Analysis
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max time kernel
120s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-12-2024 13:45
Behavioral task
behavioral1
Sample
919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe
Resource
win10v2004-20241007-en
General
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Target
919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe
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Size
90KB
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MD5
5931d20f99c8f962078c737ef0a5a6e0
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SHA1
d5ce3506b90f9302c0ac47cac74e1a906c747cf0
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SHA256
919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57
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SHA512
c982ec2e978b6b28edd9447151e4c81a4e3ff80758e5913614d0fb044f3ad400c69d2f3c709700052422ddde0fae2dce1b51b53cba89522aaeef5cf18856d3b3
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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 family
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ModiLoader Second Stage 1 IoCs
resource yara_rule behavioral1/memory/700-267-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1244 csrsll.exe 1324 csrsll.exe 700 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2976 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 2976 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 2976 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 2976 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 2976 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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 3036 set thread context of 2976 3036 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 30 PID 1244 set thread context of 1324 1244 csrsll.exe 35 PID 1244 set thread context of 700 1244 csrsll.exe 36 -
resource yara_rule behavioral1/memory/3036-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3036-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3036-86-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2976-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2976-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3036-102-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2976-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2976-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3036-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3036-78-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2976-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2976-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000b00000001225d-134.dat upx behavioral1/memory/2976-146-0x0000000003170000-0x00000000031C3000-memory.dmp upx behavioral1/memory/1244-152-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2976-155-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1244-227-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1324-251-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/700-255-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2976-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1244-257-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1324-264-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/700-267-0x0000000000400000-0x0000000000414000-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 csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3036 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 2976 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 1244 csrsll.exe 1324 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3036 wrote to memory of 2976 3036 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 30 PID 3036 wrote to memory of 2976 3036 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 30 PID 3036 wrote to memory of 2976 3036 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 30 PID 3036 wrote to memory of 2976 3036 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 30 PID 3036 wrote to memory of 2976 3036 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 30 PID 3036 wrote to memory of 2976 3036 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 30 PID 3036 wrote to memory of 2976 3036 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 30 PID 3036 wrote to memory of 2976 3036 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 30 PID 2976 wrote to memory of 2172 2976 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 31 PID 2976 wrote to memory of 2172 2976 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 31 PID 2976 wrote to memory of 2172 2976 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 31 PID 2976 wrote to memory of 2172 2976 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 31 PID 2172 wrote to memory of 2032 2172 cmd.exe 33 PID 2172 wrote to memory of 2032 2172 cmd.exe 33 PID 2172 wrote to memory of 2032 2172 cmd.exe 33 PID 2172 wrote to memory of 2032 2172 cmd.exe 33 PID 2976 wrote to memory of 1244 2976 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 34 PID 2976 wrote to memory of 1244 2976 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 34 PID 2976 wrote to memory of 1244 2976 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 34 PID 2976 wrote to memory of 1244 2976 919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe 34 PID 1244 wrote to memory of 1324 1244 csrsll.exe 35 PID 1244 wrote to memory of 1324 1244 csrsll.exe 35 PID 1244 wrote to memory of 1324 1244 csrsll.exe 35 PID 1244 wrote to memory of 1324 1244 csrsll.exe 35 PID 1244 wrote to memory of 1324 1244 csrsll.exe 35 PID 1244 wrote to memory of 1324 1244 csrsll.exe 35 PID 1244 wrote to memory of 1324 1244 csrsll.exe 35 PID 1244 wrote to memory of 1324 1244 csrsll.exe 35 PID 1244 wrote to memory of 700 1244 csrsll.exe 36 PID 1244 wrote to memory of 700 1244 csrsll.exe 36 PID 1244 wrote to memory of 700 1244 csrsll.exe 36 PID 1244 wrote to memory of 700 1244 csrsll.exe 36 PID 1244 wrote to memory of 700 1244 csrsll.exe 36 PID 1244 wrote to memory of 700 1244 csrsll.exe 36 PID 1244 wrote to memory of 700 1244 csrsll.exe 36 PID 1244 wrote to memory of 700 1244 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe"C:\Users\Admin\AppData\Local\Temp\919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Users\Admin\AppData\Local\Temp\919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe"C:\Users\Admin\AppData\Local\Temp\919aaf802036e5dfb2faacf23fba05d2742ef33cd01b90f475909fce597cae57N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2976 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\KSJTP.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172 -
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:2032
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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:1244 -
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:1324
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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:700
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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
MD5d42a80a4cf9a0ddcb3490ffca9a067b7
SHA1a020ff86e38eab2a21f1be719c988bb075dd9c3e
SHA256465eb554354d1cc91934b85342a80be15f519e36ee8608d397003fcb9b9ec6e5
SHA5122f8c3ac2fac98e36a05aff9ba6600888a4952cdaae9307fb5c2a1a4ce1acc956c93cdaefc6534c0cf19c57b6aeaf71ba5a16f675e38499cbb2af0ab0f5725706