Admin\AppData\Local\Temp\b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\YMNIG.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:840 -
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:2960
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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:912 -
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:888
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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:1344
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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
MD5e52a9d9dfc2829e6fa6fc95cedc7c932
SHA148e3fdeace89f7cd38ef79d5c8b950224f5d8692
SHA256c4b793f9a35907934d5cc96d2bced2a69a0adeb37e4e566978e647557e6cf773
SHA51298ff2fffdd4358104b63d13c18d68badc700d434661483e575ea9c326cf6415373e79aa3fbecbf9418056e28ec77e00a28796b2ea27146b2486a8b1cc8d93bb9