Analysis
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max time kernel
119s -
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
19-12-2024 01:01
Behavioral task
behavioral1
Sample
4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe
Resource
win10v2004-20241007-en
General
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Target
4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe
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Size
326KB
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MD5
6867f6f8353d78ae5efe3bdcbf9161c0
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SHA1
750054bc0818844b8307f5383ca7386f95eaf53c
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SHA256
4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7
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SHA512
1077ef1c2c8bba392179fb0da0a22c3393a90f1c345d33a0da6484ead623e0b82f46ccb634fd38446535e492cdbbe8816e2c383167219f5cb43d61a096e57434
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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 1 IoCs
resource yara_rule behavioral1/memory/2140-261-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2944 csrsll.exe 2816 csrsll.exe 2140 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2752 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 2752 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 2752 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 2752 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 2752 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\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 2896 set thread context of 2752 2896 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 28 PID 2944 set thread context of 2816 2944 csrsll.exe 35 PID 2944 set thread context of 2140 2944 csrsll.exe 36 -
resource yara_rule behavioral1/memory/2896-0-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2896-91-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2752-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2896-101-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2752-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2752-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2752-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2896-82-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2896-81-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2896-78-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2752-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2752-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2752-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000a000000015d36-132.dat upx behavioral1/memory/2752-134-0x0000000003160000-0x00000000031B4000-memory.dmp upx behavioral1/memory/2752-153-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2944-244-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2140-254-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2752-253-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2944-249-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2816-258-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2140-261-0x0000000000400000-0x0000000000414000-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 csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.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 -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe Token: SeDebugPrivilege 2816 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2896 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 2752 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 2944 csrsll.exe 2816 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2896 wrote to memory of 2752 2896 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 28 PID 2896 wrote to memory of 2752 2896 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 28 PID 2896 wrote to memory of 2752 2896 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 28 PID 2896 wrote to memory of 2752 2896 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 28 PID 2896 wrote to memory of 2752 2896 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 28 PID 2896 wrote to memory of 2752 2896 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 28 PID 2896 wrote to memory of 2752 2896 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 28 PID 2896 wrote to memory of 2752 2896 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 28 PID 2752 wrote to memory of 2524 2752 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 29 PID 2752 wrote to memory of 2524 2752 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 29 PID 2752 wrote to memory of 2524 2752 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 29 PID 2752 wrote to memory of 2524 2752 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 29 PID 2524 wrote to memory of 2544 2524 cmd.exe 31 PID 2524 wrote to memory of 2544 2524 cmd.exe 31 PID 2524 wrote to memory of 2544 2524 cmd.exe 31 PID 2524 wrote to memory of 2544 2524 cmd.exe 31 PID 2752 wrote to memory of 2944 2752 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 32 PID 2752 wrote to memory of 2944 2752 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 32 PID 2752 wrote to memory of 2944 2752 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 32 PID 2752 wrote to memory of 2944 2752 4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe 32 PID 2944 wrote to memory of 2816 2944 csrsll.exe 35 PID 2944 wrote to memory of 2816 2944 csrsll.exe 35 PID 2944 wrote to memory of 2816 2944 csrsll.exe 35 PID 2944 wrote to memory of 2816 2944 csrsll.exe 35 PID 2944 wrote to memory of 2816 2944 csrsll.exe 35 PID 2944 wrote to memory of 2816 2944 csrsll.exe 35 PID 2944 wrote to memory of 2816 2944 csrsll.exe 35 PID 2944 wrote to memory of 2816 2944 csrsll.exe 35 PID 2944 wrote to memory of 2140 2944 csrsll.exe 36 PID 2944 wrote to memory of 2140 2944 csrsll.exe 36 PID 2944 wrote to memory of 2140 2944 csrsll.exe 36 PID 2944 wrote to memory of 2140 2944 csrsll.exe 36 PID 2944 wrote to memory of 2140 2944 csrsll.exe 36 PID 2944 wrote to memory of 2140 2944 csrsll.exe 36 PID 2944 wrote to memory of 2140 2944 csrsll.exe 36 PID 2944 wrote to memory of 2140 2944 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe"C:\Users\Admin\AppData\Local\Temp\4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2896 -
C:\Users\Admin\AppData\Local\Temp\4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe"C:\Users\Admin\AppData\Local\Temp\4dd343e7b1f4306c3cee31f5279ec2d9c26cc1fd4fed29e1223b69074ed04ae7N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2752 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\CWBXL.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524 -
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:2544
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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:2944 -
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:2816
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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:2140
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
145B
MD54eb61ec7816c34ec8c125acadc57ec1b
SHA1b0015cc865c0bb1a027be663027d3829401a31cc
SHA25608375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
SHA512f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
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Filesize
326KB
MD5ac9bece098f67b1a8fde2b4f71cd9574
SHA142027ef1be2e1e766493251e651e44d340264228
SHA25630e1ca62a6d1d25a7ebe07706e61588321498332b1214e0eca0ef93e0bf3f83b
SHA512381311ec94c773535f57867055fe5220bce15f227072c1f30eaa2af4406e4c0fd225a1408a3b93982ff205798224a8eab9ad86740d51240f601caca47e4b552b