Analysis
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max time kernel
119s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12-11-2024 09:21
Behavioral task
behavioral1
Sample
f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
Resource
win10v2004-20241007-en
General
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Target
f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
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Size
326KB
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MD5
ceaafdb7a6b5d6ba4fc8c510e35ff9f0
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SHA1
ad0d0fc5059f852d8ba86984560834ee36a560d9
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SHA256
f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232a
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SHA512
d30dfd63116d4a23af889d11cdcacdca25b35870fcff4f10284f43a0f2c4a3c7f41467f1fc51a65637dde06d5bc6f6fea808149ba1b1ba17e2f29c7769657597
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SSDEEP
3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8
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
Processes:
resource yara_rule behavioral1/memory/1896-254-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1896-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid Process 2288 csrsll.exe 1812 csrsll.exe 1896 csrsll.exe -
Loads dropped DLL 5 IoCs
Processes:
f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exepid Process 2548 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 2548 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 2548 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 2548 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 2548 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription 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
Processes:
f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.execsrsll.exedescription pid Process procid_target PID 1488 set thread context of 2548 1488 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 31 PID 2288 set thread context of 1812 2288 csrsll.exe 36 PID 2288 set thread context of 1896 2288 csrsll.exe 37 -
Processes:
resource yara_rule behavioral1/memory/1488-0-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1488-92-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1488-89-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1488-82-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1488-79-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1488-78-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2548-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2548-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2548-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2548-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1488-108-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2548-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2548-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0005000000004ed7-132.dat upx behavioral1/memory/2548-134-0x0000000003360000-0x00000000033B4000-memory.dmp upx behavioral1/memory/2548-148-0x0000000003360000-0x00000000033B4000-memory.dmp upx behavioral1/memory/2548-153-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2288-215-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1812-243-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2548-258-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2288-255-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1896-254-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2288-242-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1812-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1896-262-0x0000000000400000-0x0000000000414000-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.
Processes:
csrsll.execsrsll.execsrsll.exef78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exef78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.execmd.exereg.exedescription ioc Process 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 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
csrsll.exedescription pid Process Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exef78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.execsrsll.execsrsll.exepid Process 1488 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 2548 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 2288 csrsll.exe 1812 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exef78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.execmd.execsrsll.exedescription pid Process procid_target PID 1488 wrote to memory of 2548 1488 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 31 PID 1488 wrote to memory of 2548 1488 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 31 PID 1488 wrote to memory of 2548 1488 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 31 PID 1488 wrote to memory of 2548 1488 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 31 PID 1488 wrote to memory of 2548 1488 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 31 PID 1488 wrote to memory of 2548 1488 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 31 PID 1488 wrote to memory of 2548 1488 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 31 PID 1488 wrote to memory of 2548 1488 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 31 PID 2548 wrote to memory of 324 2548 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 32 PID 2548 wrote to memory of 324 2548 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 32 PID 2548 wrote to memory of 324 2548 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 32 PID 2548 wrote to memory of 324 2548 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 32 PID 324 wrote to memory of 2276 324 cmd.exe 34 PID 324 wrote to memory of 2276 324 cmd.exe 34 PID 324 wrote to memory of 2276 324 cmd.exe 34 PID 324 wrote to memory of 2276 324 cmd.exe 34 PID 2548 wrote to memory of 2288 2548 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 35 PID 2548 wrote to memory of 2288 2548 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 35 PID 2548 wrote to memory of 2288 2548 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 35 PID 2548 wrote to memory of 2288 2548 f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe 35 PID 2288 wrote to memory of 1812 2288 csrsll.exe 36 PID 2288 wrote to memory of 1812 2288 csrsll.exe 36 PID 2288 wrote to memory of 1812 2288 csrsll.exe 36 PID 2288 wrote to memory of 1812 2288 csrsll.exe 36 PID 2288 wrote to memory of 1812 2288 csrsll.exe 36 PID 2288 wrote to memory of 1812 2288 csrsll.exe 36 PID 2288 wrote to memory of 1812 2288 csrsll.exe 36 PID 2288 wrote to memory of 1812 2288 csrsll.exe 36 PID 2288 wrote to memory of 1896 2288 csrsll.exe 37 PID 2288 wrote to memory of 1896 2288 csrsll.exe 37 PID 2288 wrote to memory of 1896 2288 csrsll.exe 37 PID 2288 wrote to memory of 1896 2288 csrsll.exe 37 PID 2288 wrote to memory of 1896 2288 csrsll.exe 37 PID 2288 wrote to memory of 1896 2288 csrsll.exe 37 PID 2288 wrote to memory of 1896 2288 csrsll.exe 37 PID 2288 wrote to memory of 1896 2288 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe"C:\Users\Admin\AppData\Local\Temp\f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Users\Admin\AppData\Local\Temp\f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe"C:\Users\Admin\AppData\Local\Temp\f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\CHWXU.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:324 -
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:2276
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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:2288 -
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:1812
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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:1896
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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
326KB
MD5c9c1df1423fac8cd826aaa57a60a1636
SHA1e721950269a0d403f086299967d6da9552ba3b03
SHA256894179ab1dbdfc8b4211f82a4cf8a9ee8d322d42f98201a7b8dfc906c14bd0f2
SHA51214912dd1a99fb7a9af19a289ee4858f862e2e4e879248f2d4feb700a46f9254d2f220efcc9e1f177d70bc2ef5941c671881cac0342b14b568c40df0fa8fc51a4