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
24/11/2024, 21:47
Behavioral task
behavioral1
Sample
dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe
Resource
win10v2004-20241007-en
General
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Target
dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe
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Size
90KB
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MD5
9762fb866c9e6f508b4d812150add229
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SHA1
8dc6025d4288907ca0f360847a00da18fd4546b6
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SHA256
dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c
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SHA512
5c9737d1d0bbc5cc063809a063396bf0570696f212eb41474161f4a27b7f885013353e5212a9a436de4429d5848d4a5d5c1a49214ae720f1385401ce9b5769e5
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDs:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3G
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/2460-266-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 324 csrsll.exe 2316 csrsll.exe 2460 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 1032 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 1032 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 1032 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 1032 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 1032 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe -
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 2828 set thread context of 1032 2828 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 30 PID 324 set thread context of 2316 324 csrsll.exe 35 PID 324 set thread context of 2460 324 csrsll.exe 36 -
resource yara_rule behavioral1/memory/2828-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2828-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2828-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2828-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1032-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2828-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1032-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1032-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2828-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2828-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2828-105-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1032-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1032-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1032-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1032-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1032-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0008000000012117-135.dat upx behavioral1/memory/1032-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2316-251-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/324-250-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2460-255-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/324-257-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1032-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2316-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2460-266-0x0000000000400000-0x0000000000414000-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 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.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 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe Token: SeDebugPrivilege 2316 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2828 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 1032 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 324 csrsll.exe 2316 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2828 wrote to memory of 1032 2828 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 30 PID 2828 wrote to memory of 1032 2828 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 30 PID 2828 wrote to memory of 1032 2828 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 30 PID 2828 wrote to memory of 1032 2828 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 30 PID 2828 wrote to memory of 1032 2828 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 30 PID 2828 wrote to memory of 1032 2828 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 30 PID 2828 wrote to memory of 1032 2828 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 30 PID 2828 wrote to memory of 1032 2828 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 30 PID 1032 wrote to memory of 2000 1032 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 31 PID 1032 wrote to memory of 2000 1032 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 31 PID 1032 wrote to memory of 2000 1032 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 31 PID 1032 wrote to memory of 2000 1032 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 31 PID 2000 wrote to memory of 2076 2000 cmd.exe 33 PID 2000 wrote to memory of 2076 2000 cmd.exe 33 PID 2000 wrote to memory of 2076 2000 cmd.exe 33 PID 2000 wrote to memory of 2076 2000 cmd.exe 33 PID 1032 wrote to memory of 324 1032 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 34 PID 1032 wrote to memory of 324 1032 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 34 PID 1032 wrote to memory of 324 1032 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 34 PID 1032 wrote to memory of 324 1032 dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe 34 PID 324 wrote to memory of 2316 324 csrsll.exe 35 PID 324 wrote to memory of 2316 324 csrsll.exe 35 PID 324 wrote to memory of 2316 324 csrsll.exe 35 PID 324 wrote to memory of 2316 324 csrsll.exe 35 PID 324 wrote to memory of 2316 324 csrsll.exe 35 PID 324 wrote to memory of 2316 324 csrsll.exe 35 PID 324 wrote to memory of 2316 324 csrsll.exe 35 PID 324 wrote to memory of 2316 324 csrsll.exe 35 PID 324 wrote to memory of 2460 324 csrsll.exe 36 PID 324 wrote to memory of 2460 324 csrsll.exe 36 PID 324 wrote to memory of 2460 324 csrsll.exe 36 PID 324 wrote to memory of 2460 324 csrsll.exe 36 PID 324 wrote to memory of 2460 324 csrsll.exe 36 PID 324 wrote to memory of 2460 324 csrsll.exe 36 PID 324 wrote to memory of 2460 324 csrsll.exe 36 PID 324 wrote to memory of 2460 324 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe"C:\Users\Admin\AppData\Local\Temp\dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2828 -
C:\Users\Admin\AppData\Local\Temp\dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe"C:\Users\Admin\AppData\Local\Temp\dcd5bb29477803d08528a5cec3f4297f49052178a941a9e69ee70ca6716d828c.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1032 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\NACWS.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2000 -
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:2076
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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:324 -
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:2316
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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:2460
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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
MD5c592279cf2b705605705fb0af66736f3
SHA10e976a67b52cec4ff85c675fcf0873ce58159f03
SHA25664b0282f28e3596565920717d0b566bd6a5f2bd6714b4b5abfc8c91694afa6a8
SHA512066a028709fb1062f9cf184c40d669d630acb541a3b1b17a9292dee23ebd51a9c3403a9d3ccdda23b738ceaefac9688c564077bea8e866e7a26b01f3f5ebe5dc