Analysis
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max time kernel
149s -
max time network
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platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09/09/2024, 20:47
Behavioral task
behavioral1
Sample
3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe
Resource
win10v2004-20240802-en
General
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Target
3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe
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Size
90KB
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MD5
5d1f0f947ed210f1262cb86da63fea23
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SHA1
e09874793dcb1418966aa2f9b800b700097cb084
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SHA256
3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe
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SHA512
c2fdd1c3df0fc82e8495ee6f7db42753c881d4bdf84e6f70a70d5bec21f98b016032a9169fd1abe8624c67d90c4f4584f07dd1a1a3f787f82b262acb771f4ebf
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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 Second Stage 2 IoCs
resource yara_rule behavioral1/memory/2028-260-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/2028-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1996 csrsll.exe 892 csrsll.exe 2028 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2696 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 2696 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 2696 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 2696 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 2696 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe -
resource yara_rule behavioral1/memory/2972-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2972-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2696-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2972-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2696-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2696-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2972-85-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2972-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2972-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2972-78-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2696-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2696-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2696-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2696-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0009000000012102-133.dat upx behavioral1/memory/2696-135-0x0000000003310000-0x0000000003363000-memory.dmp upx behavioral1/memory/2696-155-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2696-156-0x0000000003310000-0x0000000003363000-memory.dmp upx behavioral1/memory/1996-217-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1996-253-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2028-260-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2696-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2028-262-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/892-263-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\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 2972 set thread context of 2696 2972 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 30 PID 1996 set thread context of 892 1996 csrsll.exe 36 PID 1996 set thread context of 2028 1996 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 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.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
description pid Process Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe Token: SeDebugPrivilege 892 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2972 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 2696 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 1996 csrsll.exe 892 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2972 wrote to memory of 2696 2972 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 30 PID 2972 wrote to memory of 2696 2972 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 30 PID 2972 wrote to memory of 2696 2972 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 30 PID 2972 wrote to memory of 2696 2972 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 30 PID 2972 wrote to memory of 2696 2972 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 30 PID 2972 wrote to memory of 2696 2972 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 30 PID 2972 wrote to memory of 2696 2972 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 30 PID 2972 wrote to memory of 2696 2972 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 30 PID 2696 wrote to memory of 2396 2696 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 31 PID 2696 wrote to memory of 2396 2696 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 31 PID 2696 wrote to memory of 2396 2696 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 31 PID 2696 wrote to memory of 2396 2696 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 31 PID 2396 wrote to memory of 1304 2396 cmd.exe 33 PID 2396 wrote to memory of 1304 2396 cmd.exe 33 PID 2396 wrote to memory of 1304 2396 cmd.exe 33 PID 2396 wrote to memory of 1304 2396 cmd.exe 33 PID 2696 wrote to memory of 1996 2696 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 34 PID 2696 wrote to memory of 1996 2696 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 34 PID 2696 wrote to memory of 1996 2696 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 34 PID 2696 wrote to memory of 1996 2696 3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe 34 PID 1996 wrote to memory of 892 1996 csrsll.exe 36 PID 1996 wrote to memory of 892 1996 csrsll.exe 36 PID 1996 wrote to memory of 892 1996 csrsll.exe 36 PID 1996 wrote to memory of 892 1996 csrsll.exe 36 PID 1996 wrote to memory of 892 1996 csrsll.exe 36 PID 1996 wrote to memory of 892 1996 csrsll.exe 36 PID 1996 wrote to memory of 892 1996 csrsll.exe 36 PID 1996 wrote to memory of 892 1996 csrsll.exe 36 PID 1996 wrote to memory of 2028 1996 csrsll.exe 37 PID 1996 wrote to memory of 2028 1996 csrsll.exe 37 PID 1996 wrote to memory of 2028 1996 csrsll.exe 37 PID 1996 wrote to memory of 2028 1996 csrsll.exe 37 PID 1996 wrote to memory of 2028 1996 csrsll.exe 37 PID 1996 wrote to memory of 2028 1996 csrsll.exe 37 PID 1996 wrote to memory of 2028 1996 csrsll.exe 37 PID 1996 wrote to memory of 2028 1996 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe"C:\Users\Admin\AppData\Local\Temp\3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Users\Admin\AppData\Local\Temp\3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe"C:\Users\Admin\AppData\Local\Temp\3f333fc424f23df2e0b9a243037a28f6ed7a23385827778c93da5f0c65cb22fe.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2696 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\AYLNI.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396 -
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:1304
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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:1996 -
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:892
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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:2028
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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
MD5667b281015b19c098bb32b11aa7b6cf0
SHA180b595d0b4b08b82200529b8f0b9f139424fbead
SHA256b6857e92b535e75877cc11a3e7e5a21a94937cde7d47bd6c864d470dc78de46e
SHA512852e1a2f9839edf483de33c5fb57f37d946a123761193dde1c19729ccf2bb866304d463bf42edb4206bd0231e9415b018cd8eea48ee2134a31ba25bec4603797