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
19-12-2024 21:27
Behavioral task
behavioral1
Sample
23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe
Resource
win10v2004-20241007-en
General
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Target
23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe
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Size
90KB
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MD5
1a5bcaac1e20845893dc8e46cec0d157
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SHA1
dd539f6f769898b072d3bf3f63b144e26f582a5a
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SHA256
23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1
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SHA512
15bbc1b37342f704bc2476444cdaa7662dd9fa6b69289d95433709308a4fbda4c5792744ab555b70cf9f6b7ae46ce7b54f72705f251234c70dd853eeddc974b1
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD5:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3b
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
resource yara_rule behavioral1/memory/1640-257-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1640-264-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1544 csrsll.exe 2696 csrsll.exe 1640 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2640 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 2640 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 2640 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 2640 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 2640 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe -
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 2504 set thread context of 2640 2504 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 30 PID 1544 set thread context of 2696 1544 csrsll.exe 36 PID 1544 set thread context of 1640 1544 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2504-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2504-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2504-86-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2504-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2504-102-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2640-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2640-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2640-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2640-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2640-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2640-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2504-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2640-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000b00000001227e-134.dat upx behavioral1/memory/2640-146-0x0000000003290000-0x00000000032E3000-memory.dmp upx behavioral1/memory/2640-155-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1544-219-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1544-255-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1640-257-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2640-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2696-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1640-264-0x0000000000400000-0x0000000000414000-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 csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.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 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe Token: SeDebugPrivilege 2696 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2504 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 2640 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 1544 csrsll.exe 2696 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2504 wrote to memory of 2640 2504 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 30 PID 2504 wrote to memory of 2640 2504 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 30 PID 2504 wrote to memory of 2640 2504 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 30 PID 2504 wrote to memory of 2640 2504 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 30 PID 2504 wrote to memory of 2640 2504 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 30 PID 2504 wrote to memory of 2640 2504 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 30 PID 2504 wrote to memory of 2640 2504 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 30 PID 2504 wrote to memory of 2640 2504 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 30 PID 2640 wrote to memory of 1184 2640 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 31 PID 2640 wrote to memory of 1184 2640 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 31 PID 2640 wrote to memory of 1184 2640 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 31 PID 2640 wrote to memory of 1184 2640 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 31 PID 1184 wrote to memory of 352 1184 cmd.exe 33 PID 1184 wrote to memory of 352 1184 cmd.exe 33 PID 1184 wrote to memory of 352 1184 cmd.exe 33 PID 1184 wrote to memory of 352 1184 cmd.exe 33 PID 2640 wrote to memory of 1544 2640 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 34 PID 2640 wrote to memory of 1544 2640 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 34 PID 2640 wrote to memory of 1544 2640 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 34 PID 2640 wrote to memory of 1544 2640 23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe 34 PID 1544 wrote to memory of 2696 1544 csrsll.exe 36 PID 1544 wrote to memory of 2696 1544 csrsll.exe 36 PID 1544 wrote to memory of 2696 1544 csrsll.exe 36 PID 1544 wrote to memory of 2696 1544 csrsll.exe 36 PID 1544 wrote to memory of 2696 1544 csrsll.exe 36 PID 1544 wrote to memory of 2696 1544 csrsll.exe 36 PID 1544 wrote to memory of 2696 1544 csrsll.exe 36 PID 1544 wrote to memory of 2696 1544 csrsll.exe 36 PID 1544 wrote to memory of 1640 1544 csrsll.exe 37 PID 1544 wrote to memory of 1640 1544 csrsll.exe 37 PID 1544 wrote to memory of 1640 1544 csrsll.exe 37 PID 1544 wrote to memory of 1640 1544 csrsll.exe 37 PID 1544 wrote to memory of 1640 1544 csrsll.exe 37 PID 1544 wrote to memory of 1640 1544 csrsll.exe 37 PID 1544 wrote to memory of 1640 1544 csrsll.exe 37 PID 1544 wrote to memory of 1640 1544 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe"C:\Users\Admin\AppData\Local\Temp\23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Users\Admin\AppData\Local\Temp\23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe"C:\Users\Admin\AppData\Local\Temp\23a68286ae95019a9523cbeebdce45cbd9a3727c06edda8666d07e9f357a0ba1.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\BQROX.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1184 -
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:352
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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:1544 -
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:2696
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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:1640
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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
MD5088a724a47edef2dfb0b14d6248c17e6
SHA1cc79768321d60926581b9a1d19c459e9ea832331
SHA256fc78008bc7f38154e8d737ed4352bdd893e6a07462ef1bd0eae0411d49309983
SHA5129e58fc8af36a3942d9fd7da15be1afc01ef41a8d02e5ef4383048f51311f0ff37e4342cbda65b515c5576d0236b2936bc3bcc51a158e2cee503c6297c4d7bf91