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
11-11-2024 21:03
Behavioral task
behavioral1
Sample
b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe
Resource
win7-20241010-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 1 IoCs
resource yara_rule behavioral1/memory/2388-270-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 3060 csrsll.exe 948 csrsll.exe 2388 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 568 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 568 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 568 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 568 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 568 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\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 3000 set thread context of 568 3000 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 29 PID 3060 set thread context of 948 3060 csrsll.exe 34 PID 3060 set thread context of 2388 3060 csrsll.exe 35 -
resource yara_rule behavioral1/memory/3000-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3000-4-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3000-28-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3000-96-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3000-87-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3000-86-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3000-85-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3000-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3000-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/568-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/568-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3000-112-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/568-113-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/568-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/568-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/568-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x00080000000120fc-140.dat upx behavioral1/memory/568-152-0x0000000002AF0000-0x0000000002B43000-memory.dmp upx behavioral1/memory/3060-156-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/568-159-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3060-164-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3060-222-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3060-258-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2388-255-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/568-266-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/948-267-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2388-270-0x0000000000400000-0x0000000000414000-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 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 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 -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe Token: SeDebugPrivilege 948 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3000 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 568 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 3060 csrsll.exe 948 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3000 wrote to memory of 568 3000 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 29 PID 3000 wrote to memory of 568 3000 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 29 PID 3000 wrote to memory of 568 3000 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 29 PID 3000 wrote to memory of 568 3000 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 29 PID 3000 wrote to memory of 568 3000 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 29 PID 3000 wrote to memory of 568 3000 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 29 PID 3000 wrote to memory of 568 3000 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 29 PID 3000 wrote to memory of 568 3000 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 29 PID 568 wrote to memory of 2128 568 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 30 PID 568 wrote to memory of 2128 568 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 30 PID 568 wrote to memory of 2128 568 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 30 PID 568 wrote to memory of 2128 568 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 30 PID 2128 wrote to memory of 1980 2128 cmd.exe 32 PID 2128 wrote to memory of 1980 2128 cmd.exe 32 PID 2128 wrote to memory of 1980 2128 cmd.exe 32 PID 2128 wrote to memory of 1980 2128 cmd.exe 32 PID 568 wrote to memory of 3060 568 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 33 PID 568 wrote to memory of 3060 568 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 33 PID 568 wrote to memory of 3060 568 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 33 PID 568 wrote to memory of 3060 568 b1c5c8d94d92e0d2896ff6e4e7ece644797e710531f705f3a2e08a0c52e8452c.exe 33 PID 3060 wrote to memory of 948 3060 csrsll.exe 34 PID 3060 wrote to memory of 948 3060 csrsll.exe 34 PID 3060 wrote to memory of 948 3060 csrsll.exe 34 PID 3060 wrote to memory of 948 3060 csrsll.exe 34 PID 3060 wrote to memory of 948 3060 csrsll.exe 34 PID 3060 wrote to memory of 948 3060 csrsll.exe 34 PID 3060 wrote to memory of 948 3060 csrsll.exe 34 PID 3060 wrote to memory of 948 3060 csrsll.exe 34 PID 3060 wrote to memory of 2388 3060 csrsll.exe 35 PID 3060 wrote to memory of 2388 3060 csrsll.exe 35 PID 3060 wrote to memory of 2388 3060 csrsll.exe 35 PID 3060 wrote to memory of 2388 3060 csrsll.exe 35 PID 3060 wrote to memory of 2388 3060 csrsll.exe 35 PID 3060 wrote to memory of 2388 3060 csrsll.exe 35 PID 3060 wrote to memory of 2388 3060 csrsll.exe 35 PID 3060 wrote to memory of 2388 3060 csrsll.exe 35
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:3000 -
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:568 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\BPOAJ.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128 -
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:1980
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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:3060 -
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:948
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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:2388
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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
MD53e33845f000a515efd1348412e610081
SHA15cd239f60b8c6645245ab1d77433ae5a3472b8ec
SHA256fc278d5989b973be4521e28dbef7677046c4dce7c4f47c1daab2ec05557b8818
SHA51293a2ce9406140d6736384b178d90d40e474b1c60a48e37e5ea9c766ecccae1d14e99f7307762406f2016395bc32176ca31fc3f6f88577398dc2d59533d4691e7