Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
02-01-2025 07:32
Behavioral task
behavioral1
Sample
4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe
Resource
win10v2004-20241007-en
General
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Target
4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe
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Size
90KB
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MD5
4e10a818a9097d1d6f24d08687829afb
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SHA1
4cd3260fb0849429343101558503e3d69fda3097
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SHA256
4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6
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SHA512
909a7d8fba8bcab5d2a6fd885444a3f2a2d09a506993142a9aa09370e01e1bbf1443d5cbcd96b5af82b7ba713b39262080614c111cae2f2b518aa5cf74b4baa6
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDm:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3k
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/308-268-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2028 csrsll.exe 668 csrsll.exe 308 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2736 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 2736 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 2736 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 2736 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 2736 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\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 772 set thread context of 2736 772 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 31 PID 2028 set thread context of 668 2028 csrsll.exe 36 PID 2028 set thread context of 308 2028 csrsll.exe 37 -
resource yara_rule behavioral1/memory/772-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/772-93-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2736-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2736-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2736-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/772-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2736-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2736-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2736-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/772-62-0x0000000000600000-0x0000000000700000-memory.dmp upx behavioral1/memory/772-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/772-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/772-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/772-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/772-30-0x0000000000600000-0x0000000000700000-memory.dmp upx behavioral1/memory/772-29-0x0000000000600000-0x0000000000700000-memory.dmp upx behavioral1/memory/772-77-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x000a0000000165c7-147.dat upx behavioral1/memory/2736-149-0x0000000002570000-0x00000000025C3000-memory.dmp upx behavioral1/memory/2736-157-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2028-228-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/308-256-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2028-258-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2736-264-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/668-265-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/308-268-0x0000000000400000-0x0000000000414000-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 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.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 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe Token: SeDebugPrivilege 668 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 772 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 2736 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 2028 csrsll.exe 668 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 772 wrote to memory of 2736 772 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 31 PID 772 wrote to memory of 2736 772 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 31 PID 772 wrote to memory of 2736 772 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 31 PID 772 wrote to memory of 2736 772 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 31 PID 772 wrote to memory of 2736 772 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 31 PID 772 wrote to memory of 2736 772 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 31 PID 772 wrote to memory of 2736 772 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 31 PID 772 wrote to memory of 2736 772 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 31 PID 2736 wrote to memory of 2004 2736 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 32 PID 2736 wrote to memory of 2004 2736 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 32 PID 2736 wrote to memory of 2004 2736 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 32 PID 2736 wrote to memory of 2004 2736 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 32 PID 2004 wrote to memory of 1604 2004 cmd.exe 34 PID 2004 wrote to memory of 1604 2004 cmd.exe 34 PID 2004 wrote to memory of 1604 2004 cmd.exe 34 PID 2004 wrote to memory of 1604 2004 cmd.exe 34 PID 2736 wrote to memory of 2028 2736 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 35 PID 2736 wrote to memory of 2028 2736 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 35 PID 2736 wrote to memory of 2028 2736 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 35 PID 2736 wrote to memory of 2028 2736 4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe 35 PID 2028 wrote to memory of 668 2028 csrsll.exe 36 PID 2028 wrote to memory of 668 2028 csrsll.exe 36 PID 2028 wrote to memory of 668 2028 csrsll.exe 36 PID 2028 wrote to memory of 668 2028 csrsll.exe 36 PID 2028 wrote to memory of 668 2028 csrsll.exe 36 PID 2028 wrote to memory of 668 2028 csrsll.exe 36 PID 2028 wrote to memory of 668 2028 csrsll.exe 36 PID 2028 wrote to memory of 668 2028 csrsll.exe 36 PID 2028 wrote to memory of 308 2028 csrsll.exe 37 PID 2028 wrote to memory of 308 2028 csrsll.exe 37 PID 2028 wrote to memory of 308 2028 csrsll.exe 37 PID 2028 wrote to memory of 308 2028 csrsll.exe 37 PID 2028 wrote to memory of 308 2028 csrsll.exe 37 PID 2028 wrote to memory of 308 2028 csrsll.exe 37 PID 2028 wrote to memory of 308 2028 csrsll.exe 37 PID 2028 wrote to memory of 308 2028 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe"C:\Users\Admin\AppData\Local\Temp\4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:772 -
C:\Users\Admin\AppData\Local\Temp\4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe"C:\Users\Admin\AppData\Local\Temp\4b182999dd3f63e4a850f3fc0ae93a9ecdd81072a08b51b05fd231dee86c94d6.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\JFESI.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2004 -
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:1604
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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:2028 -
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:668
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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:308
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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
MD5a1116830582a583793c36104b8e4eb29
SHA137b5c5db95edb1308db106d697532cdfce0a740d
SHA256dd9dbab7fccde1be0a1dda6a8d96356f7e3481f24ff377dee1cfac26bc7e2aa1
SHA5129c9e5a80a84c7b3fc379ab2ccbfa483efe5a5d749a170ed933d922f634f4de035b9b2fa92726b0626a186b0ff193e0ce42a65b7981f32eba263cc7493593c1d6