Analysis
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max time kernel
119s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
02/12/2024, 06:24
Behavioral task
behavioral1
Sample
83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe
Resource
win10v2004-20241007-en
General
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Target
83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe
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Size
90KB
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MD5
21998c4259aa218ed4eb939243d40c80
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SHA1
a958a7d2fdde5ca49303d6350c270a2a63753464
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SHA256
83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07c
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SHA512
dfa66b2a28ed4960e2871d0299c7820c896dbfb48475f23caa9163e190d3318caa726177433f138b655cfefaf3b02dab7aa803f7c4874233c3d9ce733e0e5ce6
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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/1488-266-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2876 csrsll.exe 1368 csrsll.exe 1488 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2908 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 2908 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 2908 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 2908 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 2908 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.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 1236 set thread context of 2908 1236 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 31 PID 2876 set thread context of 1368 2876 csrsll.exe 36 PID 2876 set thread context of 1488 2876 csrsll.exe 37 -
resource yara_rule behavioral1/memory/1236-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1236-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1236-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1236-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2908-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1236-107-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1236-106-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1236-105-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2908-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2908-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2908-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2908-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2908-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1236-78-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2908-149-0x0000000003230000-0x0000000003283000-memory.dmp upx behavioral1/files/0x0009000000016332-147.dat upx behavioral1/memory/2908-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2876-179-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1488-254-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1368-253-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2876-256-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2908-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1368-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1488-266-0x0000000000400000-0x0000000000414000-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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1236 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 2908 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 2876 csrsll.exe 1368 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1236 wrote to memory of 2908 1236 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 31 PID 1236 wrote to memory of 2908 1236 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 31 PID 1236 wrote to memory of 2908 1236 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 31 PID 1236 wrote to memory of 2908 1236 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 31 PID 1236 wrote to memory of 2908 1236 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 31 PID 1236 wrote to memory of 2908 1236 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 31 PID 1236 wrote to memory of 2908 1236 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 31 PID 1236 wrote to memory of 2908 1236 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 31 PID 2908 wrote to memory of 804 2908 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 32 PID 2908 wrote to memory of 804 2908 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 32 PID 2908 wrote to memory of 804 2908 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 32 PID 2908 wrote to memory of 804 2908 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 32 PID 804 wrote to memory of 1672 804 cmd.exe 34 PID 804 wrote to memory of 1672 804 cmd.exe 34 PID 804 wrote to memory of 1672 804 cmd.exe 34 PID 804 wrote to memory of 1672 804 cmd.exe 34 PID 2908 wrote to memory of 2876 2908 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 35 PID 2908 wrote to memory of 2876 2908 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 35 PID 2908 wrote to memory of 2876 2908 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 35 PID 2908 wrote to memory of 2876 2908 83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe 35 PID 2876 wrote to memory of 1368 2876 csrsll.exe 36 PID 2876 wrote to memory of 1368 2876 csrsll.exe 36 PID 2876 wrote to memory of 1368 2876 csrsll.exe 36 PID 2876 wrote to memory of 1368 2876 csrsll.exe 36 PID 2876 wrote to memory of 1368 2876 csrsll.exe 36 PID 2876 wrote to memory of 1368 2876 csrsll.exe 36 PID 2876 wrote to memory of 1368 2876 csrsll.exe 36 PID 2876 wrote to memory of 1368 2876 csrsll.exe 36 PID 2876 wrote to memory of 1488 2876 csrsll.exe 37 PID 2876 wrote to memory of 1488 2876 csrsll.exe 37 PID 2876 wrote to memory of 1488 2876 csrsll.exe 37 PID 2876 wrote to memory of 1488 2876 csrsll.exe 37 PID 2876 wrote to memory of 1488 2876 csrsll.exe 37 PID 2876 wrote to memory of 1488 2876 csrsll.exe 37 PID 2876 wrote to memory of 1488 2876 csrsll.exe 37 PID 2876 wrote to memory of 1488 2876 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe"C:\Users\Admin\AppData\Local\Temp\83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Users\Admin\AppData\Local\Temp\83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe"C:\Users\Admin\AppData\Local\Temp\83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2908 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\EDQHU.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:804 -
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:1672
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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:1368
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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:1488
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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
MD5071be1efa70b1920b9616059b3287ec1
SHA175f5bb8297308f290bc42da4fdef50a03cc1e147
SHA256fe4906302455859c2bcc6e6ec86c6fe4338cb9d9e60dc686160e9b15b27f7876
SHA512d9b209e1e6f0caa57e4e4210bb645e02991221416144fe255ac36d5b5cff96077a4f45a14fb709b174f2edff06e4d8ac7814305b816a091ca821facc9dd13737