Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-11-2024 12:28
Behavioral task
behavioral1
Sample
4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe
Resource
win10v2004-20241007-en
General
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Target
4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe
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Size
90KB
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MD5
20b8ae80b152181549132a0e23f6a580
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SHA1
8365958bd7f9d942ef6e6242c720e3f08eb85982
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SHA256
4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aa
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SHA512
f869dacdc27f0a811aa18324aedf3b13f94a40dd0331350689028b1a914e7af6dee58b3e59ddb683760ff329b0c0245470c686cc301316223087db58cb14f9f3
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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/4972-56-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4972-59-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4972-54-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4972-64-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid Process 3624 csrsll.exe 3264 csrsll.exe 4972 csrsll.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.execsrsll.exedescription pid Process procid_target PID 2892 set thread context of 1044 2892 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 93 PID 3624 set thread context of 3264 3624 csrsll.exe 103 PID 3624 set thread context of 4972 3624 csrsll.exe 104 -
Processes:
resource yara_rule behavioral2/memory/2892-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2892-4-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1044-7-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1044-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1044-11-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2892-14-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/files/0x000f000000023b3e-29.dat upx behavioral2/memory/3624-36-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1044-40-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3624-42-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3624-43-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4972-47-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4972-52-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4972-56-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4972-59-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3624-58-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4972-54-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1044-62-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3264-63-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4972-64-0x0000000000400000-0x0000000000414000-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:
csrsll.exe4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.execmd.exereg.execsrsll.execsrsll.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.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 -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
csrsll.exedescription pid Process Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe Token: SeDebugPrivilege 3264 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.execsrsll.execsrsll.exepid Process 2892 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 1044 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 3624 csrsll.exe 3264 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.execmd.execsrsll.exedescription pid Process procid_target PID 2892 wrote to memory of 1044 2892 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 93 PID 2892 wrote to memory of 1044 2892 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 93 PID 2892 wrote to memory of 1044 2892 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 93 PID 2892 wrote to memory of 1044 2892 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 93 PID 2892 wrote to memory of 1044 2892 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 93 PID 2892 wrote to memory of 1044 2892 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 93 PID 2892 wrote to memory of 1044 2892 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 93 PID 2892 wrote to memory of 1044 2892 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 93 PID 1044 wrote to memory of 4832 1044 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 98 PID 1044 wrote to memory of 4832 1044 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 98 PID 1044 wrote to memory of 4832 1044 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 98 PID 4832 wrote to memory of 4724 4832 cmd.exe 101 PID 4832 wrote to memory of 4724 4832 cmd.exe 101 PID 4832 wrote to memory of 4724 4832 cmd.exe 101 PID 1044 wrote to memory of 3624 1044 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 102 PID 1044 wrote to memory of 3624 1044 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 102 PID 1044 wrote to memory of 3624 1044 4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe 102 PID 3624 wrote to memory of 3264 3624 csrsll.exe 103 PID 3624 wrote to memory of 3264 3624 csrsll.exe 103 PID 3624 wrote to memory of 3264 3624 csrsll.exe 103 PID 3624 wrote to memory of 3264 3624 csrsll.exe 103 PID 3624 wrote to memory of 3264 3624 csrsll.exe 103 PID 3624 wrote to memory of 3264 3624 csrsll.exe 103 PID 3624 wrote to memory of 3264 3624 csrsll.exe 103 PID 3624 wrote to memory of 3264 3624 csrsll.exe 103 PID 3624 wrote to memory of 4972 3624 csrsll.exe 104 PID 3624 wrote to memory of 4972 3624 csrsll.exe 104 PID 3624 wrote to memory of 4972 3624 csrsll.exe 104 PID 3624 wrote to memory of 4972 3624 csrsll.exe 104 PID 3624 wrote to memory of 4972 3624 csrsll.exe 104 PID 3624 wrote to memory of 4972 3624 csrsll.exe 104 PID 3624 wrote to memory of 4972 3624 csrsll.exe 104 PID 3624 wrote to memory of 4972 3624 csrsll.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe"C:\Users\Admin\AppData\Local\Temp\4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2892 -
C:\Users\Admin\AppData\Local\Temp\4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe"C:\Users\Admin\AppData\Local\Temp\4379b3f395e512a526776d232fdfd4316637072a06bd425376cfb19acfa4f2aaN.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1044 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UMIDT.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4832 -
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:4724
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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:3624 -
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:3264
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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:4972
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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
MD5bc80abf5908be9350012583cb0cabc86
SHA12c842dcfde46df210b5a67ec5f35e5e92c7383db
SHA2562c5528c741f3aaa119d1ab7d116641cf870d8e32d3862da610b7da83dd7c60ce
SHA512d8092660235371a4c8a1dde40657465148ad3da60717ae63fb00eab97bb1e4ee1ba475fc4d1aaa52b1d367db213533dea93c4674b1998eeb4e58f7850dea607e