Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
18-09-2024 16:22
Behavioral task
behavioral1
Sample
76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe
Resource
win10v2004-20240802-en
General
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Target
76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe
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Size
90KB
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MD5
f506e615a70cbcdf2e4968b5d6c61d70
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SHA1
8f74818cdee5fc6393e46e88f9de046c44682cff
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SHA256
76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9c
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SHA512
b68f253d50c9033dd3b8fd4854ada7aa78fa7cbb846f22c89aea2c24c9c114df235ad5440ef212103442c145d46bf6382dd1684b4995c5b75853f94297963469
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
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/2176-258-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/2176-265-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 756 csrsll.exe 1780 csrsll.exe 2176 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2628 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 2628 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 2628 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 2628 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 2628 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe -
resource yara_rule behavioral1/memory/2668-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2668-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2668-87-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2668-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2668-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2668-78-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2668-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2628-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2628-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2628-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2668-102-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2628-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2628-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2628-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000d000000012281-136.dat upx behavioral1/memory/2628-138-0x00000000032A0000-0x00000000032F3000-memory.dmp upx behavioral1/memory/756-155-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2628-158-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2628-159-0x00000000032A0000-0x00000000032F3000-memory.dmp upx behavioral1/memory/756-220-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/756-259-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2176-258-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1780-257-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2628-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2176-265-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1780-264-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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 2668 set thread context of 2628 2668 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 30 PID 756 set thread context of 1780 756 csrsll.exe 36 PID 756 set thread context of 2176 756 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 reg.exe 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 csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe Token: SeDebugPrivilege 1780 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2668 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 2628 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 756 csrsll.exe 1780 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2668 wrote to memory of 2628 2668 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 30 PID 2668 wrote to memory of 2628 2668 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 30 PID 2668 wrote to memory of 2628 2668 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 30 PID 2668 wrote to memory of 2628 2668 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 30 PID 2668 wrote to memory of 2628 2668 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 30 PID 2668 wrote to memory of 2628 2668 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 30 PID 2668 wrote to memory of 2628 2668 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 30 PID 2668 wrote to memory of 2628 2668 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 30 PID 2628 wrote to memory of 1344 2628 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 31 PID 2628 wrote to memory of 1344 2628 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 31 PID 2628 wrote to memory of 1344 2628 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 31 PID 2628 wrote to memory of 1344 2628 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 31 PID 1344 wrote to memory of 2688 1344 cmd.exe 33 PID 1344 wrote to memory of 2688 1344 cmd.exe 33 PID 1344 wrote to memory of 2688 1344 cmd.exe 33 PID 1344 wrote to memory of 2688 1344 cmd.exe 33 PID 2628 wrote to memory of 756 2628 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 34 PID 2628 wrote to memory of 756 2628 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 34 PID 2628 wrote to memory of 756 2628 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 34 PID 2628 wrote to memory of 756 2628 76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe 34 PID 756 wrote to memory of 1780 756 csrsll.exe 36 PID 756 wrote to memory of 1780 756 csrsll.exe 36 PID 756 wrote to memory of 1780 756 csrsll.exe 36 PID 756 wrote to memory of 1780 756 csrsll.exe 36 PID 756 wrote to memory of 1780 756 csrsll.exe 36 PID 756 wrote to memory of 1780 756 csrsll.exe 36 PID 756 wrote to memory of 1780 756 csrsll.exe 36 PID 756 wrote to memory of 1780 756 csrsll.exe 36 PID 756 wrote to memory of 2176 756 csrsll.exe 37 PID 756 wrote to memory of 2176 756 csrsll.exe 37 PID 756 wrote to memory of 2176 756 csrsll.exe 37 PID 756 wrote to memory of 2176 756 csrsll.exe 37 PID 756 wrote to memory of 2176 756 csrsll.exe 37 PID 756 wrote to memory of 2176 756 csrsll.exe 37 PID 756 wrote to memory of 2176 756 csrsll.exe 37 PID 756 wrote to memory of 2176 756 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe"C:\Users\Admin\AppData\Local\Temp\76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2668 -
C:\Users\Admin\AppData\Local\Temp\76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe"C:\Users\Admin\AppData\Local\Temp\76ffb7624ec9c11cf2f169792d06c737c5124e53855133329d3908d33498ea9cN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\TBCNU.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1344 -
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:2688
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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:756 -
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:1780
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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:2176
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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
MD59452ed23f3d90f99d1cf337d4d4af6e9
SHA152e6448d107d91968b07cc2ee0633030f1a62e5b
SHA2566171bae64c029fa1b4b5c17455709279f7e71083e7f76898f35a1eef562ed808
SHA512929c7065828b24f180925d16a39c037037c2e9771beba6b17ac103424527593e02db6a02d86c3df44608d8f6122126a76dc558a35ffcecec6890556dc386702e