Analysis
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max time kernel
150s -
max time network
29s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28-09-2024 20:34
Behavioral task
behavioral1
Sample
37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe
Resource
win10v2004-20240802-en
General
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Target
37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe
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Size
90KB
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MD5
663aef77287fe7c6a2b6d91b6e03825a
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SHA1
72ffdf386392292c71d1efd98951616672c6a2fd
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SHA256
37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d
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SHA512
4e670edcb42dbd284b7fc0b692e68d93870d60607964e3d3e0ca8e162340fa22ddfaebf2098db2e8ba11a43d730eadd8345b4c98d5cfc5fc3b6b88a72ea31cde
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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 1 IoCs
resource yara_rule behavioral1/memory/928-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1152 csrsll.exe 336 csrsll.exe 928 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2028 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 2028 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 2028 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 2028 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 2028 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\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 2888 set thread context of 2028 2888 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 29 PID 1152 set thread context of 336 1152 csrsll.exe 34 PID 1152 set thread context of 928 1152 csrsll.exe 35 -
resource yara_rule behavioral1/memory/2888-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2888-3-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2888-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2888-107-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2028-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2028-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2028-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2028-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2888-94-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2888-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2888-76-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2028-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2888-57-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2028-112-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2028-111-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2888-38-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x0029000000018682-137.dat upx behavioral1/memory/2028-151-0x0000000002A30000-0x0000000002A83000-memory.dmp upx behavioral1/memory/1152-156-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2028-159-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1152-222-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1152-223-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2028-264-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/928-262-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1152-261-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/336-265-0x0000000000400000-0x000000000040B000-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 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe Token: SeDebugPrivilege 336 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2888 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 2028 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 1152 csrsll.exe 336 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2888 wrote to memory of 2028 2888 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 29 PID 2888 wrote to memory of 2028 2888 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 29 PID 2888 wrote to memory of 2028 2888 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 29 PID 2888 wrote to memory of 2028 2888 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 29 PID 2888 wrote to memory of 2028 2888 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 29 PID 2888 wrote to memory of 2028 2888 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 29 PID 2888 wrote to memory of 2028 2888 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 29 PID 2888 wrote to memory of 2028 2888 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 29 PID 2028 wrote to memory of 2344 2028 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 30 PID 2028 wrote to memory of 2344 2028 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 30 PID 2028 wrote to memory of 2344 2028 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 30 PID 2028 wrote to memory of 2344 2028 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 30 PID 2344 wrote to memory of 2180 2344 cmd.exe 32 PID 2344 wrote to memory of 2180 2344 cmd.exe 32 PID 2344 wrote to memory of 2180 2344 cmd.exe 32 PID 2344 wrote to memory of 2180 2344 cmd.exe 32 PID 2028 wrote to memory of 1152 2028 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 33 PID 2028 wrote to memory of 1152 2028 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 33 PID 2028 wrote to memory of 1152 2028 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 33 PID 2028 wrote to memory of 1152 2028 37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe 33 PID 1152 wrote to memory of 336 1152 csrsll.exe 34 PID 1152 wrote to memory of 336 1152 csrsll.exe 34 PID 1152 wrote to memory of 336 1152 csrsll.exe 34 PID 1152 wrote to memory of 336 1152 csrsll.exe 34 PID 1152 wrote to memory of 336 1152 csrsll.exe 34 PID 1152 wrote to memory of 336 1152 csrsll.exe 34 PID 1152 wrote to memory of 336 1152 csrsll.exe 34 PID 1152 wrote to memory of 336 1152 csrsll.exe 34 PID 1152 wrote to memory of 928 1152 csrsll.exe 35 PID 1152 wrote to memory of 928 1152 csrsll.exe 35 PID 1152 wrote to memory of 928 1152 csrsll.exe 35 PID 1152 wrote to memory of 928 1152 csrsll.exe 35 PID 1152 wrote to memory of 928 1152 csrsll.exe 35 PID 1152 wrote to memory of 928 1152 csrsll.exe 35 PID 1152 wrote to memory of 928 1152 csrsll.exe 35 PID 1152 wrote to memory of 928 1152 csrsll.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe"C:\Users\Admin\AppData\Local\Temp\37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Users\Admin\AppData\Local\Temp\37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe"C:\Users\Admin\AppData\Local\Temp\37c245c9a3acb75e56df09c6e6d508e47a3af781d93b3e69010067ba8283c51d.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\RQDLC.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2344 -
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:2180
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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:1152 -
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:336
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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:928
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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
MD594724c11238185ee447b4d725c3dd186
SHA1563419676a938fa9ac0e2cc6a8cbca9ba033ada5
SHA256cef9cd8b086b17deb3d2a031214573df5705476dbe0d286d6b1d9faa84e74918
SHA512cd9623882efdaf9aeb842588f66d552544c6abd09a0f40e47a6d9a99fed9501a66cebfbf40d221f666347d7f4d567bdc7e6d7b7157d67bcce1769ab8825304f2