Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 03:18
Behavioral task
behavioral1
Sample
88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe
Resource
win10v2004-20241007-en
General
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Target
88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe
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Size
90KB
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MD5
925de29eaf04f529cce94cb07a35aec0
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SHA1
0f1af828b62936700acba2348a52f8b1da68b1b1
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SHA256
88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4
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SHA512
25c661d4a5defacfe581a389fee2460031fc22f0692d8825496afeb19018cc7433bafffa5b97ab44dbad068de3366901c971643f43f119478675a32b3989ba82
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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/1640-266-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2008 csrsll.exe 896 csrsll.exe 1640 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2696 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 2696 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 2696 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 2696 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 2696 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.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 2380 set thread context of 2696 2380 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 31 PID 2008 set thread context of 896 2008 csrsll.exe 36 PID 2008 set thread context of 1640 2008 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2380-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2380-31-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2380-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2380-87-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2380-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2696-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2696-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2380-107-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2696-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2696-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2380-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2696-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2696-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2696-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000a000000016650-135.dat upx behavioral1/memory/2696-149-0x00000000033C0000-0x0000000003413000-memory.dmp upx behavioral1/memory/2696-157-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2008-226-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2008-250-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2696-255-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1640-252-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/896-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1640-266-0x0000000000400000-0x0000000000414000-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 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.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 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe Token: SeDebugPrivilege 896 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2380 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 2696 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 2008 csrsll.exe 896 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2380 wrote to memory of 2696 2380 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 31 PID 2380 wrote to memory of 2696 2380 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 31 PID 2380 wrote to memory of 2696 2380 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 31 PID 2380 wrote to memory of 2696 2380 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 31 PID 2380 wrote to memory of 2696 2380 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 31 PID 2380 wrote to memory of 2696 2380 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 31 PID 2380 wrote to memory of 2696 2380 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 31 PID 2380 wrote to memory of 2696 2380 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 31 PID 2696 wrote to memory of 1952 2696 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 32 PID 2696 wrote to memory of 1952 2696 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 32 PID 2696 wrote to memory of 1952 2696 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 32 PID 2696 wrote to memory of 1952 2696 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 32 PID 1952 wrote to memory of 2464 1952 cmd.exe 34 PID 1952 wrote to memory of 2464 1952 cmd.exe 34 PID 1952 wrote to memory of 2464 1952 cmd.exe 34 PID 1952 wrote to memory of 2464 1952 cmd.exe 34 PID 2696 wrote to memory of 2008 2696 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 35 PID 2696 wrote to memory of 2008 2696 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 35 PID 2696 wrote to memory of 2008 2696 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 35 PID 2696 wrote to memory of 2008 2696 88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe 35 PID 2008 wrote to memory of 896 2008 csrsll.exe 36 PID 2008 wrote to memory of 896 2008 csrsll.exe 36 PID 2008 wrote to memory of 896 2008 csrsll.exe 36 PID 2008 wrote to memory of 896 2008 csrsll.exe 36 PID 2008 wrote to memory of 896 2008 csrsll.exe 36 PID 2008 wrote to memory of 896 2008 csrsll.exe 36 PID 2008 wrote to memory of 896 2008 csrsll.exe 36 PID 2008 wrote to memory of 896 2008 csrsll.exe 36 PID 2008 wrote to memory of 1640 2008 csrsll.exe 37 PID 2008 wrote to memory of 1640 2008 csrsll.exe 37 PID 2008 wrote to memory of 1640 2008 csrsll.exe 37 PID 2008 wrote to memory of 1640 2008 csrsll.exe 37 PID 2008 wrote to memory of 1640 2008 csrsll.exe 37 PID 2008 wrote to memory of 1640 2008 csrsll.exe 37 PID 2008 wrote to memory of 1640 2008 csrsll.exe 37 PID 2008 wrote to memory of 1640 2008 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe"C:\Users\Admin\AppData\Local\Temp\88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.exe"C:\Users\Admin\AppData\Local\Temp\88438b950c44e0d97fcb3abc65ea9e83be92bd04d6bc1981a3b5e07a8a608fb4N.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\VYJNT.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1952 -
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:2464
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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:2008 -
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:896
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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:1640
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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
MD5d87a2cd0eeac0edb0883a5f22402da05
SHA12934bcb65ca8b505e78710906acefca97f44c524
SHA25617fa5a6a1d2ef98f55cec2f543c516c027a7264655ebac568ccac8bd49fe9723
SHA512f6eceef8a68ffe4af805e205f82402b34e15ed4b97768d431485b23a1707ae8648baa8afbe564170e0775d1dce91b78622b944a7c61f1534f00e0ba227031f90