Analysis
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max time kernel
119s -
max time network
21s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
17-12-2024 18:39
Behavioral task
behavioral1
Sample
5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe
Resource
win10v2004-20241007-en
General
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Target
5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe
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Size
90KB
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MD5
8166264208dc9421a8f785e76c8e6210
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SHA1
57dd1693280269746458b9fd0c4d8090c2a894d3
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SHA256
5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43
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SHA512
4086a9f93341a17dfc0e359b566cf0b4747fc573cf5ff9805e5fbdebcfcf177049aec4cd512f265d4f2993a20da68cf6b4f92b59899f4e010c25e21eaad58b1e
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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 1 IoCs
resource yara_rule behavioral1/memory/936-270-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2032 csrsll.exe 820 csrsll.exe 936 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2680 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 2680 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 2680 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 2680 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 2680 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\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 1976 set thread context of 2680 1976 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 31 PID 2032 set thread context of 820 2032 csrsll.exe 36 PID 2032 set thread context of 936 2032 csrsll.exe 37 -
resource yara_rule behavioral1/memory/1976-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1976-33-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1976-95-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1976-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1976-85-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2680-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1976-113-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2680-111-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2680-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2680-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2680-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2680-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1976-84-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1976-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1976-80-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1976-68-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x000a000000016d21-138.dat upx behavioral1/memory/2032-158-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2680-152-0x00000000032A0000-0x00000000032F3000-memory.dmp upx behavioral1/memory/2680-161-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2032-220-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2680-218-0x00000000032A0000-0x00000000032F3000-memory.dmp upx behavioral1/memory/936-257-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2032-260-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2680-267-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/820-269-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/936-270-0x0000000000400000-0x0000000000414000-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 csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.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 -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe Token: SeDebugPrivilege 820 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1976 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 2680 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 2032 csrsll.exe 820 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1976 wrote to memory of 2680 1976 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 31 PID 1976 wrote to memory of 2680 1976 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 31 PID 1976 wrote to memory of 2680 1976 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 31 PID 1976 wrote to memory of 2680 1976 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 31 PID 1976 wrote to memory of 2680 1976 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 31 PID 1976 wrote to memory of 2680 1976 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 31 PID 1976 wrote to memory of 2680 1976 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 31 PID 1976 wrote to memory of 2680 1976 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 31 PID 2680 wrote to memory of 1412 2680 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 32 PID 2680 wrote to memory of 1412 2680 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 32 PID 2680 wrote to memory of 1412 2680 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 32 PID 2680 wrote to memory of 1412 2680 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 32 PID 1412 wrote to memory of 2128 1412 cmd.exe 34 PID 1412 wrote to memory of 2128 1412 cmd.exe 34 PID 1412 wrote to memory of 2128 1412 cmd.exe 34 PID 1412 wrote to memory of 2128 1412 cmd.exe 34 PID 2680 wrote to memory of 2032 2680 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 35 PID 2680 wrote to memory of 2032 2680 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 35 PID 2680 wrote to memory of 2032 2680 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 35 PID 2680 wrote to memory of 2032 2680 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe 35 PID 2032 wrote to memory of 820 2032 csrsll.exe 36 PID 2032 wrote to memory of 820 2032 csrsll.exe 36 PID 2032 wrote to memory of 820 2032 csrsll.exe 36 PID 2032 wrote to memory of 820 2032 csrsll.exe 36 PID 2032 wrote to memory of 820 2032 csrsll.exe 36 PID 2032 wrote to memory of 820 2032 csrsll.exe 36 PID 2032 wrote to memory of 820 2032 csrsll.exe 36 PID 2032 wrote to memory of 820 2032 csrsll.exe 36 PID 2032 wrote to memory of 936 2032 csrsll.exe 37 PID 2032 wrote to memory of 936 2032 csrsll.exe 37 PID 2032 wrote to memory of 936 2032 csrsll.exe 37 PID 2032 wrote to memory of 936 2032 csrsll.exe 37 PID 2032 wrote to memory of 936 2032 csrsll.exe 37 PID 2032 wrote to memory of 936 2032 csrsll.exe 37 PID 2032 wrote to memory of 936 2032 csrsll.exe 37 PID 2032 wrote to memory of 936 2032 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe"C:\Users\Admin\AppData\Local\Temp\5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Users\Admin\AppData\Local\Temp\5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe"C:\Users\Admin\AppData\Local\Temp\5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\OSXEF.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1412 -
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:2128
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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:2032 -
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:820
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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:936
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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
MD58eeeb926e72d47cf7146313807d7938e
SHA1eaadb15a53b270ddaad7ff072c8b118b732dafe8
SHA256226ee45f4b392a902834dbdb7374c1dc34994aaaaf9fe233161bcb0a248ef524
SHA512c06b3e741b7c3a09f01e0e590beebdee840935e9fcbe3e9aa6d4015a6826b8acb489eb317d36ca4a699305c65ad739e7c012d55f3956a047feaaa29a8e6dc8c5