Analysis
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max time kernel
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max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-12-2024 18:42
Behavioral task
behavioral1
Sample
cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe
Resource
win10v2004-20241007-en
General
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Target
cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe
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Size
90KB
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MD5
e0d3940e765be8eff5057203e0b0d760
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SHA1
5b95784a08caa965014bcec8069518e87dbb29af
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SHA256
cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44
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SHA512
50001459a1d2b50a7fdcbd17e80ffb862374b6909cd3bc97a4349efcb182370e0386a49a314cc57b542496404c7fc907f811bea5e46c68a97322bd45442ae024
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDM:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3W
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/536-263-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2312 csrsll.exe 1820 csrsll.exe 536 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 1824 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 1824 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 1824 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 1824 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 1824 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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 1564 set thread context of 1824 1564 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 29 PID 2312 set thread context of 1820 2312 csrsll.exe 34 PID 2312 set thread context of 536 2312 csrsll.exe 35 -
resource yara_rule behavioral1/memory/1564-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1564-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1564-87-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1824-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1824-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1824-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1564-100-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1824-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1824-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1824-92-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0006000000010300-143.dat upx behavioral1/memory/1824-132-0x0000000003200000-0x0000000003253000-memory.dmp upx behavioral1/memory/1824-152-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2312-216-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/536-249-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2312-248-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2312-255-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1824-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1820-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/536-263-0x0000000000400000-0x0000000000414000-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 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe Token: SeDebugPrivilege 1820 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1564 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 1824 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 2312 csrsll.exe 1820 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1564 wrote to memory of 1824 1564 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 29 PID 1564 wrote to memory of 1824 1564 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 29 PID 1564 wrote to memory of 1824 1564 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 29 PID 1564 wrote to memory of 1824 1564 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 29 PID 1564 wrote to memory of 1824 1564 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 29 PID 1564 wrote to memory of 1824 1564 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 29 PID 1564 wrote to memory of 1824 1564 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 29 PID 1564 wrote to memory of 1824 1564 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 29 PID 1824 wrote to memory of 1268 1824 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 30 PID 1824 wrote to memory of 1268 1824 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 30 PID 1824 wrote to memory of 1268 1824 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 30 PID 1824 wrote to memory of 1268 1824 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 30 PID 1268 wrote to memory of 1616 1268 cmd.exe 32 PID 1268 wrote to memory of 1616 1268 cmd.exe 32 PID 1268 wrote to memory of 1616 1268 cmd.exe 32 PID 1268 wrote to memory of 1616 1268 cmd.exe 32 PID 1824 wrote to memory of 2312 1824 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 33 PID 1824 wrote to memory of 2312 1824 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 33 PID 1824 wrote to memory of 2312 1824 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 33 PID 1824 wrote to memory of 2312 1824 cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe 33 PID 2312 wrote to memory of 1820 2312 csrsll.exe 34 PID 2312 wrote to memory of 1820 2312 csrsll.exe 34 PID 2312 wrote to memory of 1820 2312 csrsll.exe 34 PID 2312 wrote to memory of 1820 2312 csrsll.exe 34 PID 2312 wrote to memory of 1820 2312 csrsll.exe 34 PID 2312 wrote to memory of 1820 2312 csrsll.exe 34 PID 2312 wrote to memory of 1820 2312 csrsll.exe 34 PID 2312 wrote to memory of 1820 2312 csrsll.exe 34 PID 2312 wrote to memory of 536 2312 csrsll.exe 35 PID 2312 wrote to memory of 536 2312 csrsll.exe 35 PID 2312 wrote to memory of 536 2312 csrsll.exe 35 PID 2312 wrote to memory of 536 2312 csrsll.exe 35 PID 2312 wrote to memory of 536 2312 csrsll.exe 35 PID 2312 wrote to memory of 536 2312 csrsll.exe 35 PID 2312 wrote to memory of 536 2312 csrsll.exe 35 PID 2312 wrote to memory of 536 2312 csrsll.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe"C:\Users\Admin\AppData\Local\Temp\cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1564 -
C:\Users\Admin\AppData\Local\Temp\cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe"C:\Users\Admin\AppData\Local\Temp\cdbf62b5022caa1e0fd6b68feea80a08ccd6a0e6316f8c749fb928c8b8b08e44N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1824 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\SVUWI.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1268 -
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:1616
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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:2312 -
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:1820
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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:536
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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
MD58b5213b2b178a0b77531a2486f5b6841
SHA14470862cd0b5f02b7edfbc383b2bb20de65270f4
SHA2569dc5982eef537972419be450b8a3d60a009428c95452f9ae733d7d5a2fb66b5d
SHA512afe65f64129c55b2666cb1e9657b9f03e8cd2d6d2b49cf39e7dc15c3d8af42b694c92dea32bb62705d9abdab2e52e88c36f9ee88c1f967c3c6bf1b530ddc5969