Analysis
-
max time kernel
120s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
20-12-2024 05:05
Behavioral task
behavioral1
Sample
61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe
Resource
win10v2004-20241007-en
General
-
Target
61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe
-
Size
90KB
-
MD5
97472703edfa4ccefcd6070fa55f46e0
-
SHA1
1bfad6e321a18c29c5e69260a69ad60b61551719
-
SHA256
61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035
-
SHA512
80fbd71eab2646bb175888ac02384a0cb68a235b2c86c31e68aa9640d2d3dc8c45e9fd98c663ef87989f55c8b89dc6132b19f8f8f1d3d66cfbde4782ac59cd76
-
SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
Malware Config
Signatures
-
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
-
Modiloader family
-
ModiLoader Second Stage 1 IoCs
resource yara_rule behavioral1/memory/1412-265-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2364 csrsll.exe 744 csrsll.exe 1412 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2792 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 2792 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 2792 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 2792 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 2792 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\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 2240 set thread context of 2792 2240 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 31 PID 2364 set thread context of 744 2364 csrsll.exe 36 PID 2364 set thread context of 1412 2364 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2240-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2240-4-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2240-93-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2240-86-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2240-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2792-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2792-111-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2792-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2792-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2240-106-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2792-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2792-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2240-80-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x0016000000005587-138.dat upx behavioral1/memory/2792-150-0x00000000026F0000-0x0000000002743000-memory.dmp upx behavioral1/memory/2364-153-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2792-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2364-161-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2364-210-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1412-253-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2364-256-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2792-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/744-264-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1412-265-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.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 63 IoCs
description pid Process Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe Token: SeDebugPrivilege 744 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2240 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 2792 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 2364 csrsll.exe 744 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2240 wrote to memory of 2792 2240 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 31 PID 2240 wrote to memory of 2792 2240 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 31 PID 2240 wrote to memory of 2792 2240 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 31 PID 2240 wrote to memory of 2792 2240 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 31 PID 2240 wrote to memory of 2792 2240 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 31 PID 2240 wrote to memory of 2792 2240 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 31 PID 2240 wrote to memory of 2792 2240 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 31 PID 2240 wrote to memory of 2792 2240 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 31 PID 2792 wrote to memory of 1460 2792 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 32 PID 2792 wrote to memory of 1460 2792 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 32 PID 2792 wrote to memory of 1460 2792 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 32 PID 2792 wrote to memory of 1460 2792 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 32 PID 1460 wrote to memory of 2744 1460 cmd.exe 34 PID 1460 wrote to memory of 2744 1460 cmd.exe 34 PID 1460 wrote to memory of 2744 1460 cmd.exe 34 PID 1460 wrote to memory of 2744 1460 cmd.exe 34 PID 2792 wrote to memory of 2364 2792 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 35 PID 2792 wrote to memory of 2364 2792 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 35 PID 2792 wrote to memory of 2364 2792 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 35 PID 2792 wrote to memory of 2364 2792 61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe 35 PID 2364 wrote to memory of 744 2364 csrsll.exe 36 PID 2364 wrote to memory of 744 2364 csrsll.exe 36 PID 2364 wrote to memory of 744 2364 csrsll.exe 36 PID 2364 wrote to memory of 744 2364 csrsll.exe 36 PID 2364 wrote to memory of 744 2364 csrsll.exe 36 PID 2364 wrote to memory of 744 2364 csrsll.exe 36 PID 2364 wrote to memory of 744 2364 csrsll.exe 36 PID 2364 wrote to memory of 744 2364 csrsll.exe 36 PID 2364 wrote to memory of 1412 2364 csrsll.exe 37 PID 2364 wrote to memory of 1412 2364 csrsll.exe 37 PID 2364 wrote to memory of 1412 2364 csrsll.exe 37 PID 2364 wrote to memory of 1412 2364 csrsll.exe 37 PID 2364 wrote to memory of 1412 2364 csrsll.exe 37 PID 2364 wrote to memory of 1412 2364 csrsll.exe 37 PID 2364 wrote to memory of 1412 2364 csrsll.exe 37 PID 2364 wrote to memory of 1412 2364 csrsll.exe 37
Processes
-
C:\Users\Admin\AppData\Local\Temp\61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe"C:\Users\Admin\AppData\Local\Temp\61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Users\Admin\AppData\Local\Temp\61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe"C:\Users\Admin\AppData\Local\Temp\61c06fcbc07d0c02d9bf6333cb1ea5553e0d8033f794c26ec5df5d487b9a0035N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\BYCVT.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1460 -
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:2744
-
-
-
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:2364 -
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:744
-
-
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:1412
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
145B
MD54eb61ec7816c34ec8c125acadc57ec1b
SHA1b0015cc865c0bb1a027be663027d3829401a31cc
SHA25608375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
SHA512f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
-
Filesize
90KB
MD5bb98daceb94a4bf4a6cc62b573310880
SHA12e4a3e98fe435b9c69129e4375fa45dcafddba36
SHA2563c906ddc9a03178aef2ba765e4a96c04c53182417726de0aed4d96423fd0196f
SHA51292e4eda9dffdad858450bb436f25dd8ba90466aaa98e41225230479d0d6f696e76ddcb71f9d7351909d6fe470287de578225f1d559b2cfae47343b7961ac33b0