Analysis
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max time kernel
118s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-11-2024 08:00
Behavioral task
behavioral1
Sample
b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
Resource
win10v2004-20241007-en
General
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Target
b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
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Size
90KB
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MD5
3ce148c87039e2357ac0cc0a113614a0
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SHA1
4dff5c6c7f04f2a62d21922071e431f092aa8525
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SHA256
b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69
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SHA512
e654cdbf8adc01a24453644ad8cb77c07cff5229d226b9ab2810605a151363c5ef4f0362ecfc5b1bbe92d56fda25a84cc37657777434593c6695129c15c5ac3e
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK: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 4 IoCs
Processes:
resource yara_rule behavioral2/memory/1932-53-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1932-56-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1932-55-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1932-62-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid Process 2344 csrsll.exe 3104 csrsll.exe 1932 csrsll.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.execsrsll.exedescription pid Process procid_target PID 2364 set thread context of 968 2364 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 86 PID 2344 set thread context of 3104 2344 csrsll.exe 95 PID 2344 set thread context of 1932 2344 csrsll.exe 96 -
Processes:
resource yara_rule behavioral2/memory/2364-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2364-5-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/968-8-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/968-12-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/968-10-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2364-14-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/files/0x000b000000023b8f-29.dat upx behavioral2/memory/2344-36-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/968-40-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2344-41-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2344-42-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1932-46-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1932-51-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1932-53-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2344-58-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1932-56-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1932-55-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/968-60-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3104-61-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1932-62-0x0000000000400000-0x0000000000414000-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.
Processes:
b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exeb62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.execmd.exereg.execsrsll.execsrsll.execsrsll.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.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 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe Token: SeDebugPrivilege 3104 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exeb62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.execsrsll.execsrsll.exepid Process 2364 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 968 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 2344 csrsll.exe 3104 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exeb62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.execmd.execsrsll.exedescription pid Process procid_target PID 2364 wrote to memory of 968 2364 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 86 PID 2364 wrote to memory of 968 2364 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 86 PID 2364 wrote to memory of 968 2364 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 86 PID 2364 wrote to memory of 968 2364 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 86 PID 2364 wrote to memory of 968 2364 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 86 PID 2364 wrote to memory of 968 2364 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 86 PID 2364 wrote to memory of 968 2364 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 86 PID 2364 wrote to memory of 968 2364 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 86 PID 968 wrote to memory of 3472 968 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 88 PID 968 wrote to memory of 3472 968 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 88 PID 968 wrote to memory of 3472 968 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 88 PID 3472 wrote to memory of 836 3472 cmd.exe 91 PID 3472 wrote to memory of 836 3472 cmd.exe 91 PID 3472 wrote to memory of 836 3472 cmd.exe 91 PID 968 wrote to memory of 2344 968 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 92 PID 968 wrote to memory of 2344 968 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 92 PID 968 wrote to memory of 2344 968 b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe 92 PID 2344 wrote to memory of 3104 2344 csrsll.exe 95 PID 2344 wrote to memory of 3104 2344 csrsll.exe 95 PID 2344 wrote to memory of 3104 2344 csrsll.exe 95 PID 2344 wrote to memory of 3104 2344 csrsll.exe 95 PID 2344 wrote to memory of 3104 2344 csrsll.exe 95 PID 2344 wrote to memory of 3104 2344 csrsll.exe 95 PID 2344 wrote to memory of 3104 2344 csrsll.exe 95 PID 2344 wrote to memory of 3104 2344 csrsll.exe 95 PID 2344 wrote to memory of 1932 2344 csrsll.exe 96 PID 2344 wrote to memory of 1932 2344 csrsll.exe 96 PID 2344 wrote to memory of 1932 2344 csrsll.exe 96 PID 2344 wrote to memory of 1932 2344 csrsll.exe 96 PID 2344 wrote to memory of 1932 2344 csrsll.exe 96 PID 2344 wrote to memory of 1932 2344 csrsll.exe 96 PID 2344 wrote to memory of 1932 2344 csrsll.exe 96 PID 2344 wrote to memory of 1932 2344 csrsll.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe"C:\Users\Admin\AppData\Local\Temp\b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Users\Admin\AppData\Local\Temp\b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe"C:\Users\Admin\AppData\Local\Temp\b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:968 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HYUWI.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3472 -
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:836
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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:2344 -
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:3104
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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:1932
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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
MD5381de4891fcde029d31415bac09734ca
SHA17732b031bbc6898bf171d4ae48950ec9c948a24f
SHA2560e99021b50d7df092816a0561ce1389be58199d9310805c94d4a4cc285371c2c
SHA5121b53d36731ee56c542ca82f48bffdd798f89c61f70acd7fd7cf227b09b25f425609d9d6c667d366ab671243bdaba170550aa7c21fa8080550ffd64be1aa6f39d