Analysis
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max time kernel
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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 15:46
Behavioral task
behavioral1
Sample
d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe
Resource
win10v2004-20240802-en
General
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Target
d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe
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Size
326KB
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MD5
f8048686b6a00def26c347183e702f10
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SHA1
e23f25c67d0f112c9b2613a77b40586bd43c41d9
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SHA256
d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440
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SHA512
3066a7169945e3820ac350f934d4fb6c0d10fe8e45476a546bbfc9eede556538ec026767eeb3bbf3372a868e41c7ad98768f31de456340735c01ab1437dab1fb
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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 Second Stage 2 IoCs
resource yara_rule behavioral1/memory/1500-256-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1500-258-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2500 csrsll.exe 1984 csrsll.exe 1500 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2888 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 2888 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 2888 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 2888 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 2888 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe -
resource yara_rule behavioral1/memory/2380-0-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2888-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2380-81-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2380-90-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2380-80-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2380-71-0x0000000000520000-0x0000000000620000-memory.dmp upx behavioral1/memory/2380-61-0x0000000000520000-0x0000000000620000-memory.dmp upx behavioral1/memory/2888-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2888-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2380-101-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2888-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2888-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2888-93-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000a000000015c9f-131.dat upx behavioral1/memory/2888-148-0x00000000031C0000-0x0000000003214000-memory.dmp upx behavioral1/memory/2888-145-0x00000000031C0000-0x0000000003214000-memory.dmp upx behavioral1/memory/2888-153-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2500-214-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2888-211-0x00000000031C0000-0x0000000003214000-memory.dmp upx behavioral1/memory/2888-252-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2500-249-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1500-256-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1984-255-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1984-257-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1500-258-0x0000000000400000-0x0000000000414000-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 2380 set thread context of 2888 2380 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 31 PID 2500 set thread context of 1984 2500 csrsll.exe 36 PID 2500 set thread context of 1500 2500 csrsll.exe 37 -
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 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.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 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe Token: SeDebugPrivilege 1984 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2380 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 2888 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 2500 csrsll.exe 1984 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2380 wrote to memory of 2888 2380 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 31 PID 2380 wrote to memory of 2888 2380 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 31 PID 2380 wrote to memory of 2888 2380 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 31 PID 2380 wrote to memory of 2888 2380 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 31 PID 2380 wrote to memory of 2888 2380 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 31 PID 2380 wrote to memory of 2888 2380 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 31 PID 2380 wrote to memory of 2888 2380 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 31 PID 2380 wrote to memory of 2888 2380 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 31 PID 2888 wrote to memory of 1492 2888 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 32 PID 2888 wrote to memory of 1492 2888 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 32 PID 2888 wrote to memory of 1492 2888 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 32 PID 2888 wrote to memory of 1492 2888 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 32 PID 1492 wrote to memory of 1820 1492 cmd.exe 34 PID 1492 wrote to memory of 1820 1492 cmd.exe 34 PID 1492 wrote to memory of 1820 1492 cmd.exe 34 PID 1492 wrote to memory of 1820 1492 cmd.exe 34 PID 2888 wrote to memory of 2500 2888 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 35 PID 2888 wrote to memory of 2500 2888 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 35 PID 2888 wrote to memory of 2500 2888 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 35 PID 2888 wrote to memory of 2500 2888 d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe 35 PID 2500 wrote to memory of 1984 2500 csrsll.exe 36 PID 2500 wrote to memory of 1984 2500 csrsll.exe 36 PID 2500 wrote to memory of 1984 2500 csrsll.exe 36 PID 2500 wrote to memory of 1984 2500 csrsll.exe 36 PID 2500 wrote to memory of 1984 2500 csrsll.exe 36 PID 2500 wrote to memory of 1984 2500 csrsll.exe 36 PID 2500 wrote to memory of 1984 2500 csrsll.exe 36 PID 2500 wrote to memory of 1984 2500 csrsll.exe 36 PID 2500 wrote to memory of 1500 2500 csrsll.exe 37 PID 2500 wrote to memory of 1500 2500 csrsll.exe 37 PID 2500 wrote to memory of 1500 2500 csrsll.exe 37 PID 2500 wrote to memory of 1500 2500 csrsll.exe 37 PID 2500 wrote to memory of 1500 2500 csrsll.exe 37 PID 2500 wrote to memory of 1500 2500 csrsll.exe 37 PID 2500 wrote to memory of 1500 2500 csrsll.exe 37 PID 2500 wrote to memory of 1500 2500 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe"C:\Users\Admin\AppData\Local\Temp\d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe"C:\Users\Admin\AppData\Local\Temp\d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\BMRNB.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1492 -
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:1820
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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:2500 -
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:1984
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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:1500
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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
MD5e0b011b04e384e96beecb5f05c999ca2
SHA168c56195f42ec3cb68f26c84eca914083167d910
SHA2568c46c54077e4655e345f5d2ad34b32d42a824d343367747e0db1a171db62d689
SHA5123c071f027f4f2c72c212691497d4e161851f69f1a638d6adac3c7cededf870d2dff31c6a80acb0815ccbc588a018b5334c16d8bae21a6e46714be0dfa947d6ec