Analysis
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max time kernel
119s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
18-09-2024 01:06
Behavioral task
behavioral1
Sample
671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe
Resource
win10v2004-20240802-en
General
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Target
671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe
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Size
90KB
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MD5
9f5389662b6b8452a09fd8c67773cbe0
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SHA1
6ebf6abe1ad97f783e6366bddb6e1f0582f2fd69
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SHA256
671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbf
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SHA512
eb1d4dc782ce45e1a34f27562af157b2886f10e0970ec9edab14ed5240575ecefa5f6aaf9debcc19b170314a6f952c1b3d89b8aef27971c0cf7ac3bd5c43c1bd
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDp:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3T
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 Second Stage 1 IoCs
resource yara_rule behavioral1/memory/2872-263-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1916 csrsll.exe 1784 csrsll.exe 2872 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2164 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 2164 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 2164 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 2164 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 2164 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe -
resource yara_rule behavioral1/memory/2248-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2248-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2248-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2248-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2248-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2164-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2164-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2164-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2164-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2164-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2248-107-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2164-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2248-42-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x0005000000004ed7-134.dat upx behavioral1/memory/2164-136-0x0000000003340000-0x0000000003393000-memory.dmp upx behavioral1/memory/2164-149-0x0000000003340000-0x0000000003393000-memory.dmp upx behavioral1/memory/2164-155-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1916-215-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1784-253-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2872-254-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1916-257-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2164-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1784-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2872-263-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\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 2248 set thread context of 2164 2248 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 31 PID 1916 set thread context of 1784 1916 csrsll.exe 36 PID 1916 set thread context of 2872 1916 csrsll.exe 37 -
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 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 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe Token: SeDebugPrivilege 1784 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2248 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 2164 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 1916 csrsll.exe 1784 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2248 wrote to memory of 2164 2248 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 31 PID 2248 wrote to memory of 2164 2248 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 31 PID 2248 wrote to memory of 2164 2248 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 31 PID 2248 wrote to memory of 2164 2248 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 31 PID 2248 wrote to memory of 2164 2248 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 31 PID 2248 wrote to memory of 2164 2248 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 31 PID 2248 wrote to memory of 2164 2248 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 31 PID 2248 wrote to memory of 2164 2248 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 31 PID 2164 wrote to memory of 3032 2164 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 32 PID 2164 wrote to memory of 3032 2164 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 32 PID 2164 wrote to memory of 3032 2164 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 32 PID 2164 wrote to memory of 3032 2164 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 32 PID 3032 wrote to memory of 2480 3032 cmd.exe 34 PID 3032 wrote to memory of 2480 3032 cmd.exe 34 PID 3032 wrote to memory of 2480 3032 cmd.exe 34 PID 3032 wrote to memory of 2480 3032 cmd.exe 34 PID 2164 wrote to memory of 1916 2164 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 35 PID 2164 wrote to memory of 1916 2164 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 35 PID 2164 wrote to memory of 1916 2164 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 35 PID 2164 wrote to memory of 1916 2164 671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe 35 PID 1916 wrote to memory of 1784 1916 csrsll.exe 36 PID 1916 wrote to memory of 1784 1916 csrsll.exe 36 PID 1916 wrote to memory of 1784 1916 csrsll.exe 36 PID 1916 wrote to memory of 1784 1916 csrsll.exe 36 PID 1916 wrote to memory of 1784 1916 csrsll.exe 36 PID 1916 wrote to memory of 1784 1916 csrsll.exe 36 PID 1916 wrote to memory of 1784 1916 csrsll.exe 36 PID 1916 wrote to memory of 1784 1916 csrsll.exe 36 PID 1916 wrote to memory of 2872 1916 csrsll.exe 37 PID 1916 wrote to memory of 2872 1916 csrsll.exe 37 PID 1916 wrote to memory of 2872 1916 csrsll.exe 37 PID 1916 wrote to memory of 2872 1916 csrsll.exe 37 PID 1916 wrote to memory of 2872 1916 csrsll.exe 37 PID 1916 wrote to memory of 2872 1916 csrsll.exe 37 PID 1916 wrote to memory of 2872 1916 csrsll.exe 37 PID 1916 wrote to memory of 2872 1916 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe"C:\Users\Admin\AppData\Local\Temp\671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Users\Admin\AppData\Local\Temp\671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe"C:\Users\Admin\AppData\Local\Temp\671c8546ab74b8dde2ab3fe38b9a814c75bdec95e5a4075ad136a9e9b49b2bbfN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2164 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\MULAV.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032 -
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:2480
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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:1916 -
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:1784
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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:2872
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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
MD5a7388393dff6b79f1c50639614eaf9af
SHA138198bad7e17020e3639a39be060a8a45c2d4643
SHA25679afea71624c6c1146bb7a3e32eb4ed92151faee4870141cf80dc95e6e1bc835
SHA51253384196889dc52b3ac13078366fb84fe3f011fb48cd96dadf1a066e55fe7c1088eef7de79140fd579c24d826740e353b4dd49bdc72000eec89003eef8999a5e