Analysis
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max time kernel
149s -
max time network
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platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17-09-2024 19:33
Behavioral task
behavioral1
Sample
8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe
Resource
win10v2004-20240802-en
General
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Target
8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe
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Size
90KB
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MD5
1c4034e8f8f8893eb29d874ae44b0210
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SHA1
35de71a836c2ceea41832c6c37e6d8621ee781b6
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SHA256
8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1
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SHA512
713045a730d52dd6b8acfa5eb267426109f66c6dc9790fa6b64744127b86e6ed9d568689fce6bf2b77f750e1aa1daa9457846f682135d8c1d664787ac7c4a7bd
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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 Second Stage 1 IoCs
resource yara_rule behavioral1/memory/2592-263-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2004 csrsll.exe 1088 csrsll.exe 2592 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2616 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 2616 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 2616 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 2616 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 2616 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe -
resource yara_rule behavioral1/memory/2088-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2088-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2088-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2616-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2616-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2088-107-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2616-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2616-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2616-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2616-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2616-93-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2088-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x0008000000012117-133.dat upx behavioral1/memory/2616-147-0x0000000003460000-0x00000000034B3000-memory.dmp upx behavioral1/memory/2004-151-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2616-149-0x0000000003460000-0x00000000034B3000-memory.dmp upx behavioral1/memory/2616-154-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2004-212-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2592-250-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2004-252-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2616-254-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2616-241-0x0000000003460000-0x00000000034B3000-memory.dmp upx behavioral1/memory/1088-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2592-263-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\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 2088 set thread context of 2616 2088 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 30 PID 2004 set thread context of 1088 2004 csrsll.exe 35 PID 2004 set thread context of 2592 2004 csrsll.exe 36 -
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 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe Token: SeDebugPrivilege 1088 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2088 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 2616 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 2004 csrsll.exe 1088 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2088 wrote to memory of 2616 2088 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 30 PID 2088 wrote to memory of 2616 2088 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 30 PID 2088 wrote to memory of 2616 2088 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 30 PID 2088 wrote to memory of 2616 2088 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 30 PID 2088 wrote to memory of 2616 2088 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 30 PID 2088 wrote to memory of 2616 2088 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 30 PID 2088 wrote to memory of 2616 2088 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 30 PID 2088 wrote to memory of 2616 2088 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 30 PID 2616 wrote to memory of 1724 2616 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 31 PID 2616 wrote to memory of 1724 2616 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 31 PID 2616 wrote to memory of 1724 2616 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 31 PID 2616 wrote to memory of 1724 2616 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 31 PID 1724 wrote to memory of 1880 1724 cmd.exe 33 PID 1724 wrote to memory of 1880 1724 cmd.exe 33 PID 1724 wrote to memory of 1880 1724 cmd.exe 33 PID 1724 wrote to memory of 1880 1724 cmd.exe 33 PID 2616 wrote to memory of 2004 2616 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 34 PID 2616 wrote to memory of 2004 2616 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 34 PID 2616 wrote to memory of 2004 2616 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 34 PID 2616 wrote to memory of 2004 2616 8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe 34 PID 2004 wrote to memory of 1088 2004 csrsll.exe 35 PID 2004 wrote to memory of 1088 2004 csrsll.exe 35 PID 2004 wrote to memory of 1088 2004 csrsll.exe 35 PID 2004 wrote to memory of 1088 2004 csrsll.exe 35 PID 2004 wrote to memory of 1088 2004 csrsll.exe 35 PID 2004 wrote to memory of 1088 2004 csrsll.exe 35 PID 2004 wrote to memory of 1088 2004 csrsll.exe 35 PID 2004 wrote to memory of 1088 2004 csrsll.exe 35 PID 2004 wrote to memory of 2592 2004 csrsll.exe 36 PID 2004 wrote to memory of 2592 2004 csrsll.exe 36 PID 2004 wrote to memory of 2592 2004 csrsll.exe 36 PID 2004 wrote to memory of 2592 2004 csrsll.exe 36 PID 2004 wrote to memory of 2592 2004 csrsll.exe 36 PID 2004 wrote to memory of 2592 2004 csrsll.exe 36 PID 2004 wrote to memory of 2592 2004 csrsll.exe 36 PID 2004 wrote to memory of 2592 2004 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe"C:\Users\Admin\AppData\Local\Temp\8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Users\Admin\AppData\Local\Temp\8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe"C:\Users\Admin\AppData\Local\Temp\8bcbc5e77b31dfb9bb90877758d7c1498febe5bbefe75ec30ee07c2a144c37f1N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\FTTHI.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1724 -
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:1880
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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:2004 -
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:1088
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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:2592
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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
MD517d4f6a94a977f36e7123376ec50ddfe
SHA1147da4fdbe677e2331ab9db63909794215728771
SHA25614919c3bdf737c52f9a15d94bbfc937a2c86aa33ad10678b6798c4eee4ebfb89
SHA512b2de035b974227a30d57f9577575f22b7386819d1119cec78953c91403698ae81231e383b6165860aafadae11b98076612eb821336ee7f13536d051ca9889cf5