Analysis
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max time kernel
119s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26-12-2024 07:47
Behavioral task
behavioral1
Sample
b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe
Resource
win10v2004-20241007-en
General
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Target
b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe
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Size
90KB
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MD5
5de31887c9f7bca056d4d09158e8e690
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SHA1
ca5aa48cbdddd776e3b2bd7aa5665b8ce47e26fb
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SHA256
b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0
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SHA512
6d134781d60889eae4001a7a4ee7583d6dd1503d6033ab6685de55753492c3a7a26df761e502b333f15d4b59b50e9349f94f25c79db74d6b9efa48007398d3a2
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDW:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3c
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 2 IoCs
resource yara_rule behavioral1/memory/1900-252-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1900-259-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2524 csrsll.exe 1748 csrsll.exe 1900 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2612 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 2612 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 2612 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 2612 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 2612 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\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 2400 set thread context of 2612 2400 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 31 PID 2524 set thread context of 1748 2524 csrsll.exe 36 PID 2524 set thread context of 1900 2524 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2400-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2612-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2612-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2612-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2400-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2400-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2612-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2612-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2612-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2400-88-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2400-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2400-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2400-78-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2400-34-0x00000000004F0000-0x00000000005F0000-memory.dmp upx behavioral1/memory/2400-32-0x00000000004F0000-0x00000000005F0000-memory.dmp upx behavioral1/files/0x000a000000015b6e-134.dat upx behavioral1/memory/2524-151-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2612-154-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2524-212-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2524-250-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2612-255-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1900-252-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1748-258-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1900-259-0x0000000000400000-0x0000000000414000-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 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe Token: SeDebugPrivilege 1748 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2400 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 2612 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 2524 csrsll.exe 1748 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2400 wrote to memory of 2612 2400 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 31 PID 2400 wrote to memory of 2612 2400 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 31 PID 2400 wrote to memory of 2612 2400 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 31 PID 2400 wrote to memory of 2612 2400 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 31 PID 2400 wrote to memory of 2612 2400 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 31 PID 2400 wrote to memory of 2612 2400 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 31 PID 2400 wrote to memory of 2612 2400 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 31 PID 2400 wrote to memory of 2612 2400 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 31 PID 2612 wrote to memory of 2852 2612 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 32 PID 2612 wrote to memory of 2852 2612 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 32 PID 2612 wrote to memory of 2852 2612 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 32 PID 2612 wrote to memory of 2852 2612 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 32 PID 2852 wrote to memory of 1428 2852 cmd.exe 34 PID 2852 wrote to memory of 1428 2852 cmd.exe 34 PID 2852 wrote to memory of 1428 2852 cmd.exe 34 PID 2852 wrote to memory of 1428 2852 cmd.exe 34 PID 2612 wrote to memory of 2524 2612 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 35 PID 2612 wrote to memory of 2524 2612 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 35 PID 2612 wrote to memory of 2524 2612 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 35 PID 2612 wrote to memory of 2524 2612 b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe 35 PID 2524 wrote to memory of 1748 2524 csrsll.exe 36 PID 2524 wrote to memory of 1748 2524 csrsll.exe 36 PID 2524 wrote to memory of 1748 2524 csrsll.exe 36 PID 2524 wrote to memory of 1748 2524 csrsll.exe 36 PID 2524 wrote to memory of 1748 2524 csrsll.exe 36 PID 2524 wrote to memory of 1748 2524 csrsll.exe 36 PID 2524 wrote to memory of 1748 2524 csrsll.exe 36 PID 2524 wrote to memory of 1748 2524 csrsll.exe 36 PID 2524 wrote to memory of 1900 2524 csrsll.exe 37 PID 2524 wrote to memory of 1900 2524 csrsll.exe 37 PID 2524 wrote to memory of 1900 2524 csrsll.exe 37 PID 2524 wrote to memory of 1900 2524 csrsll.exe 37 PID 2524 wrote to memory of 1900 2524 csrsll.exe 37 PID 2524 wrote to memory of 1900 2524 csrsll.exe 37 PID 2524 wrote to memory of 1900 2524 csrsll.exe 37 PID 2524 wrote to memory of 1900 2524 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe"C:\Users\Admin\AppData\Local\Temp\b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2400 -
C:\Users\Admin\AppData\Local\Temp\b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe"C:\Users\Admin\AppData\Local\Temp\b1a37e6162c0e6c435eda40ea39b422cd033c0ed8394fe3aee6f7283d4cb1ab0N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\MOJHK.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852 -
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:1428
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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:2524 -
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:1748
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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:1900
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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
MD54e1d3090ffd3cb20ceb952aea5285b79
SHA1d69e8f79fde3fa92fe99a905041ef5a7ca835642
SHA2562b525728f406a8b4883a9d4b13bf458b67d0a7ed066a15504ff7ce2086bcce32
SHA51268a93d9cab159dd948c513bf8c1575c0ae929880630240d4d32b2f55b5b729fd53491b5777d7e43fd622838705f8f8428428a243fc759fc2d20ade205bf4f7fe