Analysis
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max time kernel
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max time network
121s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
22-11-2024 22:25
Behavioral task
behavioral1
Sample
50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe
Resource
win10v2004-20241007-en
General
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Target
50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe
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Size
90KB
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MD5
6104adac9d4ead244d87d7898a5dc440
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SHA1
48928e475c6033b5d8b0015ba1de8458ab721be6
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SHA256
50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5
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SHA512
51bc9f77fc8bcc7b162bc2744ae654d0793f2a8446e8c3b2dc8f53aff52feeb12a4391b7a2931ce08c0112d1ce9ab033ff409fe4134c5405fd9f1f13b80301f5
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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
Processes:
resource yara_rule behavioral1/memory/848-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid Process 2876 csrsll.exe 1784 csrsll.exe 848 csrsll.exe -
Loads dropped DLL 5 IoCs
Processes:
50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exepid Process 2840 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 2840 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 2840 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 2840 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 2840 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.execsrsll.exedescription pid Process procid_target PID 1304 set thread context of 2840 1304 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 30 PID 2876 set thread context of 1784 2876 csrsll.exe 36 PID 2876 set thread context of 848 2876 csrsll.exe 37 -
Processes:
resource yara_rule behavioral1/memory/1304-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1304-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1304-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1304-87-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2840-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2840-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2840-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2840-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2840-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1304-101-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2840-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2840-93-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2840-135-0x0000000003270000-0x00000000032C3000-memory.dmp upx behavioral1/files/0x000a000000016307-133.dat upx behavioral1/memory/2840-153-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2876-211-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1784-238-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/848-250-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2876-254-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2876-249-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2840-258-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1784-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/848-262-0x0000000000400000-0x0000000000414000-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.
Processes:
csrsll.execsrsll.exe50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.execmd.exereg.execsrsll.exedescription 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 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.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
Processes:
csrsll.exedescription 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
Processes:
50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.execsrsll.execsrsll.exepid Process 1304 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 2840 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 2876 csrsll.exe 1784 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.execmd.execsrsll.exedescription pid Process procid_target PID 1304 wrote to memory of 2840 1304 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 30 PID 1304 wrote to memory of 2840 1304 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 30 PID 1304 wrote to memory of 2840 1304 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 30 PID 1304 wrote to memory of 2840 1304 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 30 PID 1304 wrote to memory of 2840 1304 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 30 PID 1304 wrote to memory of 2840 1304 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 30 PID 1304 wrote to memory of 2840 1304 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 30 PID 1304 wrote to memory of 2840 1304 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 30 PID 2840 wrote to memory of 3040 2840 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 32 PID 2840 wrote to memory of 3040 2840 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 32 PID 2840 wrote to memory of 3040 2840 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 32 PID 2840 wrote to memory of 3040 2840 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 32 PID 3040 wrote to memory of 2664 3040 cmd.exe 34 PID 3040 wrote to memory of 2664 3040 cmd.exe 34 PID 3040 wrote to memory of 2664 3040 cmd.exe 34 PID 3040 wrote to memory of 2664 3040 cmd.exe 34 PID 2840 wrote to memory of 2876 2840 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 35 PID 2840 wrote to memory of 2876 2840 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 35 PID 2840 wrote to memory of 2876 2840 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 35 PID 2840 wrote to memory of 2876 2840 50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe 35 PID 2876 wrote to memory of 1784 2876 csrsll.exe 36 PID 2876 wrote to memory of 1784 2876 csrsll.exe 36 PID 2876 wrote to memory of 1784 2876 csrsll.exe 36 PID 2876 wrote to memory of 1784 2876 csrsll.exe 36 PID 2876 wrote to memory of 1784 2876 csrsll.exe 36 PID 2876 wrote to memory of 1784 2876 csrsll.exe 36 PID 2876 wrote to memory of 1784 2876 csrsll.exe 36 PID 2876 wrote to memory of 1784 2876 csrsll.exe 36 PID 2876 wrote to memory of 848 2876 csrsll.exe 37 PID 2876 wrote to memory of 848 2876 csrsll.exe 37 PID 2876 wrote to memory of 848 2876 csrsll.exe 37 PID 2876 wrote to memory of 848 2876 csrsll.exe 37 PID 2876 wrote to memory of 848 2876 csrsll.exe 37 PID 2876 wrote to memory of 848 2876 csrsll.exe 37 PID 2876 wrote to memory of 848 2876 csrsll.exe 37 PID 2876 wrote to memory of 848 2876 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe"C:\Users\Admin\AppData\Local\Temp\50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Users\Admin\AppData\Local\Temp\50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe"C:\Users\Admin\AppData\Local\Temp\50a0bdbe5be99c4f4539384de870bbe4ddca93780643d79b230f25b9380ea4c5.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\YAWVM.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040 -
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:2664
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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:2876 -
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:848
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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
MD53e36c0f328289b85f9b811f1660a7ab9
SHA176524b230eb18bcaeaaf0ff35d156b7ea86dee4c
SHA25661d062620b5295d5e213f2ba93ab942e32224fe541ffbd771f9f1cbf800c6487
SHA5126351779845020adc207b531e6521617b2752f1aa6ce834de6aa3dabd8eb6e378931e39d158b32e2611263f109057db8a163cd68d321bc76254d6fe01fb798e14