Analysis
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max time kernel
149s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
02/12/2024, 01:28
Behavioral task
behavioral1
Sample
b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe
Resource
win10v2004-20241007-en
General
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Target
b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe
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Size
90KB
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MD5
feb4416a00b1ed5f01d4f0bfa2d5d36e
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SHA1
2a29fb14982b6ccd5056b0844b6a4c8474385962
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SHA256
b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075
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SHA512
e24581c100697754919a99cec47dbba9ba73661e27eb137cd0cd5af552d19075aae971ab515473874d60147422846a72ae3572c746fc67dbdbb43a7d8b4fcd68
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDX:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3J
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/836-264-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1300 csrsll.exe 2080 csrsll.exe 836 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2440 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 2440 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 2440 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 2440 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 2440 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\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 2916 set thread context of 2440 2916 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 30 PID 1300 set thread context of 2080 1300 csrsll.exe 35 PID 1300 set thread context of 836 1300 csrsll.exe 36 -
resource yara_rule behavioral1/memory/2916-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2916-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2916-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2916-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2916-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2440-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2440-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2916-106-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2440-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2440-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2440-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2440-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2916-78-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x001800000001937b-134.dat upx behavioral1/memory/2440-136-0x00000000031F0000-0x0000000003243000-memory.dmp upx behavioral1/memory/2440-155-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/836-257-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2440-256-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1300-252-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1300-244-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2080-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/836-264-0x0000000000400000-0x0000000000414000-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 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 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe Token: SeDebugPrivilege 2080 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2916 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 2440 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 1300 csrsll.exe 2080 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2916 wrote to memory of 2440 2916 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 30 PID 2916 wrote to memory of 2440 2916 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 30 PID 2916 wrote to memory of 2440 2916 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 30 PID 2916 wrote to memory of 2440 2916 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 30 PID 2916 wrote to memory of 2440 2916 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 30 PID 2916 wrote to memory of 2440 2916 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 30 PID 2916 wrote to memory of 2440 2916 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 30 PID 2916 wrote to memory of 2440 2916 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 30 PID 2440 wrote to memory of 1460 2440 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 31 PID 2440 wrote to memory of 1460 2440 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 31 PID 2440 wrote to memory of 1460 2440 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 31 PID 2440 wrote to memory of 1460 2440 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 31 PID 1460 wrote to memory of 2860 1460 cmd.exe 33 PID 1460 wrote to memory of 2860 1460 cmd.exe 33 PID 1460 wrote to memory of 2860 1460 cmd.exe 33 PID 1460 wrote to memory of 2860 1460 cmd.exe 33 PID 2440 wrote to memory of 1300 2440 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 34 PID 2440 wrote to memory of 1300 2440 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 34 PID 2440 wrote to memory of 1300 2440 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 34 PID 2440 wrote to memory of 1300 2440 b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe 34 PID 1300 wrote to memory of 2080 1300 csrsll.exe 35 PID 1300 wrote to memory of 2080 1300 csrsll.exe 35 PID 1300 wrote to memory of 2080 1300 csrsll.exe 35 PID 1300 wrote to memory of 2080 1300 csrsll.exe 35 PID 1300 wrote to memory of 2080 1300 csrsll.exe 35 PID 1300 wrote to memory of 2080 1300 csrsll.exe 35 PID 1300 wrote to memory of 2080 1300 csrsll.exe 35 PID 1300 wrote to memory of 2080 1300 csrsll.exe 35 PID 1300 wrote to memory of 836 1300 csrsll.exe 36 PID 1300 wrote to memory of 836 1300 csrsll.exe 36 PID 1300 wrote to memory of 836 1300 csrsll.exe 36 PID 1300 wrote to memory of 836 1300 csrsll.exe 36 PID 1300 wrote to memory of 836 1300 csrsll.exe 36 PID 1300 wrote to memory of 836 1300 csrsll.exe 36 PID 1300 wrote to memory of 836 1300 csrsll.exe 36 PID 1300 wrote to memory of 836 1300 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe"C:\Users\Admin\AppData\Local\Temp\b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2916 -
C:\Users\Admin\AppData\Local\Temp\b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe"C:\Users\Admin\AppData\Local\Temp\b0519a56ee84b4018db368e79c2fafdd2e523539c4836c4fb3ea382c9aaa8075.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\EIDLW.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1460 -
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:2860
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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:1300 -
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:2080
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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:836
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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
MD5a298238801de979018e2508c095358ab
SHA1e8a986ee2df7d63f342e46311b459d5d3c9d6075
SHA2565d25c96ed1f7584f311ec960b3ed14f959b60521e56a35b3e92cb244bdd2b745
SHA512fe123fe1865f2c137f68af4ce9340c90677e2fbd156ad3de5b74f6ae0dc6909dad516a365c1313ba7011bc3ed41037119f564bc219c7b2856b61456e05fadc04