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
18-12-2024 22:33
Behavioral task
behavioral1
Sample
6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe
Resource
win10v2004-20241007-en
General
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Target
6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe
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Size
90KB
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MD5
85e4975dc4a56450956aedc9f257bc3a
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SHA1
28eb3b3376dd88fb95a0c8271cc45ef7863845d5
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SHA256
6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b
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SHA512
3475970ba68ea40fe327ed5fdaee81375592f88a7c0dc27c58933e3d7a26a278385b4b463c1d26844c1985e8d1967cb6352a9fc80cca353e9afcc68b409d737c
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDv:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3d
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/1904-265-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1692 csrsll.exe 1796 csrsll.exe 1904 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2704 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 2704 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 2704 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 2704 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 2704 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\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 2888 set thread context of 2704 2888 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 31 PID 1692 set thread context of 1796 1692 csrsll.exe 36 PID 1692 set thread context of 1904 1692 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2888-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2888-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2888-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2704-93-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2704-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2704-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2704-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2704-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2704-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2888-106-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2704-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0005000000004ed7-132.dat upx behavioral1/memory/1692-152-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2704-134-0x0000000003450000-0x00000000034A3000-memory.dmp upx behavioral1/memory/2704-155-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2704-156-0x0000000003450000-0x00000000034A3000-memory.dmp upx behavioral1/memory/1692-220-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1904-251-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1692-253-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1692-250-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2704-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1796-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1904-265-0x0000000000400000-0x0000000000414000-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 csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 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 -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe Token: SeDebugPrivilege 1796 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2888 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 2704 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 1692 csrsll.exe 1796 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2888 wrote to memory of 2704 2888 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 31 PID 2888 wrote to memory of 2704 2888 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 31 PID 2888 wrote to memory of 2704 2888 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 31 PID 2888 wrote to memory of 2704 2888 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 31 PID 2888 wrote to memory of 2704 2888 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 31 PID 2888 wrote to memory of 2704 2888 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 31 PID 2888 wrote to memory of 2704 2888 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 31 PID 2888 wrote to memory of 2704 2888 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 31 PID 2704 wrote to memory of 1964 2704 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 32 PID 2704 wrote to memory of 1964 2704 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 32 PID 2704 wrote to memory of 1964 2704 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 32 PID 2704 wrote to memory of 1964 2704 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 32 PID 1964 wrote to memory of 772 1964 cmd.exe 34 PID 1964 wrote to memory of 772 1964 cmd.exe 34 PID 1964 wrote to memory of 772 1964 cmd.exe 34 PID 1964 wrote to memory of 772 1964 cmd.exe 34 PID 2704 wrote to memory of 1692 2704 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 35 PID 2704 wrote to memory of 1692 2704 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 35 PID 2704 wrote to memory of 1692 2704 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 35 PID 2704 wrote to memory of 1692 2704 6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe 35 PID 1692 wrote to memory of 1796 1692 csrsll.exe 36 PID 1692 wrote to memory of 1796 1692 csrsll.exe 36 PID 1692 wrote to memory of 1796 1692 csrsll.exe 36 PID 1692 wrote to memory of 1796 1692 csrsll.exe 36 PID 1692 wrote to memory of 1796 1692 csrsll.exe 36 PID 1692 wrote to memory of 1796 1692 csrsll.exe 36 PID 1692 wrote to memory of 1796 1692 csrsll.exe 36 PID 1692 wrote to memory of 1796 1692 csrsll.exe 36 PID 1692 wrote to memory of 1904 1692 csrsll.exe 37 PID 1692 wrote to memory of 1904 1692 csrsll.exe 37 PID 1692 wrote to memory of 1904 1692 csrsll.exe 37 PID 1692 wrote to memory of 1904 1692 csrsll.exe 37 PID 1692 wrote to memory of 1904 1692 csrsll.exe 37 PID 1692 wrote to memory of 1904 1692 csrsll.exe 37 PID 1692 wrote to memory of 1904 1692 csrsll.exe 37 PID 1692 wrote to memory of 1904 1692 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe"C:\Users\Admin\AppData\Local\Temp\6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Users\Admin\AppData\Local\Temp\6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe"C:\Users\Admin\AppData\Local\Temp\6c28306cd8f9c5c88b8c4ec9ffbc4b87597715fce46127ed15522765769f5c2b.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\NJIVC.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1964 -
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:772
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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:1692 -
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:1796
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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:1904
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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
MD57c72a60a9ee9a92dae290710e715d845
SHA191fd63b82bd26f01365565ad22a74f7d875af452
SHA2565974668b300a48b5b2a4264638f17f94727e908aad2bc861c0d6d06be7acd736
SHA5120ab94c1bb8c5c21f3a890a9429e5fb13622195d20edab78a5fdc18a3e99928309b5c73c1159ae2ea818b5bd3779910b1055a9022707885b77ee2e09f69997d34