Analysis
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max time kernel
119s -
max time network
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platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
25-12-2024 20:23
Behavioral task
behavioral1
Sample
3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe
Resource
win10v2004-20241007-en
General
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Target
3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe
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Size
90KB
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MD5
84c7b1a41cf4bfa8007a776ce85c9ba0
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SHA1
ac8d7e44eb446d7ca2ae62ed1166a8b45d0affd0
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SHA256
3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80
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SHA512
c287ef1f863fa5b55afe45c85a74e91f1beb9f2ef7957d4fd57edbab3afc4888a8268ad081f38266ba93a074528a58f167dbc1b0c3312509aed8608236f1d0cf
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDW:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3U
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/1288-264-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2660 csrsll.exe 2100 csrsll.exe 1288 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 688 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 688 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 688 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 688 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 688 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\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 2256 set thread context of 688 2256 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 30 PID 2660 set thread context of 2100 2660 csrsll.exe 35 PID 2660 set thread context of 1288 2660 csrsll.exe 36 -
resource yara_rule behavioral1/memory/2256-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2256-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2256-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2256-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2256-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2256-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/688-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/688-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2256-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/688-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/688-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/688-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/688-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x00080000000120fc-135.dat upx behavioral1/memory/688-153-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2660-221-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/688-217-0x0000000003160000-0x00000000031B3000-memory.dmp upx behavioral1/memory/2100-239-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1288-252-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2660-254-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/688-258-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2100-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1288-264-0x0000000000400000-0x0000000000414000-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 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.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 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2256 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 688 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 2660 csrsll.exe 2100 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2256 wrote to memory of 688 2256 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 30 PID 2256 wrote to memory of 688 2256 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 30 PID 2256 wrote to memory of 688 2256 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 30 PID 2256 wrote to memory of 688 2256 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 30 PID 2256 wrote to memory of 688 2256 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 30 PID 2256 wrote to memory of 688 2256 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 30 PID 2256 wrote to memory of 688 2256 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 30 PID 2256 wrote to memory of 688 2256 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 30 PID 688 wrote to memory of 2332 688 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 31 PID 688 wrote to memory of 2332 688 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 31 PID 688 wrote to memory of 2332 688 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 31 PID 688 wrote to memory of 2332 688 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 31 PID 2332 wrote to memory of 2404 2332 cmd.exe 33 PID 2332 wrote to memory of 2404 2332 cmd.exe 33 PID 2332 wrote to memory of 2404 2332 cmd.exe 33 PID 2332 wrote to memory of 2404 2332 cmd.exe 33 PID 688 wrote to memory of 2660 688 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 34 PID 688 wrote to memory of 2660 688 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 34 PID 688 wrote to memory of 2660 688 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 34 PID 688 wrote to memory of 2660 688 3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe 34 PID 2660 wrote to memory of 2100 2660 csrsll.exe 35 PID 2660 wrote to memory of 2100 2660 csrsll.exe 35 PID 2660 wrote to memory of 2100 2660 csrsll.exe 35 PID 2660 wrote to memory of 2100 2660 csrsll.exe 35 PID 2660 wrote to memory of 2100 2660 csrsll.exe 35 PID 2660 wrote to memory of 2100 2660 csrsll.exe 35 PID 2660 wrote to memory of 2100 2660 csrsll.exe 35 PID 2660 wrote to memory of 2100 2660 csrsll.exe 35 PID 2660 wrote to memory of 1288 2660 csrsll.exe 36 PID 2660 wrote to memory of 1288 2660 csrsll.exe 36 PID 2660 wrote to memory of 1288 2660 csrsll.exe 36 PID 2660 wrote to memory of 1288 2660 csrsll.exe 36 PID 2660 wrote to memory of 1288 2660 csrsll.exe 36 PID 2660 wrote to memory of 1288 2660 csrsll.exe 36 PID 2660 wrote to memory of 1288 2660 csrsll.exe 36 PID 2660 wrote to memory of 1288 2660 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe"C:\Users\Admin\AppData\Local\Temp\3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Users\Admin\AppData\Local\Temp\3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe"C:\Users\Admin\AppData\Local\Temp\3e5a2f4e3dfa564a760bbf226dbd65912c32c106c014bb6c0e81578343ed8a80N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:688 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\CRSPY.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332 -
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:2404
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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:2660 -
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:2100
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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:1288
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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
MD5a06c4cb6f0252eeada454f7c3aa06290
SHA1bf690f5c1ace98c952e8772c1943d8b29a234167
SHA25689290a04fb24f3d5e8a8bf5142562236d668c3259626fd0acf606b37ce6be11c
SHA5123a17a154c1a8c656c99683856ae542360b65e84c3a00a757380f7cd2825b828b5b23b26f041b4ad88c78adde12eee3ef51a3948056770b424b4e0ae46f748d7c